Lithium battery charge and discharge board 5V3A charge and boost discharge 5V3A
- 2023-05-12 15:04:08
- lu Original
- 221
1 Circuit board PCB description：
1.1 Name ： Lithium battery charge and discharge board 5V3Acharge and boost discharge 5V3A
1.2 Applications ： Convenient charging devices, etc.
1.3 Battery pack ： 3.7V lithium battery pack, multiple parallel or single series connection, full 4.2V(Light up LED1when charging, LED2 lights up when fully charged)
1.4 Input ： USB type C 5V， Charge Current 3000mA
1.5 Output ： 5V voltage, current upto 3000mA
1.6 Introduction to Chip Functions ：
1， B lithium battery charging circuit：PW4035
PW4035 is a Lithium battery charge management chip， Up to 3A charging current, support 1multi-parallel lithium battery charging.
2， C boost output chip circuit：PW5303
PW5303， input voltage 2.5-4.4V,output adjustable to 5.3V, current up to 3000mA.
3， A lithium battery protection circuit：DW01A
DW01A is a lithium battery charge and discharge protection board chip, peripheral with MOS, can expand the overcurrent protection current.
2， Circuit diagram ：
Note 1： In the picture above, the battery ground is separated from the GND(Ground).
3 ， PCB diagram and 3D display diagram
4 ， BOM Material List .
|
Comment |
Designator |
Quantity |
|
0603 16V 0.1UF |
C1, C3, C10 |
3 |
|
0805 16V 22UF |
C2, C5, C6, C7, C9 |
5 |
|
0603 16V 3.3nF |
C4 |
1 |
|
0603 16V 4.7nF |
C8 |
1 |
|
0650 Integrated molded inductor 3.3UH |
L1, L2 |
2 |
|
0603 LED Red |
LED1 |
1 |
|
0603 LED Blue |
LED2 |
1 |
|
PW8205A8TS PWCHIP |
Q1, Q2 |
2 |
|
0603 1% 1K |
R1 |
1 |
|
0603 1% 100R |
R2 |
1 |
|
0603 5% 1k |
R3 |
1 |
|
0603 5% 0.5R |
R4 |
1 |
|
1206 1% 18mR |
R5 |
1 |
|
0603 1% 75K |
R6 |
1 |
|
0603 1% 10K |
R7 |
1 |
|
0603 1% 2.2R |
R8 |
1 |
|
0603 5% 100K |
R9 |
1 |
|
0603 1% 5.1K |
R10, R11 |
2 |
|
0603 1% 30K |
R12 |
1 |
|
0603 5% 10K |
R13 |
1 |
|
DW01A PWCHIP |
U1 |
1 |
|
PW4035 PWCHIP |
U2 |
1 |
|
PW5303 PWCHIP |
U3 |
1 |
|
USB TYPE C 6PIN |
USB1 |
1 |
|
USB A |
USB2 |
1 |
