參數(shù)資料
型號(hào): MM1305
廠(chǎng)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(yè)數(shù): 1/3頁(yè)
文件大小: 68K
代理商: MM1305
MITSUMI
Remaining Battery Power Display MM1305
Remaining Battery Power Display
Monolithic IC MM1305
Outline
This IC detects battery voltage and displays the power remaining in the battery. Portable equipment is
becoming more and more popular, and one standard function of this type of equipment is remaining battery
power display. This IC has four threshold voltages built in. Since their respective detection circuits share the
reference voltage on one chip, the detection voltage for each lags in the same direction. Thus, there is much
smaller error as compared to the reciprocal error resulting from combining single circuits.
Also, the stepped display of remaining battery power as in nickel cadmium, nickel hydrogen and lithium ion
batteries is enabled through super high precision voltage detection of ±1%.
Features
1. A separate line-up of detection voltages for alkaline magnesium and nickel cadmium and nickel hydrogen
batteries.
Alkaline magnesium : 1.350V /1.285V /1.200V /1.100V
Nickel cadmium, nickel hydrogen : 1.275V /1.245V /1.205V /1.100V
2. Super high precision detection voltage : ±1% typ.
3. Low current consumption : Waiting : 1.5μA
Detection : 12μA
4. Ripple absorption pin
Enables continuous ripple absorption and suppresses detection errors.
5. Built-in hysteresis voltage
Package
VSOP-8A (MM1305XW, MM1305AW, MM1305BW)
Absolute Maximum Ratings
Item
Specification
Unit
Storage temperature
-
40~+125
°C
Operating temperature
-
20~+70
°C
Input voltage
5
V
Output pin voltage
5
V
Allowable loss
300
mW
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