TIDA-010055

Non-isolated power architecture with diagnostics reference design for protection relay modules

Design files

TIDA-010055

Design files

Overview

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an integrated inductor for size- and design-time-constrained applications, a HotRod™ package type for applications requiring low EMI and linear regulators (LDOs) for low ripple. Protections include a flat clamp TVS for input transient protection, an eFuse with configurable load current for overload protection and an ideal diode controller for input reversal protection. Additional features include an auto-switching power MUX, an analog temperature sensor, an input OK indication, a “no load” detection and a voltage supervisor.

Features

Power supplies for communication module: multiple non-isolated supply rails with varying load currents up to 1.5 A using a DC/DC converter with low IQ and EMI, DC/DC converter in HotRod™ package and DC/DC converter with Eco-mode™
Power supply for analog Input/output modules: ±12-V split-rail supply for analog IO modules generated from a 24-V wide input synchronous buck converter, split rail DC/DC converters and
LDOs and a ±10.5-V split-rail supply generated from 24 V using power modules with an integrated inductor in inverted buck configuration
Performance testing:
- Tested analog IO power supply performance by interfacing to high accuracy AC analog input and DC analog output reference designs
- Tested communication module power supply performance by interfacing to RS-485 EVMs, CAN EVMs and 10/100 ethernet reference design or 10/100/100 copper or fiber interface EVM
Pre compliance testing: tested power supply for electrical fast transients (EFT) and surge per IEC61000-4 and radiated emission per CISPR22

Industrial

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Design files & products

Design files

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

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Design guide — TIDA-010055

TIDUEP9.PDF (4474 KB)

Reference design overview and verified performance test data

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Assembly drawing — TIDA-010055

TIDRZX2.ZIP (828 KB)

Detailed overview of design layout for component placement

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Bill of materials (BOM) — TIDA-010055

TIDRZX1.ZIP (311 KB)

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

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CAD/CAE symbol — TIDA-010055

TIDRZX4.ZIP (9038 KB)

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

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Gerber file — TIDA-010055

TIDCFI7.ZIP (1158 KB)

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

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PCB layout — TIDA-010055

TIDRZX3.ZIP (2674 KB)

PCB layer plot file used for generating PCB design layout

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Schematic — TIDA-010055

TIDRZX0.ZIP (1045 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

TVS diodes

TVS1400 — 14V flat-clamp surge protection device

Data sheet: PDF | HTML

Noninverting buffers & drivers

SN74LVC1G17 — Single 1.65-V to 5.5-V buffer with Schmitt-Trigger inputs

Data sheet: PDF | HTML

DC/DC converters

LM5017 — 7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator

Data sheet: PDF | HTML

Analog temperature sensors

TMP235 — 1C analog temperature sensor, 10 mV/C

Data sheet: PDF | HTML

TVS diodes

TVS3300 — 33V flat-clamp surge protection device

Data sheet: PDF | HTML

DC/DC converters

TPS54302 — 4.5-V to 28-V Input, 3-A Output, EMI Friendly Synchronous Step-Down Converter

Data sheet: PDF | HTML

DC/DC converters

LM5160A — LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter

Data sheet: PDF | HTML

DC/DC converters

LMR33630 — SIMPLE SWITCHER® 3.8V to 36V, 3A Synchronous Buck Converter With Ultra-Low EMI

Data sheet: PDF | HTML

Noninverting buffers & drivers

SN74LVC1G125 — Single 1.65-V to 5.5-V buffer with 3-state outputs

Data sheet: PDF | HTML

DC/DC converters

TPS54202H — 4.5V to 28V Input, 2A Output, Synchronous Step-Down Voltage Converter

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

TPS7A39 — 150-mA, 33-V, low-noise, high-PSRR, dual-channel positive & negative low-dropout voltage regulator

Data sheet: PDF | HTML

Power modules (integrated inductor)

LMZ14202 — SIMPLE SWITCHER® 6V to 42V, 2A Power Module in Leaded SMT-TO Package

Data sheet: PDF | HTML

Hot-swap controllers

TPS2400 — 5.5-V over voltage protection controller with 100-V input transient protection

Data sheet: PDF | HTML

DC/DC converters

TPS54331 — 3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode

Data sheet: PDF | HTML

TVS diodes

TVS0500 — 5V flat-clamp surge protection device

Data sheet: PDF | HTML

Load switches

TPS22917 — 5.5-V, 2-A, 80-mΩ , 10-nA leakage load switch adj. rise time and adj output discharge

Data sheet: PDF | HTML

Analog current-sense amplifiers

INA211-Q1 — AEC-Q100, 26V, bi-directional, high-precision current sense amplifier

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

TLV1117 — 800-mA, 15-V, linear voltage regulator

Data sheet: PDF | HTML

DC/DC converters

LMR33620 — SIMPLE SWITCHER® 3.8V to 36V, 2A Synchronous Buck Converter With Ultra-Low EMI

Data sheet: PDF | HTML

Noninverting buffers & drivers

SN74LVC2G34 — 2-ch, 1.65-V to 5.5-V buffers

Data sheet: PDF | HTML

DC/DC converters

LMR36015 — 4.2-V to 60-V, 1.5-A ultra-small synchronous step-down converter

Data sheet: PDF | HTML

Power modules (integrated inductor)

LMZ14201 — SIMPLE SWITCHER® 6V to 42V, 1A Power Module in Leaded Surface Mount TO Package

Data sheet: PDF | HTML

Power modules (integrated inductor)

TPS826721 — 600mA Fully Integrated, Low Noise Step-Down Converter Module in MicroSiP™ Package

Data sheet: PDF | HTML

LCD & OLED display power & drivers

TPS65130 — Split-Rail Converter with Dual, Positive and Negative Outputs (300mA typ)

Data sheet: PDF | HTML

Series voltage references

REF3425 — 2.5-V, low-drift, low-power, small-footprint series voltage reference

Data sheet: PDF | HTML

Reset & watchdog ICs

TPS3840 — Nanopower high-input voltage supervisor with manual reset and programmable-reset time delay

Data sheet: PDF | HTML

DC/DC converters

TPS560200 — 17V Input, 500mA Synchronous Step-Down Regulator in SOT-23 with Advanced Eco-Mode™

Data sheet: PDF | HTML

Inverting buffers & drivers

SN74LVC2G04 — 2-ch, 1.65-V to 5.5-V inverters

Data sheet: PDF | HTML

DC/DC converters

TLV62080 — 1.2A High Efficient Step Down Converter in 2x2mm SON Package

Data sheet: PDF | HTML

DC/DC converters

TPS54202 — 4.5V to 28V Input, 2A Output, EMI Friendly Synchronous Step-Down Converter

Data sheet: PDF | HTML

Power muxes

TPS2115A — 2.8-V to 5.5-V, 84-mΩ, 1.25-A, power mux with manual, automatic switchover and status outpu

Data sheet: PDF

DC/DC converters

TPS62821 — 2.4-V to 5.5-V input, 1-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package

Data sheet: PDF | HTML

DC/DC converters

LMR36006 — 4.2-V to 60-V, 0.6-A ultra-small synchronous step-down converter

Data sheet: PDF | HTML

DC/DC converters

LM76003 — 3.5V to 60V, 3.5A Synchronous Step-Down Voltage Converter

Data sheet: PDF | HTML

DC/DC converters

LM76002 — 3.5V to 60V, 2.5A Synchronous Step-Down Voltage Converter

Data sheet: PDF | HTML

DC/DC converters

LM5160 — LM5160 wide input 65V, 2A synchronous buck/Fly-Buck™ converter

Data sheet: PDF | HTML

DC/DC converters

TLV62569 — 2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package

Data sheet: PDF | HTML

Power modules (integrated inductor)

LMZM23601 — 36-V, 1-A Step-Down DC-DC Power Module in 3.8-mm × 3-mm Package

Data sheet: PDF | HTML

Shunt voltage references

TL431 — Adjustable precision shunt regulator

Data sheet: PDF | HTML

Reset & watchdog ICs

TPS3839 — Ultra-low power, supply voltage supervisor

Data sheet: PDF | HTML

DC/DC converters

LM5165 — 3V-65V, 150mA Synchronous Buck Converter With Ultra-Low IQ

Data sheet: PDF | HTML

Precision op amps (Vos<1mV)

OPA2376 — Dual, precision, low-noise, low quiescent current operational amplifier

Data sheet: PDF | HTML

Power modules (integrated inductor)

LMZM23600 — 36-V, 0.5-A Step-Down DC/DC Power Module in 3.8-mm × 3-mm Package

Data sheet: PDF | HTML

DC/DC converters

LM5166 — 3V-65V Input, 500mA Synchronous Buck Converter With Ultra-Low Iq

Data sheet: PDF | HTML

Power modules (integrated inductor)

LMZ14201H — SIMPLE SWITCHER® 6V to 42V, 1A High Output Voltage Power Module

Data sheet: PDF | HTML

Power modules (integrated inductor)

TPS82740A — 200-mA Step Down Converter Module with 360nA Iq

Data sheet: PDF | HTML

DC/DC converters

TLV62084 — 2A High Efficient Step Down Converter in 2x2mm SON Package

Data sheet: PDF | HTML

Ideal diode & ORing controllers

LM74610-Q1 — 0.48-V to 42-V, zero IQ automotive ideal diode controller

Data sheet: PDF | HTML

DC/DC converters

TPS54231 — 3.5 to 28V Input, 2A, 570kHz Step-Down Converter with Eco-mode™

Data sheet: PDF | HTML

MOSFETs

CSD18531Q5A — 60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 4.6 mOhm

Data sheet: PDF | HTML

DC/DC converters

TPS560430 — 4V to 36V, 0.6A synchronous step-down SIMPLE SWITCHER® power converter

Data sheet: PDF | HTML

Supply-voltage supervisors

TPS3710 — Wide-VIN voltage detector

Data sheet: PDF | HTML

DC/DC converters

TPS561201 — 4.5V to 17V Input, 1A Synchronous Step-Down Voltage Regulator in 6-pin SOT-23

Data sheet: PDF | HTML

TVS diodes

TVS2700 — 27V flat-clamp surge protection device

Data sheet: PDF | HTML

Noninverting buffers & drivers

SN74LVC1G07 — Single 1.65-V to 5.5-V buffer with open-drain outputs

Data sheet: PDF | HTML

DC/DC converters

LM2735 — 520kHz/1.6MHz space efficient boost and SEPIC DC-DC regulator

Data sheet: PDF | HTML

Analog current-sense amplifiers

INA211 — 26V, bi-directional, high-precision current sense amplifier

Data sheet: PDF | HTML

eFuses (integrated hot swaps)

TPS2662 — 4.5-V to 60-V, 478mΩ, 0.025-0.88A eFuse with integrated input and output reverse polarity protection

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

TLV704 — 150-mA 24-V ultra-low-IQ low-dropout (LDO) voltage regulator

Data sheet: PDF | HTML

Load switches

TPS22941 — 5.5-V, 0.04-A, 500-mΩ, load switch with current limit and active low enable

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

TPS73801 — 1-A, 20-V, adjustable low-dropout voltage regulator with reverse current and voltage protection

Data sheet: PDF | HTML

DC/DC converters

LM27762 — Low-Noise Positive- and Negative-Output Charge Pump With Integrated LDO

Data sheet: PDF | HTML

Reset & watchdog ICs

TPS3828 — Voltage monitor with watchdog timer

Data sheet: PDF | HTML

Shunt voltage references

LM4040 — Fixed voltage, 45-µA, precision micropower shunt voltage reference

Data sheet: PDF | HTML

Analog temperature sensors

LMT84 — 1.5V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

TPS7A05 — 200mA, ultra-low-IQ, high-accuracy, low-dropout voltage regulator with enable

Data sheet: PDF | HTML

MOSFETs

CSD17571Q2 — 30-V, N channel NexFET™ power MOSFET, single SON 2 mm x 2 mm, 29 mOhm

Data sheet: PDF | HTML

Start development

Hardware development

Evaluation board

ADS8588SEVM-PDK — ADS8588S 16-Bit High-Speed 8-Ch Simultaneous-Sampling ADC EVM Performance Demonstration Kit (PDK)

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF

Supported products & hardware

Hardware development

Reference design

TIDA-00834 — High Accuracy Analog Front End Using 16-Bit SAR ADC with ±10V Measurement Range Reference Design

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

TIDA-010065 — High-efficiency, low-emission, isolated DC/DC converter-based analog input module reference design

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ADS8588SEVM-PDK — ADS8588S 16-Bit High-Speed 8-Ch Simultaneous-Sampling ADC EVM Performance Demonstration Kit (PDK)

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Reference design

TIDA-00834 — High Accuracy Analog Front End Using 16-Bit SAR ADC with ±10V Measurement Range Reference Design

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

TIDA-010065 — High-efficiency, low-emission, isolated DC/DC converter-based analog input module reference design

Evaluation board

DP83869EVM — Copper & fiber industrial Ethernet PHY evaluation module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF | HTML

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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DP83869EVM — Copper & fiber industrial Ethernet PHY evaluation module

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

ISO1042DWEVM — ISO1042DW High Speed, High Performance, Robust EMC Isolated CAN Evaluation Module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF

Supported products & hardware

Hardware development

Reference design

TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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ISO1042DWEVM — ISO1042DW High Speed, High Performance, Robust EMC Isolated CAN Evaluation Module

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TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

ISO1500DBQEVM — ISO1500DBQ ultra-small package, isolated RS-485 evaluation module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF

Supported products & hardware

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Reference design

TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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ISO1500DBQEVM — ISO1500DBQ ultra-small package, isolated RS-485 evaluation module

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TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

ISO224EVM — ISO224 evaluation module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF

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Reference design

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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ISO224EVM — ISO224 evaluation module

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

ISO7741EVM — ISO7741 high-speed, robust EMC quad-channel digital isolator evaluation module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF

Supported products & hardware

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Reference design

TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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ISO7741EVM — ISO7741 high-speed, robust EMC quad-channel digital isolator evaluation module

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TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

ISOW7841EVM — ISOW7841 quad-channel digital isolator with integrated DC/DC converter evaluation module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF

Supported products & hardware

Hardware development

Reference design

TIDA-00847 — Size and Cost Optimized Binary Module Reference Design Using Digital Isolator with Integrated Power

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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ISOW7841EVM — ISOW7841 quad-channel digital isolator with integrated DC/DC converter evaluation module

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TIDA-00847 — Size and Cost Optimized Binary Module Reference Design Using Digital Isolator with Integrated Power

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

LM2596S-ADJEVM — LM2596 Step-Down Converter Evaluation Module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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LM2596S-ADJEVM — LM2596 Step-Down Converter Evaluation Module

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

LP87322Q1EVM — LP873220-Q1 Dual High-Current Buck Converters and Dual Linear Regulator Evaluation Module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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LP87322Q1EVM — LP873220-Q1 Dual High-Current Buck Converters and Dual Linear Regulator Evaluation Module

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

Evaluation board

RS485-HF-DPLX-EVM — RS-485 half-duplex evaluation module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF | HTML

Supported products & hardware

Hardware development

Reference design

TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

TIDEP-0101 — Tamagawa Encoder Interface Protocol on AM437x Reference Design

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RS485-HF-DPLX-EVM — RS-485 half-duplex evaluation module

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

TIDEP-0101 — Tamagawa Encoder Interface Protocol on AM437x Reference Design

Evaluation board

TCAN1042DEVM — TCAN10xx controller area network (CAN) evaluation module

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)

EVM user’s guide: PDF | HTML

Supported products & hardware

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Reference design

TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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TCAN1042DEVM — TCAN10xx controller area network (CAN) evaluation module

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TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

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