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reference designXR22801

MaxLinear XR22801

Hi-Speed USB to 10/100 Ethernet Bridge

Overview

TopologyFlyback Converter
Input voltage5 V
Output 13.3 V
IC revision1B

Description

The XR22801 is a Hi-Speed USB 2.0 compound device with an embeddedhub and 4 downstream USB functions: 10/100 Ethernet Controller,UART, multi-master capable I2C controller, and an Enhanced DedicatedGPIO Entity (EDGE) controller.The upstream USB interface has an integrated USB 2.0 PHY and devicecontroller that is compliant with both Hi-Speed (480Mbps) and Full-Speed(12Mbps) USB 2.0. The vendor ID, product ID, power mode, remotewakeup support and maximum power consumption are amongst the valuesthat can be programmed using the on-chip One-Time Programmable(OTP) memory.The Ethernet controller has an integrated 10/100 Ethernet MAC and PHYand is compliant with IEEE 802.3. The Ethernet controller supports autonegotiation,auto-MDIX, checksum offload, auto-polarity correction in10Base-T and remote wakeup capabilities.The enhanced UART has a maximum data rate of 15 Mbps. Using a fractionalbaud rate generator, any baud rate between 300 bps and 15 Mbpscan be accurately generated. In addition, the UART has a large 1024-byteTX FIFO and RX FIFO to optimize the overall data throughput for variousapplications. The automatic RS485 control feature simplifies both thehardware and software for half-duplex RS-485 applications. If required,the multidrop (9-bit) mode feature further simplifies typical multidrop applicationsby enabling / disabling the UART receiver depending on theaddress byte received.The multi-master capable I2C controller and EDGE controller (up to 16GPIOs) can be accessed via the USB HID interface. The EDGE pins orI2C interface can be used for controlling and monitoring other peripherals.Up to 2 EDGE pins can be configured as a PWM generator

Features

  • USB 2.0 Compliant Interface
  • 10/100 Ethernet Controller
  • Enhanced UART
  • Half-Duplex Mode
  • I2C Multi-master
  • Enhanced Dedicated GPIO Entity (EDGE)
  • Single +5.0V Power Supply Input
  • Regulated +3.3V Output Power
  • Single 25MHz Crystal
  • ±15kV HBM ESD Protection on USB datapins
  • ±8kV HBM ESD Protection on all other pins

Typical applications

  • Factory Automation and Process Controls
  • Test Instrumentation
  • Industrial Applications
  • USB to Ethernet Dongles
  • POS Terminalsb
  • Networking

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
Interface Type
Type
Variant
Gender
Pins
IR(A)
Working Voltage(V (AC))
Packaging
L(mm)
H(mm)
Data rate
PoE
Ports
Tab
Improved CMRR
Operating Temperature
LED
PHY Chip Mode
Mount
Shield Tabs
SamplesAvailability & Sample
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74990112116A
SPECWE-RJ45 LAN Transformer, Standard, –
Simu­lation
Availability
–
Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-RJ45 LAN Transformer
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Length25.4 mm
Height13.55 mm
Data rate100BASE-TX 
PoEnon-PoE 
Ports1x1 
Tab PositionUp 
Improved Common Mode RejectionNo 
Operating Temperature -40 °C up to +85 °C
LED (Left-Right)green-yellow 
PHY Chip Modecurrent & voltage 
MountTHT 
Shield TabsYes 
–Check availability
61400416121
SPECWR-USB Standard Connectors, USB 2.0, Type B
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-USB Standard Connectors
Interface TypeType B 
TypeHorizontal 
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GenderReceptacle 
Pins4 
Rated Current1.5 A
Working Voltage30 V (AC)
PackagingTray 
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–
–
–
–
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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–Check availability
61300811121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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TypeStraight 
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GenderPin Header 
Pins8 
Rated Current3 A
Working Voltage250 V (AC)
PackagingBag 
Length20.32 mm
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–
–
–
–
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
–
–Check availability
61301221121
SPECWR-PHD Pin Header - Dual, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation–
Availability
–
Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
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TypeStraight 
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GenderPin Header 
Pins12 
Rated Current3 A
Working Voltage250 V (AC)
PackagingBag 
Length15.24 mm
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–
–
–
–
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Operating Temperature -40 °C up to +105 °C
–
–
MountTHT 
–
–Check availability
61300411121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
–
Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
–
TypeStraight 
–
GenderPin Header 
Pins4 
Rated Current3 A
Working Voltage250 V (AC)
PackagingBag 
Length10.16 mm
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–
–
–
–
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Operating Temperature -40 °C up to +105 °C
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–
MountTHT 
–
–Check availability
61301621121
SPECWR-PHD Pin Header - Dual, –, –
Simu­lation–
Availability
–
Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
–
TypeStraight 
–
GenderPin Header 
Pins16 
Rated Current3 A
Working Voltage250 V (AC)
PackagingBag 
Length20.32 mm
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–
–
–
–
–
Operating Temperature -40 °C up to +105 °C
–
–
MountTHT 
–
–Check availability
618009211721
SPECWR-DSUB PCB, –, –
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-DSUB PCB
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TypeAngled 
Variantwithout Hex Screw 
GenderMale 
Pins9 
Rated Current3 A
Working Voltage125 V (AC)
PackagingTray 
Length30.8 mm
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–
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Operating Temperature -55 °C up to +105 °C
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–Check availability