AN137 Silicon_Laboratories, AN137 Datasheet - Page 11
AN137
Manufacturer Part Number
AN137
Description
Lithium ION Battery Charger Using C8051f300
Manufacturer
Silicon_Laboratories
Datasheet
1.AN137.pdf
(36 pages)
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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
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