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參數(shù)資料
| 型號： | MM1252B |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | Remaining Battery Power Display |
| 中文描述： | 電池剩余電量顯示 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 121K |
| 代理商： | MM1252B |
MITSUMI
Remaining Battery Power Display MM1251, MM1252, MM1253
Remaining Battery Power Display
Monolithic IC MM1251, MM1252, MM1253
This IC detects battery voltage and displays the power remaining in the battery. Display of the battery's
remaining power is an indispensable function for portable equipment. The use of this IC makes this display
easily achievable.
The usual method of display of remaining battery power, as in the MM1206, is three marks lighting up in
sequence on an LED or other display. This IC, however, uses only one light to display the remaining battery
power, resulting in lower cost.
Outline
Features
1. Adjustable flashing speed
2. Adjustable detection voltage supports all settings
3. Adjustable hysteresis voltage enables response to large ripple settings
4. High precision voltage detection (MM1253) enables support of sets using nickel cadmium and other
batteries
5. The LED can be lit up by the voltage from one battery (type of special built-in step-up circuit : rank B)
Package
SOP-8D (MM1251AF, MM1251BF, MM1252AF, MM1252BF, MM1253AF)
Series Description
Display Pattern
Normal
Low Power
Detection Precision
MM1251
Light Off
Flashing
±30mV
MM1252
Light On
Flashing
±30mV
MM1253
Light Off
Flashing
±9mV
Absolute Maximum Ratings
(Ta=25°C)
Item
Rating
Unit
Storage temperature
-
40~+125
°C
Operating temperature
-
20~+70
°C
Input voltage
-
0.3~+3
V
Output Terminal Applied Voltage
-
0.3~+7
V
Allowable loss
300
mW
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM1253 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Remaining Battery Power Display |
| MM1253A | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Remaining Battery Power Display |
| MM1257 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:High-Precision Three-Pin Regulator |
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