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    The RY2203 is a high integration solution for lithium-ion/polymer battery protection. RY2203 contains internal power MOSFET, high-accuracy voltage detection circuits and delay circuits. RY2203 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 RY2203 requires a minimal number of readily available, external components and is available in a space saving CPC5 package.

    RY2203是一种针对锂离子/聚合物电池保护的高集成解决方案。RY2203包含内部电源MOSFET、高精度电压检测电路和延迟电路。RY2203具有电池应用中所需的所有保护功能，包括过充、过放电、过电流和负载短路保护等。准确的过充电检测电压保证安全充分充电。低备用电流在存储期间从电池排出的电流很少。该设备不仅针对数字手机，还适用于任何其他需要长期电池寿命的锂离子和锂聚电池驱动的信息设备。低备用电流在存储期间从电池排出的电流很少。该设备不仅针对数字手机，还适用于任何其他需要长期电池寿命的锂离子和锂聚电池驱动的信息设备。低备用电流在存储期间从电池排出的电流很少。该设备不仅针对数字手机，还适用于任何其他需要长期电池寿命的锂离子和锂聚电池驱动的信息设备。低备用电流在存储期间从电池排出的电流很少。该设备不仅针对数字手机，还适用于任何其他需要长期电池寿命的锂离子和锂聚电池驱动的信息设备。

    RY2203需要最少的现成的外部组件，并在节省空间的CPC5封装。

Protection of Battery Cell Reverse Connection without External load

Over-temperature Protection

Overcharge Current Protection

Two-step Overcurrent Detection:

    Over Discharge Current

    Load Short Circuiting

Charger Detection Function

0V Battery Charging Function

RoHS Compliant and Lead (Pb) Free

16mΩ 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: 0.5μA typ.

Only One External Capacitor Required

Available in CPC5 Package

-40°C to +85°C Temperature Range

One-Cell Li-ion Battery Pack

Power Bank

One-Cell Li-poly Battery Pack

IOT Sensor/Electronic Toys

Marking	Part No.	Model	VCU (V)	VCL (V)	VDL (V)	VDR (V)	T/R Qty
MMYLL	70702033	RY2203	4.3±50mV	4.1±50mV	2.4±100mV	3.0±100mV	5000 PCS
MnYLL	70702030	RY2203A8	4.3±50mV	4.1±50mV	2.8±100mV	3.0±100mV	5000 PCS
MoYLL	70702031	RY2203B	4.425±50mV	4.25±50mV	2.4±100mV	3.0±100mV	5000 PCS
MpYLL	70702032	RY2203C	4.475±50mV	4.3±50mV	2.4±100mV	3.0±100mV	5000 PCS