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TIPD205

±100-A Bus Bar Current Sensor using Open-Loop Fluxgate Sensors Reference Design

Design files

TIPD205

Design files

Overview

This single-supply open loop current sensing solution to accurately measure dc, ac and pulsed currents. Allows highly accurate current measurements up to 110 A

Features
  • Current range up to 100 A
  • Integrated fluxgate sensor
  • Sensitivity of 20 mV/A
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Design files & products

Design files

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

download Design guide — TIPD205
TIDUAZ4A.PDF (3188 K)

Reference design overview and verified performance test data

download Schematic — TIPD205
TIDRK71A.PDF (151 K)

Detailed schematic diagram for design layout and components

download Schematic — TIPD205
TIDCBQ8A.ZIP (5521 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIPD205
TIDRK72A.PDF (52 K)

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

download CAD/CAE symbol — TIPD205
TIDRSM3.ZIP (573 K)

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

Products

Includes TI products in the design and potential alternatives.

Signal conditioners

DRV425 — Fully-integrated fluxgate magnetic sensor for open-loop applications

Data sheet: PDF | HTML
Precision op amps (Vos<1mV)

OPA320 — Precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier

Data sheet: PDF | HTML

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Hardware

Evaluation board

DRV425-BUSBAR-EVM — ±100A Bus Bar Current Sensor using Open-Loop Fluxgate Sensors Reference Design Evaluation Assembly

The DRV425-BUSBAR-EVM is a complete bus bar assembly that is a non-invasive (isolated) current measurement solution up to ±100A.  This assembly includes bus bar with a circular cutout, insert, PCB, isolated standoffs, terminal blocks, and interface cable assembly to enable high current (...)
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Technical documentation

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Type Title Date
* Design guide ±100-A Busbar Current Sensor Reference Design Using Open-Loop Fluxgate Sensors (Rev. A) Sep. 01, 2017

Related design resources

Reference designs

REFERENCE DESIGN
TIPD205 — ±100-A Bus Bar Current Sensor using Open-Loop Fluxgate Sensors Reference Design

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