ISP1521BE-S ST-Ericsson Inc, ISP1521BE-S Datasheet - Page 45
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ISP1521BE-S
Manufacturer Part Number
ISP1521BE-S
Description
IC USB HUB CONTROLLER HS 80-LQFP
Manufacturer
ST-Ericsson Inc
Datasheet
1.ISP1521BE-S.pdf
(56 pages)
Specifications of ISP1521BE-S
Controller Type
USB Hub
Interface
I²C
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Philips Semiconductors
ISP1521_4
Product data sheet
16.3 Self-powered hub configurations
Fig 19. Self-powered hub; individual port power switching; individual overcurrent
3.3 V or
TEST_HIGH
5.0 V
TEST_LOW
V
REF(5V0)
detection
ADOC
GND
POWER SUPPLY
REGULATOR
3.3 V LDO
5 V
VOLTAGE
ISP1521
3
Rev. 04 — 30 March 2006
V
CC
+
PSW5_N
OC5_N
PSW6_N
PSW1_N
PSW4_N
PSW7_N
OC7_N
OC1_N
PSW2_N
OC2_N
PSW3_N
OC4_N
OC6_N
OC3_N
+4.85 V (min)
47 k
47 k
0.1 F
0.1 F
T1
T7
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
120 F
120 F
ferrite bead
ferrite bead
+4.75 V
+4.75 V
ISP1521
(min)
(min)
port connector
downstream
V
D+
D
GND
SHIELD
V
D+
D
GND
SHIELD
004aaa304
port 2
port 6
BUS
BUS
to
44 of 55
1
7