Philips Universal Serial Bus ISP1122 Specification Sheet page 29

Philips Semiconductors
handbook, full pagewidth
Power switch is low-ohmic PMOS device as specified in
Fig 13. Mode 0: bus-powered hub; ganged port power switching; global overcurrent detection.
9397 750 07002
Product specification
upstream
port
4.50 V(min)
V BUS
D
D
GND
SHIELD
330
k
V CC PSW1/GL1
GND PSW2/GL2
PSW3/GL3
PSW4/GL4
PSW5/GL5/GPSW
INDV
SP/BP
OPTION
ISP1122
OC1
OC2
OC3
OC4
OC5/GOC
Section
Rev. 03 — 29 March 2000
ferrite bead
120
F
ferrite bead
120
F
low-ohmic
PMOS switch
ferrite bead
0.1 F
47 k
120
F
ferrite bead
120
F
12.2.
ISP1122
USB stand-alone hub
downstream
ports
V BUS
4.40 V
D
(min)
D
1
GND
SHIELD
V BUS
4.40 V
D
(min)
D 2
GND
SHIELD
V BUS
4.40 V
D
(min)
D 3
GND
SHIELD
V BUS
4.40 V
D
(min)
D 4
GND
SHIELD
MGR787
© Philips Electronics N.V. 2000. All rights reserved.
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