Contactless AC-Current Sensing Using a Hall Effect Sensor TIDA-00218 (ACTIVE)

Description & Features

Technical Documents

Support & Training

Order Now


See the Important Notice and Disclaimer covering reference designs and other TI resources.

Key Document

Description

This TI Design uses Texas Instruments' Hall sensing technology to provide a solution for knowing how much AC current is flowing through a wire without any physical intervention. TIDA-00218 implements a flux concentrator to concentrate the flux around the AC current-carrying wire, rather than letting it escape in air, and then directing that flux to a hall sensor.

Features
  • Contactless proximity current sensing for AC, 3-Phase input currents
  • Maximum measured error less than 5% from 1-A to 10-A rms
  • Flux concentrator as described in this design improves the magnetic flux density by a factor of 6 (15 dB)
  • Only single-point gain correction at maximum current range; second-order curve fit implemented in firmwar
  • Maximum current that can be sensed can be adapted by changing flux concentrator design

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  



Schematic/Block Diagram

Quickly understand overall system functionality.

Download Schematic

Test Data

Get results faster with test and simulation data that's been verified.

Download Test Data

Design Files

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

Download Design Files


TI Devices (5)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV5053  2.5 to 38 V bipolar output Hall effect sensor family  Magnetic sensors  Sample & Buy View Design Kits & Evaluation Modules
MSP430F5529  25 MHz MCU with Integrated USB Phy, 128KB Flash, 8KB RAM, 12Bit/14 Channel ADC, 32BIT HW Multiplier  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TMP103  1.4V-Capable Temperature Sensor with I2C/SMBus Interface in WCSP  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules
TPD3E001  Low-Capacitance 3-Channel +/-15KV ESD-Protection Array for High-Speed Data Interfaces  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPS7A16  60-V, 5-µA IQ, 100-mA low-dropout (LDO) voltage regulator with enable and power good  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV5053 Download Download
Download
MSP430F5529 Download Download
TMP103 Download -
TPD3E001 Download Download
Download -
Download Download
TPS7A16 Download Download
Download Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Step 1: Download and install the free download.

Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 1990 25 Feb 2015
Design files (6)
Title Type Size (KB) Date
ZIP 397 09 Oct 2014
ZIP 1118 09 Oct 2014
PDF 1859 09 Oct 2014
PDF 291 09 Oct 2014
PDF 49 09 Oct 2014
PDF 169 09 Oct 2014

Support & training

Search our extensive online knowledge base where millions of technical questions and answers are available 24/7.

Search answers from TI experts

Content is provided 'AS IS' by the respective TI and Community contributors and does not constitute TI specifications.
See terms of use.

If you have questions about quality, packaging, or ordering TI products visit our Support page.

Technical articles