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MM1491 - Protection of Lithium Ion Battery

General Description

PIN No.

Overcurrent detection input pin.

VM FET source pin.

Key Features

  • a 1. Overcharge detection voltage Ta = 0 ~ +50°C h 2. Overcharge detection dead time CTD = 0.01µF P 3. Consumption current (normal mode VCEL = 3.6V) VCEL ± 25mV 100 ms 10µA typ. 4. Consumption current (overdischarge mode VCEL = 1.9V) 0.05µA typ. 5. Overcurrent detection reset conditions Load open: between both ends of battery pack 50MΩ typ. load Package SOT-26A.

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Datasheet Details

Part number MM1491
Manufacturer MITSUMI
File Size 354.58 KB
Description Protection of Lithium Ion Battery
Datasheet download datasheet MM1491 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MITSUMI Protection of Lithium Ion Battery (one cell) MM1491 Protection of Lithium Ion Battery (one cell) Monolithic IC MM1491 Outline This IC is a smaller, higher precision type of lithium ion battery protection IC as compared to the MM1301 series, and precision of ±25mV is guaranteed at 0°C ~ 50°C. MM1301 had both VCC and VIN pins, but MM1491 has only the VCC pin. 1-Cell Protection ICs Temperature conditions A:Ta=-25 ~ 75°C, B:Ta=-20 ~ 70°C, C:Ta=0 ~ 50°C, D:Ta=0 ~ 40°C, E:Ta=-20 ~ 25°C Package Model SOT-26A ts AN BN c GN u HN d JN MM1491 o MN r SN WN P YN t ZN Overcharge detection voltage (V) 4.200±0.025 4.350±0.025 4.280±0.025 4.200±0.025 4.250±0.025 4.250±0.025 4.295±0.025 4.325±0.025 4.300±0.025 4.325±0.