CN218416770U

CN218416770U - Novel multi-protocol USB quick-charging circuit board

Info

Publication number: CN218416770U
Application number: CN202221539523.XU
Authority: CN
Inventors: 王俊扬; 吴登林; 吴国强
Original assignee: Jiangsu Haosai Technology Co ltd
Current assignee: Jiangsu Haosai Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-01-31
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a novel multiprotocol USB fill circuit board soon, including the circuit board main part, a plurality of chips are installed to the one side of circuit board main part, and every chip all is linked together through solitary transmission line and the USB interface of installing at circuit board main part another side, and this device adopts two-sided paster, simple structure, because IP6525T chip function is abundant, and area is little, consequently makes whole device structure reduce, realizes miniaturized structural design, and installation space is compact, and the reliability that has improved whole device is high.

Description

Novel multi-protocol USB quick-charging circuit board

Technical Field

The utility model relates to a novel many agreements USB fill circuit board soon.

Background

The charger is one of the common devices in life at present, and the USB charger is one of the most common charger types to realize the charging of various mobile phones and the like.

After the USB charger in the prior art is known, it is found that the USB fast-charging circuit board in the USB charger in the prior art only partially integrates the current mainstream fast-charging protocol, and cannot match all mobile phones with fast-charging functions in the market, such as (apple, huashi, glorious, samsung, millet, OPPO, VIVO, charm, association, IQOO, real), and power-consuming devices such as charger, the application range is limited, and the use is inconvenient, so that a novel multi-protocol USB fast-charging circuit board is produced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above prior art not enough, provide a novel many agreement USB fill circuit board soon.

The utility model provides a novel multi-protocol USB fills circuit board soon, includes the circuit board main part, a plurality of chips are installed to the one side of circuit board main part, and every chip all is linked together through solitary transmission line and the USB interface of installing at circuit board main part another side.

As a further improvement, an indicator light for judging whether current transmission is normal is arranged on the surface of the circuit board main body.

As a further improvement, the input ports of the chips are connected with the output ports of the input ends, and a plurality of first capacitors for filtering the input ends are arranged between the input ends and each chip.

As a further improvement, a current limiting device is arranged between the output port of the input end and the indicator lamp.

As a further improvement, the input ports of the chip are respectively a port 5, a port 6, a port 7, a port 8 and a port 9, the output ports of the chip are respectively a port 1, a port 2, a port 3 and a port 4, the output port of the input end is communicated with the port 7, the ports 1 and 3 are used for grounding, and the port 2 is communicated with the corresponding USB interface through a plurality of second capacitors and inductors for filtering the output end.

As a further improvement, the chip is an IP6525T chip, each chip can be independently controlled, the IP6525T is a buck converter integrated with a synchronous switch, supports 4 output fast charging protocols, provides a complete solution for a vehicle-mounted charger, a fast charging adapter and an intelligent socket, can be independently controlled, and has the advantages of ensuring the use reliability, having a miniaturized structural design and reducing the use area under the condition of double-sided patch design.

As a further improvement, the USB interface is divided into an interface 1, an interface 2, an interface 3 and an interface 4, the interface 1 and the interface 4 are power output ends, and the interface 2 and the interface 3 are protocol input ends.

Has the advantages that:

the device adopts double-sided paster, has simple structure, and has the advantages of small structure reduction, small miniaturization structure design, compact installation space and high reliability of the whole device due to rich functions and small occupied area of the IP6525T chip.

The device utilizes the power inductor, solves the problems of spontaneous heating and heat dissipation of products in a closed installation environment, ensures stable and reliable long-time operation of the products, and prolongs the service life of the products.

The device part integrates all the current mainstream quick-charging protocols, can be matched with all mobile phones with quick-charging functions in the market, such as (apple, huashi, rongyao, samsung, millet, OPPO, VIVO, charm, association, IQO, REALME) and power consumption equipment such as a charger, and has the advantages of wide application range, convenience in use and effective improvement of safety and reliability.

Drawings

FIG. 1 is a schematic structural diagram of a side of a fast charging circuit board;

FIG. 2 is a schematic diagram of an overall circuit board of a multi-protocol USB flash circuit board;

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

As shown in fig. 1-2 as a specific embodiment of the present invention, a novel multi-protocol USB quick-charging circuit board, includes a circuit board main body, a plurality of chips are installed on one side of the circuit board main body, and each chip is communicated with a USB interface installed on the other side of the circuit board main body through an independent transmission line.

And an indicator light for judging whether current transmission is normal is arranged on the surface of the circuit board main body.

The input ports of the chips are connected with the output ports of the input ends, and a plurality of first capacitors used for filtering the input ends are arranged between the input ends and each chip.

And a current limiting device is arranged between the output port of the input end and the indicator lamp.

The input ports of the chip are respectively a port 5, a port 6, a port 7, a port 8 and a port 9, the output ports of the chip are respectively a port 1, a port 2, a port 3 and a port 4, the output port of the input end is communicated with the port 7, the ports 1 and 3 are used for grounding, and the port 2 is communicated with the corresponding USB interface through a plurality of second capacitors and inductors used for filtering the output end.

The chip is IP6525T chip, and every chip all can be controlled alone, and IP6525T is the step-down converter of an integrated synchro switch of a section, supports 4 kinds of output and fills the agreement soon, for on-vehicle charger, fill adapter, intelligent row insert provide complete solution, and can the independent control, under the condition of two-sided paster design, not only guaranteed the reliability of use but also have miniaturized structural design, reduce area of use's advantage.

The USB interface is divided into an interface 1, an interface 2, an interface 3 and an interface 4, wherein the interface 1 and the interface 4 are power output ends, and the interface 2 and the interface 3 are protocol input ends.

The IP6525T chip includes the following ranges of use:

the IP6525T is a voltage reduction converter integrated with a synchronous switch, supports 4 output fast charging protocols, and provides a complete solution for a vehicle-mounted charger, a fast charging adapter and an intelligent socket.

The power MOS is built in the IP6525T, the input voltage range is 9.6V to 32V, the output voltage range is 3V to 12V, the maximum output power of 18W can be provided, the output voltage and current can be automatically adjusted according to the identified quick charge protocol, and the typical output voltage and current is 5V@3.4A,9V@2.0A,12V@1.5A. The buck conversion efficiency of IP6525T is as high as 98%.

The output of the IP6525T has CV/CC characteristics, when the output current is less than a set value, a CV mode is output, and the output voltage is constant; and when the output current is larger than the set value, outputting the CC mode and reducing the output voltage.

The output voltage of the IP6525T has a line compensation function, and the output voltage can be correspondingly increased after the output current is increased so as to compensate the voltage drop caused by the impedance of the connecting line.

The IP6525T has soft start function, and can prevent the impact current from influencing the stability of the input power supply during start.

The IP6525T integrates a quick charge protocol, can automatically identify the quick charge protocol supported by the output end access equipment through DP/DM, and then automatically adjusts output voltage and current. The fast charging protocol supported by the IP6525T comprises DCP (apple, samsung and BC 1.2), high-pass QC2.0/QC3.0, huacheng fast charging protocol FCP and samsung fast charging protocol AFC.

The IP6525T has multiple protection functions, such as input overvoltage and undervoltage protection, output overcurrent, overvoltage, undervoltage and short-circuit protection.

The IP6525T chip has the following characteristics;

synchronous switching buck converter:

wherein, a power MOS is arranged in the power amplifier; input voltage range: 9.6V to 32V; output voltage range: 3V to 12V, and automatically adjusting according to a quick charge protocol; output power: maximum 18W (5V@3.4A,9V@2A,12V@1.5A, etc.); the output has CV/CC characteristics (the output current is less than a set value, the CV mode is output, the output current is more than the set value, the CC mode is output); the highest conversion efficiency is 98%; a soft start function; the output voltage line supplements the function, and the line supplementing voltage is 100mV @1A.

Outputting and fast charging:

wherein, BC1.2, apple and Samsung protocols are supported; high-pass QC2.0 and QC3.0 are supported; the Huaqi quick charging protocol FCP is supported; and supporting a three-star fast charging protocol AFC.

Multiple protection, high reliability:

the protection circuit has output overcurrent, input overvoltage, input undervoltage and output short-circuit protection; the whole machine is subjected to over-temperature protection; DP/DM overvoltage protection; ESD 4KV is input with DC withstand voltage of 40V.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel multi-protocol USB fills circuit board soon which characterized in that, includes the circuit board main part, a plurality of chips are installed to the one side of circuit board main part, and every chip all is linked together through solitary transmission line and the USB interface of installing at circuit board main part another side.

2. The novel multi-protocol USB quick charging circuit board as claimed in claim 1, wherein an indicator light for judging whether current transmission is normal is installed on the surface of the circuit board main body.

3. The novel multi-protocol USB quick charging circuit board as claimed in claim 1, wherein the input ports of the chips are all connected with the output ports of the input terminals, and a plurality of first capacitors for filtering the input terminals are installed between the input terminals and each chip.

4. The novel multi-protocol USB quick charging circuit board as claimed in claim 3, wherein a current limiting device is installed between the output port of the input end and the indicator light.

5. The novel multi-protocol USB fast charging circuit board as claimed in claim 3, wherein the input ports of the chip are respectively port 5, port 6, port 7, port 8 and port 9, the output ports of the chip are respectively port 1, port 2, port 3 and port 4, the output port of the input end is communicated with port 7, the ports 1 and 3 are used for grounding, and the port 2 is communicated with the corresponding USB interface through a plurality of second capacitors and inductors for filtering the output end.

6. The novel multi-protocol USB flash circuit board as claimed in claim 1, wherein said chip is an IP6525T chip, each chip being individually controllable.

7. The novel multi-protocol USB quick charging circuit board according to claim 1, wherein the USB interface is divided into an interface 1, an interface 2, an interface 3 and an interface 4, the interface 1 and the interface 4 are power output terminals, and the interface 2 and the interface 3 are protocol input terminals.