M62253AGP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M62253AGP

Charge Control IC for Li-Ion Batteries

MITSUBISHI ELECTRIC  

MITSUBISHI <STD-Linear ICs>

M62253AGP

Charge Control IC for Li-Ion Batteries

6. Functional Timing Diagram

(The component values are the same as those of the application circuits)

Notice: The voltage value within [ ] is for 4.2V type battery. And the voltage value

w ithout [ ] is for 4.1V type battery or common value for both (4.1V and 4.2V) battery.

(1) Battery connecting/disconnecting

detection timing

battery is connected

4.1V[4.2V]

Output

voltage

2.55V[2.61V]

49ms

1.15s

(2) Battery temperature detection timing

Battery

Temper.

45deg

42.5deg

Voltage detection

Current detection

106ms

Charge starts

3deg

2.5deg

49ms

Charge ON

OFF

49ms

49ms 49ms

(3) Timing diagram during a charge

4.1V[4.2V]

3.9V[3.99V]

Battery

voltage

3.0V[3.07V]

2.6V[2.66V]

Completion of detecting

the battery temper.

1.15s

250mA[256mA]

Charging

current

25mA[26mA]

0

Charge

LED1 (Red) ON

OFF

LED2 (Green) ON

OFF

Constant

current

charging

106ms

25mA

[26mA]

1.06s

Constant

current

charging

250mA

[256mA]

Constant

voltage

charging

Vo = 4.1V

[4.2V]

Completion

of charging

Vo = 2.55V

[2.61V]

Recharging

Constant

current

charging

250mA

[256mA]

1.15s

1.06s

( 9 / 10)

00-08-24

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