CN106026722B - A kind of rectification circuit and the superfrequency label with the rectification circuit - Google Patents

A kind of rectification circuit and the superfrequency label with the rectification circuit Download PDF

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Publication number
CN106026722B
CN106026722B CN201610493679.1A CN201610493679A CN106026722B CN 106026722 B CN106026722 B CN 106026722B CN 201610493679 A CN201610493679 A CN 201610493679A CN 106026722 B CN106026722 B CN 106026722B
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China
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circuit
voltage
charge pump
output
rectification circuit
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CN201610493679.1A
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CN106026722A (en
Inventor
杜鹏程
郄利波
胡毅
王于波
何洋
赵东艳
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State Grid Corp of China SGCC
State Grid Information and Telecommunication Co Ltd
Beijing Smartchip Microelectronics Technology Co Ltd
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State Grid Corp of China SGCC
State Grid Information and Telecommunication Co Ltd
Beijing Smartchip Microelectronics Technology Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Information and Telecommunication Co Ltd, Beijing Smartchip Microelectronics Technology Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610493679.1A priority Critical patent/CN106026722B/en
Publication of CN106026722A publication Critical patent/CN106026722A/en
Priority to BR112018077441-3A priority patent/BR112018077441B1/en
Priority to PCT/CN2016/107160 priority patent/WO2018000703A1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M7/25—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only arranged for operation in series, e.g. for multiplication of voltage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention relates to a kind of rectification circuit and the superfrequency label with the rectification circuit, including multi stage charge pump, the rectification circuit include：High-voltage output terminal, the high-voltage output terminal are the output end of the charge pump of the first predetermined series in the multi stage charge pump；And low-voltage output end, the low-voltage output end are the output end of the charge pump of the second predetermined series in the multi stage charge pump.The present invention takes full advantage of the higher characteristic of the fewer efficiency of charge pump series, the output voltage node of rectifier is adjusted to provide high-voltage output terminal and low-voltage output end, the high-voltage output terminal and low-voltage output end may be respectively used for different module for power supply, realizing the effect for improving rectification circuit efficiency.

Description

A kind of rectification circuit and the superfrequency label with the rectification circuit
Technical field
The invention belongs to IC design field, is related to a kind of rectification circuit and the extra-high frequency marking with rectification circuit Label.
Background technology
At present, 900MHz superfrequency (English：Ultra High Frequency, abbreviation：UHF) development of label is fast Speed, receiving sensitivity is already close to -20dBm (Chinese：Decibel milli).The higher explanation receiving sensitivity of absolute value of power is higher. The receiving sensitivity for improving circuit requires that label realizes the low power dissipation design of analogy and digital circuit：The quiescent dissipation of analog circuit Need constantly to cut down；Operating voltage is constantly reduced while the power consumption abatement of digital circuit and reduces the clock frequency of system. These are all the measures of throttling, but because rectification (abbreviation：RECT) circuit is inefficient, leads to not increase income, and this is still The receiving sensitivity requirement improved constantly now can not be met.Therefore, in order to improve the sensitivity of UHF labels, how to improve whole The efficiency for flowing device is problems of the prior art.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
Technical problem
In view of this, the technical problem to be solved in the present invention is how to provide a kind of rectification circuit and have a rectification circuit UHF labels can improve the efficiency of rectification circuit, and further improve UHF labels by improving the efficiency of rectification circuit Receiving sensitivity.
Solution
To solve above technical problem, the present invention provides a kind of rectification circuit, including multi stage charge pump in first aspect；
High-voltage output terminal, the high-voltage output terminal are the charge pump of the first predetermined series in the multi stage charge pump Output end；And
Low-voltage output end, the low-voltage output end are the charge pump of the second predetermined series in the multi stage charge pump Output end.
In a kind of possible implementation, the second predetermined series is less than the described first predetermined series, and described First predetermined series is less than or equal to total series of the charge pump.
In a kind of possible implementation, the output voltage of the high-voltage output terminal is higher than the low-voltage output end Output voltage.
The present invention provides a kind of superfrequency label with rectification circuit in second aspect, including：
According to the rectification circuit any one of above the first aspect of the present invention；
Electrostatic discharge circuit, it is connected with the rectification circuit, modulation circuit and demodulator circuit, the electrostatic discharge circuit is defeated Inputs of the radio-frequency voltage VRF gone out as the rectification circuit, the modulation circuit and the demodulator circuit；
The high-voltage output terminal of the rectification circuit is connected with current-limiting circuit, and the direct current of the high-voltage output terminal output is high Inputs of the voltage VDDH_RECT as the current-limiting circuit；
The low-voltage output end of the rectification circuit is connected with mu balanced circuit and reset circuit, and the low-voltage output end is defeated Inputs of the DC low-voltage VDD_RECT gone out as the mu balanced circuit and the reset circuit.
In a kind of possible implementation, the rectification circuit includes multi stage charge pump, the rectification circuit output DC high voltage VDDH_RECT is the output voltage of the first predetermined series in the multi stage charge pump, and the rectification circuit is defeated The DC low-voltage VDD_RECT gone out is the output voltage of the second predetermined series in the multi stage charge pump, and described second is predetermined Series is less than the described first predetermined series, and the first predetermined series is less than or equal to total series of the charge pump.
In a kind of possible implementation, described superfrequency label, in addition to：
The current-limiting circuit, it is connected with reference circuit and multi-path transmission circuit, the voltage of the current-limiting circuit output Inputs of the VDDH as the reference circuit and the multi-path transmission circuit.
In a kind of possible implementation, described superfrequency label, in addition to：
The mu balanced circuit, it is connected with clock circuit, random number circuit, Zone bit circuit and digital circuit, the voltage stabilizing The voltage VDD of circuit output is as the clock circuit, the random number circuit, the Zone bit circuit and the digital circuit Input.
In a kind of possible implementation, the peak absolute value of the VRF is less than or equal to diode threshold voltage.
In a kind of possible implementation, the peak absolute value of the VRF is less than or equal to 0.7V；The peak value of the VDD Absolute value is more than or equal to 0.7V；The VDDH, the peak absolute value of the VDDH_RECT are less than or equal to 2V；The VDD_RECT More than 0.7V and it is less than 2V.
Beneficial effect
A kind of rectification circuit provided by the invention, including multi stage charge pump, by setting high-voltage output terminal, the high electricity Press the output end that output end is the charge pump of the first predetermined series in the multi stage charge pump；And low-voltage output end, it is described Low-voltage output end is the output end of the charge pump of the second predetermined series in the multi stage charge pump, the high-voltage output terminal and low Voltage output end may be respectively used for different module for power supply, taking full advantage of the higher spy of the fewer efficiency of charge pump series Property, it is possible to increase the effect of rectification circuit efficiency.
A kind of superfrequency label with the rectification circuit provided by the invention, rectification circuit, modulation electricity are used as by VRF Road and the input of demodulator circuit, inputs of the VDDH_RECT as current-limiting circuit, VDD_RECT is as mu balanced circuit and reset circuit Input, according to the different electrical power voltage requirements of different loads module, adjust UHF frameworks, configured in rectification not at the same level In device output, reasonable disposition voltage, rectifier efficiency and UHG sensitivity are improved.
A kind of superfrequency label with the rectification circuit provided by the invention, by VDDH be used as the reference circuit and The input of the multi-path transmission circuit, VDD as the clock circuit, the random number circuit, the Zone bit circuit and The input of the digital circuit, according to the different electrical power voltage requirements of different loads module, UHF frameworks are adjusted, are configured In rectifier output not at the same level, reasonable disposition voltage, rectifier efficiency and UHG sensitivity are improved.
According to below with reference to the accompanying drawings becoming to detailed description of illustrative embodiments, further feature of the invention and aspect It is clear.
Brief description of the drawings
Comprising in the description and the accompanying drawing of a part for constitution instruction and specification together illustrate the present invention's Exemplary embodiment, feature and aspect, and for explaining the principle of the present invention.
Fig. 1 shows the N level Dickson charge pump RECT structures more commonly used；
Fig. 2 shows the circuit diagram of the multi-stage rectifying circuit of metal-oxide-semiconductor；
Fig. 3 shows the power supply structure of current UHF labels；
Fig. 4 shows the analysis circuit schematic diagram of current UHF labels；
Fig. 5 shows a kind of structural representation of rectification circuit provided in an embodiment of the present invention；
Fig. 6 shows a kind of schematic diagram of UHF labels with rectification circuit provided in an embodiment of the present invention；
Fig. 7 shows the power output comparison diagram of the embodiment of the present invention and prior art.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield scope is not limited by embodiment.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Unless Separately have it is other explicitly indicate that, otherwise in entire disclosure and claims, term " comprising " or its conversion such as "comprising" or " including " etc. will be understood to comprise stated element or part, and not exclude other elements or other compositions Part.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the present invention, numerous details is given in embodiment below. It will be appreciated by those skilled in the art that without some details, the present invention can equally be implemented.In some instances, for Method well known to those skilled in the art, means, element are not described in detail, in order to highlight the purport of the present invention.
Embodiment 1
Key modules of the rectification circuit as whole UHF, main effect are to form impedance matching with antenna, obtain to the greatest extent may be used The big energy of energy is supplied to follow-up load.Its principle is that the sine voltage signal by a small margin on antenna is converted into the same of direct current When, amplitude is subjected to boosting conversion by charge pump, obtains the suitable magnitude of voltage of load.Its Key Performance Indicator is imitated including rectification Reduce the consumption of itself as far as possible while rate, i.e. rectifier boost.In the case where load is constant, the efficiency energy of rectification circuit is improved Enough effectively improve the receiving sensitivity of UHF labels.
Fig. 1 shows the N level Dickson charge pump RECT structures more commonly used.Current essentially all of UHF labels RECT is to use this structure or the optimization modification in this structure.
The efficiency value of whole circuit can be simply expressed as：
But the factor for wherein influenceing efficiency value is a lot, such as the series of charge pump, technological parameter, diode component threshold value (or MOS device threshold value), load current, input voltage amplitude etc..Wherein, the content directly related with rectification circuit design is The use of rectification circuit device itself and the series of rectification circuit.
According to formula (1), modification can obtain：
Wherein, Pd is every grade of power consumption, so in the case where input power is constant, reduces the series of rectification circuit It is to improve the key of rectification efficiency with every grade of power consumption of reduction.
Traditional Dickson rectification circuits are all but the diode as rectification circuit part using Schottky diode There is threshold value loss, it is inefficient.So currently many modifications are carried out for Dickson rectification circuit.There is intrinsic crystal Pipe native MOS, NMOS (English：N-Metal-Oxide-Semiconductor) transistor, PMOS (English：P-Metal Oxide Semiconductor) transistor etc..
Fig. 2 shows the circuit diagram of the multi-stage rectifying circuit of metal-oxide-semiconductor.Fig. 3 shows the power supply structure of current UHF labels.
As shown in figure 3, VRF is by static discharge (English：Electro-Static discharge, abbreviation：ESD it is) electric Radio-frequency voltage behind road, it is as rectification (abbreviation：RECT), modulation (abbreviation：MOD) (abridged with demodulation：DEM) circuit is defeated Enter, due to ESD presence, VRF peak absolute value is no more than diode threshold, about 0.7V.
VRECT is the dc source of rectification output, and it is only used as current limliting (abbreviation：LIM) the input of circuit, due to current limliting electricity Road is present, and VRECT peak values are about 2V.
VDDH exports for current-limiting circuit, (is abridged as resetting：PDR) (abridged with voltage stabilizing：REG) the input of circuit, its electricity Pressure is similar with VRECT, and peak value is about 2V.
VDD exports for mu balanced circuit, as benchmark (REF), clock (OSC), random number (RNG) and flag bit (FLAG) electricity The input on road, its voltage are about 1V.
As shown in Figure 3, it is assumed that input power is identical, and the load current that aerial network is matched and exported completely is identical, will ESD, RECT, LIM regard an entirety as, can obtain exporting energy and the ratio of input energy, i.e. rectification efficiency.
Fig. 4 shows the analysis circuit schematic diagram of current UHF labels, using the analysis circuit, analyzes different rectification circuit devices Part includes native MOS, NMOS (English：N-Metal-Oxide-Semiconductor) transistor, PMOS (English：P- Metal Oxide Semiconductor) transistor, the influence of Schottky diode schottky and series for efficiency can To obtain the data of table 1.
Series Schottky nativeMOS NMOS PMOS
2 52% 60% 55% 45%
3 46% 56% 35% 22%
4 36% 49% 14% 1%
5 25% 40% 3% 0
Table 1
It was found from the analysis of table 1：The rectification efficiency that different rectifying devices obtains is different, it is most important that when series increase When, the efficiency of rectification circuit is constantly declining.
As shown in figure 4, all load blocks are all directly connected to the output of reorganizer, then the output electricity of rectification circuit Pressure will be that source voltage requirements are maximum in all load blocks, and which increase the energy expenditure of load, efficiency declines.
In addition, rectification circuit is multi-stage cascade, it was found from the data analysis in table 1 before, the series of cascade is more, rectification Circuit efficiency will decline.
Fig. 5 shows a kind of structural representation of rectification circuit provided in an embodiment of the present invention, as illustrated, the rectification circuit Including multi stage charge pump, and including：High-voltage output terminal and low-voltage output end.
High-voltage output terminal, the high-voltage output terminal are the charge pump of the first predetermined series in the multi stage charge pump Output end, for providing DC high voltage VDDH_RECT, and low-voltage output end, the low-voltage output end is described more The output end of the charge pump of the second predetermined series is used to provide DC low-voltage VDD_RECT, DC high voltage in level charge pump VDDH_RECT is more than DC low-voltage VDD_RECT.
The second predetermined series is less than the described first predetermined series, and the first predetermined series is less than or equal to whole Total series of charge pump in current circuit.Using the second predetermined series as 3 in Fig. 5, the first predetermined series is that total series of charge pump is Example illustrates, and in the example of hgure 5, high-voltage output terminal is the output end of rectification afterbody, for providing direct current high electricity Press VDDH_RECT；And low-voltage output end is used to provide DC low-voltage VDD_RECT for the output end of the third level.
The embodiment of the present invention has recognized the characteristic that the fewer efficiency of charge pump series is higher in rectifier, and takes full advantage of The characteristic, the output voltage node of rectifier is adjusted to provide high-voltage output terminal and low-voltage output end, high voltage output End and low-voltage output end may be respectively used for different module for power supply, realizing the effect for improving rectification circuit efficiency.
Embodiment 2
Fig. 6 shows a kind of UHF labels with rectification circuit provided in an embodiment of the present invention, as shown in fig. 6, the UHF is marked Label include：RECT circuits 11, ESD circuit 12, MOD circuits 13, DEM circuits 14, LIM circuits 15, REG circuits 16, PDR circuits 17th, REF circuits 18 and MTP circuits 19, OSC circuits 21, RNG circuits 22, FLAG circuits 23 and DIGITAL circuits 24.
RECT circuits 11 are the RECT circuits provided according to the embodiment of the present invention 1.RECT circuits can be used under reception The radiofrequency signal come is converted into required commutating voltage.
ESD circuit 12, it is connected with RECT circuits 11, MOD circuits 13 and DEM circuits 14, the radio frequency electrical that ESD circuit 12 exports Press inputs of the VRF as RECT circuits 11, MOD circuits 13 and DEM circuits 14.The number that DEM circuits 14 will carry in radio-frequency voltage According to the manageable demodulating data of digital display circuit is reverted to, MOD circuits 13 are modulated to the data in digital display circuit, pass through day Line end port transmission signal.
The high-voltage output terminal of RECT circuits 11 is connected the high-voltage output terminal output of RECT circuits 11 with LIM circuits 15 Inputs of the DC high voltage VDDH_RECT as the LIM circuits 15.The low-voltage output end of RECT circuits 11 and voltage stabilizing REG Circuit 16 and reset PDR circuits 17 connect, and the DC low-voltage VDD_RECT of the low-voltage output end output of RECT circuits 11 makees For the input of REG circuits 16 and PDR circuits 17.REG circuits 16 are to carry out voltage stabilizing to commutating voltage, and work electricity is provided for label Pressure, PDR circuits 17 provide required reset signal for digital display circuit, and carry out lower electro-detection to VDD_RECT and VDDH voltages, Ensure that circuit is operated in the range of the voltage of minimum.
RECT circuits 11 include multi stage charge pump, and the DC high voltage VDDH_RECT that RECT circuits 11 export is described more The output voltage of the first predetermined series in level charge pump, the DC low-voltage VDD_RECT that RECT circuits 11 export are described more The output voltage of the second predetermined series in level charge pump, the second predetermined series are less than the described first predetermined series, and The first predetermined series is less than or equal to total series of the charge pump.With reference to shown in Fig. 5, using the second predetermined series as 3, the To be illustrated exemplified by total series of charge pump, the output voltage of rectifier is not limited to only in the third level and most one predetermined series Rear stage exports, and can be drawn according to the difference of load voltage between other levels for giving other module for power supply.
LIM circuits 15, it is connected with benchmark REF circuits 18 and multi-path transmission MTP circuits 19, the electricity that LIM circuits 15 export Press inputs of the VDDH as the REF circuits 18 and the MTP circuits 19.
The REG circuits 16, with clock OSC circuits 21, random number R NG circuits 22, flag bit FLAG circuits 23 and numeral DIGITAL circuits 24 connect, the voltage VDD that the REG circuits 16 export as the OSC circuits 21, the RNG circuits 22, The input of FLAG circuits 23 and DIGITAL circuits 24.OSC circuits 21 provide stable clock signal for digital display circuit,
Wherein, VRF peak absolute value is less than or equal to diode threshold voltage, and VRF peak absolute value is less than or equal to 0.7V, VDD peak absolute value are more than or equal to 0.7V, and VDDH, VDDH_RECT peak absolute value are less than or equal to 2V, VDD_RECT is more than 0.7V and is less than 2V.
Fig. 7 shows the power output comparison diagram of the embodiment of the present invention and prior art, as shown in fig. 7, by ESD, RECT, LIM regards an entirety as, it is assumed that input power is identical, and aerial network matches completely, analyzes the rectification efficiency of overall architecture.
From figure 7 it can be seen that with the increase of load current, the overall output power of the embodiment of the present invention improves.So It assume that when load current is constant, Fig. 6 of the present invention input power can be lower than the structure of Fig. 4 before more, then Just improve the efficiency and activating sensitivity of UHF labels.
The efficiency that prior art (Fig. 4) improves rectifier RECT must be deepened in the structure of rectification circuit, or Improved in technique.But circuit structure state of the art has finalized the design almost, it is difficult to improve a lot, and technique changes It is kind to need technique factory to optimize, and circuit design greatly differs from each other, and is not that can be easy to put forward efficient method.
The embodiment of the present invention has been recognized the characteristic that the fewer efficiency of charge pump series is higher in rectifier and taken full advantage of The characteristic, the output voltage node of rectifier is adjusted, respectively to different module for power supply, realize and improve rectification circuit efficiency Effect.
Prior art (Fig. 4) do not have consider disparate modules for supply voltage demand difference the characteristics of, will be all The voltage of load is unified, wastes power consumption, reduces the efficiency of rectifier.The embodiment of the present invention is according to the difference of different loads module Source voltage requirements, UHF frameworks are adjusted, configure on rectifier not at the same level exports, reasonable disposition voltage, improved The sensitivity of rectifier efficiency and UHG.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can To be or may not be physically separate, it can be as the part that unit is shown or may not be physics list Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness Work in the case of, you can to understand and implement.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more The shape for the computer program product that usable storage medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.) Formula.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (8)

  1. A kind of 1. superfrequency label with rectification circuit, it is characterised in that including：
    Rectification circuit, the rectification circuit include：
    Multi stage charge pump；
    High-voltage output terminal, the high-voltage output terminal are the output of the charge pump of the first predetermined series in the multi stage charge pump End；And
    Low-voltage output end, the low-voltage output end are the output of the charge pump of the second predetermined series in the multi stage charge pump End；
    Electrostatic discharge circuit, it is connected with the rectification circuit, modulation circuit and demodulator circuit, the electrostatic discharge circuit output Inputs of the radio-frequency voltage VRF as the rectification circuit, the modulation circuit and the demodulator circuit；
    The high-voltage output terminal of the rectification circuit is connected with current-limiting circuit, the DC high voltage of the high-voltage output terminal output Inputs of the VDDH_RECT as the current-limiting circuit；
    The low-voltage output end of the rectification circuit is connected with mu balanced circuit and reset circuit, the low-voltage output end output Inputs of the DC low-voltage VDD_RECT as the mu balanced circuit and the reset circuit.
  2. 2. superfrequency label according to claim 1, it is characterised in that it is pre- that the second predetermined series is less than described first Deciding grade and level number, and the first predetermined series is less than or equal to total series of the charge pump.
  3. 3. superfrequency label according to claim 2, it is characterised in that the output voltage of the high-voltage output terminal is higher than The output voltage at the low-voltage output end.
  4. 4. superfrequency label according to claim 1, it is characterised in that the rectification circuit includes multi stage charge pump, institute The DC high voltage VDDH_RECT for stating rectification circuit output is the output electricity of the first predetermined series in the multi stage charge pump Pressure, the DC low-voltage VDD_RECT of the rectification circuit output is the output of the second predetermined series in the multi stage charge pump Voltage, the second predetermined series is less than the described first predetermined series, and the first predetermined series is less than or equal to described Total series of charge pump.
  5. 5. the superfrequency label according to claim 1 or 4, it is characterised in that also include：
    The current-limiting circuit, it is connected with reference circuit and multi-path transmission circuit, the voltage VDDH of the current-limiting circuit output makees For the input of the reference circuit and the multi-path transmission circuit.
  6. 6. superfrequency label according to claim 5, it is characterised in that also include：
    The mu balanced circuit, it is connected with clock circuit, random number circuit, Zone bit circuit and digital circuit, the mu balanced circuit The voltage VDD of output is defeated as the clock circuit, the random number circuit, the Zone bit circuit and the digital circuit Enter.
  7. 7. superfrequency label according to claim 6, it is characterised in that the peak absolute value of the VRF is less than or equal to two Pole pipe threshold voltage.
  8. 8. superfrequency label according to claim 7, it is characterised in that the peak absolute value of the VRF is less than or equal to 0.7V；The peak absolute value of the VDD is more than or equal to 0.7V；The VDDH, the VDDH_RECT peak absolute value be less than etc. In 2V；The VDD_RECT is more than 0.7V and is less than 2V.
CN201610493679.1A 2016-06-28 2016-06-28 A kind of rectification circuit and the superfrequency label with the rectification circuit Active CN106026722B (en)

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CN201610493679.1A CN106026722B (en) 2016-06-28 2016-06-28 A kind of rectification circuit and the superfrequency label with the rectification circuit
BR112018077441-3A BR112018077441B1 (en) 2016-06-28 2016-11-24 ULTRA HIGH FREQUENCY (UHF) MARK
PCT/CN2016/107160 WO2018000703A1 (en) 2016-06-28 2016-11-24 Rectifier circuit and uhf tag having said rectifier circuit

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Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN106026722B (en) * 2016-06-28 2018-03-27 北京智芯微电子科技有限公司 A kind of rectification circuit and the superfrequency label with the rectification circuit
JP6332484B1 (en) 2017-01-24 2018-05-30 オムロン株式会社 Tag circuit
CN106849711A (en) * 2017-03-13 2017-06-13 北京工业大学 A kind of dual output rectification circuit suitable for the passive UHF chips of human body implantation type
TWI705427B (en) * 2019-06-20 2020-09-21 友達光電股份有限公司 Display system
CN111464052B (en) * 2020-05-12 2021-04-27 苏州芯达微电子科技有限公司 Novel rectifier circuit for wireless NFC energy collection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105680674A (en) * 2016-04-15 2016-06-15 上海华虹宏力半导体制造有限公司 Transmission circuit and memory circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3019841B1 (en) * 1998-09-30 2000-03-13 日本電気株式会社 High voltage power supply circuit
KR100732277B1 (en) * 2005-05-30 2007-06-25 주식회사 하이닉스반도체 Modulator/demodulator in RFID with non-volatile ferroelectric memory
CN101373524A (en) * 2007-08-20 2009-02-25 天津南大强芯半导体芯片设计有限公司 Radio frequency identification label circuit system structure and working method and application thereof
JP6314459B2 (en) * 2013-12-06 2018-04-25 凸版印刷株式会社 Information recording apparatus and recorded information management method
CN104156757B (en) * 2014-06-25 2017-04-05 赵犁 The passive ultra-high frequency super low-power consumption RFID label chip of embedded temperature sensor
CN104158400A (en) * 2014-07-18 2014-11-19 江苏博纬新能源科技有限公司 Modularized high-pressure power supply circuit
CN204204013U (en) * 2014-12-04 2015-03-11 武汉翔翼科技有限公司 A kind of UHF electronic passenger ticket
CN106026722B (en) * 2016-06-28 2018-03-27 北京智芯微电子科技有限公司 A kind of rectification circuit and the superfrequency label with the rectification circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105680674A (en) * 2016-04-15 2016-06-15 上海华虹宏力半导体制造有限公司 Transmission circuit and memory circuit

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CN106026722A (en) 2016-10-12

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