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TIDA-010987

Rogowski coil current sensor reference design

Design files

TIDA-010987

Design files

Overview

This reference design enables end users to evaluate PCB Rogowski coils of different sizes and sensitivities for a wide range of current-sensing applications. The design supports low and high current measurements up to 500A, high precision at 0.2%, and wide bandwidth sensing exceeding 1MHz. The design consolidates these capabilities into a single platform compatible with multiple current-sensing applications.

Features
  • Signal conditioning with multiple component sequence for multiple application evaluation
  • Wide current range:
    • 0.1A–500A adjusted through gain settings
  • Different coil sizes:
    • Six different size breakable coils included on the board
  • Easy to use, plug-in form factor, and no solder needed
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Design files & products

Design files

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

download Design guide — TIDA-010987
PDF | HTML
TIDUFG0.PDF (737 KB)

Reference design overview and verified performance test data

download Assembly drawing — TIDA-010987
SLURB73.PDF (227 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — TIDA-010987
SLVRBX3.PDF (133 KB)

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

download CAD/CAE symbol — TIDA-010987
SLVRBX5.ZIP (3996 KB)

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

download Gerber file — TIDA-010987
SLVC911.ZIP (781 KB)

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

download PCB layout — TIDA-010987
SLVRBX4.PDF (1593 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — TIDA-010987
SLVRBX2.PDF (151 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Precision op amps (Vos<1mV)

TLV2387 — Dual, ultra-high-precision (10 μV) zero-drift (0.01 μV/°C) low-input-bias-current op amp

Data sheet: PDF | HTML
General-purpose op amps

TLV9002 — Dual, 5.5-V, 1-MHz, RRIO operational amplifier for cost-optimized applications

Data sheet: PDF | HTML
Logarithmic amplifiers

LOG300 — 40MHz logarithmic detector with integrated low-noise amplifier

Data sheet: PDF | HTML
DC/DC converters

LM2664 — 1.8-V to 5.5-VIN switched capacitor voltage inverter

Data sheet: PDF | HTML
General-purpose op amps

TL081H — Single, 40-V, 5.25-MHz, 4-mV offset voltage, 20-V/µs, In to V+ op amp with -40°C to 125°C operation

Data sheet: PDF | HTML
Instrumentation amplifiers

INA333 — Low-Power, Zero-Drift, Precision Instrumentation Amplifier

Data sheet: PDF | HTML

Start development

Hardware development

Evaluation board

ADS131M08MET-EVM — ADS131M08 3 Phase Metrology Reference Design

This reference design enables end users to evaluate PCB Rogowski coils of different sizes and sensitivities for a wide range of current-sensing applications. The design supports low and high current measurements up to 500A, high precision at 0.2%, and wide bandwidth sensing exceeding 1MHz. The (...)

EVM user’s guide: PDF | HTML
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-010987 — Rogowski coil current sensor reference design
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ADS131M08MET-EVM — ADS131M08 3 Phase Metrology Reference Design

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Reference design
TIDA-010987 — Rogowski coil current sensor reference design
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Top documentation Type Title Format options Date
* Design guide Rogowski Coil Current Sensor Reference Design PDF | HTML Nov 13, 2025
Application brief Benefits of Switching to Rogowski Coil in E-Metering PDF | HTML Nov 21, 2025

Related design resources

Hardware development

EVALUATION BOARD
ADS131M08MET-EVM — ADS131M08 metrology evaluation module

Reference designs

REFERENCE DESIGN
TIDA-010971 — AC arc fault detection with edge AI for circuit breakers reference design TIDA-010986 — Signal conditioning for Rogowski coil reference design

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