RY2203 Description/概述：
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.
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。
RY2203 Features/特性：
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
RY2203 Applications/应用：
One-Cell Li-ion Battery Pack
Power Bank
One-Cell Li-poly Battery Pack
IOT Sensor/Electronic Toys
RY2203 Typical Application Circuit：
RY2203 Pin Description：
RY2203 Order Information：
|
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 |
RY2203 Functional Block Diagram：
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