Automotive, ratiometric linear hall effect sensor with analog output
Product details
Parameters
Package | Pins | Size
Features
- Ratiometric Linear Hall Effect Magnetic Sensor
- Operates From 3.3-V and 5-V Power Supplies
- Analog Output With VCC / 2 Quiescent Offset
- Magnetic Sensitivity Options (At VCC = 5 V):
- A1: 100 mV/mT, ±21-mT Range
- A2: 50 mV/mT, ±42-mT Range
- A3: 25 mV/mT, ±85-mT Range
- A4: 12.5 mV/mT, ±169-mT Range
- A5: –100 mV/mT, ±21-mT Range
- Fast 20-kHz Sensing Bandwidth
- Low-Noise Output With ±1-mA Drive
- Compensation For Magnet Temperature Drift
- AEC-Q100 Qualified for Automotive Applications:
- Temperature Grade 0: –40°C to 150°C
- Standard Industry Packages:
- Surface-Mount SOT-23
- Through-Hole TO-92
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Description
The DRV5055-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 analog output drives half of VCC. The output changes linearly with the applied magnetic flux density, and five 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 its reference. 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.
Technical documentation
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
Features
- Evaluation of all gain options for the DRV5055, DRV5056, and DRV5057
- Ease of access to device pins with test points
- Capability to easily read Voltage, mT, and microcontroller ADC memory values from and LCD
- Ability to toggle between devices through the simple press of pushbutton (S1)
Description
Features
- Includes diametric disc magnet, plastic magnet holder and onboard silkscreen compass for angle setting
- Includes onboard LCD for estimated angle display
- Supports single sensor configurations for limited-range angle sensing or dual sensor configurations for full 360° sensing range
- Supports up to 36-point (...)
Description
Features
Description
Features
- Evaluation of most Hall sensor devices from TI, including SOT-23, TO-92, X2SON, and more.
- Standard breakout footprint for easy breadboard prototyping.
- Magnet included.
Software development
Reference designs
Design files
-
download TIDA-020010 BOM.pdf (56KB) -
download TIDA-020010 Assembly Drawing.pdf (354KB) -
download TIDA-020010 PCB.pdf (1284KB) -
download TIDA-020010 CAD Files.zip (2300KB) -
download TIDA-020010 Gerber.zip (486KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
SOT-23 (DBZ) | 3 | View options |
TO-92 (LPG) | 3 | View options |
Ordering & quality
- RoHS
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- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
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