Part Number : TP4057
Function : 500mA Linear Li-Ion Battery Charger
Maker : NanJing Top Power ASIC Corp
TP4057 a complete single-cell lithium-ion battery charger with battery reverse polarity protection, using a constant electric Current / constant voltage linear control.
Its SOT packaging and low external component count makes reasonable TP4057 portable applications Want to select. TP4057 can fit USB power supply and adapter power supply.