M62253AGP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M62253AGP

Charge Control IC for Li-Ion Batteries

MITSUBISHI ELECTRIC  

7. The Application Circuit

MITSUBISHI <STD-Linear ICs>

M62253AGP

Charge Control IC for Li-Ion Batteries

Notice: The voltage value within [ ] is for 4.2V type battery. And the voltage value without [ ]

is for 4.1V type battery or common value for both (4.1V and 4.2V) battery.

LED2

LED1

1uF

2.2uF

VDD VrefSW

C1

Vcc

4.1V[4.2V]

Regulated Supply

4.42V[4.53V]

4.0V<->3.9V[4.1V<->3.99V]

Erroneous

Detection

Preventing

OE

OUT

Constant current

control

ISENSE+

ISET

ISENSE-

OUT

SENSE+

3.0V

[3.07V]

2.6V

[2.66V]

GND

OE

OUT

Constant voltage

control

VSET

VSENSE

Erroneous

Detection

Preventing

Erroneous

Detection

Preventing

Current

detection

1.45V

[1.49V]

3.13V

[3.21V]

SENSE-

VSENSE

to VDD pin

10KOhm

TIN

C3

C2

0.1uF

2.2uF

thermistor

Note : The following thermistor is recommended.

Maker : ISHIZUKA DENSHI

Type :103HT

Characteristic :10kOhm at 25deg

1 Ohm

Battery

The above circuit is shown in a case of 4.1V type battery. When using 4.2V type battery,

make VrefSW pin open.

In a case of charging a battery without a thermistor, a mechanical switch should be

connected to the TIN pin so that the voltage between 1.45V[1.49V] and 3.13V[3.21V]

w ill be supplied to the pin.

(10/ 10)

00-08-24

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