Lithium battery charging and discharging board 5V1A，Charging and discharging 5V1A，with input OVP function
- 2023-05-12 15:04:30
- lu Original
- 279
1 Circuit board PCB description：
1.1 Name ： Lithium battery charging and discharging board5V1A， Charging and discharging 5V1A， with input OVP function
1.2 Applications ： Convenient charging devices, etc.
1.3 Battery pack ： 3.7V lithium batterypack, multiple parallel or single series connection, full 4.2V(Light up LED1when charging, LED2 lights up when fully charged, LED1 flashes when notconnected)
1.4 Input ： USB type C 5V， Charge Current 1000mA
1.5 Output ： 5V voltage, current upto 1200mA (3.7V lithium battery voltage)
1.6 Introduction to Chip Functions ：
1， B lithium battery charging circuit：PW4056
PW4056 Lithium battery charge management chip， Up to 1A chargingcurrent, support 1 multi-parallel lithium battery charging.
2， C boost output chip circuit：PW5300A
PW5300A, input voltage 2.2V-16V, output adjustable to 20V,when 3.7V input, 5V output, current up to 1200mA.
3， A lithium battery protection circuit：PW3230
PW3230 is a l ithium battery charging and discharging protection board chip, withouta single peripheral component.
4， Overvoltage protection circuit：PW2606B
PW2606B is a USBinput overvoltage protection chip, input overvoltage 6.1V shutdown, 40V input withstand voltage, overcurrent 1A protection.
Function： 1， Misplaced high voltage protection 2， USB Hot Swap Protection， 3， Abnormal high voltage protection for damaged fast charger.
2， Circuit diagram ：
3 ， PCB diagram and 3D display diagram
4 ， BOM Material List .
|
Comment |
Designator |
Quantity |
|
0603 1UF 50V |
C1 |
1 |
|
0603 4.7UF 16V |
C2，C3 |
1 |
|
0805 16V 22UF |
C4, C5, C6 |
3 |
|
SS34 SMB |
D1 |
1 |
|
Integrated molded inductor 0630 -4.7UH |
L1 |
1 |
|
0603 LED Red |
LED1 |
1 |
|
0603 LED Green |
LED2 |
1 |
|
0603 5.1K 1% |
R1, R2 |
2 |
|
0603 1K 1% |
R3 |
1 |
|
0603 88K 1% |
R4 |
1 |
|
0603 12K 1% |
R5 |
1 |
|
0603 1K 5% |
R6 |
1 |
|
0603 20K 1% |
R7 |
1 |
|
NC |
R8 |
1 |
|
PW2606B PWCHIP |
U4 |
|
|
PW4056 PWCHIP |
U1 |
1 |
|
PW5300A PWCHIP |
U2 |
1 |
|
PW3230 PWCHIP |
U3 |
1 |
|
USB TYPE C 6PIN |
USB1 |
1 |
|
USB |
USB2 |
1 |
