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TMAG5273

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Three-axis linear Hall-effect sensor with I²C output interface

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Product details

Parameters

Type 3-Axis linear Supply voltage (Vcc) (Min) (V) 1.7 Supply voltage (Vcc) (Max) (V) 3.6 Accuracy (%) 20 Rating Catalog Output I2C Operating temperature range (C) -40 to 85 open-in-new Find other Linear Hall-effect sensors

Package | Pins | Size

SOT-23 (DBV) 6 open-in-new Find other Linear Hall-effect sensors

Features

  • 5% (Typical) Sensitivity Drift Across Operating Temperature
  • Integrated Temperature Compensation for Multiple Magnet Types
  • Selectable Linear Magnetic Sensitivity Range at X, Y, or Z Axis:
    • TMAG5273A1: ±40 mT, ±80 mT
    • TMAG5273A2: ±133 mT, ±266 mT
  • Maximum 1-MHz I2C Clock Speed
  • Cyclic Redundancy Check (CRC) with I2C Read
  • Maximum 20-Ksps Sensing Bandwidth per Axis
  • Interrupt Pin for Conversion Trigger and Status Update
  • Integrated Angle CORDIC calculation with Gain and Offset Adjustment
  • 1.7-V to 3.6-V Supply Voltage VCC Range
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Description

The TMAG5273 is a 3-Axis (3D) linear Hall effect sensor designed for wide range of industrial and personal electronics applications. This device integrates 3 independent Hall sensors in X, Y, and Z axes. A precision analog signal-chain along with integrated 12-bit AD converter digitizes the measured analog magnetic field values. The I2C interface, while supporting multiple operating VCC ranges, ensures seamless data communications with low-voltage microcontrollers. The device integrated temperature sensor data is available for multiple system functions, such as thermal budget check or temperature compensation calculation for a given magnetic field.

The TMAG5273 can be configured to enable any magnetic fields and temperature measurements at any order required for a particular application. The device supports user defined interrupt and conversion trigger functions either through a dedicated INT pin, or through I2C line. Threshold detection features, along with wake up from sleep mode, enable flexible system design to optimize speed versus power consumption. Multiple diagnostics features enhance system design robustness and data integrity.

The device is offered in two different orderables for separate magnetic field ranges. Each orderable part can be configured further to select one of two magnetic field ranges that suits the magnet strength and component placements during system calibration. The high level of integration provides flexibility and cost effectiveness in a wide array of sensing system implementations.

The device performs consistently across a wide ambient temperature range of –40°C to +125°C.

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Technical documentation

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Type Title Date
* Data sheet TMAG5273 3-Axis Linear Hall Effect Sensor With I2C Interface datasheet Jun. 14, 2021
Application note Head-on Linear Displacement Sensing Using Hall-Effect Sensors Jun. 28, 2021
User guide TMAG5273 Evaluation Manual May 25, 2021
Certificate TMAG5273EVM EU RoHS Declaration of Conformity (DoC) May 25, 2021
Technical article What is a Hall-effect sensor? May 17, 2021
Application note Limit Detection for Tamper and End-of-Travel Detection Using Hall-Effect Sensors Mar. 29, 2021

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
Description

The TMAG5273EVM is an easy-to-use platform for evaluating the main features and performance of the TMAG5273 device, which is a three-dimensional, linear Hall-effect sensor. The evaluation module (EVM) includes two magnets, a TMAG5273 daughter board, and a sensor controller board (SCB) that enables (...)

Features
  • Easy-to-use platform for evaluating the main features and performance of the TMAG5273
  • Includes GUI for reading and writing registers as well as viewing and saving measurement results
  • USB powered; no external power supply is required

Software development

SUPPORT SOFTWARE Download
SBAC295.ZIP (566 KB)

CAD/CAE symbols

Package Pins Download
SOT-23 (DBV) 6 View options

Ordering & quality

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  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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