AAT3686IXN-4.2-T1 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT3686IXN-4.2-T1' PDF : 24 Pages View PDF
BatteryManagerTM
PRODUCT DATASHEET
AAT3686
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger
System Operation Flow Chart
OOuuttppuutt
AADDPPPP
ADP
Yes Voltage
Test
ADP > VADPP
No
AADDPP
LLoooopp
ADP
Power Select
USB
Yes
UVLO
Yes
VP > VUVLO
No
Enable
SSwwititcchh
OOnn
No
SSleleeepp
MMooddee
PPoowweer r OOnn
RReesseett
UUSSBBLLooww
CCuurrrreennt t LLoooopp
No USB Detect
USBSEL > 0
ThTehrmeraml aLloop
LooEpnEanbaleble
UUSSBBHHigighh
Yes
CCuurrrreennt t LLoooopp
Fault
Conditions Monitor Yes
OV, OT
Timing
No
Device Temp. Monitor
TJ > 110°C
No
Yes
Recharge Test
No
VRCH > VBAT
Battery
Temp. Monitor
VTS1 <TS<VTS2
Yes
SShhuuttdDoowwnn
MMooddee
Expire
No
BBaatttteerryy
TTeemmpp..FFaauultlt
CChhaarrggee
SSaaffeettyy
TTimimeerr
Yes
TThheerrmmaal l LLoooopp
CCuurrrreenntt
RReedduuccttioionnininAADDPP
CChhaarrggininggMMooddee
Yes
Preconditioning Test
LLoowwCCuurrrreenntt
CCoonnddititioionniningg
Set
VMIN > VBAT
CChhaarrggee
No
Yes
Current Phase Test
VCH > VBAT
CCuurrrreenntt
CChhaarrgginingg
MMooddee
No
Voltage Phase Test Yes
IBAT> IMIN
VVooltltaaggee
CChhaarrgginingg
MMooddee
No
CChhaarrggee
CCoommppleletteedd
UUSSBBVVooltltaaggee
RReegguulalattioionn
EEnnaabblele
UUSSBBLLoooopp
CCuurrrreenntt
RReedduuccttioionnininUUSSBB
CChhaarrggininggMMooddee
Yes
No
USB Voltage Test
VUSB < 4.5V
12
www.analogictech.com
3686.2007.12.1.11
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