CN203025643U - Power supply monitoring and sequencing circuit of extensible multi-power system - Google Patents
Power supply monitoring and sequencing circuit of extensible multi-power system Download PDFInfo
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- CN203025643U CN203025643U CN 201320033016 CN201320033016U CN203025643U CN 203025643 U CN203025643 U CN 203025643U CN 201320033016 CN201320033016 CN 201320033016 CN 201320033016 U CN201320033016 U CN 201320033016U CN 203025643 U CN203025643 U CN 203025643U
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Abstract
The embodiment of the utility model discloses a power supply monitoring and sequencing circuit of an extensible multi-power system. The circuit comprises a host machine end, a main control module, a power supply monitoring and sequencing module, a plurality of power supply modules and a main switch circuit module, wherein the power supply monitoring and sequencing module comprises at least one cascaded power supply monitoring and sequencing chip; the host machine end is bidirectionally and electrically connected with the main control module; the main control module is connected with each power supply monitoring and sequencing chip by a clock wire of a serial bus and connected with each power supply monitoring and sequencing chip by a bidirectional data wire of the serial bus; and the first-grade power supply monitoring and sequencing chip is connected with the plurality of power supply modules. By a cascading and feedback connection method, the plurality of voltage monitoring and sequencing chips are combined to the large voltage monitoring and sequencing module, and thus the circuit is extensible.
Description
Technical field
The utility model belongs to power technique fields, relates to especially a kind of expandable type multi-power system power supply monitoring and ranking circuit.
Background technology
Along with the integrated level of Circuits System improves constantly, for carrying chip, plate provide the number of power supply and kind also constantly to increase.The chip of especially a lot of high integration not only needs power supply that the multiple voltage value is provided simultaneously, as 1.8V, and 2.0V, 3.3V and 5.0V, and for the magnitude range of magnitude of voltage and power-on and power-off sequential aspect, strict demand is arranged.So, just seem particularly important for the power management of multi-power system.
Often completed by different modules for monitoring and the sequence of multi-power system at present.Power supply monitoring is completed with the function of voltage monitoring of independent power management chip, the enable signal of each power supply is controlled in the sequence of power supply by programmable chip, the shortcoming of this kind scheme is extremely often can not making quickly of multi-power system appearance reacted, and multi-power system is complicated, reduces the debugging efficiency for this system.
Therefore, for the defects that exists in present prior art, be necessary to study in fact, so that a kind of scheme to be provided, solve the defective that exists in prior art, avoid causing the power-supply system complexity high, the efficiency of management is low.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of expandable type multi-power system power supply monitoring and ranking circuit, connection by cascade and feedback can make synthetic larger voltage monitoring and the order module of multi-disc voltage monitoring and sequence chipset, realized the extensibility of circuit, reduce the power-supply system complexity, improved power management efficiency.
For achieving the above object, the technical solution of the utility model is:
A kind of expandable type multi-power system power supply monitoring and ranking circuit comprise host side, main control module, and power supply monitoring and order module, some power modules and total switch circuit module,
Described power supply monitoring and order module comprise the power supply monitoring of a slice at least of cascade and the chip of sequence, wherein the output pin of total switch circuit module is connected with the enable pin of sequence chip with first order power supply monitoring, the previous stage power supply monitoring is connected with the enable pin of sequence chip with the next stage power supply monitoring with the universal input output GPIO pin of sequence chip, the afterbody power supply monitoring is connected with one of them monitoring input pin of sequence chip with first order power supply monitoring with the GPIO pin of sequence chip
Described host side is electrically connected to described main control module is two-way, and the clock line of described main control module by universal serial bus is connected with the chip that sorts with each described power supply monitoring, and the bidirectional data line by universal serial bus is connected with the chip that sorts with each power supply monitoring;
The one-level power supply monitoring is connected the multiple power supplies module with the sequence chip, the power supply monitoring that the Voltage-output pin of wherein said power module is corresponding with it is connected with the monitoring input pin of sequence chip, and power supply monitoring is connected with the enable signal pin of power module with the output signal pin that enables of the corresponding monitoring of sequence chip rail.
Preferably, described total switch circuit module comprises the pull-up resistor of serial connection, master switch and pull down resistor, and the serial connection terminal of described master switch and pull down resistor is drawn the output pin of described total switch circuit module.
Preferably, the one-level power supply monitoring is connected 6,8 or 12 road power modules with the sequence chip.
Compared with prior art, the utility model can make synthetic larger voltage monitoring and the order module of multi-disc voltage monitoring and sequence chipset by the connection of cascade and feedback, realize the extensibility of circuit, reduced the power-supply system complexity, improved power management efficiency.
Description of drawings
Fig. 1 is the expandable type multi-power system power supply monitoring of the utility model embodiment and the structured flowchart of ranking circuit.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
On the contrary, the utility model contain any by claim definition make on marrow of the present utility model and scope substitute, modification, equivalent method and scheme.Further, in order to make the public, the utility model is had a better understanding, in hereinafter details of the present utility model being described, detailed some specific detail sections of having described.Do not have for a person skilled in the art the description of these detail sections can understand the utility model fully yet.
the utility model embodiment discloses a kind of expandable type multi-power system power supply monitoring and ranking circuit, comprise host side, main control module, power supply monitoring and order module, some power modules and total switch circuit module, power supply monitoring and order module comprise the power supply monitoring of a slice at least of cascade and the chip of sequence, wherein the output pin of total switch circuit module is connected with the enable pin of first order power supply monitoring with the sequence chip, the previous stage power supply monitoring is exported (General Purpose Input/Output with the universal input of sequence chip, GPIO) pin is connected with the enable pin of next stage power supply monitoring with the sequence chip, the afterbody power supply monitoring is connected with one of them monitoring input pin of sequence chip with first order power supply monitoring with the GPIO pin of sequence chip, host side is electrically connected to main control module is two-way, main control module is connected with the sequence chip with each power supply monitoring by the clock line of universal serial bus, bidirectional data line by universal serial bus is connected with the sequence chip with each power supply monitoring, the one-level power supply monitoring is connected the multiple power supplies module with the sequence chip, the power supply monitoring that wherein the Voltage-output pin of power module is corresponding with it is connected with the monitoring input pin of sequence chip, power supply monitoring is connected with the enable signal pin of power module with the output signal pin that enables of the corresponding monitoring of sequence chip rail.
For the structure and the course of work that make the utility model embodiment is more clear, below in conjunction with Fig. 1 and of the present utility model one concrete application example, the utility model is elaborated.
With reference to figure 1, the power supply monitoring of the utility model embodiment and order module have comprised the power supply monitoring and sequence chip A and power supply monitoring and sequence chip B of two-stage cascade.the output pin of total switch circuit module 40 be connected with the enable pin CTRL of the chip A that sorts with the power supply monitoring of sequence chip as first order power supply monitoring, power supply monitoring and the GPIO pin of sequence chip A be also that the afterbody power supply monitoring is connected with the enable pin CTRL of the chip B that sorts with the power supply monitoring of the chip that sorts as next stage power supply monitoring and sequence chip, power supply monitoring is connected with one of them monitoring input pin MONX of sequence chip A with power supply monitoring with the GPIO pin of sequence chip B, host side 10 is electrically connected to main control module 20 is two-way, main control module 10 is connected with the sequence chip with each power supply monitoring by the clock line scl of universal serial bus, bidirectional data line sda by universal serial bus is connected with the sequence chip with each power supply monitoring, the one-level power supply monitoring is connected the multiple power supplies module with the sequence chip, in concrete application example, can select one-level power supply monitoring and sequence chip to drag 6,8 or 12 road power modules.Select the Voltage-output pin power supply monitoring corresponding with it of power module wherein to be connected with the monitoring input pin monX of sequence chip, power supply monitoring is connected with the enable signal pin of power module with the corresponding output signal pin EnableX that enables that monitors rail of sequence chip again.By above connected mode, connection by cascade and feedback can make synthetic larger voltage monitoring and the order module of two voltage monitorings and sequence chipset, realize the extensibility of circuit, reduced the power-supply system complexity, improved power management efficiency.
In concrete application example, total switch circuit module 40 can comprise the pull-up resistor 401 of serial connection, master switch 402 and pull down resistor 403, and the serial connection terminal of master switch 402 and pull down resistor 403 is drawn the output pin of total switch circuit module.
Its specific works process is as follows:
The user generates the configuration data to power supply monitoring and order module on host side, specifically comprise overpressure value and the under-voltage value of each rail power supply are set; The power-on and power-off sequential of each rail power supply is set; Magnitude of voltage is considered as mistake not between overpressure value and under-voltage value the time, when mistake occurs, according to the whole lower electricity of default lower electricity order; The upper level GPIO pin that is used for cascade is arranged to normal rear the powering on of next stage power supply that start of all or part of power supply output; Rear one-level GPIO pin is connected to a certain rail of the monitoring voltage of previous stage, like this, the upper level power supply monitoring just can obtain next stage power supply monitoring and the current power-on and power-off status information of sequence chip with the sequence chip, has realized the flexible power-on and power-off sequential control of total system power supply.Main control module carries out clock synchronous by clock line and the power supply monitoring of universal serial bus and the chip that sorts, bidirectional data line by universal serial bus passes with host side the register value that the configuration data of coming converts power supply monitoring and sequence chip to, and the magnitude of voltage that reads in real time power supply monitoring uploads to host side and shows.According to the core number in power supply monitoring and order module, can expand many universal serial bus.
Power supply monitoring is connected with total switch circuit with the enable pin CTRL of sequence chip A, and when master switch was connected, the CTRL high level enabled, power supply monitoring and sequence chip operation.The monitoring input pin monX of the Voltage-output of power module and chip is connected, and the output signal that enables of the corresponding monitoring of chip rail is connected with the enable signal of power module.Power supply monitoring is connected with the enable pin CTRL of power supply monitoring with sequence chip B with the GPIO pin of sequence chip A, by the logical circuit in GPIO is set, realize that power supply monitoring and powering on of sequence chip B are subjected to the control of power supply monitoring and each rail supply voltage state of sequence chip A, realize cascade.With power supply monitoring and sequence chip category-A seemingly, power supply monitoring also is connected with a plurality of voltage modules with enable signal output pin EnableX by voltage monitoring input pin monX with sequence chip B, has expanded number and the kind of system's controllable power.Power supply monitoring is connected with the monitoring input pin monX of sequence chip A with power supply monitoring by a GPIO pin with sequence chip B, the state of the power module that self is connected feeds back to power supply monitoring and sequence chip A as the monitoring voltage signal of power supply monitoring and sequence chip A, power supply monitoring just can guarantee to restart lower electricity after electricity under all or part of power module that power supply monitoring and sequence chip B monitor with sequence chip A like this, has realized that the coordination between power supply monitoring and sequence chip A, power supply monitoring and sequence chip B two chip blocks is controlled.
Connection circuit according to this kind cascade and feedback can with synthetic larger voltage monitoring and the order module of multi-disc voltage monitoring and sequence chipset, have been realized the extensibility of this circuit.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. an expandable type multi-power system power supply monitoring and ranking circuit, is characterized in that, comprises host side, main control module, and power supply monitoring and order module, some power modules and total switch circuit module,
Described power supply monitoring and order module comprise the power supply monitoring of a slice at least of cascade and the chip of sequence, wherein the output pin of total switch circuit module is connected with the enable pin of sequence chip with first order power supply monitoring, the previous stage power supply monitoring is connected with the enable pin of sequence chip with the next stage power supply monitoring with the universal input output GPIO pin of sequence chip, the afterbody power supply monitoring is connected with one of them monitoring input pin of sequence chip with first order power supply monitoring with the GPIO pin of sequence chip
Described host side is electrically connected to described main control module is two-way, and the clock line of described main control module by universal serial bus is connected with the chip that sorts with each described power supply monitoring, and the bidirectional data line by universal serial bus is connected with the chip that sorts with each power supply monitoring;
The one-level power supply monitoring is connected the multiple power supplies module with the sequence chip, the power supply monitoring that the Voltage-output pin of wherein said power module is corresponding with it is connected with the monitoring input pin of sequence chip, and power supply monitoring is connected with the enable signal pin of power module with the output signal pin that enables of the corresponding monitoring of sequence chip rail.
2. expandable type multi-power system power supply monitoring according to claim 1 and ranking circuit, it is characterized in that, described total switch circuit module comprises the pull-up resistor of serial connection, master switch and pull down resistor, the serial connection terminal of described master switch and pull down resistor is drawn the output pin of described total switch circuit module.
3. expandable type multi-power system power supply monitoring according to claim 1 and ranking circuit, is characterized in that, the one-level power supply monitoring is connected 6,8 or 12 road power modules with the sequence chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033016 CN203025643U (en) | 2013-01-21 | 2013-01-21 | Power supply monitoring and sequencing circuit of extensible multi-power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033016 CN203025643U (en) | 2013-01-21 | 2013-01-21 | Power supply monitoring and sequencing circuit of extensible multi-power system |
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| Publication Number | Publication Date |
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| CN203025643U true CN203025643U (en) | 2013-06-26 |
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| CN 201320033016 Expired - Fee Related CN203025643U (en) | 2013-01-21 | 2013-01-21 | Power supply monitoring and sequencing circuit of extensible multi-power system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415331A (en) * | 2018-03-13 | 2018-08-17 | 算丰科技（北京）有限公司 | AI deep learnings board and its power source supply method |
| CN114204778A (en) * | 2021-11-29 | 2022-03-18 | 上海御渡半导体科技有限公司 | Power supply management device for ATE test platform |
-
2013
- 2013-01-21 CN CN 201320033016 patent/CN203025643U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415331A (en) * | 2018-03-13 | 2018-08-17 | 算丰科技（北京）有限公司 | AI deep learnings board and its power source supply method |
| CN108415331B (en) * | 2018-03-13 | 2021-02-09 | 北京比特大陆科技有限公司 | AI deep learning board card and power supply method thereof |
| CN114204778A (en) * | 2021-11-29 | 2022-03-18 | 上海御渡半导体科技有限公司 | Power supply management device for ATE test platform |
| CN114204778B (en) * | 2021-11-29 | 2024-01-16 | 上海御渡半导体科技有限公司 | Power management device for ATE test platform |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20170121 |