FAN5400 Fairchild Semiconductor, FAN5400 Datasheet - Page 23
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FAN5400
Manufacturer Part Number
FAN5400
Description
The FAN5400 combines a highly integrated switched-mode charger, to minimize single-cell Lithium-ion (Li-ion) charging time from a USB power source, and a boost regulator to power a USB peripheral from the battery
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN5400.pdf
(37 pages)
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© 2009 Fairchild Semiconductor Corporation
FAN5400 Family • Rev. 1.0.7
Charge Start
Start T
15MIN
Figure 41. Timer Flow Chart for FAN5400, FAN5402, FAN5403, FAN5405
Reset T
Active?
T
15MIN
32SEC
YES
Figure 42. Timer Flow Chart for FAN5401, FAN5404
from Host control
Start T
Charge Start
Stop T
TMR_RST
bit Set?
Charge
NO
YES
32SEC
15MIN
Reset Registers
YES
received?
I
2
Expired?
C Write
23
T
32SEC
NO
Timer Fault :
NO
Set CE CE
YES
NO
YES
Stop Charging and
Expired?
Reset Registers
T
Timer Fault
15MIN
YES
NO
Charging
Expired?
Continue
T
32SEC
NO
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