Description
TP4056 1A Li-ion lithium Battery Charging Module – Type C
The TP4056 Type-C USB Charging Module is a linear charger designed for 1-cell 3.7V lithium batteries using constant-current/constant-voltage (CC/CV) charging. It features a USB-C input, onboard charging status LEDs, and battery protection circuitry (optional based on module version).
Technical Specifications:
-
Input Voltage: 4.5V – 5.5V (via USB-C or IN+ & IN– pads)
-
Charging Current: Default: ~1A (Adjustable via resistor)
-
Battery Type: Single-cell 3.7V Li-ion/LiPo
-
Charge Cut-off Voltage: 4.2V ± 1%
-
Battery Protection: Available in protected version (overcharge, overdischarge, short circuit)
- Status Indicators: Red = Charging, Blue = Fully charged
Pinouts:
|
TP4056 Pin |
Function |
|
IN+ |
5V Input Positive (if not using USB-C) |
|
IN– |
Input Ground |
|
BAT+ |
Battery Positive Terminal |
|
BAT– |
Battery Ground |
|
OUT+ |
Output Positive (same as BAT+) (on protected version) |
|
OUT– |
Output Ground (same as BAT–) (on protected version) |
Connection with Battery and Adapter:
The TP4056 Type-C USB module is a hardware-only lithium battery charging module — it does not require any code to operate.
|
LED Color |
Status |
|
Red |
Charging |
|
Blue |
Fully Charged |