DRV5057-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 0: –40°C to 150°C
- PWM-output linear Hall effect magnetic sensor
- Operates from 3.3-V and 5-V power supplies
- 2-kHz clock output with 50% quiescent duty cycle
- Magnetic sensitivity options (at VCC = 5 V):
- A1: 2%D/mT, ±21-mT range
- A2: 1%D/mT, ±42-mT range
- A3: 0.5%D/mT, ±84-mT range
- A4: 0.25%D/mT, ±168-mT range
- Open-drain output with 20-mA sink capability
- Compensation for magnet temperature drift
- Industry standard package:
- Surface-mount SOT-23
The DRV5057-Q1 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 3.3-V or 5-V power supplies. When no magnetic field is present, the output produces a clock with a 50% duty cycle. The output duty cycle changes linearly with the applied magnetic flux density, and four sensitivity options maximize the output dynamic range based on the required sensing range. North and south magnetic poles produce unique outputs. The typical pulse-width modulation (PWM) carrier frequency is 2 kHz.
Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.
Because the PWM signal is based on edge-to-edge timing, signal integrity is maintained in the presence of voltage noise or ground potential mismatch. This signal is suitable for distance transmission in noisy environments, and the always-present clock allows the system controller to confirm there are good interconnects. Additionally, the device features magnet temperature compensation to counteract how magnets drift for linear performance across a wide –40°C to +150°C temperature range.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | DRV5057-Q1 Automotive Linear Hall Effect Sensor With PWM Output datasheet | PDF | HTML | 13 Aug 2019 |
Application brief | Absolute Angle Measurements for Rotational Motion Using Hall-Effect Sensors (Rev. B) | PDF | HTML | 24 May 2024 | |
Application note | Linear Hall-Effect Sensor Array Design (Rev. B) | PDF | HTML | 24 May 2024 | |
Application brief | Tracking Slide-By Displacement With Linear Hall-Effect Sensors (Rev. B) | PDF | HTML | 21 May 2024 | |
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 note | Linear Hall-Effect Sensor Angle Measurement Theory, Implementation... (Rev. B) | PDF | HTML | 05 Nov 2021 | |
Application brief | Overview Using Linear Hall Effect Sensors to Measure (Rev. A) | 22 Aug 2018 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
DRV5055-5057EVM — DRV5055, DRV5056 and DRV5057 linear Hall effect sensor evaluation module
HALL-ADAPTER-EVM — Hall sensor breakout adapter evaluation module
SLIC027 — DRV5055-ANGLE-EVM MSP Flasher Batch File
Supported products & hardware
Products
Linear Hall-effect sensors
Hardware development
Evaluation board
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.
Supported products & hardware
Products
Multi-axis linear & angle position sensors
Linear Hall-effect sensors
Hall-effect latches & switches
Hardware development
Evaluation board
Software
Calculation tool
TI-MAGNETIC-SENSE-SIMULATOR — TI Magnetic sensing simulation tool
Supported products & hardware
Products
Hall-effect latches & switches
Linear Hall-effect sensors
Multi-axis linear & angle position sensors
Hardware development
Evaluation board
Software
Calculation tool
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
SOT-23 (DBZ) | 3 | Ultra Librarian |
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