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TIDA-060043

56G retimer MCB QSFP-DD reference design

TIDA-060043

Design files

Overview

This reference design demonstrates how the 56G PAM-4 retimer DS560DF410 can be used to equalize high-speed signals in active electical cable applications. The design is a module compliance board (MCB) which routes signals from a QSFP-DD connector through a retimer to SMA and MXP connectors in both ingress and egress directions.

Features
  • 8 independent channels for each direction
  • QSFP-DD cable compatibility, for both ingress and egress
  • Host-side Huber-Suhner and SMA compatibility, for both ingress and egress
  • Configurable through electrically erasable programmable read-only memory (EEPROM) or USB-to-I2C communication
  • Headers for all relevant debug and configuration pin controls and interrupts
  • Onboard power regulation for 3.3 V → {1.8 V, 1.2 V} domains
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

PDF | HTML
TIDUF29.PDF (837 K)

Reference design overview and verified performance test data

TIDMBZ8.PDF (913 K)

Detailed schematic diagram for design layout and components

TIDMBZ9.PDF (182 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDMC00.PDF (742 K)

Detailed overview of design layout for component placement

TIDMC02.ZIP (4729 K)

Files used for 3D models or 2D drawings of IC components

TIDCGI2.ZIP (736 K)

Design file that contains information on physical board layer of design PCB

TIDMC01.PDF (4352 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

TPS628672.4-V to 5.5-V input, 6-A synchronous step-down converter in 1.5-mm x 2.5-mm QFN package

Data sheet: PDF | HTML
Auto-direction voltage translators

TXB01088-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15-kV ESD Protect

Data sheet: PDF | HTML
Ethernet retimers, redrivers & mux-buffers

DS560DF41056 Gbps multi-rate 4-channel retimer with crosspoint

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TLV702300-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS7A522-A, low-VIN (1.1-V), low-noise, high-accuracy, ultra-low-dropout (LDO) voltage regulator

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Design guide 56G Retimer QSFP-DD MCB Reference Design PDF | HTML Oct. 09, 2023

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