AAT4625_06 Datasheet, PDF (12/15 Pages) Advanced Analogic Technologies – USB Single-Channel Power Switch

AAT4625
USB Single-Channel Power Switch
Application Circuits
V_BUS = 5.0V
C_IN
R1
0.1μF 100kΩ
USB Controller
Error Flag
On/Off
7 _IN
OUT ^6,8
AAT4625
2 _FLG
1 _EN(EN)
NC ^4,5
3
Ferrite Beads
C_OUT1
0.1μF
C_OUT2
120μF
DATA
Figure 7: Typical USB Host Port Application.
VBUS
D+
D-
GND
4.50V to 5.25V
Upstream V _BUS
100mA Maximum
V_BUS
D+
D-
GND
AAT3220-3.3
IN
OUT
GND
1μF
100kΩ
3.3V USB Controller
VIN
ON/OFF
Over-Current
GND
Flag
1μF
Vcc
5.0V
AAT4625
EN OUT
FLG IN
GND OUT
NC
NC
Ferrite Beads
120μF
0.1μF
USB Port
V_BUS
D+
D-
GND
Data
Data
Figure 8: Self-Powered Single Port USB Hub.
USB Host
V_BUS
D+
D-
GND
AAT3220-3.3
IN
OUT
GND
1μF
100kΩ
3.3V USB Controller
VIN
ON/OFF
Over-Current
GND ^Flag
1μF
AAT4625
EN OUT
FLG
IN
GND OUT
NC
NC
Ferrite Beads
120μF
0.01μF
USB Port
V_BUS
D+
D-
GND
Data
Data
Figure 9: USB Bus Powered Single Port USB Hub.
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4625.2006.04.1.2