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TMAG5170

ACTIVE

High-precision, linear 3D Hall-effect sensor with SPI bus interface

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Data sheet

TMAG5170

ACTIVE
Data sheet Order now

Product details

Type 3-Axis linear Interface type SPI Magnetic sensing range (mT) 25, 50, 75, 100, 150, 300 Sensitivity error (%) 2.5 Sample rate (ksps) 20 Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 150
Type 3-Axis linear Interface type SPI Magnetic sensing range (mT) 25, 50, 75, 100, 150, 300 Sensitivity error (%) 2.5 Sample rate (ksps) 20 Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 150
VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • High-precision linear 3D Hall-effect sensor to optimize position sensing speed and accuracy:
    • Linear measurement total error: ±2.6% (maximum at 25°C)
    • Sensitivity temperature drift: ±2.8% (maximum)
    • 20-Ksps conversion rate for single axis
  • 10-MHz serial peripheral interface (SPI) with cyclic redundancy check (CRC)
  • Built-in temperature sensor with < ±2°C error
  • Independently selectable X, Y, and Z magnetic ranges:
    • TMAG5170A1: ±25, ±50, ±100 mT
    • TMAG5170A2: ±75, ±150, ±300 mT
  • 5-nA (typical) deep sleep mode current
  • Autonomous wake-up and sleep mode for threshold detection consuming only 1.5 µA
  • ALERT function to initiate sensor conversion or indicate conversion complete
  • Integrated diagnostics for fault detection
  • Integrated angle CORDIC calculation with gain and offset adjustment
  • 2.3-V to 5.5-V supply voltage range
  • Operating temperature range: –40°C to +150°C
  • High-precision linear 3D Hall-effect sensor to optimize position sensing speed and accuracy:
    • Linear measurement total error: ±2.6% (maximum at 25°C)
    • Sensitivity temperature drift: ±2.8% (maximum)
    • 20-Ksps conversion rate for single axis
  • 10-MHz serial peripheral interface (SPI) with cyclic redundancy check (CRC)
  • Built-in temperature sensor with < ±2°C error
  • Independently selectable X, Y, and Z magnetic ranges:
    • TMAG5170A1: ±25, ±50, ±100 mT
    • TMAG5170A2: ±75, ±150, ±300 mT
  • 5-nA (typical) deep sleep mode current
  • Autonomous wake-up and sleep mode for threshold detection consuming only 1.5 µA
  • ALERT function to initiate sensor conversion or indicate conversion complete
  • Integrated diagnostics for fault detection
  • Integrated angle CORDIC calculation with gain and offset adjustment
  • 2.3-V to 5.5-V supply voltage range
  • Operating temperature range: –40°C to +150°C

The TMAG5170 is a high-precision linear 3D Hall-effect sensor designed for a wide range of industrial and personal electronics applications. The high level of integration offers flexibility and accuracy in a variety of position sensing systems. This device features 3 independent Hall sensors at X, Y, and Z axes.

A precision signal-chain along with an integrated 12-bit ADC enables high accuracy and low drift magnetic field measurements while supporting a sampling of up to 20 ksps. On-chip temperature sensor data is available for system-level drift compensation.

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 TMAG5170 can be configured through the SPI to enable any combination of magnetic axes and temperature measurements. Multiple sensor conversion schemes and SPI read frames help optimize throughput and accuracy. A dedicated ALERT 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.

The TMAG5170 offers multiple diagnostics features to detect and report both system and device-level failures. The SPI communication features a user-enabled cyclic redundancy check to enhance the data integrity.

The device is offered in two different orderables to support wide magnetic fields ranges from ±25mT to ±300mT.

The device performs consistently across a wide ambient temperature range of –40°C to +150°C.

The TMAG5170 is a high-precision linear 3D Hall-effect sensor designed for a wide range of industrial and personal electronics applications. The high level of integration offers flexibility and accuracy in a variety of position sensing systems. This device features 3 independent Hall sensors at X, Y, and Z axes.

A precision signal-chain along with an integrated 12-bit ADC enables high accuracy and low drift magnetic field measurements while supporting a sampling of up to 20 ksps. On-chip temperature sensor data is available for system-level drift compensation.

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 TMAG5170 can be configured through the SPI to enable any combination of magnetic axes and temperature measurements. Multiple sensor conversion schemes and SPI read frames help optimize throughput and accuracy. A dedicated ALERT 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.

The TMAG5170 offers multiple diagnostics features to detect and report both system and device-level failures. The SPI communication features a user-enabled cyclic redundancy check to enhance the data integrity.

The device is offered in two different orderables to support wide magnetic fields ranges from ±25mT to ±300mT.

The device performs consistently across a wide ambient temperature range of –40°C to +150°C.
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TMAG5170 won second in Elektronik’s Product of the Year Measurement & Sensing category.

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Technical documentation

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Type Title Date
* Data sheet TMAG5170 High-Precision 3D Linear Hall-Effect Sensor With SPI datasheet PDF | HTML 01 Sep 2021
Application brief Absolute Angle Measurements for Rotational Motion Using Hall-Effect Sensors (Rev. B) PDF | HTML 24 May 2024
Application brief Measuring 3D Motion With Absolute Position Sensors (Rev. B) PDF | HTML 23 May 2024
Application brief Head-on Linear Displacement Sensing Using Hall-Effect Sensors (Rev. A) PDF | HTML 22 May 2024
Application brief Multi-mover Position Sensing With Linear Motor Transport Systems (Rev. A) PDF | HTML 21 May 2024
User guide TMAG5170 Slide-By Attachment (Rev. A) PDF | HTML 21 May 2024
Application brief Tracking Slide-By Displacement With Linear Hall-Effect Sensors (Rev. B) PDF | HTML 21 May 2024
Application note Gear-Tooth Detection With Back-Biased 3D Hall-Effect Sensors PDF | HTML 29 Apr 2024
Certificate TIDA-060045 EU Declaration of Conformity (DoC) 09 Apr 2024
EVM User's guide TMAG5170UEVM User's Guide (Rev. C) PDF | HTML 12 Feb 2024
Certificate TMAG5170UEVM EU RoHS Declaration of Conformity (DoC) (Rev. A) 23 Jan 2024
User guide Joystick and Lever Design With Hall-Effect Sensors (Rev. A) PDF | HTML 21 Dec 2023
Application brief Introduction to TI Magnetic Sense Simulator Features PDF | HTML 05 Dec 2023
User guide Texas Instruments' Magnetic Sense Simulator User's Guide PDF | HTML 04 Dec 2023
Application brief Angle Calculation Methods Using Position Sensor Output Data (Rev. A) PDF | HTML 19 May 2023
Application brief Hall-Effect Sensors for Steering Column Control (Rev. A) PDF | HTML 08 May 2023
Application brief Sensor Array Fan-out Techniques and Implementation (Rev. A) PDF | HTML 05 May 2023
White paper Using Hall-Effect Sensors For Contactless Rotary Encoding and Knob Applications (Rev. A) PDF | HTML 01 May 2023
Application note Angle Measurement With Multi-Axis Hall-Effect Sensors (Rev. A) PDF | HTML 30 Apr 2023
Application note Achieving Highest System Angle Sensing Accuracy (Rev. A) PDF | HTML 19 Apr 2023
Application note 3D Hall-Sensor Application in Vacuum Robots Collision PDF | HTML 29 Mar 2023
Certificate TMAG5170DEVM EU RoHS Declaration of Conformity (DoC) 20 Jan 2023
Technical article 3 tips to optimize data reliability with sensors in real-time control systems PDF | HTML 09 Aug 2022
Application note Magnet Selection for Linear Position Applications (Rev. B) PDF | HTML 05 Jul 2022
Application note Position Sensing in Electronic Smart Locks Using Hall-Effect Sensors PDF | HTML 30 Jun 2022
Technical article 6 more myths about Hall-effect sensors PDF | HTML 31 May 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
Product overview Introduction to Hall-Effect Sensors (Rev. B) PDF | HTML 29 Mar 2022
Application brief How Hall-Effect Sensors are Used in Electronic Smart Locks PDF | HTML 23 Mar 2022
Application brief Hall-Effect Sensors in Vacuum Robots PDF | HTML 22 Mar 2022
Application brief Mechanical Advantages of 3D Hall-Effect Sensors in Robotics Designs (Rev. A) PDF | HTML 21 Mar 2022
User guide Magnetic Sensing Enhanced Proximity Tool PDF | HTML 22 Feb 2022
Application note Reed Switch Replacement with TI's Hall-effect and Linear 3D Hall-effect Sensors PDF | HTML 13 Oct 2021
Technical article How 3D Hall-effect sensors deliver precise, real-time position control to autonomo PDF | HTML 11 Oct 2021
White paper Improve System Performance With Linear 3D Hall-Effect Position Sensors PDF | HTML 24 Sep 2021
Application brief Limit Detection for Tamper and End-of-Travel Detection Using Hall-Effect Sensors (Rev. A) PDF | HTML 24 Aug 2021
User guide TMAG5170 Joystick Attachment Assembly Guide (Rev. A) PDF | HTML 22 Jul 2021
User guide TMAG5170 Orbital Attachment (Rev. A) PDF | HTML 19 Jul 2021
Application note Linear Hall-Effect Sensor Array Design (Rev. B) PDF | HTML 08 Oct 2020
EVM User's guide TMAG5170EVM User's Guide 03 Jun 2020

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