TF4054A中文资料拓锋半导体数据手册PDF规格书

characteristic

◆Programmable charging current 500mA

◆No need for external MOSFETs, sense resistors and blocking diodes

◆Complete Linear Charger in SOT23-5L Package for Single Cell Lithium Batteries

◆Constant current/constant voltage operation with thermal regulation to maximize charge rate without risk of overheating

◆4.2V Precharge Voltage Accurate to ±1

◆Charge current monitor output for battery charge detection

◆automatic recharge

◆Charge status output display

◆C/10 charge termination

◆Quiescent current in standby mode is 25uA

◆2.9V trickle charge

◆Soft Start Limits Inrush Current

Scope of application

◆Mobile phones, PDA

◆MP3, MP4 player

◆charger

◆digital camera

◆E-dictionary

◆Bluetooth, GPS navigator

◆portable device