MM1214 View Datasheet(PDF) - Mitsumi

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Description

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MM1214

Control of Lithium Ion Battery Charging and Discharging

Mitsumi 

MITSUMI

Control of Lithium Ion Battery Charging and Discharging MM1214

Electrical Characteristics (Unless otherwise specified Ta=25°C, VCC, VIN=6.5V)

Item

Symbol

Measurement Conditions Min. Typ. Max. Units

Charging input operation range 1 VINOPR1 During low-current charging (Note 2) 4.50

(15.0) V

Charging input operation range 2 VINOPR2

During rapid charge

4.50

5.5 V

Power supply input operation range VCCOPR

Charging OFF

4.50

15.0 V

Current consumption (VIN pin)

IIN

VBAT < 4.1V

9 12 mA

Current consumption (VCC pin)

ICC

IBATC=0mA

500 750 µA

Current consumption (VBAT pin) 1

IBAT1

IL=10mA, VCC=0V, VBATT=3V

450 550 µA

Current consumption (VBAT pin) 2

IBAT2

IL=0mA, VCC=0V, VBATT=3V

15 30 µA

Current consumption (VBAT pin) 3

IBAT3 VBAT < 2.4V (Discharging OFF), VCC=0V

0.1 µA

Charge control voltage

VBATC

Ta=-20~+70°C

4.137 4.200 4.263 V

Overcharge detection voltage

VBATU

Ta=-20~+70°C

4.270 4.335 4.400 V

Overcharge reset voltage

VBATO

VBATT=4.5V 3.0V

3.37 3.50 3.63 V

Detection voltage margin 1

VUC

VBATU-VBATC, Ta=-20~+70°C 100 135

mV

Charge current conversion voltage

VCH

VBATT=2.0V 3.0V

2.60 2.70 2.80 V

Charge hysteresis voltage

VCH

VBATT=3.0V 2.0V

300 400 500 mV

Charge current (During low voltage) ITCH

VBATT < VCH- VCH

-6.5 -5.0 -3.5 mA

Charge current (Normal)

IBATC1

4.0V > VBAT > VCH

-115 -105 -95 mA

Charge current 1 (Normal)

IBAT1CT Ta=-20~+70°C, VIN=4.5V~5.5V -120 -105 -90 mA

Charge current 2 (Normal)

IBAT2CT Ta=-20~+70°C, VIN=4.5V~6.5V -125 -105 -90 mA

Charge with constant current mode OFF IBATC2

VBAT=4.0V

-115

-80 mA

Excess discharging detection voltage VBATS

VBATT=3.0V 2.0V

2.11 2.30 2.49 V

Discharge resumption voltage

VBATD

VCC > 4.5V

2.60 2.70 2.80 V

Voltage drop between battery and output VCE

VBAT=3.0V, IL=10mA

70 100 mV

VOV pin sink current

ISIVOV

VBATT=4.4V, VVOV=0.4V

1.00 4.00

mA

VOV pin leak current

ILVOV

VBAT=4.0V

0.1 µA

VOV pin output voltage

VVOV

IVOV=1mA

0.25 0.35 V

TCH pin sink current

ISITCH

VBAT=2.0V, VTCH=0.4V

1.00 4.00

mA

TCH pin leak current

ILTCH

VBAT=3.0V

0.1 µA

TCH pin output voltage

VTCH

ITCH=1mA

0.25 0.35 V

CD pin charge current

ICDC

VCD=1.5V, VBAT=4.4V

-800 -600 -400 nA

CD pin discharge current

ICDDC

VCD=1.5V, VBAT=3.0V

500 680 860 nA

CD pin H voltage

VCDH

VBATT=4.5V

2.65 2.90 3.15 V

CD pin threshold voltage 1

VTHC1

VCD=3V 0V

0.65 0.73 0.91 V

CD pin threshold voltage 2

VTHC2

VCD=0V 3V

2.00 2.35 2.70 V

Overvoltage detection non-induction time tDCD1

CCD=0.22µF

0.40 0.80 1.60 S

Overvoltage reset non-induction time tDCD2

CCD=0.22µF

0.40 0.80 1.60 S

Note 2 : During rapid charging, use 5.5 V Vin power supply.

Note 3 : VO2 has no current supply capacity, so do not connect load.

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