NCP1835 ON Semiconductor, NCP1835 Datasheet - Page 8

• Manufacturer Part Number: NCP1835
• Description: Integrated Li-Ion Charger
• Manufacturer: ON Semiconductor

End−of−Charge
or FAULT
Trickle
Charge
N
Latch Up Charger
Set FAULT Low
EN Toggled?
Reset Counter
1/8 TIMEOUT?
V
V
Initialization
Power Up
SNS
CC
Charge
Trickle
POR
> V
> V
Y
POR
Y
N
Y
PC
?
?
N
Y
N
Figure 13. Charging Flow Chart
Constant
Current
Charge
N
Charging Flow Chart
V
Keep FAULT High
http://onsemi.com
EOC Indication;
Set CFLG High
SNS
TIMEOUT?
V
SNS
N
NCP1835
< V
TIMEOUT?
Charge
RECH
CC
≥ V
N
8
N
REG
Y
?
?
Y
Y
Y
Constant
Voltage
Charge
N
Inhibit
Charger Inhibited
Start Recharge
I
Reset Counter
TIMEOUT?
ch
Charge
< I
V
CV
V
RECH
EOC
SNS
<
N
Y
Y
?
?
Y
N