Philips ISP1122A Product Data 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 08958
Product data
upstream
port
+4.50 V(min)
V BUS
D+
D−
GND
SHIELD
330
kΩ
V CC PSW1/GL1
PSW2/GL2
GND
PSW3/GL3
PSW4/GL4
PSW5/GL5/GPSW
INDV
SP/BP
OPTION
ISP1122A
OC1
OC2
OC3
OC4
OC5/GOC
Section
Rev. 03 — 30 October 2001
ferrite bead
120
µF
ferrite bead
120
µF
low-ohmic
PMOS switch
0.1 µF
ferrite bead
47 kΩ
120
µF
ferrite bead
120
µF
12.2.
ISP1122A
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
MBL173
© Koninklijke Philips Electronics N.V. 2001. All rights reserved.
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