TP4056 Li-ion Battery Charger with Current Protection

The TP4056 1A Li-Ion Lithium Battery Charging Module is a 3.7V lithium battery charger module has on-board Mini USB interface. With Mini-USB onboard connector, you can directly connect to computer USB port for battery charging. If USB is not available you can use an external source voltage at IN+/IN- pads, great for DIY projects. It is small size and lightweight.

It uses the internal PMOSFET architecture which eliminates the use of blocking diode. It prevents negative Charge Current Circuit. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V, and the charging current is programmable externally with a single resistor. The TP4056 automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached.

TP4056 Other features include the current monitor, under voltage lockout, automatic recharge, and two status pin to indicate charge termination and the presence of an input voltage.

Features :

    Charging indicator: RED LED charging, BLUE LED full Charged
    Charge Current: 1A (default), modify the onboard resistor to adjust the charging current according to the table below.
    Use mature charging chip TP4056 for simple peripheral circuits, good protection performance, and high charging accuracy.
    Fully machinery automated processing, all patch parts manufacturing.
    Charging current can be adjusted by just changing the circuit board’s fixed resistors. It can change the output to the 100mA-1000mA, very conveniently

Application:

Portable devices
Power back                                                                                                                   Battery Charger