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锂电保护

RY2202

    RY2202是一种针对锂离子/聚合物电池保护的高集成解决方案。RY2202包含内部电源MOSFET、高精度电压检测电路和延迟电路。RY2202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。
    RY2202需要最少数量的现成的外部组件,并可在一个节省空间的SOT23-6软件包中使用。
    RY2202 Description/概述:
        The RY2202 is a high integration solution for lithium-ion/polymer battery protection. RY2202 contains internal power MOSFET, high-accuracy voltage detection circuits and delay circuits. RY2202 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 longterm battery life.
        The RY2202 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.

        RY2202是一种针对锂离子/聚合物电池保护的高集成解决方案。RY2202包含内部电源MOSFET、高精度电压检测电路和延迟电路。RY2202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。
        RY2202需要最少数量的现成的外部组件,并可在一个节省空间的SOT23-6软件包中使用。

    RY2202 Features/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
    54mΩ 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 SOT23-6 Package
    -40°C to +85°C Temperature Range

    RY2202 Applications/应用:
    One-Cell Li-ion Battery Pack
    Power Bank
    One-Cell Li-poly Battery Pack
    IOT Sensor/Electronic Toys

    RY2202 Typical Application Circuit:

    RY2202 Pin Description:


    RY2202 Order Information:

    Marking
    Part No.
    Model
    Description
    Package
    T/R Qty

    MLYLL

    70702031

    RY2202

    RY2202 One Cell Li-ion and Li-poly

    Battery Protection IC, 4.1A, SOT23-6

    SOT23-6

    3000 PCS


    RY2202 Functional Block Diagram:
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