MM1291 查看數據表（PDF） - Mitsumi

零件编号

产品描述 (功能)

生产厂家

MM1291

Protection of Lithium Ion Batteries (one cell)

Mitsumi 

MITSUMI

Protection of Lithium Ion Batteries (one cell) MM1291

MM1291BFBE

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 (=4.7kΩ)

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

Item

Symbol Measurement Conditions Min. Typ. Max. Units

1 (Normal mode) (IS1=ICC+IIN)

ICC1

VCC=VIN=3.5V

10.0 14.0 µA

Consumption current 2 (Overdischarge mode) IOP2

VCC=VIN=1.9V

0.7 1.0 µA

Ta=-20°C~70°C

Overcharge detection voltage

VALM

VCC=VIN=3.9V 4.4V

4.200 4.250 4.300 V

VOC : L H

Overcharge reset voltage

VALML

VCC=VIN=4.4V 3.9V

VOC : H L

3.950 4.050 4.150 V

Overcharge hysteresis voltage

VOCH

VOC-VOCR

150 200 250 mV

Excess discharge detection voltage 1 VS1

VCC=VIN=3.1V 2.0V

VGD : H L VCS=0V

2.50 2.60 2.70 V

Excess discharge detection voltage 2 VS2

VCC=VIN=3.1V 2.0V

VCS=0.05V, VGD : H L

2.30 2.40 2.50 V

Excess discharge reset voltage

VDF

VCC=VIN=2.0V 3.1V

VGD : L H

2.78 2.90 3.02 V

Starting voltage

VCC=VIN=2.75V

VST

-0.3 -0.1

V

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

Overcurrent detection voltage

VCS

VCS=0V 0.12V

VGD : H L

90 100 110 mV

Overcurrent protection release

load release (more than 5 MEG)

Excess discharge detection

non-induction time

tOD

* VCC=VIN=3.0V 2.4V, 1

5.0 10.0 15.0 mS

measurement circuit 2, SW1 : b, SW2 : a

Excessive current detection during

non-induction time

tOC1

* VCS=0V VCS, 1

5.0 10.0 15.0 mS

measurement circuit 2, SW1 : a, SW2 : b

Overcurrent non-induction time

* VCC=VIN=4.0V 4.5V, 1

tALM measurement circuit 2, SW1 : b, SW2 : a 0.5 1.0 1.5 S

CTD=0.082µF

* Operating limit voltage 2

GD pin output voltage H

VOP

VGDH

VCC When VGDL2 > 0.4V

VCC=VIN=3.5V

1.2 V

VCC VCC

V

-0.3 -0.1

GD pin output voltage L1

VGDL1

VCS > 1.0V

0.1 0.3 V

GD pin output voltage L2

VGDL2

VCC=VIN=3.5V, VCS=0.5V

0.2 0.4 V

OC pin output current

IOC

VCC=VIN=4.5V, SW1 : b

-30 uA

*1 Refer to input waveforms.

*2 Operation is unstable below the operating limit voltage.

Share Link: