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DRV5055

ACTIVE

Ratiometric linear hall effect sensor with analog output

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Data sheet

DRV5055

ACTIVE
Data sheet Order now

Product details

Type Ratiometric bipolar Sensitivity (typ) (mV/mT) 12.5, 15, 25, 50, 100, 50000 Sensitivity error (%) 5 Bandwidth (kHz) 20 Output 0.2 V to Vcc Rating Catalog Operating temperature range (°C) -40 to 125
Type Ratiometric bipolar Sensitivity (typ) (mV/mT) 12.5, 15, 25, 50, 100, 50000 Sensitivity error (%) 5 Bandwidth (kHz) 20 Output 0.2 V to Vcc Rating Catalog Operating temperature range (°C) -40 to 125
SOT-23 (DBZ) 3 6.9204 mm² (2.92 mm × 2.37 mm) TO-92 (LPG) 3 6.08 mm² (4 mm × 1.52 mm)
  • Ratiometric linear Hall-effect magnetic sensor
  • Operates from 3.3V and 5V power supplies
  • Analog output with VCC / 2 quiescent offset
  • Magnetic sensitivity options (At VCC = 5V):
    • A1/Z1: 100mV/mT, ±21mT range
    • A2/Z2: 50mV/mT, ±42mT range
    • A3/Z3: 25mV/mT, ±85mT range
    • A4/Z4: 12.5mV/mT, ±169mT range
    • A8: 66mV/mT, ±75mT range
  • Fast 20kHz sensing bandwidth
  • Low-noise output with ±1mA drive
  • Compensation for magnet temperature drift for A versions and none for Z versions
  • Standard industry packages:
    • Surface-mount SOT-23
    • Through-hole TO-92
  • Ratiometric linear Hall-effect magnetic sensor
  • Operates from 3.3V and 5V power supplies
  • Analog output with VCC / 2 quiescent offset
  • Magnetic sensitivity options (At VCC = 5V):
    • A1/Z1: 100mV/mT, ±21mT range
    • A2/Z2: 50mV/mT, ±42mT range
    • A3/Z3: 25mV/mT, ±85mT range
    • A4/Z4: 12.5mV/mT, ±169mT range
    • A8: 66mV/mT, ±75mT range
  • Fast 20kHz sensing bandwidth
  • Low-noise output with ±1mA drive
  • Compensation for magnet temperature drift for A versions and none for Z versions
  • Standard industry packages:
    • Surface-mount SOT-23
    • Through-hole TO-92

The DRV5055 is a linear Hall-effect sensor that responds proportionally to magnetic flux density. The device can be used for accurate position sensing in a wide range of applications.

The device operates from 3.3V or 5V power supplies. When no magnetic field is present, the analog output drives half of VCC. The output changes linearly with the applied magnetic flux density, and various sensitivity options enable maximal output voltage swing based on the required sensing range. North and south magnetic poles produce unique voltages.

Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.

The device uses a ratiometric architecture that can eliminate error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for the reference. Additionally, the device features magnet temperature compensation to counteract how magnets drift for linear performance across a wide –40°C to 125°C temperature range. Device options for no temperature compensation of magnet drift are also available.

The DRV5055 is a linear Hall-effect sensor that responds proportionally to magnetic flux density. The device can be used for accurate position sensing in a wide range of applications.

The device operates from 3.3V or 5V power supplies. When no magnetic field is present, the analog output drives half of VCC. The output changes linearly with the applied magnetic flux density, and various sensitivity options enable maximal output voltage swing based on the required sensing range. North and south magnetic poles produce unique voltages.

Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.

The device uses a ratiometric architecture that can eliminate error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for the reference. Additionally, the device features magnet temperature compensation to counteract how magnets drift for linear performance across a wide –40°C to 125°C temperature range. Device options for no temperature compensation of magnet drift are also available.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet DRV5055 Ratiometric Linear Hall Effect Sensor datasheet (Rev. C) PDF | HTML Jun 3, 2026
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 Head-on Linear Displacement Sensing Using Hall-Effect Sensors (Rev. A) PDF | HTML May 22, 2024
Application brief Tracking Slide-By Displacement With Linear Hall-Effect Sensors (Rev. B) PDF | HTML May 21, 2024
Product overview Introduction to Hall-Effect Sensors (Rev. B) PDF | HTML Apr 25, 2024
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
User guide BOOSTXL-BASSENSORS User's Guide (Rev. B) Sep 1, 2022
Analog design Journal Using hall-effect sensors for contactless linear movement sensing PDF | HTML Mar 31, 2022
Application brief Hall-Effect Sensors in Vacuum Robots PDF | HTML Mar 22, 2022
Application brief Incremental Rotary Encoders (Rev. B) PDF | HTML Dec 2, 2021
Application note Linear Hall-Effect Sensor Angle Measurement Theory, Implementation... (Rev. B) PDF | HTML Nov 5, 2021
White paper How to optimize building and home automation designs for energy efficiency Apr 8, 2020
Technical article Understanding tamper detection sensors PDF | HTML Nov 18, 2019
Technical article Intro to linear Hall effect sensors: Achieve contactless accurate position sensing PDF | HTML Sep 6, 2018
Application brief Overview Using Linear Hall Effect Sensors to Measure (Rev. A) Aug 22, 2018

Design & development

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TheDRV505x is a linear Hall Effect magnetic-sense solution that provides ease of use and high performance. The DRV5055-5057EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for (...)
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Evaluation board

DRV5055-ANGLE-EVM — DRV5055 angle evaluation module

The DRV5055 is a linear Hall-effect magnetic sensor optimized for accurate position sensing. This EVM demonstrates the effectiveness of the DRV5055 in precision angle sensing applications that need SIN/COS encoding.
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Evaluation board

DRV5055EVM — DRV5055 evaluation module

TheDRV5055 is a linear Hall Effect magnetic-sense solution that provides ease of use and high performance. The DRV5055EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for (...)
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Code example or demo

SBAC198 — DRV5055EVM

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Code example or demo

SLIC026 — DRV5055-ANGLE-EVM Source Code

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Plug-in

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Software programming tool

SLIC027 — DRV5055-ANGLE-EVM MSP Flasher Batch File

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Simulation tool

TI-MAGNETIC-SENSE-SIMULATOR — TI Magnetic sensing simulation tool

The TI-MAGNETIC-SENSE-SIMULATOR (TIMSS) webtool estimates magnetic flux density and TI magnetic sensor outputs for magnetic position sensing systems. Select from our portfolio of magnetic sensors to thoroughly emulate electro-mechanical performance of your design. The tool supports various magnet (...)
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Calculation tool

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Reference design

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Package Pins CAD symbols, footprints & 3D models
SOT-23 (DBZ) 3 Ultra Librarian
TO-92 (LPG) 3 Ultra Librarian
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