Part number : TP4057
Functions : 500mA Linear Li-Ion Battery Charger
Manufacturer : 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
Other data sheets within the file : TP4057, TP4057-42-SOT26-R