CN213959807U

CN213959807U - Charging control circuit capable of realizing two-in-one of charger and charging device

Info

Publication number: CN213959807U
Application number: CN202022767692.6U
Authority: CN
Inventors: 黄孝坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-13
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a can realize charger and precious two unification's of charging control circuit and charging device that charge, include: the charger comprises an alternating current input processing module, a charger output management module, a synchronous rectification module and a charger output management module; the charger output management module comprises a battery charging management unit and a USB output control unit; the alternating current input processing module is respectively and electrically connected with the charger output management module and the synchronous rectification module, the synchronous rectification module is respectively and electrically connected with the charger output management module and the battery charging management unit, and the battery charging management unit is electrically connected with the USB output control unit; the AC input processing module rectifies and reduces the AC voltage of the input commercial power; the synchronous rectification module realizes synchronous rectification output of the charger output management module and the charger bank output management module; and the charging management unit is used for carrying out charging and discharging management on the energy storage battery. The utility model discloses integrated charger and precious function of charging, promoted user experience.

Description

Charging control circuit capable of realizing two-in-one of charger and charging device

Technical Field

The utility model relates to a charge control technical field especially relates to a can realize charger and precious two unification's of charging control circuit and charging device that charge.

Background

Along with the dependence of people on entertainment products such as smart phones or tablets and the like is stronger, the frequency of people in using and charging the entertainment products is also stronger, the entertainment activities such as games and videos enable the consumption of batteries of the entertainment products to be increased, and the service time is gradually shortened.

The charger and the charger baby in the prior art are independent products, and bring much inconvenience to users. Such as: the charger is used for charging the devices such as the mobile phone and the like only by inputting commercial power; the precious charging device has the advantages that the precious charging device is inconvenient to carry and also carelessly charges the precious charging device, and user experience is not high. Therefore, the invention of a charging control circuit capable of integrating a charger and a charger into a whole to meet different requirements of users is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide the control circuit and the charging device that charge that can realize charger and two unifications of treasured that charge.

On one hand, the utility model discloses a can realize charger and precious two-in-one charging control circuit that charges, including exchanging input processing module, charger output management module, synchronous rectifier module and precious output management module that charges; the charger baby output management module comprises a battery charging management unit and a USB output control unit; the alternating current input processing module is respectively and electrically connected with the charger output management module and the synchronous rectification module, the synchronous rectification module is respectively and electrically connected with the charger output management module and the battery charging management unit, and the battery charging management unit is electrically connected with the USB output control unit; the alternating current input processing module is used for rectifying and reducing the input alternating current voltage of the commercial power; the synchronous rectification module is used for realizing synchronous rectification output of the charger output management module and the charger bank output management module; the charging management unit is used for performing charging and discharging management on the energy storage battery; and the USB output control unit is used for realizing the electric connection with the peripheral charging equipment.

Preferably, the alternating current input processing module comprises a rectifying unit and a transforming unit; the rectification unit is respectively and electrically connected with the voltage transformation unit and the charger output management module, and the voltage transformation unit is respectively and electrically connected with the synchronous rectification module and the battery charging management unit.

Preferably, the rectifying unit includes a fuse, a rectifying bridge, a first inductor, a second inductor, a first resistor, a second resistor, a first capacitor, and a second capacitor; the first end of the fuse is electrically connected with the live wire input end of the commercial power alternating voltage, the second end of the fuse is electrically connected with the first end of the rectifier bridge, the second end of the rectifier bridge is respectively electrically connected with the first end of the first capacitor and the first end of the first inductor, the third end of the rectifier bridge is electrically connected with the zero line input end of the commercial power alternating voltage, the fourth end of the rectifier bridge is respectively and electrically connected with the first end of the first resistor, the first end of the second inductor and the second end of the first capacitor, the second end of the first resistor is electrically connected with the charger output management module, the first end of the second inductor is electrically connected with the second end of the second resistor, the first end of the second capacitor and the voltage transformation unit respectively, and the second end of the second capacitor is grounded.

Preferably, the charger output management module includes a flyback controller, a first winding, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a third capacitor, and a first diode; the first end of the third resistor is electrically connected with the alternating current input processing module, the second end of the third resistor is respectively and electrically connected with the first end of the first diode, the first end of the third capacitor and the first end of the flyback controller, the second end of the flyback controller is grounded, the second end of the first diode is respectively and electrically connected with the first end of the fourth resistor and the first end of the first winding, a second end of the fourth resistor is electrically connected with a first end of the fifth resistor and a third end of the flyback controller respectively, a first end of the sixth resistor is electrically connected with a fourth end of the flyback controller, a second end of the first winding, a second end of the third capacitor, a second end of the fifth resistor and a second end of the sixth resistor are grounded, and a fifth end, a sixth end, a seventh end and an eighth end of the flyback controller are respectively and electrically connected with the charger output management module.

Preferably, the voltage transformation unit includes a second winding, a second diode, a fourth capacitor, a fifth capacitor, a seventh resistor, and an eighth resistor; the first end of the second diode and the first end of the second winding are electrically connected with the charger output management module, the second end of the second diode is electrically connected with the first end of the seventh resistor, the second end of the seventh resistor is electrically connected with the first end of the eighth resistor and the first end of the fourth capacitor respectively, the second end of the fourth capacitor is electrically connected with the second end of the eighth resistor, the rectifying unit, the second end of the second winding and the first end of the fifth capacitor respectively, the second end of the fifth capacitor is grounded, the third end of the second winding is electrically connected with the charger output management module and the synchronous rectifying module respectively, and the fourth end of the second winding is electrically connected with the synchronous rectifying module.

Preferably, the synchronous rectification module comprises a synchronous rectifier, a sixth capacitor, a seventh capacitor and a ninth resistor; the first end, the second end, the third end and the fourth end of the synchronous rectifier are respectively and electrically connected with the alternating current input processing module and the first end of the sixth capacitor, the first end of the sixth capacitor is electrically connected with the first end of the ninth resistor, the second end of the ninth resistor is grounded, the fifth end of the synchronous rectifier is respectively and electrically connected with the first end of the seventh capacitor and the charger output management module, and the second end of the seventh capacitor is grounded.

Preferably, the charger baby output management module comprises a charge manager, a third inductor, an eighth capacitor, a tenth resistor and an energy storage battery; the first end of the charging manager is respectively electrically connected with the charger output management module and the synchronous rectification module, the second end of the charging manager is electrically connected with the first end of the tenth resistor, the second end of the tenth resistor is respectively electrically connected with the third end of the charging manager, the first end of the third inductor, the first end of the eighth capacitor and the anode of the energy storage battery, the second end of the third inductor is electrically connected with the fourth end of the charging manager, the second end of the eighth capacitor and the cathode of the energy storage battery are grounded, and the fifth end of the charging management chip is electrically connected with the USB output control unit.

In a second aspect, the utility model also discloses a charging device, including the first aspect the control circuit that charges that can realize charger and the precious two unifications of charging.

The utility model discloses a can realize charger and the precious charge control circuit and the charging device of two unifications of charging have following beneficial effect, the utility model discloses a can realize charger and the precious charge control circuit of two unifications of charging includes: the charger comprises an alternating current input processing module, a charger output management module, a synchronous rectification module and a charger output management module; the charger baby output management module comprises a battery charging management unit and a USB output control unit; the alternating current input processing module is respectively and electrically connected with the charger output management module and the synchronous rectification module, the synchronous rectification module is respectively and electrically connected with the charger output management module and the battery charging management unit, and the battery charging management unit is electrically connected with the USB output control unit; the alternating current input processing module is used for rectifying and reducing the input alternating current voltage of the commercial power; the synchronous rectification module is used for realizing synchronous rectification output of the charger output management module and the charger bank output management module; the charging management unit is used for performing charging and discharging management on the energy storage battery; and the USB output control unit is used for realizing the electric connection with the peripheral charging equipment. When the commercial power is input, the charger output management module and the charger output management module of the utility model can work simultaneously; the charger output management module is used for directly charging a peripheral mobile phone, and the charger output management module is used for charging an energy storage battery; when no commercial power is input, the output management module of the charger baby and the USB output control module are matched to control electric energy to be output to the peripheral charging equipment. Therefore, the utility model discloses integrateed charger and precious function of charging, the user need not to carry the charger simultaneously and charges when going out and precious, satisfies different users' user demand, has promoted user experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a schematic block diagram of a charging control circuit capable of implementing two-in-one of a charger and a charger according to a preferred embodiment of the present invention;

fig. 2 is a circuit diagram of a charging control circuit capable of implementing two-in-one of a charger and a charger according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Fig. 1 shows a preferred embodiment of the present invention, which includes an ac input processing module 1, a charger output management module 2, a synchronous rectification module 3, and a charger output management module 4; the charger baby output management module 4 comprises a battery charging management unit 41 and a USB output control unit 42; the alternating current input processing module is respectively and electrically connected with the charger output management module 2 and the synchronous rectification module 3, the synchronous rectification module 3 is respectively and electrically connected with the charger output management module 2 and the battery charging management unit 41, and the battery charging management unit 41 is electrically connected with the USB output control unit 42; the alternating current input processing module 1 is used for rectifying and reducing the input alternating current voltage of the mains supply; the synchronous rectification module 3 is used for realizing synchronous rectification output of the charger output management module 2 and the charger bank output management module 4; the charging management unit is used for performing charging and discharging management on the energy storage battery; the USB output control unit 42 is used to realize the electrical connection with the external charging device. When the commercial power is input, the charger output management module 2 and the charger output management module 4 of the utility model can work simultaneously; the charger output management module 2 is used for directly charging a peripheral mobile phone, and the charger output management module 4 is used for charging an energy storage battery; when no commercial power is input, the charger baby output management module 4 and the USB output control module are matched to control electric energy to be output to the peripheral charging equipment. Therefore, the utility model discloses integrated charger and precious function of charging, the user need not to carry the charger simultaneously and charges when going out and precious, and it is convenient to use, satisfies different users' user demand, has promoted user experience.

Preferably, the ac input processing module 1 includes a rectifying unit 11 and a transforming unit 12; the rectifying unit 11 is electrically connected to the transforming unit 12 and the charger output management module 2, respectively, and the transforming unit 12 is electrically connected to the synchronous rectifying module 3 and the battery charging management unit 41, respectively. It can be understood that the rectifying unit 11 is configured to convert the ac voltage of the utility power into a dc voltage, and the transforming unit 12 is configured to perform voltage reduction conversion on the dc voltage, and output the dc voltage to the back-end circuit module for power supply.

Preferably, referring to fig. 2, the rectifying unit 11 includes a fuse FR1, a rectifier bridge BD1, a first inductor L1, a second inductor L2, a first resistor R1, a second resistor R5, a first capacitor C1, and a second capacitor C2; the first end of the fuse FR1 is electrically connected to the live wire input end of the ac voltage of the utility power, the second end of the fuse FR1 is electrically connected to the first end of the rectifier bridge BD1, the second end of the rectifier bridge BD1 is electrically connected to the first end of the first capacitor C1 and the first end of the first inductor L1, the third end of the rectifier bridge BD1 is electrically connected to the zero wire input end of the ac voltage of the utility power, the fourth end of the rectifier bridge BD1 is electrically connected to the first end of the first resistor R1, the first end of the second resistor R5, the first end of the second inductor L2 and the second end of the first capacitor C1, the second end of the first resistor R1 is electrically connected to the charger output management module 2, the first end of the second inductor L2 is electrically connected to the second end of the second resistor R5, the first end of the second capacitor C2 and the transformer unit 12, the second end of the second capacitor C2 is grounded. It is understood that said fuse FR1 is used to realize power-off protection in case of current abnormality; the first inductor L1, the second inductor L2 and the first resistor R1 are connected in parallel for throttling sudden current change; the first capacitor C1 and the second capacitor C2 are used for filtering high frequency noise and providing stable voltage input. Therefore, the utility model discloses the reliability is high.

Preferably, referring to fig. 2, the charger output management module 2 includes a flyback controller U1, a first winding T1B, a third resistor R2, a fourth resistor R7, a fifth resistor R8, a sixth resistor R9, a third capacitor C4, and a first diode C7; a first end of the third resistor R2 is electrically connected to the ac input processing module 1, a second end of the third resistor R2 is electrically connected to a first end of a first diode C7, a first end of the third capacitor C4, and a first end VIN of the flyback controller U1, a second end GND of the flyback controller U1 is grounded, a second end of the first diode C7 is electrically connected to a first end of the fourth resistor R7 and a first end of the first winding T1B, a second end of the fourth resistor R7 is electrically connected to a first end of the fifth resistor R8 and a third end VSEN of the flyback controller U1, a first end of the sixth resistor R9 is electrically connected to a fourth end ISEN of the flyback controller U1, a second end of the first winding T1B, a second end of the third capacitor C4, a second end of the fifth resistor R8, and a second end VIN of the sixth resistor R9 are grounded, the fifth end Drain, the sixth end Drain, the seventh end Drain and the eighth end Drain of the flyback controller U1 are electrically connected to the charger output management module 2, respectively. It can be understood that, after the dc bus is turned on, the third capacitor C4 between the first terminal VIN of the flyback controller U1 and the second terminal GND pin of the flyback controller U1 starts to charge through the starting resistor R2. Once the voltage of the first terminal VIN of the flyback controller U1 rises to a preset value, the flyback controller U1 starts to operate inside. Due to the internal consumption of the integrated circuit, the first terminal VIN of the flyback controller U1 will be pulled down until the first winding T1B can provide enough energy to maintain VIN operation. In this embodiment, the fourth resistor R7 and the fifth resistor R8 are used for voltage division, and cooperate with the third terminal of the flyback controller U1 to realize voltage monitoring and keep constant operation; the sixth resistor R9 is used for realizing current monitoring of the flyback controller U1; the present embodiment may further include a ninth capacitor C7, an eleventh resistor R6, and a twelfth resistor R10, which are not limited in particular. In addition, the model of the flyback controller U1 of this embodiment is specifically AN _ SY 50135. In another preferred embodiment, the model of the flyback controller U1 may also be OB2530T, which is not limited herein.

Preferably, the transforming unit 12 includes a second winding T1A, a second diode D1, a fourth capacitor C3, a fifth capacitor CY1, a seventh resistor R3 and an eighth resistor R14; a first end of the second diode D1 and a first end of the second winding T1A are electrically connected to the charger output management module 2, a second end of the second diode D1 is electrically connected to a first end of the seventh resistor R3, a second end of the seventh resistor R3 is electrically connected to a first end of the eighth resistor R14 and a first end of the fourth capacitor C3, a second end of the fourth capacitor C3 is electrically connected to a second end of the eighth resistor R14, the rectifying unit 11, a second end of the second winding T1A, and a first end of the fifth capacitor CY1, a second end of the fifth capacitor CY1 is grounded, a third end of the second winding T1A is electrically connected to the charger output management module 4 and the synchronous rectification module 3, and a fourth end of the second winding T1A is electrically connected to the synchronous rectification module 3.

Preferably, the synchronous rectification module 3 comprises a synchronous rectifier U2, a sixth capacitor C10, a seventh capacitor C6 and a ninth resistor R3; the first end, the second end, the third end and the fourth end of the synchronous rectifier U2 are respectively electrically connected to the ac input processing module 1 and the first end of the sixth capacitor C10, the first end of the sixth capacitor C10 is electrically connected to the first end of the ninth resistor R3, the second end of the ninth resistor R3 is grounded, the fifth end of the synchronous rectifier U2 is respectively electrically connected to the first end of the seventh capacitor C6 and the charger baby output management module 4, and the second end of the seventh capacitor C6 is grounded. It can be understood that the synchronous rectification module 3 of the present embodiment reduces rectification loss and effectively improves conversion efficiency.

Preferably, the charger output management module 4 includes a charge manager U2, a third inductor L3, an eighth capacitor C8, a tenth resistor R12, and an energy storage battery; the first end of the charging manager U2 is electrically connected to the charger output management module 2 and the synchronous rectification module 3, the second end of the charging manager U3 is electrically connected to the first end of the tenth resistor R12, the second end of the tenth resistor R12 is electrically connected to the third end of the charging manager U2, the first end of the third inductor L3, the first end of the eighth capacitor C8 and the positive electrode of the energy storage battery, the second end of the third inductor L3 is electrically connected to the fourth end of the charging manager U3, the second end of the eighth capacitor C8 and the negative electrode of the energy storage battery are grounded, and the fifth end of the charging management chip is electrically connected to the USB output control unit 42. It can be understood that the energy storage battery of the embodiment is formed by connecting two groups of battery cells in parallel, and is used for realizing the 2800mA and 4800mA energy storage functions. The third inductor L3 and the eighth capacitor C8 are used for realizing energy storage and discharge in cooperation with the charging manager U3. The charging manager U2 of the present embodiment is IP 5306. It can be understood that the charging manager IP5306 integrates the overcharge and over-discharge over-temperature protection function to realize reliable battery charging and discharging management; self-adaptive charging current regulation is realized, and the matching performance is high; the load is intelligently identified, and the standby mode is automatically started. In another preferred embodiment, the model of the charging manager U2 may also be HM5905, which is not limited herein.

Preferably, the utility model discloses a charger management output module 2 reaches precious output management module 4 shunts charges, realizes simultaneously charging equipment for the peripheral hardware like cell-phone and precious energy storage battery that charges. When the power of the charger baby energy storage battery and the peripheral charging equipment is not supplied, 500mA is shunted to charge the peripheral charging equipment, and the rest current charges the charger baby energy storage battery. When peripheral hardware battery charging outfit increases gradually when saturated the reposition of redundant personnel of treasured output management module that charges, work as automatic disconnection electric current realizes automatic protection when peripheral hardware battery charging outfit and the precious energy storage battery that charges are all full of. The utility model discloses a charging device output is 5V 2.4A. The USB output control module can realize the functions of automatic awakening and power-off, namely, the USB output control module automatically awakens when the pull-down voltage is detected; automatically stopping voltage output within the no-load voltage 10; when the load voltage is detected to be connected, the load voltage is automatically awakened again, the intelligent degree is high, and the use is convenient.

Example two

The utility model discloses a charging device, including embodiment one can realize charger and the precious charging control circuit of two unifications of charging.

To sum up, the charging control circuit capable of integrating the charger and the charger into a whole provided by the utility model comprises an alternating current input processing module 1, a charger output management module 2, a synchronous rectification module 3 and a charger output management module 4; the charger baby output management module 4 comprises a battery charging management unit 41 and a USB output control unit 42; the alternating current input processing module is respectively and electrically connected with the charger output management module 2 and the synchronous rectification module 3, the synchronous rectification module 3 is respectively and electrically connected with the charger output management module 2 and the battery charging management unit 41, and the battery charging management unit 41 is electrically connected with the USB output control unit 42; the alternating current input processing module 1 is used for rectifying and reducing the input alternating current voltage of the mains supply; the synchronous rectification module 3 is used for realizing synchronous rectification output of the charger output management module 2 and the charger bank output management module 4; the charging management unit is used for performing charging and discharging management on the energy storage battery; the USB output control unit 42 is used to realize the electrical connection with the external charging device. When the commercial power is input, the charger output management module 2 and the charger output management module 4 of the utility model can work simultaneously; the charger output management module 2 is used for directly charging a peripheral mobile phone, and the charger output management module 4 is used for charging an energy storage battery; when no commercial power is input, the charger baby output management module 4 and the USB output control module are matched to control electric energy to be output to the peripheral charging equipment. Therefore, the utility model discloses integrateed charger and precious function of charging, the user need not to carry the charger simultaneously and charges when going out and precious, satisfies different users' user demand, has promoted user experience.

The charging control circuit and the charging device that can realize the two-in-one of the charger and the charger provided by the utility model are introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, to the general technical personnel in this field, according to the utility model discloses an idea, all can have the change part on concrete implementation and application scope, to sum up, this description content only is the utility model discloses an embodiment, does not consequently restrict the utility model discloses a patent scope, all utilize the equivalent structure or the equivalent flow transform that the content of the description and the attached drawing did, or directly or indirectly use in other relevant technical fields, all the same reason is included in the utility model discloses a patent protection scope. And should not be construed as limiting the invention.

Claims

1. The utility model provides a can realize charger and precious two unification charge control circuit that charge which characterized in that includes: the charger comprises an alternating current input processing module, a charger output management module, a synchronous rectification module and a charger output management module; the charger baby output management module comprises a battery charging management unit and a USB output control unit; the alternating current input processing module is respectively and electrically connected with the charger output management module and the synchronous rectification module, the synchronous rectification module is respectively and electrically connected with the charger output management module and the battery charging management unit, and the battery charging management unit is electrically connected with the USB output control unit; the alternating current input processing module is used for rectifying and reducing the input alternating current voltage of the commercial power; the synchronous rectification module is used for realizing synchronous rectification output of the charger output management module and the charger bank output management module; the charging management unit is used for performing charging and discharging management on the energy storage battery; and the USB output control unit is used for realizing the electric connection with the peripheral charging equipment.

2. The charging control circuit capable of realizing integration of a charger and a charger according to claim 1, wherein the alternating current input processing module comprises a rectifying unit and a transforming unit; the rectification unit is respectively and electrically connected with the voltage transformation unit and the charger output management module, and the voltage transformation unit is respectively and electrically connected with the synchronous rectification module and the battery charging management unit.

3. The charging control circuit capable of realizing integration of a charger and a charger according to claim 2, wherein the rectifying unit comprises a fuse, a rectifying bridge, a first inductor, a second inductor, a first resistor, a second resistor, a first capacitor and a second capacitor; the first end of the fuse is electrically connected with the live wire input end of the commercial power alternating voltage, the second end of the fuse is electrically connected with the first end of the rectifier bridge, the second end of the rectifier bridge is respectively electrically connected with the first end of the first capacitor and the first end of the first inductor, the third end of the rectifier bridge is electrically connected with the zero line input end of the commercial power alternating voltage, the fourth end of the rectifier bridge is respectively and electrically connected with the first end of the first resistor, the first end of the second inductor and the second end of the first capacitor, the second end of the first resistor is electrically connected with the charger output management module, the first end of the second inductor is electrically connected with the second end of the second resistor, the first end of the second capacitor and the voltage transformation unit respectively, and the second end of the second capacitor is grounded.

4. The charging control circuit capable of realizing the integration of the charger and the charger according to claim 1, wherein the charger output management module comprises a flyback controller, a first winding, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a third capacitor and a first diode; the first end of the third resistor is electrically connected with the alternating current input processing module, the second end of the third resistor is respectively and electrically connected with the first end of the first diode, the first end of the third capacitor and the first end of the flyback controller, the second end of the flyback controller is grounded, the second end of the first diode is respectively and electrically connected with the first end of the fourth resistor and the first end of the first winding, a second end of the fourth resistor is electrically connected with a first end of the fifth resistor and a third end of the flyback controller respectively, a first end of the sixth resistor is electrically connected with a fourth end of the flyback controller, a second end of the first winding, a second end of the third capacitor, a second end of the fifth resistor and a second end of the sixth resistor are grounded, and a fifth end, a sixth end, a seventh end and an eighth end of the flyback controller are respectively and electrically connected with the charger output management module.

5. The charging control circuit capable of realizing two-in-one of a charger and a charger according to claim 2, wherein the transforming unit comprises a second winding, a second diode, a fourth capacitor, a fifth capacitor, a seventh resistor and an eighth resistor; the first end of the second diode and the first end of the second winding are electrically connected with the charger output management module, the second end of the second diode is electrically connected with the first end of the seventh resistor, the second end of the seventh resistor is electrically connected with the first end of the eighth resistor and the first end of the fourth capacitor respectively, the second end of the fourth capacitor is electrically connected with the second end of the eighth resistor, the rectifying unit, the second end of the second winding and the first end of the fifth capacitor respectively, the second end of the fifth capacitor is grounded, the third end of the second winding is electrically connected with the charger output management module and the synchronous rectifying module respectively, and the fourth end of the second winding is electrically connected with the synchronous rectifying module.

6. The charging control circuit capable of realizing two-in-one of a charger and a charger according to claim 1, wherein the synchronous rectification module comprises a synchronous rectifier, a sixth capacitor, a seventh capacitor and a ninth resistor; the first end, the second end, the third end and the fourth end of the synchronous rectifier are respectively and electrically connected with the alternating current input processing module and the first end of the sixth capacitor, the first end of the sixth capacitor is electrically connected with the first end of the ninth resistor, the second end of the ninth resistor is grounded, the fifth end of the synchronous rectifier is respectively and electrically connected with the first end of the seventh capacitor and the charger output management module, and the second end of the seventh capacitor is grounded.

7. The charging control circuit capable of realizing two-in-one of a charger and a charger according to claim 1, wherein the charger output management module comprises a charging manager, a third inductor, an eighth capacitor, a tenth resistor and an energy storage battery; the first end of the charging manager is respectively electrically connected with the charger output management module and the synchronous rectification module, the second end of the charging manager is electrically connected with the first end of the tenth resistor, the second end of the tenth resistor is respectively electrically connected with the third end of the charging manager, the first end of the third inductor, the first end of the eighth capacitor and the anode of the energy storage battery, the second end of the third inductor is electrically connected with the fourth end of the charging manager, the second end of the eighth capacitor and the cathode of the energy storage battery are grounded, and the fifth end of the charging management chip is electrically connected with the USB output control unit.

8. A charging device, comprising the charging control circuit of any one of claims 1 to 7, wherein the charging control circuit can realize the integration of a charger and a charger.