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PDF MM1251 Data sheet ( Hoja de datos )
| Número de pieza | MM1251 | |
| Descripción | (MM1251 - MM1253) Remaining Battery Power Display | |
| Fabricantes | MITSUMI ELECTRIC | |
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Hay una vista previa y un enlace de descarga de MM1251 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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MITSUMI
Remaining Battery Power Display MM1251, MM1252, MM1253
Remaining Battery Power Display
Monolithic IC MM1251, MM1252, MM1253
Outline
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.
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
MM1251
MM1252
MM1253
Display Pattern
Detection Precision
Normal
Low Power
Light Off
Flashing
±30mV
Light On
Flashing
±30mV
Light Off
Flashing
±9mV
Absolute Maximum Ratings (Ta=25°C)
Item
Storage temperature
Operating temperature
Input voltage
Output Terminal Applied Voltage
Allowable loss
Rating
-40~+125
-20~+70
-0.3~+3
-0.3~+7
300
Unit
°C
°C
V
V
mW
1 page  
MITSUMI
Application Circuit
Remaining Battery Power Display MM1251, MM1252, MM1253
MM1252A
Timing Chart
VCC VD
CT
OUT
unsettled
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MM1251.PDF ] | |
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