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  锂电池保护芯片
产品名称: RY2231 一节锂离子和锂聚合物电池保护 IC
型号: RY2231
产片介绍:The RY2231 is a high integration solution for lithium-ion polymer battery protection

┄┄┄详细介绍┄┄┄

1.General Description
The RY2231 is a high integration solution for lithium-ion/polymer battery protection. RY2231 contains internal
power MOSFET, high-accuracy voltage detection circuits and delay circuits. RY2231 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 little current from the cell while in storage. The device is not only targeted for digital
cellular phones, but also for any other Li-Ion and Li-Poly battery-powered information appliances requiring long
term battery life.
The RY2231 do not require external resistor and capacitor, is available in a space saving DFN4-1×1 package.
 
2.Features
Protection of Charger Reverse Connection
Protection of Battery Cell Reverse Connection
Over-Temperature Protection
Overcharge Current Protection
Two-step Overcurrent Detection:
Over Discharge Current
Load Short Circuiting
Charger Detection Function
0V Battery Charging Function
55mΩ Low RSS(ON) Internal Power MOSFET
Delay Times are generated inside
High-accuracy Voltage Detection
Low Current Consumption
Operation Mode: 0.7μA typ.
Power-down Mode: 0.1μA typ.
Resistor and Capacitor inside
Available in DFN4-1×1 Package
-40°C to +85°C Temperature Range
 
3.Applications
One-Cell Li-ion Battery Pack
Power Bank
One-Cell Li-poly Battery Pack
IOT Sensor/Electronic Toys/ Wearable Devices
 
4.Typical Application Circuit

 
5.Pin Configuration

 

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