CN113422405A

CN113422405A - Support portable power source circuit of quick charge and wireless charging

Info

Publication number: CN113422405A
Application number: CN202110619232.5A
Authority: CN
Inventors: 杨丽
Original assignee: Shenzhen High Tech Co Ltd
Current assignee: Shenzhen High Tech Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-09-21

Abstract

The invention discloses a mobile power supply circuit supporting quick charging and wireless charging, which comprises a wireless charging receiving circuit, a solar charging circuit, a battery charging management circuit and a charging switching control circuit, wherein the wireless charging receiving circuit processes electric energy induced by a wireless charging transmitting terminal to form a power supply capable of charging a battery, the solar charging circuit processes the electric energy of a solar cell panel to form the power supply capable of charging the battery, the battery charging management circuit is responsible for connecting a charging input interface and a charging output interface, judging the charging state and indicating the electric quantity, the charging switching control circuit is responsible for switching between two charging inputs of solar energy and wireless charging, the circuit can be charged by adopting a plurality of charging modes, such as wireless charging and quick charging source charging, and can also be charged by adopting solar energy if no power is supplied, various excellent characteristics, so that the composite material has good application market prospect.

Description

Support portable power source circuit of quick charge and wireless charging

Technical Field

The invention belongs to the field of mobile power supplies, and particularly relates to a mobile power supply circuit supporting quick charging and wireless charging.

Background

Along with the increasingly abundant lives of people and the continuous improvement of economic capacity, the consumption capacity of electronic products is greatly improved, more and more portable electronic products are provided, the battery capacity used by the portable electronic products cannot be supplied for normal use time, and even the portable electronic products are powered off when the portable electronic products are in urgent need of use, so that people can beat the chest and stamp the feet, and the portable electronic products are endless. The market can completely solve the problem of power shortage, and the product requirement for worries about work and life reaches the utmost point, and the mobile power supply is launched to the market at this time, so that the market requirement is met.

The rapid development of the smart phone can realize more and more functions, but obviously the development of the battery is not in pace, although the battery is improved in capacity from the functional machine to the current large-capacity smart phone, the battery is upgraded painlessly and not itchy, the development speed of the mobile phone is far from being in pace, the research and development of the battery needs time, but the development of the mobile phone and the use of a user cannot be stopped, so that a mobile power supply supporting rapid charging and other charging in various forms is provided, and the mobile phone which is in short of power can obtain the supplementary electric quantity. Meanwhile, the mobile power supply can supplement electric quantity in a short time when the mobile power supply is in power shortage, and the mobile power supply can be easily charged when exposed to the sun under the condition that the mobile power supply is in power shortage and cannot obtain a mains supply interface for charging. The mobile power supply circuit also combines the wireless charging function, so that the mobile power supply circuit can be charged in a wireless mode without connecting a power supply interface, and the mobile power supply circuit is just suitable for daily needs of people in various application scenes and easy charging modes.

Disclosure of Invention

In order to enable people to obtain a mobile power supply capable of being charged in various forms and being charged quickly, the mobile power supply circuit supporting quick charging and wireless charging just meets the requirement, the type of the selected battery is WNL 1158115, the capacity is 10000 milliamperes, the charging current is less than or equal to 3A, the charging processing chip can be adjusted in a self-adaptive charging current mode, and if the charging current is adjusted to be 3A current, the battery selected by the circuit can charge 45% of electric quantity within 1.5 hours. Other charging modes such as solar charging with the charging capacity less than or equal to 3A and wireless charging with 15W power. 10000 milliamperes of battery capacity is enough to guarantee to reserve sufficient electric energy, and its solar charging is also an advantage, if need only have sunlight and just can guarantee that there is the normal supply of electric energy when the benefit is charged when going out.

Meanwhile, the mobile phone supports QC2.0/QC3.0 output fast charging protocol, FCP/AFC/SFCP input/output fast charging protocol, MTK PE + 1.1&2.0 output fast charging protocol, USB C/PD2.0/PD3.0 input/output protocol, USB C PD3.0 PPS output protocol, and is compatible with BC 1.2/apple/Samsung and other mobile phones.

The utility model provides a support quick charge and wireless portable power source circuit who charges, includes wireless receiving circuit, solar charging circuit, battery charging management circuit, the switching control circuit that charges, wireless receiving circuit that charges becomes the power that can supply the battery to charge to the electric energy that wireless transmitting terminal response comes through processing, solar charging circuit handles the power that can supply the battery to charge to solar cell panel's electric energy, battery charging management circuit is responsible for charging input and the output interface's that charges be connected, judges the charged state, and the electric quantity is instructed, the switching control circuit that charges is responsible for the switching between two kinds of charging inputs of solar energy and wireless charging.

The core device of the wireless charging receiving circuit is CWQ1100 chip U6, the 10 th, 11 th, 22 th and 23 th pins of CWQ1100 chip U6 are externally connected with a wireless charging induction coil, and an electromagnetic induction electric field is converted into a power supply capable of charging a battery; the

pins

2, 6, 12, 13, 18, 19, 20, 21, 25, 26, 31, 34, 36, 37 and 39 of the U6 of the CWQ1100 chip are connected with a power ground; the CWQ1100 chip U6 is connected with the 10 th and 11 th pins in parallel, and then connected with a D4 diode cathode, and the anode is connected with a power ground, the CWQ1100 chip U6 is connected with a TP7 interface at the 10 th pin, and the TP7 interface is the 1 st connection point of the wireless charging receiving coil; the 1 st pin of the CWQ1100 chip U6 is connected with a capacitor C41 in series to the TP7 interface; the 22 nd and 23 th pins of the CWQ1100 chip U6 are connected in parallel, and then are connected in series with a C44 capacitor to the 24 th pin of the CWQ1100 chip U6, the 22 nd pin of the CWQ1100 chip U6 is connected in series with a C43 capacitor to the 28 th pin of the CWQ1100 chip U6, the 22 nd pin of the CWQ1100 chip U6 is connected with the cathode of a diode D3, the anode of the diode D3 is connected with the power ground, the 22 nd pin of the CWQ1100 chip U6 is connected with the L3 inductance 1 st pin, the 2 nd pin of the inductor is connected with a TP9 interface, and the 2 nd pin is the 2 nd connection point of the wireless charging induction coil; c55, C56, C57, C58 and C59 capacitors are connected between the TP7 interface and the TP9 interface in parallel; the 7 th and 8 th pins of the CWQ1100 chip U6 are connected with the 30 th pin of the IP5328P chip U2; the 7 th pin and the 8 th pin of the CWQ1100 chip U6 are connected with the anode of a D2 light-emitting diode, the cathode of the D3526 light-emitting diode is connected with an R37 resistor in series to the power ground, and the two light-emitting pins of the D2 are wireless charging state indicator lamps; c45, C46, C47 and C48 capacitors are connected between the 7 th pin and the 8 th pin of the U6 of the CWQ1100 chip and a power ground in parallel to filter an output power supply of the chip; the 29 th pin of the CWQ1100 chip U6 is connected with a resistor in series with an R34 resistor to a power ground, the 29 th pin of the CWQ1100 chip U6 is connected with a resistor in series with a R33 resistor to a1 st pin of an R36 resistor, a 2 nd pin is connected with the power ground, the 29 th pin of the CWQ1100 chip U6 is connected with a resistor in series with a R32 resistor to a 3.3V power supply, and the wireless charging temperature detection circuit is formed by the circuit; the 38 th pin of the CWQ1100 chip U6 is connected with an R29 resistor in series to the power ground, the 38 th pin of the CWQ1100 chip U6 is connected with the 1 st pin of the R26 resistor, and the 2 nd pin of the R26 resistor is connected with the 40 th pin of the CWQ1100 chip U6; the pins 33 and 30 of the CWQ1100 chip U6 are sequentially connected with the

pins

11 and 12 of the MC32F7341A0J chip U4 of the charging switching control circuit, and communicate with the pins to exchange data.

The core device of the solar charging circuit is a CN3791 chip U1, a9 th pin of the CN3791 chip U1 is connected with a 2 nd pin of a P1 connector after filtering of capacitors C5, C8 and C7, a1 st pin of the P1 connector is connected with a power ground, the P1 connector is a connecting port of a solar cell panel, a 2 nd pin of the CN3791 chip U1 is connected with the power ground, a 3 rd pin of the CN3791 chip U1 is connected with a cathode of an LED3, an anode is connected with an R7 resistor in series to the 2 nd pin of the P1 connector, a4 th pin of the CN3791 chip U1 is connected with the cathode of the LED2, an anode is connected with the R7 resistor in series to the 2 nd pin of the P1 connector, and the LED3 and the LED2 are solar charging state indicating lamps; a5 th pin of the CN3791 chip U1 is connected in series with a R11 resistor and then connected in series with a C24 capacitor to a power ground, a6 th pin of the CN3791 chip U1 is connected in series with a R12 resistor to a power ground, a6 th pin of the CN3791 chip U1 is connected to a1 st pin of the R8 resistor, a 2 nd pin thereof is connected to a 2 nd pin of the P1 connector, a 2 nd pin of the P1 connector is connected to a source of a Q2 fet, a gate is connected to a 10 th pin of the CN3791 chip U1, a drain thereof is connected to a1 st pin of an L1 inductor after passing through a D1 current clamping diode, a 2 nd pin of the L1 inductor is connected to a1 st pin of a R4 resistor, a 2 nd pin of the R4 resistor is filtered by C10 and a C6 capacitor to output a 4.2V power supply, R6 and a R4 resistor are connected in parallel between 6 th and 7 th pins of the CN3791 chip U1, and a drain of the Q5 is connected to a Q364.3V solar charge transistor.

The battery charging management circuit comprises a charging input interface, a charging output interface and a charging battery protection circuit, wherein a core device of the battery charging management circuit is an IP5328P chip U2,

pins

14, 15, 16, 17 and 18 of the IP5328P chip U2 are connected with a pin 1 of an L2 inductor, a pin 2 of the L2 inductor is VBAT +, capacitors C21, C22, C25 and C26 are connected between a pin 2 of the L2 inductor and a power ground in parallel, and a pin 41 of the IP5328P chip U2 is connected with the power ground; the 13 th pin of the IP5328P chip U2 is connected with an R16 resistor in series to the power ground; a 13 th pin of the IP5328P chip U2 is connected to a cathode of an LED4, an anode series resistor R14 is connected to a12 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to an anode of an LED5, a cathode series resistor R14 is connected to a12 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to a cathode of an LED6, an anode series resistor R13 is connected to an 11 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to an anode of an LED7, a cathode series resistor R13 is connected to an 11 th pin of the IP5328P chip U2, and the

LEDs

4, 5, 6 and LED7 are battery level indicators; the 10 th pin of the IP5328P chip U2 is connected with a power ground in parallel with a resistor R17 and a resistor R18; the 20 th pin of the U2 of the IP5328P chip is connected with the 1 st pin of the R3 resistor, the 2 nd pin of the U2 is connected with the anode of an LED1, the cathode of the U2 is connected with the ground of a power supply, and the LED1 is a quick-charge indicator lamp; the 30 th pin of the IP5328P chip U2 is connected with the 7 th pin of the CWQ1100 chip U6; the charging input interface is a USB1, pins A4B9, A5, A6, A7, B5 and B4A9 of the USB1 are sequentially connected with

pins

32, 2, 5, 4, 3 and 32 of an IP5328P chip U2,

pins

1, 2, 3, 4, B1A12 and A1B12 of the USB1 are connected with a power ground, pins A4B9 and B4A9 of the USB1 are connected with the drain of a Q1 field effect transistor, the source is connected with a pin 25 of an IP5328P chip U2, and the gate is connected with a pin 33 of an IP53 5328P chip U2; the drain electrode of the Q3 field effect transistor is connected with the 30 th pin of the IP5328P chip U2, the drain electrode of the Q3 field effect transistor is connected with the drain electrode of the Q8 field effect transistor, the drain electrode of the Q3 field effect transistor is connected with the source electrode of the Q5 field effect transistor, and the gate electrode of the Q5 field effect transistor is connected with the 10 th pin of the MC32F7341A0J chip U4; the 1 st, 2 nd and 3 rd pins of the charging output interface USB2 are sequentially connected with the 37 th, 38 th and 39 th pins of the IP5328P chip U2, the 4 th, 5 th and 6 th pins of the USB2 are connected with a power ground, the 1 st pin of the USB2 is connected with the source electrode of a Q4 field effect transistor, the drain electrode is connected with the 25 th pin of the IP5328P chip U2, and the gate electrode is connected with the 36 th pin of the IP5328P chip U2; the 1 st, 2 nd and 3 rd pins of the charging output interface USB3 are sequentially connected with the 34 th, 40 th and 1 st pins of the U2 of the IP5328P chip, the 4 th, 5 th and 6 th pins of the USB3 are connected with a power ground, the 1 st pin of the USB3 is connected with the source electrode of a Q9 field effect transistor, the drain electrode is connected with the 25 th pin of the U2 of the IP5328P chip, and the gate electrode is connected with the 35 th pin of the U2 of the IP5328P chip; the core device of the rechargeable battery protection circuit is an S-8261ABJMD-G3JT2G chip U3, a pin 2 of the chip U3 is connected with an R22 resistor in series to a power ground, a pin 3 of the chip U3 is connected with a grid electrode of a Q6 field effect transistor, a source electrode of the chip U3 is connected with the power ground, a drain electrode of the chip U3 is connected with a drain electrode of a Q7 field effect transistor, a pin 1 of the chip U3 is connected with the grid electrode of the Q7 field effect transistor, a source electrode of the chip U3 is connected with a pin 6 of the chip U3, a pin 6 of the chip U3 is connected with VBAT +, the VBAT + is a battery positive terminal of BT1, the VBAT-is a battery negative terminal of BT1, and a pin 5 of the chip U3 is connected with a resistor R21 in series to the VBAT +.

The charging switching control circuit comprises a power supply voltage stabilizing circuit and a control chip, wherein a core device of the power supply voltage stabilizing circuit is a 1117-3.3 voltage stabilizing block U5, a 3 rd pin of the U5 is connected with the VBAT + and is an input power supply of the U5, a1 st pin of the U5 is connected with a power ground, and a 2 nd pin of the U5 outputs a 3.3V power supply under the filtering of C40 and C37 capacitors; the control chip is a U4 type MC32F7341A0J, the 14 th pin of U4 is connected with a power ground, the 1 st pin is connected with the 3.3V power supply under the filtering of C33 and C32 capacitors, the 5 th and 6 th pins of U4 are sequentially connected with the 7 th and 6 th pins of an IP53 5328P chip U2, the 8 th pin of U4 is connected with the 10 th pin of CN3791 chip U1, the 3 rd, 2 th and 7 th pins of U4 are sequentially connected with the 3 rd, 4 th and 5 th pins of a P2 connector, the 1 st pin of the P2 connector is connected with the 3.3V power supply, the 2 nd pin is connected with the power ground, and the P2 connector is a program burning interface of U4.

Advantageous effects

A mobile power supply supporting quick charging and other charging in various forms enables a mobile phone which is in short of power to obtain supplementary power. Meanwhile, the mobile power supply can supplement electric quantity in a short time when the mobile power supply is in power shortage, and the mobile power supply can be easily charged when exposed to the sun under the condition that the mobile power supply is in power shortage and cannot obtain a mains supply interface for charging. The mobile power supply circuit also combines the wireless charging function, so that the wireless charging can be realized without connecting a power supply interface.

The invention provides a mobile power supply circuit supporting quick charging and wireless charging, wherein the model of a selected battery is WNL 1158115, the capacity is 10000 milliamperes, the charging current is less than or equal to 3A, a charging processing chip can be adjusted in a self-adaptive charging current mode, and if the charging current is adjusted to be 3A current, the battery selected by the circuit can charge 45% of electric quantity within 1.5 hours. Other charging modes such as solar charging with the charging capacity less than or equal to 3A and wireless charging with 15W power. 10000 milliamperes of battery capacity is enough to guarantee to reserve sufficient electric energy, and its solar charging is also an advantage, if need only have sunlight and just can guarantee that there is the normal supply of electric energy when the benefit is charged when going out.

Drawings

Fig. 1 is a circuit diagram of a wireless charging receiver;

FIG. 2 is a solar charging circuit diagram;

FIG. 3 is a circuit diagram of a battery charge management circuit;

FIG. 4 is a circuit diagram of a charging input interface;

FIG. 5 is a circuit diagram of a charge output interface;

FIG. 6 is a circuit diagram of a battery charge protection circuit;

FIG. 7 is a circuit diagram of a charge switching control circuit;

fig. 8 is a functional block diagram.

Detailed Description

To facilitate an understanding of the inventive circuit, the inventive circuit is described in more detail below with reference to the figures and the specific embodiments. Preferred embodiments of the present circuit are shown in the drawings, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the specification. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Detailed description of the preferred embodiments

As shown in fig. 8, a mobile power supply circuit supporting fast charging and wireless charging includes a wireless charging receiving circuit, a solar charging circuit, a battery charging management circuit, and a charging switching control circuit, wherein the wireless charging receiving circuit processes the electric energy sensed by the wireless charging transmitting terminal into a power supply capable of charging the battery, the solar charging circuit processes the electric energy of the solar cell panel into the power supply capable of charging the battery, the battery charging management circuit is responsible for connection between the charging input and the charging output interface, determines the charging state, and indicates the electric quantity, and the charging switching control circuit is responsible for switching between the charging input of solar energy and the charging input of wireless charging.

As shown in fig. 1, a core device of the wireless charging receiving circuit is an CWQ1100 chip U6, and a wireless charging induction coil externally connected to

pins

10, 11, 22 and 23 of the CWQ1100 chip U6 converts an electromagnetic induction field into a power supply capable of charging a battery; the

pins

2, 6, 12, 13, 18, 19, 20, 21, 25, 26, 31, 34, 36, 37 and 39 of the U6 of the CWQ1100 chip are connected with a power ground; the 11 th pin and the 10 th pin of the CWQ1100 chip U6 are connected in parallel, and then connected with a D4 diode cathode, and an anode is connected with a power ground, the 10 th pin of the CWQ1100 chip U6 is connected with a TP7 interface, and the TP7 interface is the 1 st connection point of the wireless charging receiving coil; the 1 st pin of the CWQ1100 chip U6 is connected with a capacitor C41 in series to the TP7 interface; the 22 nd and 23 th pins of the CWQ1100 chip U6 are connected in parallel, and then are connected in series with a C44 capacitor to the 24 th pin of the CWQ1100 chip U6, the 22 nd pin of the CWQ1100 chip U6 is connected in series with a C43 capacitor to the 28 th pin of the CWQ1100 chip U6, the 22 nd pin of the CWQ1100 chip U6 is connected with the cathode of a diode D3, the anode of the diode D3 is connected with the power ground, the 22 nd pin of the CWQ1100 chip U6 is connected with the L3 inductance 1 st pin, the 2 nd pin of the inductor is connected with a TP9 interface, and the 2 nd pin is the 2 nd connection point of the wireless charging induction coil; c55, C56, C57, C58 and C59 capacitors are connected between the TP7 interface and the TP9 interface in parallel; the 7 th pin and the 8 th pin of the CWQ1100 chip U6 are connected in parallel and then connected with the 30 th pin of the IP5328P chip U2; the 7 th pin and the 8 th pin of the CWQ1100 chip U6 are connected with the anode of a D2 light-emitting diode, the cathode of the D3526 light-emitting diode is connected with an R37 resistor in series to the power ground, and the two light-emitting pins of the D2 are wireless charging state indicator lamps; c45, C46, C47 and C48 capacitors are connected between the 7 th pin and the 8 th pin of the U6 of the CWQ1100 chip and a power ground in parallel to filter an output power supply of the chip; the 29 th pin of the CWQ1100 chip U6 is connected with a resistor in series with an R34 resistor to a power ground, the 29 th pin of the CWQ1100 chip U6 is connected with a resistor in series with a R33 resistor to a1 st pin of an R36 resistor, a 2 nd pin is connected with the power ground, the 29 th pin of the CWQ1100 chip U6 is connected with a resistor in series with a R32 resistor to a 3.3V power supply, and the wireless charging temperature detection circuit is formed by the circuit; the 38 th pin of the CWQ1100 chip U6 is connected with an R29 resistor in series to the power ground, the 38 th pin of the CWQ1100 chip U6 is connected with the 1 st pin of the R26 resistor, and the 2 nd pin of the R26 resistor is connected with the 40 th pin of the CWQ1100 chip U6; the pins 33 and 30 of the CWQ1100 chip U6 are sequentially connected with the

pins

As shown in fig. 2, a core device of the solar charging circuit is CN3791 chip U1, the 9 th pin of CN3791 chip U1 is connected to the 2 nd pin of P1 connector after filtering by capacitors C5, C8 and C7, the 1 st pin of the P1 connector is connected to the power ground, the P1 connector is a connection port of a solar cell panel, the 2 nd pin of CN3791 chip U1 is connected to the power ground, the 3 rd pin of CN3791 chip U1 is connected to the cathode of LED3, the anode is connected in series to R7 resistor to the 2 nd pin of the P1 connector, the 4 th pin of CN3791 chip U1 is connected to the cathode of LED2, the anode is connected in series to R7 resistor to the 2 nd pin of the P1 connector, and the LED3 and LED2 are solar charging status indicators; a5 th pin of the CN3791 chip U1 is connected in series with a R11 resistor and then connected in series with a C24 capacitor to a power ground, a6 th pin of the CN3791 chip U1 is connected in series with a R12 resistor to a power ground, a6 th pin of the CN3791 chip U1 is connected to a1 st pin of the R8 resistor, a 2 nd pin thereof is connected to a 2 nd pin of the P1 connector, a 2 nd pin of the P1 connector is connected to a source of a Q2 fet, a gate is connected to a 10 th pin of the CN3791 chip U1, a drain thereof is connected to a1 st pin of an L1 inductor after passing through a D1 current clamping diode, a 2 nd pin of the L1 inductor is connected to a1 st pin of a R4 resistor, a 2 nd pin of the R4 resistor is filtered by C10 and a C6 capacitor to output a 4.2V power supply, R6 and a R4 resistor are connected in parallel between 6 th and 7 th pins of the CN3791 chip U1, and a drain of the Q5 is connected to a Q364.3V solar charge transistor.

The battery charging management circuit comprises a charging input interface, a charging output interface and a charging battery protection circuit, as shown in fig. 3, a core device of the battery charging management circuit is an IP5328P chip U2,

pins

14, 15, 16, 17 and 18 of the IP5328P chip U2 are connected with a pin 1 of an L2 inductor, a pin 2 of the L2 inductor is VBAT +, capacitors C21, C22, C25 and C26 are connected in parallel between the pin 2 of the L2 inductor and a power ground, and a pin 41 of the IP53 5328P chip U2 is connected with the power ground; the 13 th pin of the IP5328P chip U2 is connected with an R16 resistor in series to the power ground; a 13 th pin of the IP5328P chip U2 is connected to a cathode of an LED4, an anode series resistor R14 is connected to a12 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to an anode of an LED5, a cathode series resistor R14 is connected to a12 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to a cathode of an LED6, an anode series resistor R13 is connected to an 11 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to an anode of an LED7, a cathode series resistor R13 is connected to an 11 th pin of the IP5328P chip U2, and the

LEDs

4, 5, 6 and LED7 are battery level indicators; the 10 th pin of the IP5328P chip U2 is connected with a power ground in parallel with a resistor R17 and a resistor R18; the 20 th pin of the U2 of the IP5328P chip is connected with the 1 st pin of the R3 resistor, the 2 nd pin of the U2 is connected with the anode of an LED1, the cathode of the U2 is connected with the ground of a power supply, and the LED1 is a quick-charge indicator lamp; the 30 th pin of the IP5328P chip U2 is connected with the 7 th pin of the CWQ1100 chip U6; as shown in fig. 4, the charging input interface is a USB1, the pins A4B9, a5, A6, a7, B5, and B4a9 of the USB1 are sequentially connected to the

pins

32, 2, 5, 4, 3, and 32 of the IP5328P chip U2, the

pins

1, 2, 3, 4, B1a12, and A1B12 of the USB1 are connected to a power ground, the pins A4B9 and B4a9 of the USB1 are connected to the drain of the Q1 fet, the source is connected to the 25 th pin of the IP5328P chip U2, and the gate is connected to the 33 th pin of the IP53 5328P chip U2; the drain electrode of the Q3 field effect transistor is connected with the 30 th pin of the IP5328P chip U2, the drain electrode of the Q3 field effect transistor is connected with the drain electrode of the Q8 field effect transistor, the drain electrode of the Q3 field effect transistor is connected with the source electrode of the Q5 field effect transistor, and the gate electrode of the Q5 field effect transistor is connected with the 10 th pin of the MC32F7341A0J chip U4; as shown in fig. 5, the 1 st, 2 nd and 3 rd pins of the charging output interface USB2 are sequentially connected to the 37 th, 38 th and 39 th pins of the IP5328P chip U2, the 4 th, 5 th and 6 th pins of the USB2 are connected to the power ground, the 1 st pin of the USB2 is connected to the source of the Q4 fet, the drain is connected to the 25 th pin of the IP5328P chip U2, and the gate is connected to the 36 th pin of the IP5328P chip U2; the 1 st, 2 nd and 3 rd pins of the charging output interface USB3 are sequentially connected with the 34 th, 40 th and 1 st pins of the U2 of the IP5328P chip, the 4 th, 5 th and 6 th pins of the USB3 are connected with a power ground, the 1 st pin of the USB3 is connected with the source electrode of a Q9 field effect transistor, the drain electrode is connected with the 25 th pin of the U2 of the IP5328P chip, and the gate electrode is connected with the 35 th pin of the U2 of the IP5328P chip; as shown in fig. 6, the core device of the protection circuit for the rechargeable battery is a S-8261ABJMD-G3JT2G chip U3, a 2 nd pin of the chip U3 is connected in series with a resistor R22 to a power ground, a 3 rd pin of the chip U3 is connected to a gate of a Q6 fet, a source thereof is connected to the power ground, a drain thereof is connected to a drain of a Q7 fet, a1 st pin of the chip U3 is connected to the gate of the Q7 fet, a source thereof is connected to a6 th pin of the chip U3, a6 th pin of the chip U3 is connected to VBAT +, the BT1 battery positive terminal, the VBAT-is the BT1 battery negative terminal, and a5 th pin of the chip U3 is connected in series with a resistor R21 to the VBAT +.

As shown in fig. 7, the charge switching control circuit includes a power voltage stabilizing circuit and a control chip, a core device of the power voltage stabilizing circuit is a 1117-3.3 voltage stabilizing block U5, a 3 rd pin of the U5 is connected to the VBAT + which is an input power source of the U5, a1 st pin of the U5 is connected to a power ground, and a 2 nd pin of the U5 outputs a 3.3V power source under the filtering of capacitors C40 and C37; the control chip is a U4 type MC32F7341A0J, the 14 th pin of U4 is connected with a power ground, the 1 st pin is connected with the 3.3V power supply under the filtering of C33 and C32 capacitors, the 5 th and 6 th pins of U4 are sequentially connected with the 7 th and 6 th pins of an IP53 5328P chip U2, the 8 th pin of U4 is connected with the 10 th pin of CN3791 chip U1, the 3 rd, 2 th and 7 th pins of U4 are sequentially connected with the 3 rd, 4 th and 5 th pins of a P2 connector, the 1 st pin of the P2 connector is connected with the 3.3V power supply, the 2 nd pin is connected with the power ground, and the P2 connector is a program burning interface of U4.

Claims

1. A mobile power supply circuit supporting quick charging and wireless charging is characterized by comprising wireless charging

Receiving circuit, solar charging circuit, battery charge management circuit, the switching control circuit that charges, wireless receiving circuit that charges becomes the power that can supply the battery to charge to the electric energy that wireless charging transmitting terminal response comes through handling, solar charging circuit handles the power that can supply the battery to charge to solar cell panel's electric energy, battery charge management circuit is responsible for charging input and the output interface's that charges connection, judges the charged state, and the electric quantity is instructed, the switching control circuit that charges is responsible for the switching between two kinds of charging inputs of solar energy and wireless charging.

2. The portable power supply circuit supporting fast charging and wireless charging as claimed in claim 1, wherein the core device of the wireless charging receiving circuit is CWQ1100 chip U6, the 10 th and 11 th pins and the 22 th and 23 th pins of the CWQ1100 chip U6 are externally connected with a wireless charging induction coil, the 10 th and 11 th pins of the CWQ1100 chip U6 are connected in parallel, and then connected with a D4 diode cathode, an anode is connected with power ground, the 10 th pin of the CWQ1100 chip U6 is connected with a TP7 interface, and the TP7 interface is the 1 st connection point of the wireless charging receiving coil; the 22 nd pin of the CWQ1100 chip U6 is connected with the 1 st pin of an L3 inductor, the 2 nd pin thereof is connected with a TP9 interface, and the TP9 interface is the 2 nd connection point of the wireless charging induction coil; the 7 th pin and the 8 th pin of the CWQ1100 chip U6 are connected in parallel and then connected with the 30 th pin of the IP5328P chip U2; the pins 33 and 30 of the CWQ1100 chip U6 are sequentially connected with the pins 11 and 12 of the MC32F7341A0J chip U4 of the charging switching control circuit, and communicate with the pins to exchange data.

3. The circuit of claim 1, wherein the circuit is configured to support fast charging and wireless charging

The solar charging circuit is characterized in that a core device of the solar charging circuit is a CN3791 chip U1, a9 th pin of the CN3791 chip U1 is connected with a 2 nd pin of a P1 connector after filtering of capacitors C5, C8 and C7, a1 st pin of the P1 connector is connected with a power ground, the P1 connector is a connecting port of a solar cell panel, a 2 nd pin of the CN3791 chip U1 is connected with the power ground, a 3 rd pin of the CN3791 chip U1 is connected with a cathode of an LED3, an anode is connected with an R7 resistor in series to the 2 nd pin of the P1 connector, a4 th pin of the CN3791 chip U1 is connected with the cathode of the LED2, an anode is connected with the R7 resistor in series to the 2 nd pin of the P1 connector, and the LED3 and the LED2 are solar charging state indicating lamps; a5 th pin of the CN3791 chip U1 is connected in series with a R11 resistor and then connected in series with a C24 capacitor to a power ground, a6 th pin of the CN3791 chip U1 is connected in series with a R12 resistor to a power ground, a6 th pin of the CN3791 chip U1 is connected to a1 st pin of the R8 resistor, a 2 nd pin thereof is connected to a 2 nd pin of the P1 connector, a 2 nd pin of the P1 connector is connected to a source of a Q2 fet, a gate is connected to a 10 th pin of the CN3791 chip U1, a drain thereof is connected to a1 st pin of an L1 inductor after passing through a D1 current clamping diode, a 2 nd pin of the L1 inductor is connected to a1 st pin of a R4 resistor, a 2 nd pin of the R4 resistor is filtered by C10 and a C6 capacitor to output a 4.2V power supply, R6 and a R4 resistor are connected in parallel between 6 th and 7 th pins of the CN3791 chip U1, and a drain of the Q5 is connected to a Q364.3V solar charge transistor.

4. The mobile power supply circuit supporting fast charging and wireless charging as claimed in claim 1, wherein the battery charging management circuit includes a charging input interface, a charging output interface, and a charging battery protection circuit, the core device of the battery charging management circuit is an IP5328P chip U2, the 14 th, 15 th, 16 th, 17 th, and 18 th pins of the IP5328P chip U2 are connected to the 1 st pin of an L2 inductor, the 2 nd pin of the L2 inductor is VBAT +, capacitors C21, C22, C25, and C26 are connected in parallel between the 2 nd pin of the L2 inductor and a power ground, and the 41 th pin of the IP5328P chip U2 is connected to the power ground; the 13 th pin of the IP5328P chip U2 is connected with an R16 resistor in series to the power ground; a 13 th pin of the IP5328P chip U2 is connected to a cathode of an LED4, an anode series resistor R14 is connected to a12 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to an anode of an LED5, a cathode series resistor R14 is connected to a12 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to a cathode of an LED6, an anode series resistor R13 is connected to an 11 th pin of the IP5328P chip U2, a 13 th pin of the IP5328P chip U2 is connected to an anode of an LED7, a cathode series resistor R13 is connected to an 11 th pin of the IP5328P chip U2, and the LEDs 4, 5, 6 and LED7 are battery level indicators; the 10 th pin of the IP5328P chip U2 is connected with a power ground in parallel with a resistor R17 and a resistor R18; the 20 th pin of the U2 of the IP5328P chip is connected with the 1 st pin of the R3 resistor, the 2 nd pin of the U2 is connected with the anode of an LED1, the cathode of the U2 is connected with the ground of a power supply, and the LED1 is a quick-charge indicator lamp; the 30 th pin of the IP5328P chip U2 is connected with the 7 th pin of the CWQ1100 chip U6; the charging input interface is a USB1, pins A4B9, A5, A6, A7, B5 and B4A9 of the USB1 are sequentially connected with pins 32, 2, 5, 4, 3 and 32 of an IP5328P chip U2, pins 1, 2, 3, 4, B1A12 and A1B12 of the USB1 are connected with a power ground, pins A4B9 and B4A9 of the USB1 are connected with the drain of a Q1 field effect transistor, the source is connected with a pin 25 of an IP5328P chip U2, and the gate is connected with a pin 33 of an IP53 5328P chip U2; the drain electrode of the Q3 field effect transistor is connected with the 30 th pin of the IP5328P chip U2, the drain electrode of the Q3 field effect transistor is connected with the drain electrode of the Q8 field effect transistor, the drain electrode of the Q3 field effect transistor is connected with the source electrode of the Q5 field effect transistor, and the gate electrode of the Q5 field effect transistor is connected with the 10 th pin of the MC32F7341A0J chip U4; the 1 st, 2 nd and 3 rd pins of the charging output interface USB2 are sequentially connected with the 37 th, 38 th and 39 th pins of the IP5328P chip U2, the 4 th, 5 th and 6 th pins of the USB2 are connected with a power ground, the 1 st pin of the USB2 is connected with the source electrode of a Q4 field effect transistor, the drain electrode is connected with the 25 th pin of the IP5328P chip U2, and the gate electrode is connected with the 36 th pin of the IP5328P chip U2; the 1 st, 2 nd and 3 rd pins of the charging output interface USB3 are sequentially connected with the 34 th, 40 th and 1 st pins of the U2 of the IP5328P chip, the 4 th, 5 th and 6 th pins of the USB3 are connected with a power ground, the 1 st pin of the USB3 is connected with the source electrode of a Q9 field effect transistor, the drain electrode is connected with the 25 th pin of the U2 of the IP5328P chip, and the gate electrode is connected with the 35 th pin of the U2 of the IP5328P chip; the core device of the rechargeable battery protection circuit is an S-8261ABJMD-G3JT2G chip U3, a pin 2 of the chip U3 is connected with an R22 resistor in series to a power ground, a pin 3 of the chip U3 is connected with a grid electrode of a Q6 field effect transistor, a source electrode of the chip U3 is connected with the power ground, a drain electrode of the chip U3 is connected with a drain electrode of a Q7 field effect transistor, a pin 1 of the chip U3 is connected with the grid electrode of the Q7 field effect transistor, a source electrode of the chip U3 is connected with a pin 6 of the chip U3, a pin 6 of the chip U3 is connected with VBAT +, the VBAT + is a battery positive terminal of BT1, the VBAT-is a battery negative terminal of BT1, and a pin 5 of the chip U3 is connected with a resistor R21 in series to the VBAT +.

5. The mobile power supply circuit supporting fast charging and wireless charging is characterized in that the charging switching control circuit comprises a power supply voltage stabilizing circuit and a control chip, a core device of the power supply voltage stabilizing circuit is a 1117-3.3 voltage stabilizing block U5, a 3 rd pin of the U5 is connected with VBAT + which is an input power supply of the U5, a1 st pin of the U5 is connected with a power supply ground, and a 2 nd pin of the U5 outputs 3.3V power supply under the capacitance filtering of C40 and C37; the control chip is a U4 type MC32F7341A0J, the 14 th pin of U4 is connected with a power ground, the 1 st pin is connected with the 3.3V power supply under the filtering of C33 and C32 capacitors, the 5 th and 6 th pins of U4 are sequentially connected with the 7 th and 6 th pins of an IP53 5328P chip U2, the 8 th pin of U4 is connected with the 10 th pin of CN3791 chip U1, the 3 rd, 2 th and 7 th pins of U4 are sequentially connected with the 3 rd, 4 th and 5 th pins of a P2 connector, the 1 st pin of the P2 connector is connected with the 3.3V power supply, the 2 nd pin is connected with the power ground, and the P2 connector is a program burning interface of U4.