AAT3686IXN-4.2-3-T1 ANALOGICTECH [Advanced Analogic Technologies], AAT3686IXN-4.2-3-T1 Datasheet - Page 12

• Manufacturer Part Number: AAT3686IXN-4.2-3-T1
• Description: USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

System Operation Flow Chart
12
12
BatteryManager
BatteryManager
No
Conditions Monitor
Recharge Test
V
Power On
Power On
RCH
Output
OV, OT
ADPP
Output
Reset
ADPP
Reset
Fault
> V
TM
TM
BAT
Yes
Yes
Yes
No
ADP > V
Current Loop
Current Loop
Current Loop
Current Loop
USB High
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger
USB Low
Voltage
USB High
USB Low
Preconditioning Test
Current Phase Test
Voltage Phase Test
ADP
Test
Loop
ADP
Loop
ADP
Temp. Monitor
V
TS1
No
V
V
Completed
ADPP
Battery
Completed
MIN
CH
<TS<V
I
Charge
BAT
Charge
> V
> V
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
> I
Yes
No
No
No
BAT
MIN
BAT
TS2
ADP
Yes
No
Power Select
USBSEL > 0
Yes
Yes
Yes
USB Detect
No
USB Voltage
Low Current
Conditioning
USB Voltage
USB
Temp. Fault
Low Current
Conditioning
Shutdown
Temp. Fault
Regulation
Shut Down
Charging
Charging
Regulation
Charging
Charging
Current
Voltage
Battery
Charge
Enable
Voltage
Battery
Charge
Current
Mode
Mode
Enable
Mode
Mode
Mode
Mode
Yes
Enable
Timing
Expire
V
P
UVLO
> V
Charge
Safety
Charge
Timer
Safety
Timer
UVLO
PRODUCT DATASHEET
PRODUCT DATASHEET
No
Set
No
Yes
Device Temp. Monitor
USB Voltage Test
Reduction in ADP
Reduction in USB
Reduction in ADP
Reduction in USB
Charging Mode
Charging Mode
AAT3686
AAT3686
Thermal Loop
Loop Enable
Charging Mode
Charging Mode
Thermal Loop
Thermal Loop
Yes
Switch
V
Switch
T
USB Loop
Thermal
USB Loop
USB
On
J
Sleep
Enable
Current
Current
Mode
On
Sleep
Current
Current
Mode
> 110°C
< 4.5V
No
Yes
3686.2007.12.1.11
3686.2007.12.1.11
No