USB C input, integrated OVP overvoltage protection lithium battery charging products
- 2023-05-12 15:11:24
- lu Original
- 667
1 Circuit board PCB description：
1.1 Name ： USB C input, integrated OVP overvoltageprotection lithium battery charging products
1.2 Applications: Convenient charging devices, etc.
1.3 Battery pack: 3.7V/3.8Vlithium battery pack, multiple parallel or single series connection, optional full 4.35V (board 12) / 4.2V (board 13)
1.4 Input voltage: 5V（ When charging, the light will be on, and when it is fully charged, thelight will turn）
1.5 Max charging current ： 0.5A（ PW4555/PW4057） ， 1A（ PW4056H）
1.6 Introduction to Chip Functions ：
1， Lithium battery charging circuit：PW4555
PW4556 Lithium battery charge management chip， Integrated OVP overvoltage and current limiting， Up to 0.7A charging current， DFN2*2-8L package
2， Lithium battery charging circuit：PW4057
PW4057 Lithium battery charge management chip， Integrated OVP overvoltage and current limiting， Up to 0.5A charging current， SOT23-6 package
3， Lithiumbattery charging circuit：PW4056H
PW4056H Lithium battery charge management chip, Integrated OVP overvoltage and currentlimiting， Up to 1A charging current， ESOP8 package
3， Circuit diagram ：
3 ， PCB diagram and 3D display diagram
4 ， BOM Material List .
|
Comment |
Designator |
Footprint |
Quantity |
|
0805 50V 10UF |
C1 |
0805C |
1 |
|
10uF 16V 0603 |
C2 |
0603A |
1 |
|
4.7uF 16V 0603 |
C3, C5 |
0603A |
2 |
|
1uF 50V 0603 |
C4, C6 |
0603A |
2 |
|
LED 0603 Green |
LED1, LED3, LED5 |
0603A |
3 |
|
LED 0603 Red |
LED2, LED4, LED6 |
0603A |
3 |
|
U1 |
PW4056H |
SOP8 |
1 |
|
U3 |
PW4057 |
SOT23-6 |
1 |
|
U2 |
PW4555 |
DFN2*2-8 |
1 |
|
1K 0603 1% |
R1 |
0603SL |
1 |
|
1K 0603 5% |
R2, R6, R9 |
0603SL |
3 |
|
100K 0603 5% |
R3 |
0603SL |
1 |
|
5.1K 0603 1% |
R4, R5 |
0603SL |
2 |
|
270K 0603 1% |
R7 |
0603SL |
1 |
|
24K 0603 1% |
R8 |
0603SL |
1 |
|
2K 0603 1% |
R10 |
0603SL |
1 |
|
USB TYPE C 16PIN |
USB1 |
USB1 |
1 |
