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參數(shù)資料
| 型號(hào)： | MM1248 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | Control of Lithium Ion Battery Charging and Discharging |
| 中文描述： | 控制的鋰離子電池充放電 |
| 文件頁(yè)數(shù)： | 7/8頁(yè) |
| 文件大小： | 210K |
| 代理商： | MM1248 |
MITSUMI
Control of Lithium Ion Battery Charging and Discharging MM1248
Pin no.
Pin name
Equivalent circuit
Function
1
DCHG
Pch-FET gate connector pin for discharge control
"L" output during discharge, "H" when discharge is
stopped
2
CHG
Pch-FET gate connector pin for charge control
Feedback loop for constant-voltage control formed
during charging; "H" output when charging is
stopped
When overvoltage or overheating is sensed (during
charging), the gate is turned off ("H" level).
4
CON
Input pin for charge control signal.
Input "L" to turn charging on, "H" to turn charging
off (when open, charging is off)
5
OV1
Overvoltage signal output pin. PNP output, with
internal pull-down resistance (50 k
typ.)
"L" output in normal operation, "H" output on
overvoltage
6
V
BAT
On discharge, 1/3 the battery module voltage is
output; when discharge stops, switches to high-
impedance output
7
CCC
Pin for connection to a capacitor to set the dead
time for overcharge detection
Normal operation : GND level; overcharge : approx.
5V
Dead time is approx 1S for an 0.068μF capacitance
3
V
IN
Power supply input pin for the charge control unit
Pin Description
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| MM1250 | Monolithic IC MM1250 |
| MM1253A | Remaining Battery Power Display |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM125 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Precision Film Resistors |
| MM1250 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Monolithic IC MM1250 |
| MM1251 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Remaining Battery Power Display |
| MM1251A | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Remaining Battery Power Display |
| MM1251B | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Remaining Battery Power Display |
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