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MM1210

Remaining Battery Power Display

Mitsumi 

MITSUMI

Remaining Battery Power Display MM1210

Remaining Battery Power Display

Monolithic IC MM1210 Series

Outline

This IC detects battery voltage and displays the remaining power in the battery using an LCD. Long life and

light weight are emphasized in the most recent portable equipment, which increasingly use nickel cadmium

and nickel hydrogen batteries. For these batteries, the discharge characteristics mean that extremely precise

detection of the remaining battery power is required.

This IC enables detection of this type through high precision voltage detection.

Features

1. Two built-in detection voltages

1.18V / 1.06V typ.

2. High precision detection voltages ±1% typ.

3. Low current consumption

During detection ; 15 µA typ.

During waiting ; 15 µA typ.

4. Setting possible during non-induction

It is possible to set a time period for which detection is ignored, as for example when voltage drops due to

temporary heavy loads.

5. Ripple absorption pins

It is possible to check fluctuations in detection through continuous rippling.

6. Built-in hysteresis voltage

Package

SOP-8D (MM1210XF)

Absolute Maximum Ratings

Item

Storage temperature

Operating temperature

Input voltage

Output pin voltage

Allowable loss

Rating

-40~+125°C

-20~+70°C

5V

5V

300mW

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