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AAT4626 Datasheet, PDF (13/15 Pages) Advanced Analogic Technologies – USB Dual-Channel Power Switch
AAT4626
USB Dual-Channel Power Switch
4.50V to 5.25V
Upstream VBUS
100mA Maximum
VBUS
D+
D-
GND
AAT3200-3.3
IN
OUT
GND
1μF
100kΩ
100kΩ
3.3V USB Controller
VIN
ON/OFF A
Over Current A
Over Current B
1μF
ON/OFF B
GND
VCC
+5.0V
0.1μF
AAT4626
ENA OUTA
FLGA
IN
FLGB GND
ENB OUTB
120μF
USB Port A
Ferrite Beads
VBUS(A)
D+
0.1μF
D-
GND
Data
120μF
USB Port B
Ferrite Beads
VBUS(B)
D+
0.1μF
D-
GND
Data A/B
(Two Pair to
USB Controller)
Figure 8: Self-Powered Dual Port USB Hub.
4.50V to 5.25V
Upstream V BUS
100mA Maximum
VBUS
D+
D-
GND
AAT3200-3.3
IN
OUT
GND
1μF
100kΩ
100kΩ
3.3V USB Controller
VIN
ON/OFF A
Over Current A
Over Current B
1μF
ON/OFF B
GND
AAT4626
ENA OUTA
FLGA
IN
FLGB GND
ENB OUTB
0.1μF
120μF
USB Port A
Ferrite Beads
VBUS(A)
D+
0.1μF
D-
GND
Data
Data A
120μF
USB Port B
Ferrite Beads
VBUS(B)
D+
0.1μF
D-
GND
Data B
Figure 9: USB Bus Powered Dual Port USB Hub.
4626.2006.05.1.2
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