Philips ISP1122A Product Data page 27

Philips Semiconductors
handbook, full pagewidth
+4.95 V(min)
100 Ω
to
1 kΩ
Power switch is low-ohmic PMOS device as specified in
Fig 11. Mode 1: self-powered hub; ganged port power switching; global overcurrent detection.
9397 750 08958
Product data
+4.95 V(min)
+
5.1 V KICK-UP
POWER SUPPLY
−
± 3%
330
kΩ
V CC
PSW1/GL1
GND
PSW2/GL2
PSW3/GL3
PSW4/GL4
PSW5/GL5/GPSW
INDV
SP/BP
OPTION
ISP1122A
OC1
OC2
OC3
OC4
OC5/GOC
Rev. 03 — 30 October 2001
low-ohmic
sense resistor
for overcurrent
detection
low-ohmic
PMOS switch
0.1 µF
47 kΩ
Section 12.2.
ISP1122A
USB stand-alone hub
downstream
ports
ferrite bead
V BUS
+4.75 V
120
D+
(min)
µF
D− 1
GND
SHIELD
ferrite bead
V BUS
+4.75 V
120
D+
(min)
µF
D−
2
GND
SHIELD
ferrite bead
V BUS
+4.75 V
120
D+
(min)
µF
D− 3
GND
SHIELD
ferrite bead
V BUS
+4.75 V
120
D+
(min)
µF
D− 4
GND
SHIELD
ferrite bead
V BUS
+4.75 V
120
D+
(min)
µF
D−
5
GND
SHIELD
MBL171
© Koninklijke Philips Electronics N.V. 2001. All rights reserved.
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