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參數(shù)資料
| 型號： | MM1214 |
| 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 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 105K |
| 代理商： | MM1214 |
MITSUMI
Control of Lithium Ion Battery Charging and Discharging MM1214
Control of Lithium Ion Battery Charging and Discharging
Monolithic IC MM1214
Outline
This IC controls constant current charging and excess discharge for lithium-ion batteries (sub-batteries). It
performs constant current charging, stops charging at set voltages, and prevents excess discharging. When
the voltage falls below a set level, it prohibits discharges and reduces IC current consumption nearly to zero.
Features
During charging
1. Input voltage range
2. Current consumption (V
IN
pin)
3. Current consumption (V
CC
pin)
4. Charging current switching voltage
5. Charging current (normal conditions)
6. Charging current (low voltages)
7. Charging control voltage (Ta =
-
20~+70°C)
8. Overvoltage detection voltage (Ta =
-
20~+70°C)
9. Overvoltage reset voltage
10.Overvoltage detection non-induction time
11.Overvoltage reset non-induction time
4.5V~15.0V
9mA typ.
500μA typ.
2.7V±0.1V
105mA typ.
5.0mA typ.
4.200V±0.063V
4.335V±0.065V
3.50V±0.13V
0.80S typ.
0.80S typ.
V
BATT
<4.1V
I
BATC
=0mA
C
CC
=2.22μF
C
CC
=0.22μF
During discharging
12.Current consumption (Vbat pin)
13.Current consumption (Vbat pin)
14.Current consumption (Vbat pin) discharging off, :V
BAT
<2.4V
15.Excess discharging detection voltage
16.Discharge resumption voltage
17.Voltage drop between battery and output (V
BATT
=
3.0V, I
L
=
-
10mA)
18.Voltage drop between battery and output (I
L
=100μA, V
BATT
=3V)
I
L
=10mA
I
L
=0mA
450μA typ.
15μA typ.
0.1μA max.
2.30V±0.19V
2.70V±0.1V
70mV typ.
2.92V typ.
Package
SSOP-16A (MM1214XF)
Application
For overnight charging
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