MM1291 查看數據表（PDF） - Mitsumi

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MM1291

Protection of Lithium Ion Batteries (one cell)

Mitsumi 

MITSUMI

Protection of Lithium Ion Batteries (one cell) MM1291

MM1291CFBE

Absolute Maximum Ratings (Ta=25°C)

Item

Symbol

Rating

Units

Storage temperature

TSTG

-40~+125

°C

Operating temperature

TOPR

-20~+70

°C

Power supply voltage

VCC

-0.3~+18

V

VCC-OC pin voltage

VOC

-18~0

V

CS pin voltage

VCS

-0.6~VCC

V

Allowable loss

PD

300

mV

* The CS pin will not cause abnormal operation when connected to protection resistor RCS (=4.7k Ω)

Electrical Characteristics (Unless otherwise specified Ta=25 °C, VCC=VIN=3.5V, VCS=0V, Measurement circuit 1, SW1 : a)

Item

Current consumption 1 (VCC pin)

Current consumption 2 (VCC pin)

Current consumption 1 (VIN pin)

Current consumption 2 (VIN pin)

Current consumption 3 (VCC, VIN pins)

Current consumption 4 (VCC, VIN pins)

Symbol

ICC1

ICC2

IIN1

IIN2

IOP3

IOP4

Overcharge detection voltage

VALM

Overcharge reset voltage

Overcharge hysteresis voltage

Excess discharge detection voltage 1

VALML

VALM

VS1

Excess discharge detection voltage 2 VS2

Excess discharge reset voltage

VDF

Starting voltage

VST

Overcurrent detection voltage

VCS

Overcurrent protection release

Excess discharge detection

non-induction time

tOD

Excessive current detection during

non-induction time

tOC1

Overcurrent detection delay

tOC2

Overcurrent non-induction time

* Operating limit voltage 2

GD pin output voltage H

GD pin output voltage L1

GD pin output voltage L2

OC pin output current

tALM

VOP

VGDH

VGDL1

VGDL2

IOC

Measurement Conditions

VCC=4.5V

VCC=3.5V

VIN=4.5V

VIN=3.5V

VCC=VIN=1.9V

VCC=VIN=1.0V

Ta=-20°C~70°C

VCC=VIN=4.0V 4.2V

VCC : L H

VCC=VIN=4.2V 4.0V

VOC : H L

VALM-VALML

VCC=VIN=3.1V 2.0V

VGD : H L

VCC=VIN=3.1V 2.0V

VCS=0.05V, VGD : H L

VCC=VIN=2.0V 3.1V

VGD : L H

VCC=VIN=2.75V

VCS=0V -0.5V, VGD : L H

VCS=0V 0.17V

VGD : H L

* VCC=VIN=3.0V 2.4V, 1

measurement circuit 2, SW1 : b, SW2 : a

* VCS=0V VCS, 1

measurement circuit 2, SW1 : a, SW2 : b

* VCS=0V 1.0V, 1

measurement circuit 2, SW1 : b, SW2 : a

* VCC=VIN=4.0V 4.5V, 1

measurement circuit 2, SW1 : b, SW2 : a

CTD=0.082µF

VCC When VGDL2 > 0.4V

VCS > 1.0V

VCC=VIN=1.5V

VCC=VIN=4.5V, SW1 : b

Min. Typ. Max. Units

40 60 µA

8.0 11.0 µA

3.0 5.0 µA

2.0 3.0 µA

0.7 1.0 µA

0.17 µA

4.050 4.100 4.150 V

4.018 4.075 4.128 V

18 25 32 mV

2.50 2.60 2.70 V

2.30 2.40 2.50 V

2.78 2.90 3.02 V

-0.3 -0.1

V

135 150 165 mV

load release (more than 5 MEG)

5.0 10.0 15.0 mS

5.0 10.0 15.0 mS

100 µS

0.5 1.0 1.5 S

1.2 V

VCC VCC

V

-0.3 -0.1

0.1 0.3 V

0.2 0.4 V

-30 uA

*1 Refer to input waveforms.

*2 Operation is unstable below the operating limit voltage.

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