AAT4626 Datasheet, PDF (12/14 Pages) Advanced Analogic Technologies – USB Dual-Channel Power Switch

AAT4626
USB Dual-Channel Power Switch
4.50V to 5.25V
Upstream V_BUS
100mA Maximum
V_BUS
D+
D-
GND
AAT3200-3.3
IN
OUT
GND
1µF
100k
100k
3.3V USB Controller
VIN
ON/OFF A
Over Current A
Over Current B
1µF
ON/OFF B
GND
V_CC
+5.0V
0.1µF
AAT4626
ENA OUTA
FLGA IN
FLGB GND
ENB OUTB
120µF
USB Port A
Ferrite Beads
V_BUS(A)
D+
0.1µF
D-
GND
Data
Figure 8: Self-Powered Dual Port USB Hub
4.50V to 5.25V
Upstream V_BUS
100mA Maximum
V_BUS
D+
D-
GND
AAT3200-3.3
IN
OUT
GND
1µF
100k
100k
3.3V USB Controller
VIN
ON/OFF A
Over Current A
Over Current B
1µF
ON/OFF B
GND
Data
Figure 9: USB Bus Powered Dual Port USB Hub
120µF
USB Port B
Ferrite Beads
V_BUS(B)
D+
0.1µF
D-
GND
Data A/B
(Two Pair to
USB Controller)
AAT4626
ENA OUTA
FLGA IN
FLGB GND
ENB OUTB
0.1µF
120µF
USB Port A
Ferrite Beads
V_BUS(A)
D+
0.1µF
D-
GND
Data A
120µF
USB Port B
Ferrite Beads
V_BUS(B)
D+
0.1µF
D-
GND
Data B
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4626.2002.1.0.93