(1) Internal high accuracy voltage detection circuit
* Overcharge detection voltage 3.9 V to 4.4 V (5 mV step), Accuracy ±25 mV (+25 °C), ±30 mV (−5 °C to +55 °C) *1 .

* Lithium-ion rechargeable battery packs
* Lithium polymer rechargeable battery packs Seiko Instruments Inc. 1.

FET gate control pin for discharge (CMOS output) Voltage detection pin between VM pin and VSS pin (Overcurrent detection pin) FET gate control pin for charge (CMOS output) Test pin for delay time acceleration Positive power input pin Negative power i.

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