Lithium battery charging and discharging board 5V0.5A Charging and discharging 5V1A, with input OVP
- 2023-05-12 15:04:47
- lu Original
- 313
1 Circuit board PCB description：
1.1 Name ： Lithium battery charging and discharging board5V0.5A Charging and discharging 5V1A, with input OVP
1.2 Applications ： Convenient charging devices, etc.
1.3 Battery pack ： 3.7V lithium batterypack, multiple parallel or single series connection, full 4.2V（ When charging, the light will be on, and when it is fully charged, the light will turn）
1.4 Input ： USB type C 5V， Charge Current 500mA
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：PW4054
PW4054 Lithium battery charge management chip， Up to 0.5A charging current, support 1lithium 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, currentup 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 USB input 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 fordamaged 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 |
1 |
|
0603 4.7UF 16V |
C3 |
1 |
|
0805 16V 22UF |
C5, C6, C7 |
3 |
|
SS34 SMB |
D1 |
1 |
|
Integrated molded inductor 0650 -4.7UH |
L1 |
1 |
|
0603 LED Red |
LED1 |
1 |
|
0603 LED Green |
LED2 |
1 |
|
0603 2K 1% |
R1 |
1 |
|
0603 330R 5% |
R2 |
1 |
|
0603 20K 1% |
R3 |
1 |
|
0603 5.1k 1% |
R4, R5 |
2 |
|
0603 11K 1% |
R6 |
1 |
|
0603 82K 1% |
R7 |
1 |
|
PW2606B PWCHIP |
U1 |
1 |
|
PW4054 PWCHIP |
U2 |
1 |
|
PW3230 PWCHIP |
U3 |
1 |
|
PW5300A PWCHIP |
U4 |
1 |
|
USB type C 6pin |
USB1 |
1 |
|
USB TYPE A |
USB2 |
1 |
