RY2201概述：
The RY2201 is a high integration solution for lithium-ion/polymer battery protection.
RY2201 contains internal power MOSFET, high-accuracy voltage detection circuits and delay circuits.
RY2201 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.
RY2201 contains internal power MOSFET, high-accuracy voltage detection circuits and delay circuits.
RY2201 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 RY2201 requires a minimal number of readily available, external components and is available in a space saving SOT23-5 package.
RY2201特性：
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
RoHS Compliant and Lead (Pb) Free
40mΩ Low RSS(ON) Internal Power MOSFET
Delay Times are generated inside
High-accuracy Voltage Detection
Low Current Consumption Operation Mode: 2.5μA typ.Power-down Mode: 1.5μA typ.
Only One External Capacitor Required
Available in SOT23-5 Package
-40°C to +85°C Temperature Range
RY2201应用：
One-Cell Li-ion Battery Pack
Power Bank
One-Cell Li-poly Battery Pack
IOT Sensor/Electronic Toys
Order Information
RY2201典型应用图：
RY2201管脚配置及说明：
RY2201典型应用图：
RY2201管脚配置及说明：
RY2201订购信息：
| Marking | Part No. | Model | Description | Package | T/R Qty |
| MKYLL | 70702030 | RY2201 | RY2201 One Cell Li-ion and Li-poly Battery Protection IC, 3A, SOT23-5 |
SOT23-5 | 3000 PCS |
RY2201功能框图：
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