AAT3673 Datasheet, PDF (19/28 Pages) Skyworks Solutions Inc. – 1.6A Dynamic Battery Charger and Power Manager

DATA SHEET
AAT3673
1.6A Dynamic Battery Charger and Power Manager
Power On
Reset
Yes
UVLO
V_ADP > V_UVLO
No
Yes
Switch
On
No
Sleep
Mode
Thermal
Loop Enable
No
Enable
Dynamic Charge
VENBAT > VEN
Yes
Connect
ADP to BAT
and OUT
Power
Share
No
Current
Limit Test
IOUT > ILIM_ADP
Yes
Reduce
Charging
Current to BAT
No
IOUT + ICH_CC
> ILIM_BAT?
Yes
Fault Condition
Yes
Monitor
OV, OT, OC
No
Shutdown
Mode
Battery
Yes _{Temperature Sense.} No
VTS1 < TS < VTS2
Battery
Temperature
Fault
No
Recharge Test ^Yes
V_RCH > V_BAT?
Preconditioning Yes
Test
VMIN > VBAT
No
Low Current
Conditioning
Charge
Device
No Temperature
Monitor
TJ > 110°C
Yes
Expire
Charge Timer
(Enable on
Charger reset)
Thermal Loop
Current Reduction
Set
Current
Phase Test
Yes
VCO(REG) > VBAT
No
Constant Current
Charging Mode
Voltage
Phase Test
Yes
ICH_CC > ICH_TERM
Constant Voltage
Charge Mode
No
Charge
Complete
Voltage
Regulation
Enable
Charge
Reduction
Mode
Yes
Input Voltage
Level Test
No
VADP < VCHR_TH
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201881B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012
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