**** SD5353A ,5353A SOT23-5 锂电池充电保护IC

**** SD5353A ,5353A 锂电池充电保护IC
SD5353A是一颗锂电池/聚合物电池充电保护IC
 特性
  ·保护充电器反向连接
  ·保护电池反向连接
  ·集成**的功率MOSFET与等效54 mΩRDS(在)
  ·只有一个外部电容需要
  ·过热保护
  ·过度充电电流保护
  ·两步过电流检测:
  过量放电电流
  负载短路
  ·充电器检测功能
  ·0 v电池充电功能
  ——延迟时间是内部产生的
  ·**电压检测
  ·低电流消耗
  ——操作模式:2.8μA typ.
  ——省电模式:0.1μA max.
  应用领域
  一个锂电电池组
  聚合物电池
GENERAL DESCRIPTION
The product is a high integration solution for lithiumion/polymer battery protection.contains advanced powerMOSFET, high-accuracy voltage detection circuits and delay circuits.is put into an ultra-small SOT23-5 package and only one external component makes it an ideal solution in limited space of battery pack.has all the protection functions required in the battery application includingovercharging, overdischarging, 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 longterm battery life
 FEATURES
·Protection of Charger Reverse
Connection
·Protection of Battery Cell Reverse
Connection
· Integrate Advanced PowerMOSFET
withEquivalent of 54m? RDS(ON)
· Ultra-smallSOT23-5Package
· OnlyOneExternalCapacitor
Required
· Over-temperature Protection
· Overcharge Current Protection
· Two-stepOvercurrentDetection:
-Overdischarge Current
-Load Short Circuiting
· Charger DetectionFunction
· 0V Battery ChargingFunction
- Delay Times are generated inside
· High-accuracyVoltageDetection
· Low Current Consumption
- Operation Mode: 2.8μ A typ.
- Power-down Mode: 1.5μ A typ.
· RoHS Compliantand Lead (Pb)Free
APPLICATIONS
One-Cell Lithium-ion Battery Pack
Lithium-Polymer Battery Pack

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