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    The RY2204 is a high integration solution for lithium-ion/polymer battery protection. RY2204 contains internal power MOSFET, high-accuracy voltage detection circuits and delay circuits. RY2204 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 RY2204 requires a minimal number of readily available, external components and is available in a space saving SOP8 package.

    RY2204是一種針對(duì)鋰離子/聚合物電池保護(hù)的高集成解決方案。RY2204包含內(nèi)部電源MOSFET、高精度電壓檢測(cè)電路和延遲電路。RY2204具有電池應(yīng)用中所需的所有保護(hù)功能，包括過(guò)充、過(guò)放電、過(guò)電流和負(fù)載短路保護(hù)等。準(zhǔn)確的過(guò)充電檢測(cè)電壓保證安全充分充電。低備用電流在存儲(chǔ)時(shí)排出的來(lái)自電池的電流很少。該設(shè)備不僅針對(duì)數(shù)字手機(jī)，還適用于任何其他需要長(zhǎng)期電池壽命的鋰離子和鋰聚電池驅(qū)動(dòng)的信息設(shè)備。

    RY2204需要最少數(shù)量的現(xiàn)成的外部組件，并可在一個(gè)節(jié)省空間的SOP8軟件包中使用。

RY2204 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

17.6mΩ 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 SOP8 Package

-40°C to +85°C Temperature Range

RY2204 Applications/應(yīng)用：

One-Cell Li-ion Battery Pack

Power Bank

One-Cell Li-poly Battery Pack

IOT Sensor/Electronic Toys

RY2204 Typical Application Circuit:

RY2204 Pin Description:

RY2204 Order Information (1):

Marking	Part No.	Model	Description	Package	T/R Qty
MNYLL	70702034	RY2204	RY2204 One Cell Li-ion and Li-poly Battery Protection IC, 9A, SOP8	SOP8	3000 PCS

RY2204 Functional Block Diagram: