ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet - Page 44

• Manufacturer Part Number: ISP1521BEUM
• Description: IC USB HUB CONTROLLER HS 80-LQFP
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1521BEUM

• 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: -
• Other names: 568-1884-2; ISP1521BE,518; ISP1521BE-T

CD00222695
Product data sheet
16.3 Self-powered hub configurations
Fig 19. Self-powered hub; individual port power switching; individual overcurrent
3.3 V or
5.0 V
TEST_HIGH
TEST_LOW
V
REF(5V0)
ADOC
detection
GND
POWER SUPPLY −
REGULATOR
3.3 V LDO
5 V ± 3 %
VOLTAGE
ISP1521
Rev. 07 — 4 February 2010
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 kΩ
47 kΩ
0.1 μF
0.1 μF
T1
T7
Hi-Speed USB hub controller
120 μF
120 μF
ferrite bead
ferrite bead
© ST-ERICSSON 2010. All rights reserved.
+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
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