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TIDA-00126

EMC Compliant High Side Current Sensing Reference Design with Overvoltage Protection

Design files

TIDA-00126

Design files

Overview

This reference design focuses on high-side current measurement using a family of TI's voltage output current shunt monitors. It can be used for measuring high-side current in industrial applications, where the common-mode dynamics can drop below ground. Overall the design helps designers build Electromagnetic Compatibility (EMC) compliant circuitry around current shunt monitor devices while achieving high-accuracy current monitoring solutions in presence of wide range of common-mode voltages from -14V to +80V.

Features
  • Wide common mode input range: -14V to 80V
  • Overvoltage protection: 45V
  • EFT protection up to 1KV as per IEC61000-4-4
  • >130dB CMRR for DC-10Hz
  • Overall accuracy better than 2%
  • 70 µV offset and 1.4% gain error
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Design files & products

Design files

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

download Design guide — TIDA-00126
TIDU227.PDF (2342 KB)

Reference design overview and verified performance test data

download Bill of materials (BOM) — TIDA-00126
TIDR414.PDF (48 KB)

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

download Schematic — TIDA-00126
TIDC289.ZIP (221 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIDA-00126
TIDR413.PDF (95 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Analog current-sense amplifiers

INA285 — -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA284 — -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA283 — -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA282 — -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA286-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA285-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA282-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA284-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA283-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA286 — -14 to 80V, bi-directional current sense amplifier

Data sheet: PDF | HTML

Start development

Hardware development

Evaluation board

INA282-286EVM — INA282-286 Evaluation Module

This reference design focuses on high-side current measurement using a family of TI's voltage output current shunt monitors. It can be used for measuring high-side current in industrial applications, where the common-mode dynamics can drop below ground. Overall the design helps designers build (...)

EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00126 — EMC Compliant High Side Current Sensing Reference Design with Overvoltage Protection
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INA282-286EVM — INA282-286 Evaluation Module

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TIDA-00126 — EMC Compliant High Side Current Sensing Reference Design with Overvoltage Protection
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Technical documentation

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Type Title Date
* Design guide EMC Compliant High-Side Current Sensing With Overvoltage Protection Design Guide Feb 13, 2014
Technical article How to get started with current sense amplifiers – part 3 PDF | HTML Jul 9, 2015

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