Product details

Type 3-Axis linear Supply voltage (Vcc) (Min) (V) 1.7 Supply voltage (Vcc) (Max) (V) 3.6 Sensitivity error (%) 20 Rating Catalog Magnetic sensing range (mT) 40, 80, 133, 266 Operating temperature range (C) -40 to 125 Sample rate (kSPS) 20 Interface type I2C
Type 3-Axis linear Supply voltage (Vcc) (Min) (V) 1.7 Supply voltage (Vcc) (Max) (V) 3.6 Sensitivity error (%) 20 Rating Catalog Magnetic sensing range (mT) 40, 80, 133, 266 Operating temperature range (C) -40 to 125 Sample rate (kSPS) 20 Interface type I2C
SOT-23 (DBV) 6 5 mm² 2.9 x 1.6
  • Configurable power modes including:
    • 2.3-mA active mode current
    • 1-µA wake-up and sleep mode current
    • 5-nA sleep mode current
  • Selectable linear magnetic range at X, Y, or Z axis:
    • TMAG5273x1: ±40 mT, ±80 mT
    • TMAG5273x2: ±133 mT, ±266 mT
  • Interrupt signal from user-defined magnetic and temperature threshold cross
  • 5% (typical) sensitivity drift
  • Integrated angle CORDIC calculation with gain and offset adjustment
  • 20-kSPS single axis conversion rate
  • Configurable averaging up to 32x for noise reduction
  • Conversion trigger by I2C or dedicated INT pin
  • Optimized I2C interface with cyclic redundancy check (CRC):
    • Maximum 1-MHz I2C clock speed
    • Special I2C frame reads for improved throughput
    • Factory-programmed and user-configurable I2C addresses
  • Integrated temperature compensation for multiple magnet types
  • Built-in temperature sensor
  • 1.7-V to 3.6-V supply voltage VCC range
  • Operating temperature range: –40℃ to +125℃
  • Configurable power modes including:
    • 2.3-mA active mode current
    • 1-µA wake-up and sleep mode current
    • 5-nA sleep mode current
  • Selectable linear magnetic range at X, Y, or Z axis:
    • TMAG5273x1: ±40 mT, ±80 mT
    • TMAG5273x2: ±133 mT, ±266 mT
  • Interrupt signal from user-defined magnetic and temperature threshold cross
  • 5% (typical) sensitivity drift
  • Integrated angle CORDIC calculation with gain and offset adjustment
  • 20-kSPS single axis conversion rate
  • Configurable averaging up to 32x for noise reduction
  • Conversion trigger by I2C or dedicated INT pin
  • Optimized I2C interface with cyclic redundancy check (CRC):
    • Maximum 1-MHz I2C clock speed
    • Special I2C frame reads for improved throughput
    • Factory-programmed and user-configurable I2C addresses
  • Integrated temperature compensation for multiple magnet types
  • Built-in temperature sensor
  • 1.7-V to 3.6-V supply voltage VCC range
  • Operating temperature range: –40℃ to +125℃

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

The TMAG5273 can be configured through the I2C interface to enable any combination of magnetic axes and temperature measurements. Additionally, the device can be configured to various power options (including wake-up and sleep mode) allowing designers to optimize system power consumption based on their system-level needs. Multiple sensor conversion schemes and I2C read frames help optimize throughput and accuracy. A dedicated INT pin can act as a system interrupt during low power wake-up and sleep mode, and can also be used by a microcontroller to trigger a new sensor conversion.

An integrated angle calculation engine (CORDIC) provides full 360° angular position information for both on-axis and off-axis angle measurement topologies. The angle calculation is performed using two user-selected magnetic axes. The device features magnetic gain and offset correction to mitigate the impact of system mechanical error sources.

The TMAG5273 is offered in four different factory-programmed I2C addresses. The device also supports additional I2C addresses through the modification of a user-configurable I2C address register. Each orderable part can be configured to select one of two magnetic field ranges that suits the magnet strength and component placement during system calibration.

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

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

The TMAG5273 can be configured through the I2C interface to enable any combination of magnetic axes and temperature measurements. Additionally, the device can be configured to various power options (including wake-up and sleep mode) allowing designers to optimize system power consumption based on their system-level needs. Multiple sensor conversion schemes and I2C read frames help optimize throughput and accuracy. A dedicated INT pin can act as a system interrupt during low power wake-up and sleep mode, and can also be used by a microcontroller to trigger a new sensor conversion.

An integrated angle calculation engine (CORDIC) provides full 360° angular position information for both on-axis and off-axis angle measurement topologies. The angle calculation is performed using two user-selected magnetic axes. The device features magnetic gain and offset correction to mitigate the impact of system mechanical error sources.

The TMAG5273 is offered in four different factory-programmed I2C addresses. The device also supports additional I2C addresses through the modification of a user-configurable I2C address register. Each orderable part can be configured to select one of two magnetic field ranges that suits the magnet strength and component placement during system calibration.

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 Low-Power Linear 3D Hall-Effect Sensor With I2C Interface datasheet (Rev. A) PDF | HTML 27 Sep 2021
Application note Sensor Array Fan-out Techniques and Implementation PDF | HTML 21 Oct 2022
Application note Angle Calculation Methods Using Position Sensor Output Data PDF | HTML 19 Oct 2022
User guide TMAG5x73 Evaluation Modules (Rev. C) PDF | HTML 28 Sep 2022
White paper Using Hall-Effect Sensors For Contactless Rotary Encoding and Knob Applications PDF | HTML 01 Aug 2022
Application note Magnet Selection for Linear Position Applications PDF | HTML 05 Jul 2022
Application note Position Sensing in Electronic Smart Locks Using Hall-Effect Sensors PDF | HTML 30 Jun 2022
Analog Design Journal Using hall-effect sensors for contactless linear movement sensing PDF | HTML 31 Mar 2022
Application note Achieving Highest System Angle Sensing Accuracy PDF | HTML 29 Mar 2022
More literature Introduction to Hall-Effect Sensors PDF | HTML 29 Mar 2022
Application note Multi-mover Position Sensing with Linear Motor Transport Systems PDF | HTML 25 Mar 2022
Application note How Hall-Effect Sensors are Used in Electronic Smart Locks PDF | HTML 23 Mar 2022
Application note Hall-Effect Sensors in Vacuum Robots PDF | HTML 22 Mar 2022
Application note Mechanical Advantages of 3D Hall-Effect Sensors in Robotics Designs PDF | HTML 21 Mar 2022
Application note Reed Switch Replacement with TI's Hall-effect and Linear 3D Hall-effect Sensors PDF | HTML 13 Oct 2021
Application note Tracking Slide-By Displacement with Linear Hall-Effect Sensors PDF | HTML 01 Oct 2021
User guide TMAG5170 Slide-By Attachment PDF | HTML 30 Sep 2021
Application note Limit Detection for Tamper and End-of-Travel Detection Using Hall-Effect Sensors (Rev. A) PDF | HTML 24 Aug 2021
User guide Joystick Attachment Guide (Rev. A) PDF | HTML 22 Jul 2021
User guide TMAG5170 Orbital Attachment Assembly Guide (Rev. A) PDF | HTML 19 Jul 2021
Application note Measuring 3D Motion With Absolute Position Sensors PDF | HTML 16 Jul 2021
Application note Head-on Linear Displacement Sensing Using Hall-Effect Sensors PDF | HTML 28 Jun 2021
Certificate TMAG5273EVM EU RoHS Declaration of Conformity (DoC) 25 May 2021
Application note Absolute Angle Measurements for Rotational Motion Using Hall-Effect Sensors PDF | HTML 30 Mar 2021
Application note Linear Hall Effect Sensor Array Design PDF | HTML 08 Oct 2020
Application note Angle Measurement With Multi-Axis Hall-Effect Sensors PDF | HTML 06 Aug 2020
Technical article Understanding tamper detection sensors 18 Nov 2019
Technical article Meter anti-tampering: Stopping those pesky meter tamperers 12 Jan 2016

Design & development

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

Evaluation board

LDC-HALL-HMI-EVM — Evaluation module for inductive touch and magnetic dial contactless user-interface design

This evaluation module (EVM) uses inductive and Hall-effect sensing technologies to provide a human-machine interface. The inductive sensing devices create eight different touch buttons on a seamless surface while the Hall-effect sensor is used to create a magnetic dial that can rotate and be used (...)
User guide: PDF | HTML
Not available on TI.com
Evaluation board

TMAG5273EVM — TMAG5273 evaluation module for low-power, linear 3D Hall-effect sensor with I²C interface

The TMAG5273EVM is an easy-to-use platform to evaluate the main features and performance of the TMAG5273 device, which is a linear 3D Hall-effect sensor. The evaluation module (EVM) includes one magnet and a TMAG5273 daughter board. The EVM works with a sensor controller board (sold separately), (...)

User guide: PDF | HTML
Support software

TMAG5273EVM BSL Batch File (Rev. B)

SBAC295B.ZIP (1134 KB)
Calculation tool

HALL-PROXIMITY-DESIGN — Magnetic sensing proximity tool

HALL-PROXIMITY-DESIGN is a software tool that facilitates rapid iterative design for magnet and Hall-effect sensor systems.
Calculation tool

Magnetic Sensing Proximity Tool (Rev. F)

SLYR071F.ZIP (2180 KB)
Reference designs

TIDA-060039 — Inductive touch and magnetic dial contactless user-interface reference design

This reference design uses inductive and Hall-effect sensing technologies to provide a human-machine interface. The inductive sensing devices create eight different touch buttons on a seamless surface while the Hall-effect sensor is used to create a magnetic dial that can rotate and be used as an (...)
Design guide: PDF
Package Pins Download
SOT-23 (DBV) 6 View options

Ordering & quality

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