AAT3690IWP-4.2-T1 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT3690IWP-4.2-T1' PDF : 20 Pages View PDF
System Operation Flow Chart
AAT3690
1.0A USB Port/Adapter
Lithium-Ion/Polymer Battery Charger
PoPwoewreOr nOn
ReRseestet
ADP
Loop
ADP
Power Select
USB
Yes
UVLO
Yes
VP > VUVLO
No
Enable
Switch
On
No
SlSeelepep
MModoede
USB Loop
Thermal
Loop Enable
No
Timing
Fault
Yes
Conditions Monitor
OV, OT
No
Yes
Shutdown
Mode
Battery
Temp. Monitor
VTS1 < TS < VTS2
No
Battery
Temp. Fault
Expire
Charge
Safety
Timer
Device Temp. Monitor
TJ > 110°C
Yes
Thermal Loop
Current
Reduction in ADP
Charging Mode
Set
Yes
Yes Current
No
Recharge Test
Current Phase Test
Charging
VRCH > VBAT
VEOC > VBAT
Mode
No
Yes
Voltage Phase Test
IBAT > ITERM
Voltage
Charging
Mode
No
Charge
Completed
USB Voltage
Regulation
Enable
USUBSBLoLoopop
CuCrurerrnetnt
ReRdeudctuiocntioinn UinSUBSB
ChCahrgairngginMg oMdoede
Yes
No
USB Voltage Test
VUSB < 4.5V
3690.2007.01.1.2
11
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