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Data Sheet

ManualsBrandsON SEMICONDUCTOR ManualsPMICsPMIC - battery management Charge management Li-Ion, Li-Po WLCSP 20 Surface-mount
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© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN5400 Family • Rev. 1.10 23
FAN5400 Family — USB-Compliant Single-Cell Li-Ion Switching Charger with USB-OTG Boost Regulator
Charge Start
Start T
15MIN
T
15MIN
Active?
Reset Registers
YES
NO
Start T
32SEC
Stop T
15MIN
I
2
C Write
received?
YES
T
15MIN
Expired?
NO
Continue
Charging
T
32SEC
Expired?
YES
NO
NO
YES
Timer Fault :
Set CE
CE
Figure 41. Timer Flow Chart for FAN5400, FAN5402, FAN5403, FAN5405
Charge Start
from Host control
Charge
T
32SEC
Expired?
YES
Timer Fault
Stop Charging and
Reset Registers
TMR_RST
bit Set?
Reset T
32SEC
YES
NO
NO
Figure 42. Timer Flow Chart for FAN5401, FAN5404