M62253AGP

MITSUBISHI <STD-Linear ICs>

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/ 10)

Charge Control IC for Li-Ion Batteries

00-08-24

1.15s

4.1V[4.2V]

2.55V[2.61V]

ON

OFF

49ms

49ms

106ms

2.6V[2.66V]

4.1V[4.2V]

3.9V[3.99V]

3.0V[3.07V]

LED2 (Green)

LED1 (Red)

25mA

[26mA]

250mA

[256mA]

Vo = 4.1V

[4.2V]

Vo = 2.55V

[2.61V]

ON

OFF

ON

OFF

250mA

[256mA]

25mA[26mA]

250mA[256mA]

0

(1) Battery connecting/disconnecting

detection timing

(2) Battery temperature detection timing

battery is connected

Output

voltage

Voltage detection

Current detection

Charge starts

Battery

Temper.

45deg

42.5deg

3deg

Charge

(3) Timing diagram during a charge

Battery

voltage

Completion of detecting

the battery temper.

1.15s

106ms

1.06s

Constant

current

charging

Constant

current

charging

Constant

voltage

charging

Completion

of charging

Recharging

Constant

current

charging

1.15s

1.06s

Charging

current

Charge

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.

2.5deg

9

49ms

49ms

49ms