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TMAG5170-Q1

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Automotive, high-precision linear 3D Hall-effect sensor with serial peripheral interface

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Data sheet

TMAG5170-Q1

ACTIVE
Data sheet Order now

Product details

Type 3-Axis linear Interface type SPI Sensitivity error (%) 2.5 Sample rate (ksps) 20 Rating Automotive TI functional safety category Functional Safety-Compliant Operating temperature range (°C) -40 to 150
Type 3-Axis linear Interface type SPI Sensitivity error (%) 2.5 Sample rate (ksps) 20 Rating Automotive TI functional safety category Functional Safety-Compliant Operating temperature range (°C) -40 to 150
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 0: –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
  • Functional Safety-Compliant:
  • 10-MHz serial peripheral interface (SPI) with cyclic redundancy check (CRC)
  • Built-in temperature sensor with < ±3°C error
  • Independently selectable X, Y, and Z ranges:
    • TMAG5170A1 -Q1: ±25, ±50, ±100 mT
    • TMAG5170A2 -Q1: ±75, ±150, ±300 mT
  • 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 temperature compensation for multiple magnet types
  • Integrated angle CORDIC calculation with gain and offset adjustment
  • 2.3-V to 5.5-V supply voltage range
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 0: –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
  • Functional Safety-Compliant:
  • 10-MHz serial peripheral interface (SPI) with cyclic redundancy check (CRC)
  • Built-in temperature sensor with < ±3°C error
  • Independently selectable X, Y, and Z ranges:
    • TMAG5170A1 -Q1: ±25, ±50, ±100 mT
    • TMAG5170A2 -Q1: ±75, ±150, ±300 mT
  • 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 temperature compensation for multiple magnet types
  • Integrated angle CORDIC calculation with gain and offset adjustment
  • 2.3-V to 5.5-V supply voltage range

The TMAG5170-Q1 is a high-precision linear 3D Hall-effect sensor designed for a wide range of automotive and industrial 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-Q1 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-Q1 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 ±25 mT to ±300 mT.

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

The TMAG5170-Q1 is a high-precision linear 3D Hall-effect sensor designed for a wide range of automotive and industrial 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-Q1 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-Q1 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 ±25 mT to ±300 mT.

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

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Top documentation Type Title Format options Date
* Data sheet TMAG5170-Q1 High-Precision 3D Linear Hall-Effect Sensor With SPI datasheet (Rev. A) PDF | HTML Dec 9, 2021
User guide ROTATEPUSH-MAG-ACC User's Guide PDF | HTML Dec 20, 2024
User guide JOYSTICK-MAG-ACC (Rev. B) PDF | HTML Dec 11, 2024
Application note Linear Hall-Effect Sensor Array Design (Rev. B) PDF | HTML May 24, 2024
Application brief Absolute Angle Measurements for Rotational Motion Using Hall-Effect Sensors (Rev. B) PDF | HTML May 24, 2024
Application brief Measuring 3D Motion With Absolute Position Sensors (Rev. B) PDF | HTML May 23, 2024
Application brief Head-on Linear Displacement Sensing Using Hall-Effect Sensors (Rev. A) PDF | HTML May 22, 2024
User guide TMAG5170 Slide-By Attachment (Rev. A) PDF | HTML May 21, 2024
Application brief Tracking Slide-By Displacement With Linear Hall-Effect Sensors (Rev. B) PDF | HTML May 21, 2024
Application note Magnet Selection for Linear Position Applications (Rev. B) PDF | HTML May 14, 2024
Application note Gear-Tooth Detection With Back-Biased 3D Hall-Effect Sensors PDF | HTML Apr 29, 2024
Product overview Introduction to Hall-Effect Sensors (Rev. B) PDF | HTML Apr 25, 2024
White paper How Position Sensors Enable Innovation in Automotive and Industrial Applications (Rev. A) PDF | HTML Mar 8, 2024
Application note Joystick and Lever Design With Hall-Effect Sensors (Rev. A) PDF | HTML Dec 21, 2023
Application brief Introduction to TI Magnetic Sense Simulator Features PDF | HTML Dec 5, 2023
User guide Texas Instruments' Magnetic Sense Simulator User's Guide PDF | HTML Dec 4, 2023
White paper How Accurate Sensing Enables Better System Performance and Increased Efficiency (Rev. C) PDF | HTML Oct 22, 2023
White paper Auto Functional Safety and How TI is Helping Customers W/ High-Precision Sensors PDF | HTML Aug 28, 2023
Application brief Angle Calculation Methods Using Position Sensor Output Data (Rev. A) PDF | HTML May 19, 2023
Application note Capacitive, Inductive, and Hall Sensing for HMI in Automotive Applications (Rev. A) PDF | HTML May 9, 2023
Application brief Hall-Effect Sensors for Steering Column Control (Rev. A) PDF | HTML May 8, 2023
Application brief Sensor Array Fan-out Techniques and Implementation (Rev. A) PDF | HTML May 5, 2023
White paper Using Hall-Effect Sensors For Contactless Rotary Encoding and Knob Applications (Rev. A) PDF | HTML May 1, 2023
Application note Angle Measurement With Multi-Axis Hall-Effect Sensors (Rev. A) PDF | HTML Apr 30, 2023
Application note Achieving Highest System Angle Sensing Accuracy (Rev. A) PDF | HTML Apr 19, 2023
Application brief Using Hall-Effect and Inductive Sensors in Automotive HMI Applications PDF | HTML Oct 10, 2022
White paper Improve System Performance With Linear 3D Hall-Effect Position Sensors PDF | HTML Sep 24, 2021
User guide TMAG5170 Orbital Attachment (Rev. A) PDF | HTML Jul 19, 2021

Design & development

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Evaluation board

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Firmware

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C code example for the TMAG5170 and TMAG5170-Q1
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Simulation tool

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