AN137 Silicon_Laboratories, AN137 Datasheet - Page 13

• Manufacturer Part Number: AN137
• Description: Lithium ION Battery Charger Using C8051f300
• Manufacturer: Silicon_Laboratories

Green LED Off
Status = Delay
END
Figure 11. LowCurrent_Charge() Flow Chart.
No
No
No
LOWCURRENT_charge()
Calculate Finish_time
LOWCURRENT =1
ResetTimeBase()
No ERROR &
Green LED Blinking
within Limits
<max_V
Temp
V
?
?
?
Yes
Yes
Yes
Rev. 1.2
and flag error
from const_C to
Change Status
Stop PWM
const_V
Yes
Yes
No
No
Prepare Flags to enter
Regulate Current
Regulate Voltage
Status = const_V
<BulkThreshold
Within Limits
Finish Time
Lowcurrent
Bulk Mode
reached?
Charge
Voltage
?
V
?
Yes
No
No
Yes
AN137
13