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AAT3688(2006) 데이터 시트보기 (PDF) - Advanced Analogic Technologies
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AAT3688
(Rev.:2006)
USB Port Lithium-Ion/Polymer Battery Charger
Advanced Analogic Technologies
AAT3688 Datasheet PDF : 23 Pages
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AAT3688
USB Port Lithium-Ion/Polymer Battery Charger
System Operation Flow Chart
SSwwiittcchh
Yes
OOnn
UVLO
V
P
> V
UVLO
Yes
No
SSleleeepp
No
MMooddee
UUSSBBPPoowweerr
PPoowweer
r
OOnn
RReesseett
UUSSBBLLooww
CCuurrrreennt
t
LLoooopp
No
USB Detect
USBSEL > 0
UUSSBBHHigighh
Yes
CCuurrrreennt
t
LLoooopp
Fault
Conditions Monitor
Yes
OV, OT
Yes
No
Recharge Test
V
RCH
> V
BAT
No
Battery
Temperature Monitor
No
V
TS1
< TS < V
TS2
SShhuut
t
DDoowwnn
MMooddee
BBaatttteerryy
TTeemmpp..FFaauultlt
Yes
Yes
Preconditioning Test
V
MIN
> V
BAT
LLoowwCCuurrrreenntt
CCoonnddititioionniningg
CChhaarrggee
No
Current Phase Test
Yes
V
CH
> V
BAT
CCuurrrreenntt
CChhaarrgginingg
MMooddee
No
Voltage Phase Test
Yes
I
BAT
> I
MIN
VVooltltaaggee
CChhaarrgginingg
MMooddee
No
CChhaarrggee
CCoommppleletteedd
UUSSBB VVoollttaaggee
RReegguullaattiioonn
EEnnaabbllee
UUSSBBLLoooopp
CCuurrrreenntt
RReedduuccttioionnininUUSSBB
CChhaarrggininggMMooddee
Yes
No
USB Voltage Test
V
USB
< 4.5V
12
3688.2006.04.1.3
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