High density isolated PoE and GigE reference design for machine vision cameras and vision sensors
TIDA-010083
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Key Document

Description

Power over Ethernet (PoE) offers an easy and reliable solution to combine power and data in one cable with high data rate and long reach. This combination makes PoE ideal for small devices such as machine vision cameras and vision sensors. This reference design implements a complete PoE powered device (PD) including a 1-Gb/s physical layer and a highly efficient, isolated power solution in a very small form factor of 27 x 27 mm.

Features
  • IEEE802.3at PoE Type 1 PD Class 0: 13 W
  • Flyback with synchronous rectification
    • Optocouplerless primary side feedback
    • 5-V output, accuracy better than ±2%
    • Up to 92% efficiency
  • Additional 24-V auxiliary input
  • 10/100/1000 Mbit/s Ethernet
  • RGMII interface
  • 1x isolated digital outputs
  • 2x isolated digital inputs
  • Small form factor of 27 x 27 mm

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Design Files

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TI Devices (10)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17579Q3A  30V, N ch NexFET MOSFET™, single SON3x3, 14.2mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD19538Q2  100V, N ch NexFET MOSFET™, single SON2x2, 59mOhm  MOSFETs  Sample & Buy Not Available
DP83867IR  Industrial temperature, robust gigabit Ethernet PHY transceiver  Ethernet  Sample & Buy View Design Kits & Evaluation Modules
ISO1212  Dual-channel Isolated 24-V to 60-V digital input receiver for digital input modules  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LM74700-Q1  Low Iq, ideal diode controller  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPD4E05U06  4-Channel Ultra-Low-Capacitance IEC ESD Protection Diode  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPS23758  IEEE 802.3at PoE PD with no-opto sync flyback DC-DC controller  Power over Ethernet (PoE)  Sample & Buy View Design Kits & Evaluation Modules
TPS62801  1.8V-5.5V input, tiny, 1A ultra-low Iq step-down converter in 1.05 x 0.70mm chip scale package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS62802  1.8V-5.5V input, 1-A ultra-low Iq step-down converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TVS3300  33V Flat-Clamp Surge Protection Device  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17579Q3A VSONP (DNH)| 8 Download Download
CSD19538Q2 WSON (DQK)| 6 Download Download
DP83867IR Download Download
Download Download
ISO1212 Download Download
LM74700-Q1 Download -
TPD4E05U06 Download Download
TPS23758 VSON (RJJ)| 23 Download
TPS62801 Download -
TPS62802 Download -
TVS3300 Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

Application notes (1)
Title Type Size (KB) Date
PDF 905 30 Sep 2019
User guides (1)
Title Type Size (KB) Date
PDF 9204 10 Oct 2019
Design files (6)
Title Type Size (KB) Date
ZIP 448 10 Oct 2019
ZIP 3250 10 Oct 2019
PDF 1436 10 Oct 2019
PDF 278 10 Oct 2019
PDF 63 10 Oct 2019
PDF 2477 10 Oct 2019

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