MM1294 查看數據表（PDF） - Mitsumi

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MM1294

Protection of Lithium Ion Batteries (four cells in series)

Mitsumi 

MITSUMI

Protection of Lithium Ion Batteries (four cells in series) MM1294

Recommended Operating Conditions

Item

Operating temperature

Operating voltage

Symbol

TOPR

VOPR

Ratings

-20~+70

+2~+24

Units

°C

V

Electrical Characteristics (Except where noted otherwise, Ta=25°C, VCC=20V, VCELL=V4=V3=V2=V1)

Item

Symbol

Measurement conditions

Min. Typ. Max. Units

Consumption current (VCC pin) 1

ICC1

VCELL=4.4V

170 340 µA

Consumption current (VCC pin) 2

ICC2

VCELL=3.5V

35 70 µA

Consumption current (VCC pin) 3

ICC3

VCELL=2.2V

0.1 µA

Consumption current (V4 pin) 1

IV41

VCELL=4.4V

15 30 µA

Consumption current (V4 pin) 2

IV42

VCELL=3.5V

5 10 µA

Consumption current (V4 pin) 3

IV43

VCELL=2.2V

2 4 µA

V3 pin input current 1

IV3

VCELL=3.5V

±300 nA

V3 pin input current 2

IV3A

VCELL=4.4V

-0.6 -0.3 0 µA

V2 pin input current 1

IV2

VCELL=3.5V

±300 nA

V2 pin input current 2

IV2A

VCELL=4.4V

-0.6 -0.3 0 µA

V1 pin input current 1

IV1

VCELL=3.5V

±300 nA

V1 pin input current 2

IV1A

VCELL=4.4V

-0.6 -0.3 0 µA

Overcharge detection voltage

VCELLU Ta=-20~+70°C, VCELL : 3.7V 4.5V 4.20 4.25 4.30 V

Overcharge detection release voltage VCELL0

VCELL : 4.5V 3.7V

VCELLU VCELLU VCELLU

V

-260mV -200mV -140mV

Overcharge sensing dead time

tOV

COV=0.1µF

0.5 1.0 1.5 S

Overcharge sensing operation voltage VALM

VCELL : 3.5V 4.4V

3.95 4.10 4.25 V

Overdischarge sensing hysteresis voltage VALM

VCELL : 4.4V 3.5V

130 230 330 mV

Overdischarge detection voltage VCELLS

VCELL : 3.5V 2.0V

2.30 2.40 2.50 V

Discharge resume voltage

VCELLD

VCELL : 2.0V 3.5V

2.95 3.10 3.25 V

Overdischarge sensing hysteresis voltage VCSD

VCELLD-VCELLS

490 700 910 mV

Overdischarge sensing dead time tCDC1

CCDC=0.1µF

0.5 1.0 1.5 S

Overdischarge reset dead time

tCDC2

CCDC=0.1µF, VCS=VCC+0.3V

7

mS

Overcurrent detection voltage

VOC

VCC-VCS, DCHG

0.135 0.150 0.165 V

Overcurrent sensing dead time

tCOL1

CCOL=0.001µF, DCHG

5 10 15 mS

Overcurrent reset dead time

tCOL2

CCOL=0.001µF, DCHG

5 10 15 mS

Overcurrent sensing delay time

tCOL3

CCOL=0, DCHG

150

µS

Overcurrent reset delay time

tCOL4

CCOL=0, DCHG

150

µS

Overcurrent protection release

Open-load condition 300 kΩ

DCHG pin source current

ISODCH VCELL < VCELLS, SW1 : A, VDCHG=VCC-1.8V 20

µA

DCHG pin sync current

ISIDCH VCELL > VCELLS, SW1 : A, VDCHG=0.8V 20

µA

DCHG pin output voltage H

VTHDCH

VCC-VDCHG, ISO=20µA, SW1 : B

1.8 V

DCHG pin output voltage L

VTHDCL VDCHG-GND, ISI=-20µA, SW1 : B

0.8 V

OV pin sync current

ISIOV

VOV=0.4V, Ta=-20~+70°C

0.2

mA

PF pin sync current

ISIPF

VPF=0.4V, Ta=-20~+70°C

10

µA

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