M62244FP
F
Fast charge
D
Precharge 1
G
Charging-completed judgement mode
Stop charging
(240-min. timer in (F) continues to count)
Start constant-current charging at 3 mA.
Start constant-current charging at 1.0 A
Reset and start 60-min. timer
Reset and start 240-min. timer
Vcc<4.95V
Vcc<4.95V
6.3V<Vcc
6.3V<Vcc
Start after a delay of 1 s
Detection of
adapter voltage
2/3a
Detection of
adapter voltage
2/3a
A
B
H
A
B
G
H
4.95V<Vcc<6.3V
4.95V<Vcc<6.3V
YES
NG
Detection of
excessive voltage
H
YES
Passage of 10 min.
Passage of 240 min.
OK
NO
NO
NO
Detection of
excessive current
and excessive
voltage
1 s elapses
NG
NG
Detection of
excessive voltage
YES
NO
OK
OK
Passage of 240 min.
Ichg<125mA
G
Vsense<1.0V
Detection of
battery voltage
Detection of
charge-current
YES
3.95V<Vsense
Vsense<3.95V
100mA<Ich
1.0V<Vsense
6.3V<Vcc
Detection of
battery voltage
2.6V<Vsense<
Vcc<4.95V
Vsense<2.6V
H
Detection of
adapter voltage
2/3a
Detection of
battery voltage
A
B
H
4.95V<Vcc<6.3V
4.2V<Vsense
3.95V<Vsense
Vsense<2.6V
Detection of
YES
NG
Start constant-voltage charging at 4.2 V
(240-min. timer continues counting)
Passage of 60 min.
NO
battery voltage
2.6V<Vsense<3.95V
Vcc<4.95V
6.3V<Vcc
F
Detection of
excessive voltage
Detection of
adapter voltage
2/3a
A
B
OK
4.95V<Vcc<6.3V
YES
LED1 off, LED2 on
Vsense<2.0V
Detection of
battery voltage
Passage of 240 min.
G
H
Charging completed
(Stop the timer)
NO
Detection of
2.0V<Vsense
Mask 60-min. timer
NG
excessive current
and excessive
voltage
Vcc<5.2V
6.3V<Vcc
Detection of
adapter voltage
2/3a
B
H
A
OK
E
Vsense<2.6V
2.6V<Vsense<
125mA<Ichg
5.2V<Vcc<6.3V
Detection of
battery voltage
NG
Detection of
excessive voltage
4.2V<Vsense
E
Precharge 2
OK
Detection of
charge-current
3.9V<Vsense
Start constant-current charging at 100 mA.
Reset and start 60-min. timer.
Detection of
battery voltage
Ichg<125mA
Vsense<3.9V
LED1 on, LED2 off
G
Vcc<4.95V
6.3V<Vcc
Detection of
adapter voltage
2/3a
A
B
H
Reset the timer
4.95V<Vcc<6.3V
YES
F
Passage of 60 min.
NO
Detection of
NG
excessive current
and excessive
voltage
OK
1.95V<Vsense<2.9V
Vsense<1.95V
Detection of
battery voltage
2.9V<Vsense
Mask 60-min. timer
F
Rev.1.0, Sep.19.2003, page 9 of 17
RENESAS [ RENESAS TECHNOLOGY CORP ]
