AN137 Silicon_Laboratories, AN137 Datasheet - Page 11

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

Figure 9. Bulk_Charge() Flow Chart (Part 1).
Set Appropriate Flags
B
C
Change Status from
const_C to const_V
Rev. 1.2
No
No
No
No
Yes
Start PWM w/ Zero Output
Calculate bulk_finish_time
Regulate Battery Current
Read Charge Voltage
Status = const_C
Bulk_Charge()
Green LED On
Voltage Within
Within Limits
Yes
Yes
> min_Bulk
BULK & No
<max_V &
Status =
Status =
const_c
Charge
Error?
Limits
A
T
?
V
?
?
?
Yes
Yes
No
D
AN137
11