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ISOUSB211DPR Datasheet(PDF) 4 Page - Texas Instruments

Part # ISOUSB211DPR
Description  ISOUSB211 High/Full/Low Speed Isolated USB Repeater
PDF  44 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ISOUSB211DPR Datasheet(HTML) 4 Page - Texas Instruments

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Table 5-1. Pin Functions—28 Pins (continued)
PIN
I/O
DESCRIPTION
NO.
NAME
15
NC
—
Leave floating or connect to V3P3V2.
16
CDPENZ2
I
Active low singal. Enables CDP advertising on DD+/DD- pins.
17
GND2
—
Ground 2. Ground reference for Isolator Side 2.
18
V1P8V2
—
Connect pin 18 to pin 25, with local bypass capacitors near pin 18.
19
EQ21
I
Equalization setting for Side 2, MSB. Logic Input.
20
EQ20
I
Equalization setting for Side 2, LSB. Logic Input.
21
DD+
I/O
Downstream facing port D+.
22
DD-
I/O
Downstream facing port D-.
23
V1OK
O
High level on this pin indicates that side 1 is powered up.
24
VCC2
—
Input Power Supply for Side 2. If a 2.4 V to 5.5 V (example USB power bus, or a DC-DC supply derived
from USB power bus) supply is available connect it to VCC2. In this case an internal LDO generates
V1P8V2. Else, connect VCC2 and V1P8V2 to an external 1.8 V power supply.
25
V1P8V2
—
Power Supply for Side 1. If a 2.4 V to 5.5 V supply is connected to VCC2 connect a bypass capacitor
between V1P8V2 and GND2. In this case an internal LDO generates V1P8V2. Else, connect VCC2 and
V1P8V2 to an external 1.8 V power supply.
26
GND2
—
Ground 2. Ground reference for Isolator Side 2.
27
V3P3V2
—
Power Supply for Side 2. If a 4.25 V to 5.5 V supply is connected to VBUS2 connect a bypass capacitor
between V3P3V2 and GND1. In this case an internal LDO generates V3P3V2. Else, connect VBUS2 and
V3P3V2 to an external 3.3 V power supply.
28
VBUS2
—
Input Power Supply for Side 2. If a 4.25 V to 5.5 V (example USB power bus) supply is available
connect it to VBUS2. In this case an internal LDO generates V3P3V2. Else, connect VBUS2 and V3P3V2 to
an external 3.3 V power supply.
ISOUSB211
SLLSFC5B – NOVEMBER 2021 – REVISED SEPTEMBER 2022
www.ti.com
4
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: ISOUSB211



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