Daisy-chained power and data over single pair Ethernet (T1) reference design
TIDA-010076
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Key Document
Description
The TIDA-010076 shows the transfer of 220-W power and 100-Mbit/s data over SPE. Communication systems in daisy-chain topology need significantly less hardware and wiring than conventional systems in star-topology. When combined with single-pair Ethernet (SPE, 100BASE-T1) and power over data line, the design gets simplified with fewer wires. Power and data travel over only two wires from node to node.
Features
- SPE with 100 Mbit/s
- One twisted pair for power and communication
- Daisy-chaining of nodes
- Protected against mis-wiring and surge
- Engineered or dynamic link power
- Tested for operating with the 66AK2Gx industrial communications engine
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Schematic/Block Diagram
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Design Guide
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TI Devices (11)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| DP83TC811R-Q1 |
Low-power 100BASE-T1 automotive PHYTER™ Ethernet physical layer transceiver |
Ethernet ICs |
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| INA180 |
26V, 350kHz current sense amplifier |
Current sense amplifiers |
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| LM74700-Q1 |
3.2-V to 65-V, 80-uA IQ automotive ideal diode controller |
Power switches |
Sample & Buy |
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| LM76003 |
3.5V to 60V, 3.5A Synchronous Step-Down Voltage Converter |
Step-down (buck) regulators |
Sample & Buy |
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| LMZ10500 |
5.5V, 0.5A Step-Down DC/DC Power Module in 3mm × 2.6mm Package |
Step-down (buck) regulators |
Sample & Buy |
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| LMZM33603 |
4V to 36V, 3A Step-Down DC/DC Power Module in Compact 7x9x4mm QFN Package |
Step-down (buck) regulators |
Sample & Buy |
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| LP2951 |
100-mA, 30-V, low-dropout voltage regulator with power good & enable |
Power management |
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| MSP430G2332-EP |
Enhanced product Mixed Signal Microcontroller |
Microcontrollers (MCUs) |
Sample & Buy |
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| TLC6C598-Q1 |
Automotive power logic 8-bit Shift Register LED driver |
LED drivers |
Sample & Buy |
Not Available |
| TPD2E2U06-Q1 |
Automotive Dual 1.5-pF, 5.5-V, ±25-kV ESD protection diode for USB & High Speed Interfaces |
Circuit protection ICs |
Sample & Buy |
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| TPS2663 |
4.5-V to 60-V, 31mΩ, 0.6-6A eFuse with output power limiting and surge protection |
Power switches |
Sample & Buy |
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Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
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Technical documentation
See the Important Notice and Disclaimer covering reference designs and other TI resources.
User guide (1)
| Title | Type | Size (KB) | Date |
| | PDF | 3736 |
03 Jun 2020
|
Design files (6)
| | ZIP | 823 |
03 Jun 2020
|
| | ZIP | 7364 |
03 Jun 2020
|
| | PDF | 4302 |
03 Jun 2020
|
| | PDF | 626 |
03 Jun 2020
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| | PDF | 375 |
03 Jun 2020
|
| | PDF | 1607 |
03 Jun 2020
|
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