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MM3284 - 1 to 4 cells lithium-ion/lithium-polymer battery Secondary protection IC

General Description

Pin No.

Pin name Input/Output 1 VDD V3 V2 V1 VSS OV INPUT INPUT INPUT INPUT INPUT OUTPUT cell.

The input terminal of the positive voltage for V3 cell and of the negative voltage for V4 cell.

Key Features

  • 1. Overcharge detection voltage 4.0~4.5V Accuracy ±30mV (-40~85°C) 2. Current consumption (VCELL=3.5V) 2.5µA typ. 3. Current consumption (VCELL=2.5V) 2.0µA typ. 4. Maximum rating 28V 5. Operating voltage range: 2~24V 6. No external capacitance required for delay time (Delay time is determined by the internal circuit, ranging from 1s to 12s upon request) Packages SOT-26A SSON-6A.

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Datasheet Details

Part number MM3284
Manufacturer Mitsumi
File Size 49.65 KB
Description 1 to 4 cells lithium-ion/lithium-polymer battery Secondary protection IC
Datasheet download datasheet MM3284 Datasheet

Full PDF Text Transcription (Reference)

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MITSUMI Protection for Lithium-Ion Batteries (for double protection) MM3284 Series Protection for Lithium-Ion Batteries (for double protection) Monolithic IC MM3284 Series Outline This IC is a double protection IC for lithium battery of 1-cell to 4-cell. It detects the battery voltage for every cell. It includes a timer, eliminating an external capacitor for overcharge detection delay that is used for our conventional ICs, which allows programmable detection delay time. www.DataSheet4U.com Features 1. Overcharge detection voltage 4.0~4.5V Accuracy ±30mV (-40~85°C) 2. Current consumption (VCELL=3.5V) 2.5µA typ. 3. Current consumption (VCELL=2.5V) 2.0µA typ. 4. Maximum rating 28V 5. Operating voltage range: 2~24V 6.