1、Features
Protection ofCharger Reverse Connection 50mΩ Low RssoN) Internal Power MOSFET
Protection of Battery Cell Reverse Connection Delay Times are generated inside
Over-temperature Protection High-accuracy Voltage Detection
Overcharge Current Protection Low Current Consumption
Two-step Overcurrent Detection: Operation Mode: 0.7uA typ
Over Discharge Current Power-down Mode: 0.5uA typ.
Load Short Circuiting Only One External Capacitor Required
Charger Detection Function Available in SOT23-3 Package
0V Battery Charging Function -40°C to +85°C Temperature Range
2、Applications
One-Cell Li-ion Battery Pack One-Cell Li-poly Battery Pack
Power Bank IOT Sensor/Electronic Toys/ Wearable Devices
3、General Description
The RY2200 is a high integration solution for lithium-ion/polymer battery protection. RY2200 contains interna power MOSFET, high-accuracy voltage detection circuits and delay circuits. RY2200 has all the protection functions required in the battery application including overcharging, over discharging, overcurrent and load short circuiting protection etc. The accurate overcharging detection voltage ensures safe and full utilization charging The low standby current drains litle current from the cell while in storage. The device is not only targeted for digital cellular phones, but also for any other Li-lon and Li-Poly battery-powered information appliances requiring long.
term battery life.
The RY2200 requires a minimal number of readily available, external components and is available in a space saving
SOT23-3 package.
4、Typical Application Circuit