M62253FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M62253FP

LITHIUM ION BATTERY CHARGER CONTROL IC

MITSUBISHI ELECTRIC  

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MITSUBISHI(Dig.Ana.INTERFACE)

M62253FP

LITHIUM ION BATTERY CHARGER CONTROL IC

4. Timing chart (a case of application's constants)

(1) Timing of battery connecting detection

Battery connection point

4.1V

50ms

2.55V

≈

0.55s

Voltage

Detection

Current

Detection

55ms

Charge start

(2) Timing of temperature detection

45°C

42.5°C

≈

3°C

50ms

ON

Charge OFF

50ms

50ms

(3) Timing of charging

4.1V

3.9V

3.0V

2.6V

Completion of battery

temperature detection

1.30S

250mA

25mA

0

Charge

ON

LED1 (red) OFF

ON

LED2 (green)

OFF

0.55S

Constant current charge Constant

Constant voltage

current charge charge

120mS

25mA

250mA

Vo=4.1V

Charge

completion

Vo=2.3V

Recharge

(Constant

current charge)

250mA

1.30S

1.20S

(4/5)

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