CN221009826U - Power Delivery USB rechargeable battery - Google Patents

Abstract

The utility model relates to the technical field of electronic digital products, in particular to a Power Delivery USB rechargeable battery, wherein a PD charger is electrically connected with external terminal equipment through a Type-C charging wire, and meanwhile, the PD charger performs information interaction with the external terminal equipment through a PD protocol; the PD charger is inside including USB-TYPE-C circuit and charging circuit, charging circuit electric connection USB-TYPE-C circuit, USB-TYPE-C circuit carries out electric connection with external terminal equipment through TYPE-C charging wire. According to the method and the device, information interaction is carried out between the PD protocol and the external terminal equipment, and the corresponding power requirements of different external terminal equipment are different, so that corresponding power requirements can be provided for different external terminal equipment under the interaction of the PD protocol, the overall adaptability of the device is improved, and the application range is enlarged.

Description

Power Delivery USB rechargeable battery

Technical Field

The utility model relates to the technical field of electronic digital products, in particular to a Power Delivery USB rechargeable battery.

Background

PD is known as Power Delivery, which is a unified charging protocol developed through the unified connector of USB type C. Ideally, as long as the device supports the PD, the device can be charged with the PD charger through a USB TypeC to TypeC line, whether the device is a notebook, a tablet or a mobile phone.

The utility model of China with the publication number CN209516644U discloses a USB rechargeable battery, which comprises a battery main body, an external positive pole buckling cap and a USB circuit board; the USB circuit board comprises a printed circuit board main body, two contact golden fingers and a charging and discharging circuit structure; the two contact golden fingers are divided into a USB plug negative end and a USB plug positive end, and when in charging and discharging, a charging current setting or switching-off circuit, a charging control circuit, a DC/DC voltage reduction circuit, a working mode control circuit and a voltage identification circuit in a charging and discharging circuit structure are utilized to form a circuit structure so as to jointly complete the functions of charging and discharging management of the lithium battery in the USB rechargeable battery. Because the positive end of the USB plug is an electrical connection point of three-in-one of the voltage identification port, the charging port and the load port, the voltage identification circuit can monitor an external load or a charging power supply at any time, the internal circuit of the battery is protected from being damaged due to misuse, meanwhile, the circuit is simplified, and the reliability of the circuit is improved. However, the USB rechargeable battery cannot charge different power devices, has strong singleness and cannot adapt to the rapid development of society.

Disclosure of utility model

The present utility model is directed to a Power Delivery USB rechargeable battery, which solves the above-mentioned problems.

The technical scheme of the utility model is as follows: a Power Delivery USB rechargeable battery comprises a PD charger and a USB Type-C charging wire, wherein the PD charger is electrically connected with external terminal equipment through the Type-C charging wire, and meanwhile, the PD charger performs information interaction with the external terminal equipment through a PD protocol;

The PD charger is inside including USB-TYPE-C circuit and charging circuit, charging circuit electric connection USB-TYPE-C circuit, USB-TYPE-C circuit carries out electric connection with external terminal equipment through TYPE-C charging wire.

Furthermore, the PD protocol performs information interaction with external terminal equipment through a USB-TYPE-C circuit.

Still further, the USB-TYPE-C circuit comprises a chip U2, wherein a GND port and a GND1 port of the chip U2 are both grounded, a CC1 port of the chip U2 is grounded through a resistor R3, a CC2 port of the chip U2 is grounded through a resistor R4, and meanwhile, a VBUS port and a VBUS1 port of the chip U2 are both electrically connected with OUT1.5V output ports.

Further, the charging circuit includes a chip U1, a 1SET port of the chip U1 is electrically connected to a resistor R1, a BAT port of the chip U1 is electrically connected to an anode of a power BAT, a capacitor C1 and an anode of a diode LED1, a cathode of the power BAT and the capacitor C1 are both electrically connected to a GND port of the chip U1, a cathode of the diode LED1 is electrically connected to an LED port of the chip U1, and both the resistor R1 and the GND port of the chip U1 are grounded;

The VAP/OUT2 port and the VAP/OUT1 port of the chip U1 are electrically connected with a resistor R2 and a capacitor C2, the SW1 port and the SW2 port of the chip U1 are electrically connected with an inductor L1, the inductor L1 is electrically connected with the resistor R2 and the capacitor C2, the capacitor C2 is grounded, and the resistor R2 is electrically connected with the OUT1.5V output port.

Still further, the external terminal devices include, but are not limited to, notebooks, tablets, and cell phones.

The utility model provides a Power Delivery USB rechargeable battery through improvement, which has the following improvements and advantages compared with the prior art:

According to the utility model, the Power Delivery rechargeable battery performs information interaction with the external terminal equipment through the PD protocol, and because the corresponding Power requirements of different external terminal equipment are different, under the interaction of the PD protocol, the USB-TYPE-C circuit can provide corresponding Power requirements for different external terminal equipment according to the interaction information, so that the corresponding charging circuit in the external terminal equipment is also protected in the process of charging the external terminal equipment, and the overall adaptability of the external terminal equipment is further improved, and the application range is also expanded.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a circuit diagram of a USB-TYPE-C circuit of the utility model;

Fig. 2 is a circuit diagram of the charging circuit of the present utility model.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.

Referring to fig. 1 and 2, the present embodiment provides a Power Delivery USB rechargeable battery including a PD charger and an USB Type-C charging cord. The PD charger is electrically connected with the external terminal equipment through the Type-C charging wire, and meanwhile, the PD charger performs information interaction with the external terminal equipment through a PD protocol. Notably, external terminal devices include, but are not limited to, notebooks, tablets, and cell phones. Specifically, because the Power requirements corresponding to different external terminal devices are different, the PD protocol is required to perform information interaction between the Power Delivery rechargeable battery and the external terminal device. That is, after the PD protocol determines the Power consumption requirement of the external terminal device, the PD protocol sends the Power consumption requirement to the Power Delivery rechargeable battery, and after the Power Delivery rechargeable battery receives the Power consumption requirement, the Power Delivery rechargeable battery transmits corresponding current and voltage to the external terminal device according to the Power consumption requirement, so as to meet the Power consumption requirement of the external terminal device, thereby providing corresponding Power consumption requirements for different external terminal devices, improving the overall adaptability of the external terminal device, and expanding the application range.

In this embodiment, the inside of the PD charger includes a USB-TYPE-C circuit and a charging circuit. The charging circuit is electrically connected with the USB-TYPE-C circuit, and the USB-TYPE-C circuit is electrically connected with the external terminal equipment through the TYPE-C charging wire. It is noted that the PD protocol performs information interaction with the external terminal device through a specific pin in the USB-TYPE-C circuit, and supplies power to the external terminal device with different power requirements through the information interaction, so that the charging circuit in the corresponding external terminal device is also protected in the charging process.

In this embodiment, the USB-TYPE-C circuit comprises a chip U2. The GND port and the GND1 port of the chip U2 are both grounded, the CC1 port of the chip U2 is electrically connected to the resistor R3, the CC2 port of the chip U2 is electrically connected to the resistor R4, the VBUS port of the chip U2 and the VBUS1 port are both electrically connected to the OUT1.5V output port, and the resistor R3 and the resistor R4 are both grounded.

In this embodiment, the charging circuit includes a chip U1. The 1SET port of the chip U1 is electrically connected with the resistor R1, the BAT port of the chip U1 is electrically connected with the anode of the power supply BAT, the capacitor C1 and the anode of the diode LED1, the cathode of the power supply BAT and the capacitor C1 are electrically connected with the GND port of the chip U1, the cathode of the diode LED1 is electrically connected with the LED port of the chip U1, and meanwhile, the resistor R1 and the GND port of the chip U1 are grounded. The VAP/OUT2 port and the VAP/OUT1 port of the chip U1 are electrically connected with the resistor R2 and the capacitor C2, the SW1 port and the SW2 port of the chip U1 are electrically connected with the inductor L1, the inductor L1 is electrically connected with the resistor R2 and the capacitor C2, the capacitor C2 is grounded, and the resistor R2 is electrically connected with the OUT1.5V output port.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The Power Delivery USB rechargeable battery is characterized by comprising a PD charger and an USB Type-C charging wire, wherein the PD charger is electrically connected with external terminal equipment through the Type-C charging wire, meanwhile, the PD charger performs information interaction with the external terminal equipment through a PD protocol, and the PD protocol performs information interaction with the external terminal equipment through a USB-TYPE-C circuit;

The PD charger comprises a USB-TYPE-C circuit and a charging circuit, wherein the charging circuit is electrically connected with the USB-TYPE-C circuit, and the USB-TYPE-C circuit is electrically connected with external terminal equipment through a TYPE-C charging wire;

The USB-TYPE-C circuit comprises a chip U2, wherein a GND port and a GND1 port of the chip U2 are both grounded, a CC1 port of the chip U2 is grounded through a resistor R3, a CC2 port of the chip U2 is grounded through a resistor R4, and meanwhile, a VBUS port and a VBUS1 port of the chip U2 are both electrically connected with OUT1.5V output ports;

the charging circuit comprises a chip U1, wherein a 1SET port of the chip U1 is electrically connected with a resistor R1, a BAT port of the chip U1 is electrically connected with an anode of a power supply BAT, a capacitor C1 and an anode of a diode LED1, a cathode of the power supply BAT and the capacitor C1 are both electrically connected with a GND port of the chip U1, a cathode of the diode LED1 is electrically connected with an LED port of the chip U1, and meanwhile, the resistor R1 and the GND port of the chip U1 are both grounded;

The VAP/OUT2 port and the VAP/OUT1 port of the chip U1 are electrically connected with a resistor R2 and a capacitor C2, the SW1 port and the SW2 port of the chip U1 are electrically connected with an inductor L1, the inductor L1 is electrically connected with the resistor R2 and the capacitor C2, the capacitor C2 is grounded, and the resistor R2 is electrically connected with the OUT1.5V output port.