CORRECT

INCORRECT

N

S

N

S

N

S

N

S

N

S

N

S

N

S

N

S

time

Voltage

Sensor 2

Sensor 1

13

DRV5011

www.ti.com

SLVSCY6 – DECEMBER 2017

Product Folder Links: DRV5011

Submit Documentation Feedback

Copyright © 2017, Texas Instruments Incorporated

8.2.2.3 Application Curve

Two signals in quadrature provide movement and direction information. Figure 15 shows how each 2-bit state

has unique adjacent 2-bit states for clockwise and counterclockwise.

Figure 15. Quadrature Output (2-Bit)

8.3 Do's and Don'ts

The Hall element is sensitive to magnetic fields that are perpendicular to the top of the package; therefore, the

correct magnet orientation must be used for the sensor to detect the field. Figure 16 shows correct and incorrect

orientations when using a ring magnet.

Figure 16. Correct and Incorrect Magnet Orientations