M62242FP

REJ03F0241-0200 Rev.2.00 Sep 14, 2007

Page 6 of 8

Flow Chart (Noted Equivalent Circuit)

START

Battery Connection /

Temperature

Connecting

No connecting

(S1, S2) = (H, L)

(S1, S2)

= (L, H)

Battery type

TYPE B

(S1, S2)

= (L, L)

(S1, S2)

= (L, L)

TYPE A

Select resistance B (3.0 k

Ω)

SD

= L (Precharge start)

5 minutes timer start

1 hour timer

1 hour timer

5 minutes timer

5 minutes timer

VBAT

> 2.5 V

VBAT

> 3.0 V

Select resistance D (15 k

Ω)

SD

= L (Quick charge start)

1 hour timer start

Select resistance A (12 k

Ω)

SD

= L (Quick charge start)

1 hour timer start

Ichg*

< 70 mA

Ichg*

< 50 mA

SD = H (charge stop)

Recharge

Yes

No

L.T. 1 h

over 1 h

SD = H (charge stop)

VBAT

< 3.90 V

VBAT

< 3.95 V

VBAT

> 4.5 V or < 1.0 V, Ichg* > 1.2 A

Temperature

< −10°C or > 60°C

Noted left is always NG

SD = H (charge stop)

DATA

⇐ TYPE outputs (Detection of battery type)

DATA

⇐ TH outputs (Detection of battery connection)

DATA

⇐ VDIF outputs (Offset revising)

OUT "ON" charge start

208 mA charge constant current

(Precharge)

Select resistance B (3.0 k

Ω)

SD

= L (Precharge start)

5 minutes timer start

DATA

⇐ Output TH/VDIF-pin by turns.

(Detection of battery temperature/charge current)

VBAT

⇐ Output VSENSE-pin voltage (Detection of battery voltage)

<Function of M62242FP>

654 mA constant current

charge start (Quick charge)

763 mA constant current

charge start

VSENSE

= 4.2 V

4.2 V constant

current voltage start

OUT = "H"

Charge completion

OUT = "H"

Charge stop

over 1 h

over 5 m

L.T. 30 m

L.T. 30 m

over 5 m

Yes

Yes

No

No

L.T. 1 h

Yes

Yes

No

No

Condition

Charge

NG

Completion

Other

LED Red

<Function of MCU (M34501)>

on

on/off

off

off

LED Green

off

off

off

on

Recharge

Charge current

VSENSE-pin voltage

4.2 V constant

voltage charge

4.2 V

2.5 V or 3.0 V

Time

VSENSE-pin voltage

208 mA constant

current charge

(Precharge)

654 or 763 mA

constant

current charge

(Quick charge)

208 mA

654 or 763 mA

Charge current

• DATA-pin outputs TYPE/TH/VDIF-pin voltage by turns.

VBAT-pin always outputs VSENSE-pin voltage.

current when battery voltage is

−10°C to 0°C or 50°C to 60°C.

• Charge stops after recognizing abnormal mode when

VBAT

> 4.5 V, VBAT < 1.0 V, VDIF > 3.6 V (Ichg* > 1.2 A), time up,

battery temperature

< −10°C or > 60°C.

• Each detection is decided after coincidence of 3 reading every

0.1 s.

Note Ichg*: Charge current