AAT3670 View Datasheet(PDF) - Advanced Analogic Technologies
Part Name
Description
MFG CO.
'AAT3670' PDF : 32 Pages View PDF
BatteryManagerTM
PRODUCT DATASHEET
AAT3670
1.6A Dynamic Battery Charger and Power Manager
No
Enable
Dynamic Charge
VEN_BAT > VEN
Yes
Connect
ADP to BAT
and OUT
Power
Share
No
Current Limit
Test
IOUT > ILIM
Yes
Reduce Charging
Current to BAT
No
IOUT + IBAT > ILIM ?
Yes
Power On
Reset
Yes
UVLO
VP > VUVLO
No
Yes
Switch
On
No
Sleep
Mode
Fault
Condition
Yes
Monitor
OV, OT,
OC
No
Shutdown
Mode
Thermal
Loop Enable
No
Device
Temp. Monitor
TJ > 110degC
Yes
Yes
Battery Temp.
No
Sense
VTS1 < TS < VTS2
Battery
Temperature
Fault
Recharge Test
Yes
VRCH > VBAT ?
Preconditioning
Yes
Test
VMIN > VBAT
No
Low Current
Conditioning
Charge
Expire
Charge Timer
(Enable on
Charger reset)
Set
Thermal Loop
Current Reduction
Current Phase
Yes
Test
VEOC > VBAT
No
Constant Current
Charging Mode
Voltage Phase
Yes
Test
IBAT > ITERM
No
Charge
Complete
Constant Voltage
Charge Mode
Voltage
Regulation
Enable
Charge Reduction
Mode
Yes
Input Voltage
No
Level Test
VADP < VCHR_TH
Figure 2: AAT3670 Operational Flow Chart.
3670.2008.04.1.5
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