AAT3690IWP-4.2-T1 Advanced Analog Technology, Inc., AAT3690IWP-4.2-T1 Datasheet - Page 11

• Manufacturer Part Number: AAT3690IWP-4.2-T1
• Description: 1.0A USB Port/Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: Advanced Analog Technology, Inc.

System Operation Flow Chart
3690.2007.01.1.2
No
Recharge Test
Power On
V
Power On
Reset
RCH
Reset
> V
BAT
Yes
Yes
USB Loop
Current Phase Test
Conditions Monitor
Voltage Phase Test
Loop
V
ADP
Temp. Monitor
TS1
V
Completed
I
EOC
BAT
OV, OT
Battery
Charge
< TS < V
Fault
> I
> V
No
TERM
No
No
BAT
ADP
TS2
Power Select
Yes
Yes
No
Yes
Lithium-Ion/Polymer Battery Charger
USB Voltage
USB
Temp. Fault
Regulation
Shutdown
Charging
Charging
Current
Voltage
Battery
Enable
Mode
Mode
Mode
Yes
Enable
Expire
Timing
V
P
UVLO
1.0A USB Port/Adapter
> V
Charge
Safety
Timer
UVLO
No
Set
Yes
No
Device Temp. Monitor
Reduction in ADP
USB Voltage Test
Reduction in USB
Charging Mode
Charging Mode
Loop Enable
Thermal Loop
Reduction in USB
V
Switch
T
Charging Mode
Yes
Thermal
USB Loop
USB
Sleep
Mode
J
Current
Current
On
USB Loop
> 110°C
Sleep
Mode
Current
< 4.5V
No
Yes
No
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