Philips Universal Serial Bus ISP1122 Specification Sheet page 27

Philips Semiconductors
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4.95 V(min)
100
to
1 k
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 07002
Product specification
4.95 V(min)
5.1 V KICK-UP
POWER SUPPLY
3%
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
Rev. 03 — 29 March 2000
low-ohmic
sense resistor
for overcurrent
detection
low-ohmic
PMOS switch
0.1 F
47 k
Section 12.2.
ISP1122
USB stand-alone hub
downstream
ports
ferrite bead
V BUS
4.75 V
120
D
(min)
F
D 1
GND
SHIELD
ferrite bead
V BUS
4.75 V
120
D
(min)
F
D 2
GND
SHIELD
ferrite bead
V BUS
4.75 V
120
D
(min)
F
D 3
GND
SHIELD
ferrite bead
V BUS
4.75 V
120
D
(min)
F
D
4
GND
SHIELD
ferrite bead
V BUS
4.75 V
120
D
(min)
F
D 5
GND
SHIELD
MGR785
© Philips Electronics N.V. 2000. All rights reserved.
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