MM1177 데이터 시트보기 (PDF) - Mitsumi

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MM1177

Charge and discharge control for coin-type lithium batteries and manganese dioxide lithium batteries

Mitsumi 

MITSUMI Charge and discharge control for coin-type lithium batteries and manganese dioxide lithium batteries MM1177

Block Diagram

Absolute Maximum Ratings

Item

Storage temperature

Operating temperature

input voltage

Charging voltage

Allowable power dissipation

Charging current

Discharging current

Symbol

TSTG

TOPR

VIN max.

VBAT max.

PD

IBATT

IL

Rating

-40~+125

-20~+70

18

3.5

300

10

1

Units

°C

°C

V

V

mW

mA

mA

Electrical Characteristics (Unless otherwise specified Ta=25°C, VIN=12.0V)

Item

Symbol

Measurement Conditions

Min Typ. Max. Units

Input voltage operation range VINOPR

4.0

15.0 V

Current consumption 1

IIN1

during charging (constant voltage charge)

100 180 µA

Current consumption 2

IIN2

charging off

30 45 µA

Charging current (limiter current) IBATT

VIN=4V~15V, VBATT=2V

4.0 4.5 5.0 mA

Limiter mode off

1177AF

1177BF

VICOFF

3.00

IBATT=4mA

V

2.70

Charging OFF voltage 1177AF

1177BF

VCHOFF

IBATT=0mA, Ta=-20~+70°C

3.20 3.275 3.35 V

2.93 3.00 3.07 V

Current consumption (battery) IBA1

IL=100µA, VBATT=3V

5 8 µA

Leak current when discharging

IBA2

is prohibited

VIN=0V or open

VBATT=3.35V

0.1 µA

Voltage when discharging is prohibited VOOFF

after VIN=0FF

1.60 1.75 1.90 V

Voltage drop between battery

VCEOUT

and output

IL=100µA, VBATT=3V

75 100 mV

OUT2 pin voltage

VOUT2

VCELL=3V

2.85 2.92 3.00 V

Note : Do not connect the OUT2 pin to the load; it does not have current supply capability.

To delay discharge prohibition, or suppress discharge prohibition caused by noise, connect a capacitor

between the OUT2 pin and GND.

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