CN114884187A - Small-size two-in-one power supply - Google Patents
Small-size two-in-one power supply Download PDFInfo
- Publication number
- CN114884187A CN114884187A CN202210679313.9A CN202210679313A CN114884187A CN 114884187 A CN114884187 A CN 114884187A CN 202210679313 A CN202210679313 A CN 202210679313A CN 114884187 A CN114884187 A CN 114884187A
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- CN
- China
- Prior art keywords
- circuit
- power supply
- chip
- resistor
- electrically connected
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 108700025151 PD protocol Proteins 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 31
- 230000005611 electricity Effects 0.000 claims description 22
- 229910002601 GaN Inorganic materials 0.000 claims description 5
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a small-size two-in-one power supply which comprises a power supply circuit, a PD protocol circuit, an EMC circuit inputted by the output end of the power supply circuit through AC, a transformer circuit electrically connected with the EMC circuit, a synchronous rectification circuit and a PWM circuit electrically connected with the transformer circuit respectively, a feedback circuit electrically connected with the PWM circuit, a Type-C circuit, a USB-A circuit and a charging and discharging management circuit electrically connected with the synchronous rectification circuit respectively, an MCU circuit and a battery cell electrically connected with the charging and discharging management circuit, and a protection circuit electrically connected with the battery cell. The invention uses the high-power-density electronic component and the high-density battery cell to be matched for use, integrates the functions of the charger and the mobile power supply into a power supply product, can use the charger indoors and use the mobile power supply outdoors, and has convenient and flexible use, small volume and convenient carrying.
Description
Technical Field
The invention relates to the technical field of power supplies, in particular to a small-size two-in-one power supply.
Background
Nowadays, electronic products are more and more, the power consumption is more and more, and the portable power source is born from this, and it is portable charger that can hand-carry, self can reserve the electric energy, mainly charges for electronic product, especially uses in the occasion that does not have external power supply to supply. With the rise of industries such as smart phones, mobile batteries are widely applied, and become one of the most important sources of supplementary power. The appearance of the power supply also enables the charging mode of electronic products such as mobile phones and tablet computers to be more convenient, and the common large-capacity mobile power supply is large in size and inconvenient to carry, so that a small-size two-in-one power supply is provided.
Disclosure of Invention
The present invention is directed to a small-sized two-in-one power supply to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a two unification powers of little volume, includes supply circuit and PD agreement circuit to and supply circuit's output passes through AC input EMC circuit, EMC circuit electricity is connected with transformer circuit, transformer circuit electricity respectively is connected with synchronous rectification circuit and PWM circuit, PWM circuit electricity is connected with feedback circuit, synchronous rectification circuit electricity respectively is connected with Type-C circuit, USB-A circuit and charge and discharge management circuit, charge and discharge management circuit electricity is connected with the MCU circuit, and electric core, electric core electricity is connected with protection circuit.
Preferably, the power supply circuit is used for converting alternating current into stable direct current output.
Preferably, the power supply circuit comprises a power supply circuit chip U2, the power supply circuit chip U2 IS in an INN1933C model, a gallium nitride chip IS arranged in the power supply circuit chip, a BP end of the power supply circuit chip IS electrically connected with a capacitor C20, a capacitor CY 20, a capacitor C20, a resistor R20, a zener diode ZD 20 and a transformer T3 20, a FWD end of the power supply circuit chip IS electrically connected with the resistor R20, the resistor R20 IS electrically connected with the transformer T1 20, the transformer T1 20 IS electrically connected with a triode Q20, a capacitor C20 and a capacitor C20, the triode Q20 IS connected in parallel with the resistor R20 and the capacitor C20, the transformer T1 20 IS also electrically connected with the resistor R20 and the capacitor C20, the resistor R20, the resistor FB 20 and the capacitor C20 are connected in parallel with the power supply circuit chip, and the IS electrically connected with the resistor R20 and the resistor 20, and a capacitor C14 connected in parallel with the resistor R9.
Preferably, the end D of the power supply circuit chip is electrically connected with a transformer T2A and a resistor R5, the resistor R5 is electrically connected with a diode D1, the transformer T2A is electrically connected with a resistor R1, a resistor R2 and a capacitor C1, the point of the resistor R1 is connected with a capacitor C2, a capacitor C5 and a capacitor C4, and an adjustable resistor L1, and the capacitor C4 is connected in parallel with a triode BD 1.
Preferably, a charge and discharge chip U7 is provided in the charge and discharge management circuit, and the type of the charge and discharge chip U7 is SC 8933.
Preferably, the PD protocol circuit is internally provided with a PD chip U6, and the model of the PD chip U6 is CYPD3175-24 LQXQ.
Preferably, the protection circuit is internally provided with a chip U5, the model of the chip U5 is HY2113-BB1A, and the chip U5 is electrically connected with a resistor R17, a resistor R21 and a capacitor C26.
Compared with the prior art, the invention has the following beneficial effects:
the portable charger uses the high-power-density electronic component and the high-density battery cell to be matched, integrates the functions of the charger and the portable power supply into a power supply product, can use the charger indoors and use the portable power supply outdoors, is convenient and flexible to use, and is small in size and convenient to carry;
according to the invention, the GNA high-power density element is adopted, so that the charging efficiency of the product is improved; the high-density cell is utilized, so that the capacity of the battery is improved, and the size of a power supply is reduced; the charger is combined with the mobile power supply, so that the use of a user in different scenes can be met;
the charger and the mobile power supply are combined into a product, so that the use of a user in different scenes can be met; the product has small volume, and the charging efficiency and the discharging capacity are further improved by utilizing the gallium nitride chip and the high-density battery cell; the product protection circuit is sufficient, and hardware and software protection is set, so that damage to the battery cell due to overcharge or overdischarge is prevented.
Drawings
FIG. 1 is a schematic diagram of a logical framework architecture of the present invention;
FIG. 2 is a schematic diagram of a power supply circuit according to the present invention;
FIG. 3 is a schematic diagram of a charge/discharge management circuit according to the present invention;
FIG. 4 is a diagram illustrating a PD protocol circuit structure according to the present invention;
fig. 5 is a schematic diagram of a protection circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: the utility model provides a two unification powers of little volume, includes supply circuit and PD agreement circuit to and supply circuit's output passes through AC input EMC circuit, EMC circuit electricity is connected with transformer circuit, transformer circuit electricity respectively is connected with synchronous rectification circuit and PWM circuit, PWM circuit electricity is connected with feedback circuit, synchronous rectification circuit electricity respectively is connected with Type-C circuit, USB-A circuit and charge and discharge management circuit, charge and discharge management circuit electricity is connected with the MCU circuit, and electric core, electric core electricity is connected with protection circuit.
Example two
The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:
as shown in fig. 2, as a preferred embodiment, based on the above manner, further, the power supply circuit is configured to convert an alternating current into a stable direct current for output, the power supply circuit includes a power supply circuit chip U2, the power supply circuit chip U2 is in the model of INN1933C, the power supply circuit chip is internally provided with a gallium nitride chip, a BP end of the power supply circuit chip is electrically connected to a capacitor C20, a capacitor CY1, a capacitor C16, a capacitor C17, a resistor R12, a resistor R11, a resistor R16, a zener diode ZD1, and a transformer T3B, a FWD end of the power supply circuit chip is electrically connected to a resistor R7, the resistor R7 is electrically connected to a transformer T1C, the transformer T1C is electrically connected to a triode Q2, a capacitor C6, a capacitor C23, the triode Q2 is connected in parallel to a resistor R6 and a capacitor C7, the transformer T1 7 is electrically connected to a resistor R7 and a resistor 7, resistance R8, resistance R10 and electric capacity C15 access power supply circuit chip's FB end in parallel, power supply circuit chip's IS end electricity IS connected with resistance R14, resistance R14 IS electrically connected with resistance R9 to and the parallelly connected electric capacity C14 of resistance R9, power supply circuit chip's D end electricity IS connected with transformer T2A and resistance R5, resistance R5 electricity IS connected with diode D1, transformer T2A electricity IS connected with resistance R1, resistance R2 and electric capacity C1, resistance R1 point IS connected with electric capacity C2, electric capacity C5 and electric capacity C4 to and adjustable resistance L1, electric capacity C4 parallel connection has triode BD1, and charging circuit converts the alternating current into stable direct current output, provides output voltage for PD mouth and USBA mouth, and power supply circuit chip U2 model 1933 IS INN1933C, built-in gallium nitride chip.
As shown in fig. 3, in addition to the above-described embodiment, a charge/discharge chip U7 is further provided in the charge/discharge management circuit, the charge/discharge chip U7 is of type SC8933, and the charge/discharge management circuit converts an input voltage into a battery charging voltage by U7(SC8933) and can convert the battery voltage into an output voltage of the PD port or the USBA port.
As shown in fig. 4, as a preferred embodiment, on the basis of the above manner, a PD chip U6 is built in the PD protocol circuit, the model of the PD chip U6 is CYPD3175-24LQXQ, the PD protocol circuit performs handshake connection with a mobile phone through a PD chip U6(CYPD3175-24LQXQ) CCPIN, and performs internal adjustment according to a voltage required by the mobile phone, so as to achieve a voltage required by the mobile phone and meet a fast charging requirement of the mobile phone.
As shown in fig. 5, in addition to the above mode, as a preferred embodiment, the protection circuit is provided with a chip U5, the model of the chip U5 is HY2113-BB1A, the chip U5 is electrically connected to a resistor R17, a resistor R21 and a capacitor C26, and the chip U5(HY2113-BB1A) is used to protect the charging and discharging voltage and current of the battery cell, so as to prevent the battery cell from being damaged or exploded due to overcharge or overdischarge.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a two unification power of small volume, includes supply circuit and PD agreement circuit to and supply circuit's output passes through AC input EMC circuit, its characterized in that: the EMC circuit electricity is connected with transformer circuit, transformer circuit electricity respectively is connected with synchronous rectification circuit and PWM circuit, the PWM circuit electricity is connected with feedback circuit, synchronous rectification circuit electricity respectively is connected with Type-C circuit, USB-A circuit and charge and discharge management circuit, charge and discharge management circuit electricity is connected with the MCU circuit to and electric core, electric core electricity is connected with protection circuit.
2. A small-volume two-in-one power supply as claimed in claim 1, wherein: the power supply circuit is used for converting alternating current into stable direct current for output.
3. A small-volume two-in-one power supply as claimed in claim 1, wherein: the power supply circuit comprises a power supply circuit chip U2, the power supply circuit chip U2 IS in an INN 193C model, a gallium nitride chip IS arranged in the power supply circuit chip, a BP end of the power supply circuit chip IS electrically connected with a capacitor C20, a capacitor CY 20, a capacitor C20, a resistor R20, a zener diode ZD 20 and a transformer T3 20, a FWD end of the power supply circuit chip IS electrically connected with the resistor R20, the resistor R20 IS electrically connected with the transformer T1 20, the transformer T1 20 IS electrically connected with a triode Q20, a capacitor C20 and a capacitor C20, the triode Q20 IS connected with the resistor R20 and the capacitor C20 in parallel, the transformer T1 20 IS also electrically connected with the resistor R20, the resistor R20 and the resistor C20 in parallel, and the IS end of the power supply circuit chip IS electrically connected with the resistor R20 and the resistor 20 in parallel, and a capacitor C14 connected in parallel with the resistor R9.
4. A small-volume two-in-one power supply as claimed in claim 1, wherein: the D end of power supply circuit chip is connected with transformer T2A and resistance R5, resistance R5 is electrically connected with diode D1, transformer T2A is electrically connected with resistance R1, resistance R2 and electric capacity C1, resistance R1 point connection has electric capacity C2, electric capacity C5 and electric capacity C4 to and adjustable resistance L1, electric capacity C4 parallel connection has triode BD 1.
5. A small-volume two-in-one power supply as claimed in claim 1, wherein: and a charging and discharging chip U7 is arranged in the charging and discharging management circuit, and the type of the charging and discharging chip U7 is SC 8933.
6. A small-volume two-in-one power supply as claimed in claim 1, wherein: the PD protocol circuit is internally provided with a PD chip U6, and the model of the PD chip U6 is CYPD3175-24 LQXQ.
7. A small-volume two-in-one power supply as claimed in claim 1, wherein: the protection circuit is internally provided with a chip U5, the model of the chip U5 is HY2113-BB1A, and the chip U5 is electrically connected with a resistor R17, a resistor R21 and a capacitor C26.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679313.9A CN114884187A (en) | 2022-06-16 | 2022-06-16 | Small-size two-in-one power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679313.9A CN114884187A (en) | 2022-06-16 | 2022-06-16 | Small-size two-in-one power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114884187A true CN114884187A (en) | 2022-08-09 |
Family
ID=82680663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210679313.9A Pending CN114884187A (en) | 2022-06-16 | 2022-06-16 | Small-size two-in-one power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114884187A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014192038A (en) * | 2013-03-27 | 2014-10-06 | Sumitomo Heavy Ind Ltd | Secondary battery charge/discharge inspection device |
| CN204538754U (en) * | 2015-04-23 | 2015-08-05 | 张宙 | High integrated multifunction portable power source |
| CN112928806A (en) * | 2021-01-28 | 2021-06-08 | 湖南炬神电子有限公司 | Subminiature power supply implementation method |
| CN113078723A (en) * | 2021-04-02 | 2021-07-06 | 湖南炬神电子有限公司 | Two-way quick-charging and quick-discharging two-in-one power supply |
| CN214154112U (en) * | 2021-01-18 | 2021-09-07 | 湖南炬神电子有限公司 | Two-in-one power supply |
| CN214315059U (en) * | 2020-11-13 | 2021-09-28 | 江西吉安奥海科技有限公司 | High power density's charger with Type C interface |
| CN114362272A (en) * | 2021-09-10 | 2022-04-15 | 湖南炬神电子有限公司 | Ultra-thin trinity power supply unit |
-
2022
- 2022-06-16 CN CN202210679313.9A patent/CN114884187A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014192038A (en) * | 2013-03-27 | 2014-10-06 | Sumitomo Heavy Ind Ltd | Secondary battery charge/discharge inspection device |
| CN204538754U (en) * | 2015-04-23 | 2015-08-05 | 张宙 | High integrated multifunction portable power source |
| CN214315059U (en) * | 2020-11-13 | 2021-09-28 | 江西吉安奥海科技有限公司 | High power density's charger with Type C interface |
| CN214154112U (en) * | 2021-01-18 | 2021-09-07 | 湖南炬神电子有限公司 | Two-in-one power supply |
| CN112928806A (en) * | 2021-01-28 | 2021-06-08 | 湖南炬神电子有限公司 | Subminiature power supply implementation method |
| CN113078723A (en) * | 2021-04-02 | 2021-07-06 | 湖南炬神电子有限公司 | Two-way quick-charging and quick-discharging two-in-one power supply |
| CN114362272A (en) * | 2021-09-10 | 2022-04-15 | 湖南炬神电子有限公司 | Ultra-thin trinity power supply unit |
Non-Patent Citations (1)
| Title |
|---|
| 梁基广: "便携式多功能电源设计及其在调试中的应用研究" * |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220809 |
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| RJ01 | Rejection of invention patent application after publication |