MM1451 Просмотр технического описания (PDF) - Mitsumi

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MM1451

Protection of Lithium-Ion Batteries (for Double-Protect)

Mitsumi 

MITSUMI

Protection of Lithium-Ion Batteries (for Double-Protect) MM1451

Absolute Maximun Ratings (Ta=25°C)

Item

Symbol

Ratings

Unit

Operating temparature

TOPR

-20~+80

°C

Storage temparature

TSTG

-40~+125

°C

VCC Input voltage

VCC

V1 Input voltage *1

V2 Input voltage *1

V3 Input voltage *1

Ct pin voltage *2

VOUT pin voltage

V1

-0.3~18

V

V2

V3

VCT

-0.3~18

V

VOUT

-0.3~18

V

Allowable loss

Pd

170

mW

* Note 1 : 1 18V >= V3 >= V2 >= V1 >= -0.3

* Note 2 : 2 Do not impress current of 300µA or more on the Ct pin.

Electrical Characteristics (Except where noted otherwise, Ta=25°C, VCEL=V3-V2=V2-V1=V1-GND, VCC=3 VCEL )

Item

Symbol

Current consumption 1

I1

Current consumption 2

I2

Current consumption 3

I3

Current consumption 4

I4

Pin I/O current between cells I3

Overcharge detection voltage VS

Hysterisis voltage

Hys

Overcharge detection delay time TPLH

Output current

IOH

Output leakage current

ILEAK

Measurement conditions

VCEL=3.8V, VCC=VCEL 3

VCEL=3.8V, VCC=VCEL 3

VCEL=2.3V, VCC=VCEL 3

VCEL=2.3V, VCC=VCEL 3

VCEL=3.8V (between V3, V2, V1)

VCEL=L H Ta=-20~+70°C

VCEL=L H L

Ct=0.22µF

VCEL=VCC=4.6V VO=3V

VCEL=3.8V, VCC=18V

Min. Typ. Max. Unit

2.5 3.5 µA

1.5 2.5 µA

0.15 0.3 µA

0.1 0.2 µA

±0.0 ±0.3 µA

4.400 4.450 4.500 V

35 50 65 mV

1.0 1.5 2.0 s

100 500

µA

0.1 µA

Measuring Circuit

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