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1177AF

Description
Analog Circuit,
CategoryAnalog mixed-signal IC    The signal circuit   
File Size76KB,3 Pages
ManufacturerMitsumi Electric Co., Ltd.
Download Datasheet Parametric Compare View All

1177AF Overview

Analog Circuit,

1177AF Parametric

Parameter NameAttribute value
MakerMitsumi Electric Co., Ltd.
package instruction,
Reach Compliance Codeunknown
Is SamacsysN
Base Number Matches1
MITSUMI
Charge and discharge control for coin-type lithium batteries and manganese dioxide lithium batteries MM1177
Charge and discharge control for coin-type lithium batteries and
manganese dioxide lithium batteries
Monolithic IC MM1177
Outline
This IC controls constant current charging and excess discharge for coin-shaped vanadium lithium batteries
and manganese dioxide batteries. It performs constant current charging, stops charging at set voltages, and
prevents excess discharging. When the voltage falls bellow a set level, it prohibits discharges and reduces IC
current consumption nearly to zero.
Features
During charging
1. Input voltage range
2. Current consumption (during constant current charging)
3. Current consumption (when charging is off)
4. Charging current
5. Charging shut-off voltage (Ta=-20~+70°C)
During discharging
1. Discharging shut-off voltage
2. Current consumption (I
L
-100µA, V
BATT
=3V)
3. Leak current during discharge shut-off
4. Voltage drop between battery and output (I
L
=100µA, V
BATT
=3V)
4.0~15.0V
100µA typ.
30µA typ.
4.5mA typ.
1177AF : 3.275V±75mV
1177BF : 3.0V±70mV
1.75V±0.15V
5µA typ.
0.1µA max.
2.92V typ.
Package
SOP-8C (MM1177AF, MM1177BF)
Applications
1. coin-shaped vanadium lithium batteries
2. Monitors and controls charging and discharging for and manganese dioxide batteries.
Pin Assignment
1
2
8
7
6
5
3
4
5
1
2
3
4
6
7
SOP-8C
8
N.C
GND
NC
OUT2
OUT1
BATT
N.C
V
IN

1177AF Related Products

1177AF 1177BF
Description Analog Circuit, Analog Circuit,
Maker Mitsumi Electric Co., Ltd. Mitsumi Electric Co., Ltd.
Reach Compliance Code unknown unknown
Is Samacsys N N
Base Number Matches 1 1
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