TWI774914B - power management receiver - Google Patents

Abstract

The present invention relates to a power management receiver, which is a single-chip integrated circuit, including a rectifier unit, a voltage regulator unit, a data interface unit, a modulation unit, a demodulation unit and an analog-to-digital converter unit, and the power management receiver is connected to To the charger, the main chip of the system and the receiving coil, it provides the receiving function of the charging power. After the voltage regulator unit is powered on, it generates a power good signal to the system main chip, and executes the wireless charging protocol application program to generate the system interface signal for communication and data transmission with the data interface unit. In particular, the power management receiver can provide the first transmission channel from the system main chip to the power management transmitter and from the power management transmitter to the system main chip without configuring a memory module and without using a firmware program or software program the second transmission channel.

Description

power management receiver

The present invention relates to a power management receiver, in particular, a data interface unit connected to a system main chip is used to provide a data transmission channel between a power management transmitter and a system main chip, and to realize power management and provide a regulated power supply, The system main chip generates data according to the wireless charging protocol to control the operation of the power management receiver and communicate with the power management transmitter.

With the increasing functions of portable electronic devices, the power consumption speed is also greatly accelerated, which makes charging more frequent, causing inconvenience in use. For example, a smart phone may need to be charged multiple times in a day. Although increasing the capacity of the battery can reduce the number of charging times, or only need to charge it once a day, and partially solve the problem of inconvenient charging, the accompanying problem is that it is not easy to find a rechargeable power supply in many occasions, especially in when outdoors. Of course, carrying a large-capacity power bank or power bank with you can be charged at any time. However, the general power bank or power bank is too bulky and quite heavy, so it is not suitable for carrying around.

Therefore, the relevant industry has developed a wireless charging solution. The wireless charging receiver device is placed close to the charging board equipped with the wireless charging transmitter device, and the wireless charging transmitter device wirelessly transmits the charging power to the wireless charging receiver device. Wireless charging purpose. In other words, a mobile phone with a wireless charging function can be directly placed on the charging pad for charging, without the need to use a charging cable or a charging adapter (Adapter), which improves the convenience of charging.

As we all know, the charging time is shortened with the increase of the charging power. Therefore, how to effectively increase the charging power to shorten the charging time and improve the charging convenience has always been one of the main issues to be solved in the industry. Generally speaking, increasing the charging power can be achieved by increasing the output voltage or output current, but limited by the chip process, high-voltage chip components usually do not include a memory module. Therefore, a chip that requires a memory module to operate Therefore, the conventional technology must use a high-voltage-resistant power management chip and a controller for low-voltage operation.

Further, the main function of the controller is to establish a communication channel for bidirectional communication between the wireless charging transmitter device and the wireless charging receiver device, so as to realize the electrical operation of the wireless charging protocol, ensure the correctness of the charging parameters and ensure the accuracy of the charging process. safety.

However, the disadvantage of the above-mentioned conventional technology is that the area of the mobile phone that can be equipped with electrical components is quite limited. Implemented on a highly functional smartphone.

Therefore, there is a great need for a power management receiver, which is a single chip, which can be configured on a mobile phone to provide wireless charging and receiving functions, and can execute specific wireless charging by the system main chip without any firmware or software configuration. The charging protocol application (APP) transmits specific commands or data according to the wireless charging protocol and then transmits it to the power management transmitter to achieve the communication function of two-way communication between the power management receiver and the power management transmitter. The specific effect of power charging can effectively solve all the problems of the above-mentioned prior art.

The main purpose of the present invention is to provide a power management receiver, which is a single-chip integrated circuit, including a rectifier unit, a voltage regulator unit, a data interface unit, a modulation unit, and a demodulation unit. A unit and an analog-to-digital converter (ADC) unit, and the power management receiver is connected to the charger, the system main chip and the receiving coil to provide the receiving function of the charging power.

The main chip of the system is further connected to the antenna to realize the wireless communication function, and the receiving coil is close to and does not touch the transmitting coil, and the transmitting coil current of the transmitting coil is generated by magnetic induction to generate AC power, wherein the transmitting coil current is connected by the connection. Driven by a power management transmitter to the transmit coil.

Specifically, the rectifier unit is connected to the receiving coil to receive the AC power, and rectified to generate and transmit the rectified power, while the voltage stabilization unit is connected to the rectifier unit to receive the rectified power, and to generate and transmit it after voltage stabilization Output power to the charger and use it as a charging power source to charge the battery. The data interface unit is connected to the voltage regulator unit and the system main chip, and transmits data with the system main chip through the system interface signal, and uses the data from the system main chip to generate voltage regulation control signals and modulation transmission signals, and stabilize the voltage. The control signal is sent to the voltage regulator unit.

The modulation unit is connected with the data interface unit and the receiving coil, and is used for receiving the modulation transmission signal, and after modulation processing, the AC power is subjected to load modulation and transmitted to the receiving coil. The demodulation unit is connected to the data interface unit and the receiving coil for receiving AC power. After demodulation processing, the demodulated transmission signal is taken out and sent to the data interface unit. The demodulated transmission signal is generated by the power management transmitter. It is superimposed and included in the AC power supply by the transmitting coil and the receiving coil.

The analog-to-digital converter unit is connected to the data interface unit, and is used for converting a plurality of analog internal signals in the power management receiver into digital internal sensing signals and transmitting them to the data interface unit, wherein the internal signals include output power, rectified power supply voltage or current to and temperature sensing signals.

Further, the data interface unit includes a system interface unit, a data receiving unit, a data transmission unit, an operation parameter temporary storage unit, a received data temporary storage unit and a transmission data temporary storage unit, wherein the system interface unit is connected to the operation parameter temporary storage unit, the received data temporary storage unit The storage unit and the transmission data temporary storage unit, and the data reception unit and the data transmission unit are respectively connected to the reception data temporary storage unit and the transmission data temporary storage unit, and the system interface unit is connected to the system main chip for receiving or transmitting system interface signals, and The operation parameters and data from the main chip of the system are respectively stored in the operation parameter temporary storage unit and the transmission data temporary storage unit. The operation parameter temporary storage unit and the transmission data temporary storage unit are further connected to the voltage stabilization unit and the modulation unit respectively, and are used for transmitting the operation parameters and data to the voltage stabilization unit and the modulation unit via the voltage stabilization control signal and the modulation transmission signal.

In addition, the receiving data temporary storage unit receives the data from the data receiving unit, and transmits the data to the system interface unit, and then transmits the data to the system main chip through the system interface signal. Furthermore, the data receiving unit is connected to the demodulation unit for receiving the demodulated transmission signal, and also generates a reception interrupt signal and transmits it to the system main chip for informing the system main chip to read the data in the received data temporary storage unit.

Further, when the voltage regulator unit obtains the rectified power to generate the operating power required by the data interface unit, the modulation unit, the demodulation unit and the ADC unit, a power good signal is generated at the same time, and after receiving the power good signal, the system main chip, Start the wireless charging protocol application program (APP), and generate corresponding data according to the wireless charging protocol, and transmit it in the form of system interface signal, and then pass through the system interface unit of the data interface unit, the data temporary storage unit, and the data transmission unit. , and the modulation unit and the receiving coil are transmitted to the transmitting coil, completing the first transmission channel from the system main chip to the power management transmitter.

In addition, the data from the transmitting coil can be transmitted to the system main chip in the form of a system interface signal through the demodulation unit, the data receiving unit of the data interface unit, the temporary storage unit of the received data, and the system interface unit, and the power management transmitter is completed. A second transfer channel to the system master wafer.

Therefore, the present invention can provide the first transmission channel and the second transmission channel, so as to realize the two-way communication function between the power management transmitter and the system main chip, and the wireless charging protocol application (APP) of the system main chip leads the receiving end. Control process to comply with the wireless charging protocol.

10‧‧‧Power Management Receiver

11‧‧‧Rectifier unit

12‧‧‧Regulator unit

13‧‧‧Data Interface Unit

14‧‧‧Modulation unit

15‧‧‧Demodulation unit

16‧‧‧ADC unit

17‧‧‧Bluetooth Unit

20‧‧‧Charger

30‧‧‧System main chip

31‧‧‧Wireless charging protocol application (APP)

A‧‧‧Regulatory control signal

B‧‧‧modulate the transmission signal

BT‧‧‧battery

C‧‧‧Demodulate the transmission signal

D‧‧‧Internal sensing signal

E‧‧‧Bluetooth data signal

F‧‧‧Wireless Bluetooth Signal

DRX‧‧‧Data Receiving Unit

DTX‧‧‧Data Transmission Unit

IF‧‧‧System interface signal

INT_RX‧‧‧Receive interrupt signal

ITF‧‧‧System Interface Unit

ITX‧‧‧transmitting coil current

PG‧‧‧Power Good Signal

RL‧‧‧Receiver coil

RGP‧‧‧Operating parameter temporary storage unit

RGR‧‧‧Received data temporary storage unit

RGT‧‧‧Transmission data temporary storage unit

TL‧‧‧Transmitter Coil

TN‧‧‧Antenna

TX‧‧‧Power Management Transmitter

VAC‧‧‧AC power supply

VC‧‧‧Charging Power Supply

VO‧‧‧output power

VR‧‧‧Rectified power supply

The first figure shows a schematic diagram of a functional block and a system application of a power management receiver according to an embodiment of the present invention.

The second figure shows a functional block diagram of a data interface unit in a power management receiver according to an embodiment of the present invention.

The embodiments of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement them after studying the description.

Please refer to FIG. 1 , which is a schematic diagram of a functional block and a system application of a power management receiver according to an embodiment of the present invention. As shown in the first figure, the power management receiver 10 of the present invention is a single-chip integrated circuit, which is connected to the charger 20, the system main chip 30 and the receiving coil RL, and the power management receiver 10 includes a rectifier unit 11, The voltage regulator unit 12 , the data interface unit 13 , the modulation unit 14 , the demodulation unit 15 and the ADC unit 16 .

The above-mentioned receiving coil RL can be close to the transmitting coil TL without touching the transmitting coil. The transmitting coil current ITX of the ray coil TL generates the AC power VAC by magnetic induction, wherein the transmitting coil current ITX is driven by the power management transmitter TX connected to the transmitting coil TL. The rectifying unit 11 is connected to the receiving coil RL for receiving the AC power VAC, and after rectification, generates a rectified power VR and transmits it to the voltage regulator unit 12 , and generates a stable output power VO after being regulated, and transmits it to the charger 20 . The charger 20 is connected to the battery BT, and uses the output power VO from the voltage regulator unit 12 to generate the charging power VC to charge the battery BT.

The system main chip 30 is connected to the antenna TN for realizing wireless communication functions, such as 4G or 5G mobile phone communication.

Specifically, the data interface unit 13 is connected to the voltage regulator unit 12 , the modulation unit 14 , the demodulation unit 15 and the ADC unit 16 , and transmits the system main chip data to the system main chip 30 via the system interface signal IF, Further, the data interface unit 13 uses the system main chip data sent by the system main chip 30 to generate the voltage regulation control signal A and the modulation transmission signal B, and send them to the voltage regulation unit 12 and the modulation unit 14 respectively. In addition, the data interface unit 13 receives the demodulated transmission signal C and the internal sensing signal D from the demodulation unit 15 and the ADC unit 16 respectively, and generates corresponding data for the system main chip 30 to read. In particular, the data interface unit 13 also changes or adjusts the voltage-stabilizing control signal A with reference to the internal sensing signal D, so as to optimize the efficiency of the voltage-stabilizing unit 12 .

Furthermore, the voltage regulator unit 12 uses the rectified power supply VR to generate the operating power (not shown in the figure) required by the data interface unit 13, the modulation unit 14, the demodulation unit 15 and the ADC unit 16, and supplies the output power VO, while generating And send the power good signal PG to the system main chip 30 to notify the system main chip 30 that the power management receiver 10 of the present invention has obtained power and can operate normally. The stored wireless charging protocol application program (APP) 31 generates a system interface signal IF to communicate and transmit data with the data interface unit 13 .

Furthermore, the modulation unit 14 is connected to the receiving coil RL, and the modulation transmission signal B from the data interface unit 13 is used for modulation processing by the modulation unit 14 to generate load modulation on the AC power supply VAC, and further It is transmitted to the receiving coil RL and transmitted to the transmitting coil TL. On the other hand, the demodulation unit 15 is connected to the receiving coil RL for receiving the AC power VAC, and the AC power VAC includes the demodulated transmission signal C, which is transmitted to the receiving coil by the power management transmitter TX by driving the transmitting coil TL RL, and the demodulation unit 15 extracts and generates a demodulated transmission signal C after demodulating the AC power source VAC, and transmits it to the data interface unit 13 . In short, the demodulated transmission signal C is generated by the power management transmitter TX, and is superimposed by the transmitting coil TL and the receiving coil RL and contained in the AC power source VAC.

The ADC unit 16 converts a plurality of analog internal signals in the power management receiver 10 into a digital internal sensing signal D, and transmits it to the data interface unit 13. The internal signal may include the output power VO, the rectified power VR, or The corresponding currents of the output power VO and the rectified power VR, of course, may also include a temperature sensing signal (not shown in the figure).

Again, the above-mentioned modulated transmission signal B and demodulated transmission signal C include the system main chip data and the transmitter data, respectively, wherein the system main chip data is generated by the system main chip 30 and transmitted to the data interface unit by the system interface signal IF 13, and the transmitter data is generated by the power management transmitter TX and transmitted to the demodulation unit 15 by the AC power supply VAC, and then transmitted to the data interface unit 13 by the demodulated transmission signal C. In short, the purpose of bidirectional communication and communication is achieved between the system main chip 30 and the power management transmitter TX through the data interface unit 13 . For example, the modulation of the transmission signal B and the demodulation of the transmission signal C can be achieved by using Amplitude Shift Key (ASK) and Frequency Shift Key (FSK) modulation and demodulation techniques.

It is obvious that the processing steps of the overall wireless charging protocol are determined by the system The main chip 30 dominates, and the data interface unit 13 of the power management receiver 10 is only responsible for data transmission. Therefore, the overall structure of the power management receiver 10 is simple, easy to operate, and has excellent reliability and stability.

Further referring to the second figure, a functional block diagram of a data interface unit in a power management receiver according to an embodiment of the present invention, wherein the data interface unit 13 mainly includes a system interface unit ITF, a data receiving unit DRX, a data transmission unit DTX, and a temporary storage of operation parameters. The unit RGP, the received data temporary storage unit RGR and the transmission data temporary storage unit RGT, wherein the system interface unit ITF is connected to the operation parameter temporary storage unit RGP, the received data temporary storage unit RGR and the transmission data temporary storage unit RGT, and the data receiving units DRX, The data transmission unit DTX is respectively connected to the receiving data temporary storage unit RGR and the transmission data temporary storage unit RGT.

For example, the system interface unit ITF can include a two-wire or single-wire serial interface to provide two-wire or single-wire serial interface functions, such as I two-wire 2C (Inter-Integrated Circuit Bus), single-wire OWI (one wire interface). Specifically, the system interface unit ITF is connected to the system main chip 30 to receive or transmit the system interface signal IF, and to store the operating parameters and data from the system main chip 30 to the operation parameter temporary storage unit RGP, and to transmit the data temporarily. The unit RGT, in addition, the operation parameter temporary storage unit RGP and the transmission data temporary storage unit RGT are further connected to the voltage regulation unit 12 and the modulation unit 14, respectively, for transmitting the operational parameters and The data is supplied to the voltage regulator unit 12 and the modulation unit 14 . On the other hand, the receiving data temporary storage unit RGR receives the data from the data receiving unit DRX, and transmits the data to the system interface unit ITF, and then transmits the data to the system main chip 30 via the system interface signal IF.

Furthermore, the data receiving unit DRX is connected to the demodulation unit 15 for receiving the demodulated transmission signal C, and also generates a reception interrupt signal INT_RX, and transmits it to the system main chip 30, It is used to notify the system main chip 30 to read the data in the received data temporary storage unit RGR.

For a clearer understanding of the features of the present invention, an exemplary mode of operation will be described below.

First, when the voltage regulator unit 12 obtains the rectified power supply VR to generate the operating power required by the data interface unit 13, the modulation unit 14, the demodulation unit 15 and the ADC unit 16, the power good signal PG can be simultaneously generated, and the system main chip 30 After receiving the power good signal PG, start the wireless charging protocol application (APP) 31, and according to the wireless charging protocol, generate the corresponding system master chip data, and transmit it in the form of the system interface signal IF, and then pass the data interface The system interface unit ITF of the unit 13, the data transmission temporary storage unit RGT, the data transmission unit DTX, the modulation unit 14, the receiving coil RL are transmitted to the transmitting coil TL, and the first transmission from the system main chip 30 to the power management transmitter TX is completed. transmission channel.

Then, according to the wireless charging protocol, the system main chip 30 can transmit a plurality of system main chip data.

Afterwards, the transmitter data transmitted from the power management transmitter TX through the transmitting coil TL can pass through the demodulation unit 15, the data receiving unit DRX of the data interface unit 13, the receiving data temporary storage unit RGR, the system interface unit ITF, and the system interface The form of the signal IF is transmitted to the system main chip 30 to complete the second transmission channel from the power management transmitter TX to the system main chip 30 .

To sum up, the present invention provides a first transmission channel and a second transmission channel to realize the bidirectional communication function between the power management transmitter TX and the system main chip 30, and the wireless charging protocol application program (APP) of the system main chip 30 is implemented. ) 31 dominates the control process of the receiving end, so as to comply with the requirements of the wireless charging protocol. In other words, the power management receiver 10 of the present invention does not essentially control the process of wireless charging, but only provides the first transmission channel and the second transmission channel, which obviously does not It is the same as the technical content that generally uses a microprocessor or a microcontroller to control data transmission by executing a software program or firmware program pre-stored in a non-volatile memory to meet the requirements of the wireless charging protocol. Therefore, the power management receiver 10 of the present invention does not include any microprocessor or microcontroller, nor does it include any non-volatile memory, and does not need to configure any software program or firmware program, so the overall structure is simple and the operation is greatly improved reliability and stability.

Furthermore, the power management receiver 10 of the present invention may further include a bluetooth unit 17 connected to the data interface unit 13 for receiving or transmitting the bluetooth data signal E, thereby providing a wireless bluetooth function and utilizing the wireless bluetooth The signal F performs wireless bluetooth communication to the power management transmitter TX with wireless bluetooth function. In essence, the Bluetooth unit 17 is connected to the data transmitting unit DTX and the data receiving unit DRX shown in the second figure. Therefore, a wired Bluetooth communication channel can be established between the power management transmitter TX and the system main chip 30 through the power management receiver 10 of the present invention, so as to realize the wireless charging protocol. Of course, the above-mentioned Bluetooth unit 17 can also be replaced by a wireless communication unit such as WiFi, Zigbee, or Near Field Communication (NFC).

In order to illustrate the technical features of the present invention, the actual operation details of the present invention will be exemplarily demonstrated below.

In terms of the wireless charging communication protocol, when the system main chip 30 and the power management transmitter TX need to transmit data to each other, the required data must be transmitted in a packet, wherein the system main chip 30 transmits to the power management transmitter. The receiver packet of the TX contains a preamble, a header, a message, a verification sum (Check Sum), and the transmitter packet transmitted by the power management transmitter TX to the system main chip 30 only contains the mark. Header, Message, Check Sum, it should be noted that the header is used for the transmitter to synchronize, the header is to indicate the type of the packet, and the message is the data to be transmitted. Verify and are used to For the receiver to verify whether the received packet contains the correct value according to the preset algorithm.

If the system main chip 30 transmits a piece of data to the power management transmitter TX, the system main chip 30 must generate the contents of the receiver packet according to the wireless charging protocol, and transmit the data through the first transmission channel provided by the power management receiver 10 of the present invention. Sent to the power management transmitter TX. Likewise, the power management transmitter TX must generate the content of the transmitter packet and transmit it to the system main chip 30 through the second transmission channel provided by the power management receiver 10 of the present invention. Therefore, in the wireless charging protocol, the power management receiver 10 of the present invention is only responsible for the intermediary function of data transfer, and the overall control is on the system main chip 30 . Of course, the data transmitting unit DTX and the data receiving unit DRX of the present invention can perform necessary encoding and decoding functions, such as bi-phase encoding and decoding (Bi-Phase Encode/Decode) specified by the protocol.

In terms of power management of wireless charging, the power management receiver 10 of the present invention utilizes the operating parameter temporary storage unit RGP to transmit the operating parameters received by the system interface unit ITF from the system main chip 30 to the voltage regulator unit 12 for controlling the output power VO , such as the voltage, current, and power of the output power supply VO.

To sum up, the main feature of the present invention is to realize the agreement of power management and wireless charging, without configuring a memory module and without using a firmware program or software program, the power management receiver is used to provide the power supply from the system main chip to the power supply. The first transmission channel of the management transmitter and the second transmission channel from the power management transmitter to the system main chip specifically realize the bidirectional communication function between the system main chip and the power management transmitter. At the same time, the system main chip, the power management chip The transmitter generates and transmits specific data or instructions according to the wireless charging protocol, and communicates with each other through the first transmission channel and the second transmission channel, especially the system main chip dominates the entire operation. Therefore, in contrast to traditionally using a microcontroller to execute a firmware program to generate and transmit packets conforming to the wireless charging protocol Compared with the receiver that receives, judges and analyzes the packets from the transmitter, the power management receiver of the present invention uses different specific technical implementation means, and the wireless charging protocol is processed by the system main chip.

In addition, another feature of the present invention is to utilize a wireless communication unit connected to the data interface unit, such as a Bluetooth unit, a WiFi unit, a Zigbee unit, and an NFC unit, to receive or transmit a Bluetooth data signal, thereby providing a wireless Bluetooth function , and use the wireless bluetooth signal to carry out wireless bluetooth communication to the power management transmitter with wireless bluetooth function, realize the two-way communication channel between the power management transmitter and the system main chip, thus realize the wireless charging agreement and effectively control the output The electrical characteristics of the power supply, such as voltage, current, and power, improve the overall power conversion efficiency and power supply quality.

Since the technology of the present invention has not been found in published publications, periodicals, magazines, media, and exhibition venues, it is novel, and can break through the current technical bottleneck and be implemented concretely, which is indeed progressive. In addition, the present invention can solve the problems of the conventional technology, improve the overall use efficiency, and achieve the value with industrial applicability.

The above descriptions are only used to explain the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Therefore, any modification or change of the present invention should be made within the same spirit of the invention. , all should still be included in the scope of the intended protection of the present invention.

10‧‧‧Power Management Receiver

11‧‧‧Rectifier unit

12‧‧‧Regulator unit

13‧‧‧Data Interface Unit

14‧‧‧Modulation unit

15‧‧‧Demodulation unit

16‧‧‧ADC unit

17‧‧‧Bluetooth Unit

20‧‧‧Charger

30‧‧‧System main chip

31‧‧‧Wireless charging protocol application (APP)

A‧‧‧Regulatory control signal

B‧‧‧modulate the transmission signal

BT‧‧‧battery

C‧‧‧Demodulate the transmission signal

D‧‧‧Internal sensing signal

E‧‧‧Bluetooth data signal

F‧‧‧Wireless Bluetooth Signal

IF‧‧‧System interface signal

ITX‧‧‧transmitting coil current

PG‧‧‧Power Good Signal

RL‧‧‧Receiver coil

TL‧‧‧Transmitter Coil

TN‧‧‧Antenna

TX‧‧‧Power Management Transmitter

VAC‧‧‧AC power supply

VC‧‧‧Charging Power Supply

VO‧‧‧output power

VR‧‧‧Rectified power supply

Claims (6)

A power management receiver, which is a single-chip integrated circuit, is connected to a charger, a system main chip and a receiving coil, and the system main chip is further connected to an antenna for realizing a wireless communication function, and When the receiver coil is close to and not in contact with a transmitter coil, a transmitter coil current of the transmitter coil generates an AC power by magnetic induction, and the transmitter coil current is controlled by a power management transmitter connected to the transmitter coil. Drive, the power management receiver includes: a rectifier unit, connected to the receiving coil, for receiving the AC power, and after rectification to generate and transmit a rectifier power; a voltage regulator unit, connected to the rectifier unit, for receiving the rectified power supply, and generating and transmitting an output power supply to a charger after stabilizing the voltage, the charger receiving the output power supply and generating and outputting a charging power supply for charging a battery connected to the charger; a The data interface unit is connected to the voltage regulator unit and the system main chip, and transmits data with the system main chip through a system interface signal, and uses the data from the system main chip to generate a voltage regulation control signal and a modulate the transmission signal, and transmit the voltage stabilization control signal to the voltage stabilization unit; a modulation unit is connected to the data interface unit and the receiving coil for receiving the modulation transmission signal and subjected to a modulation process Then, a load modulation effect is generated on the AC power supply; a demodulation unit is connected to the data interface unit and the receiving coil for receiving the AC power supply, and after a demodulation process, takes out the AC power supply. A demodulated transmission signal is sent to the data interface unit, the demodulated transmission signal is generated by the power management transmitter, superimposed by the transmitting coil and the receiving coil and contained in the AC power supply; and an analog to a digital converter (Analog-to-digital converter, ADC) unit, connected to the data interface unit, for converting a plurality of analog internal signals in the power management receiver into digital internal sensing signals, and sending them to In the data interface unit, the internal signal includes a temperature sensing signal; The data interface unit includes a system interface unit, a data receiving unit, a data transmission unit, an operation parameter temporary storage unit, a received data temporary storage unit and a transmission data temporary storage unit, and the system interface unit is connected to the operation parameter A temporary storage unit, the received data temporary storage unit and the transmission data temporary storage unit, and the data reception unit and the data transmission unit are respectively connected to the received data temporary storage unit, the transmission data temporary storage unit, and the system interface unit is connected The system main chip is used to receive or transmit the system interface signal, and store the operation parameters and data from the system main chip to the operation parameter temporary storage unit and the transmission data temporary storage unit respectively, and the operation parameter temporary storage unit and the transmission data temporary storage unit is further connected to the voltage stabilization unit and the modulation unit, respectively, for transmitting the operating parameters and data to the voltage stabilization unit and the modulation unit via the voltage stabilization control signal and the modulation transmission signal. A variable unit, the receiving data temporary storage unit receives data from the data receiving unit, and transmits it to the system interface unit, and then transmits the signal to the system main chip through the system interface, and the data receiving unit is connected to the demodulation unit is used to receive the demodulated transmission signal, and at the same time, it also generates a reception interrupt signal and transmits it to the system main chip to notify the system main chip to read the data in the received data temporary storage unit. According to the power management receiver described in item 1 of the patent application scope, the wireless communication function includes a 4G or 5G mobile phone communication function. According to the power management receiver described in item 1 of the scope of the application, wherein the voltage regulator unit generates the data interface unit, the modulation unit, the demodulation unit and the analog-to-digital converter unit after obtaining the rectified power supply. When the operating power is required, a power-good signal is generated at the same time, and the system main chip starts a wireless charging protocol application (APP) after receiving the power-good signal, and generates corresponding data according to the wireless charging protocol, And it is transmitted in the form of the system interface signal, and then transmitted to the transmitting coil through the system interface unit of the data interface unit, the transmission data temporary storage unit, the data transmission unit, the modulation unit, and the receiving coil to form A first transmission channel from the system main chip to the power management transmitter, and from the transmitter forms a first transmission channel from the system main chip to the power management transmitter, and data from the transmit coil is passed through The demodulation unit, the data receiving unit of the data interface unit, the temporary storage unit of the received data, and the system interface unit are transmitted to the system main chip in the form of the system interface signal, forming the transmission from the power management transmitter to the system interface unit. A second transfer channel of the system main chip. The power management receiver according to item 1 of the scope of the application further comprises a bluetooth unit connected to the data transmitting unit and the data receiving unit of the data interface unit for receiving or transmitting a bluetooth data signal , and the bluetooth unit utilizes a wireless bluetooth signal to perform wireless bluetooth communication on the power management transmitter with wireless bluetooth function to provide wireless bluetooth function. According to the power management receiver of claim 1, the system interface unit includes a two-wire or one-wire serial interface for providing two-wire or one-wire serial interface functions. According to the power management receiver described in claim 5, the two-wire serial interface includes I2C (Inter-Integrated Circuit Bus), and the one-wire serial interface includes OWI (one wire interface).

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