R2A20050ANS_15 Datasheet, PDF (1/14 Pages) Renesas Technology Corp – Lithium-ion battery charger control IC

R2A20050ANS
Lithium-ion battery charger control IC
Datasheet
R03DS0071EJ0100
Rev.1.0
May 7 ,2013
Description
R2S20050ANS is a semiconductor integrated circuit designed for Lithium-ion battery charger control IC.
Built-in constant current and constant voltage control circuit allows for charging Lithium-ion battery.
Features
- Available for 4.2V battery
- Built-in high accuracy reference voltage (charge voltage) 4.20V30mV(at Ta=25degC)
- Constant current and constant voltage control function
- Battery connection detection function
- Built-in adaptor detection function
- Built-in recharge function
- Built-in thermistor interface for battery temperature detection
- Built-in chip temperature detection function
- Substantial protection functions
- Safety timer
- Overdischarge protection
- Overvoltage protection
- Charge prohibition protection for overvoltage and overdischarge battery.
- Thermal shutdown function
- Erroneous detection protection
- Built-in LED display function
Application
For DSC, cellular phone, PDA, portable memory audio player, handheld game machine, and others.
Pin arrangement
VCC
Rosc
LED
GND
VDD
Outline10pin DFN
BAT
VSENSE
RICHG
TMRcnt
TH
R03DS0071EJ0100 ^Rev.1.0
May 7 ,2013
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