Lithium battery 5V0.5A charging and 5V1.2A boost output circuit module
- 2023-05-12 15:04:42
- lu Original
- 394
1 Circuit board PCB description：
1.1 Name ： Lithium battery 5V0.5Acharging and 5V1.2A boost output circuit module
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（ When charging, the light will be on, and when it is fully charged, thelight 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, 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.
2， Circuit diagram ：
3 ， PCB diagram and 3D display diagram
4 ， BOM Material List .
|
Comment |
Designator |
Quantity |
|
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 |
|
PW4054 PWCHIP |
U2 |
1 |
|
PW3230 PWCHIP |
U3 |
1 |
|
PW5300A PWCHIP |
U4 |
1 |
|
USB type C 6pin |
USB1 |
1 |
|
USB TYPE A |
USB2 |
1 |
