DRV5011ADDMRR

1 Features

• Ultra-Small X2SON or SOT-23 Package

• High Magnetic Sensitivity: ±2 mT (Typical)

• Robust Hysteresis: 4 mT (Typical)

• Fast 30-kHz Sensing Bandwidth

• 2.5-V to 5.5-V Operating VCC Range

• Push-Pull CMOS Output

– Capable of 5-mA Sourcing, 20-mA Sinking

• –40°C to +135°C Operating Temperature Range

2 Applications

• Brushless DC Motor Sensors

• Incremental Rotary Encoding:

– Brushed DC Motor Feedback

– Motor Speed (Tachometer)

– Mechanical Travel

– Fluid Measurement

– Knob Turning

– Wheel Speed

• E-Bikes

• Flow Meters

3 Description

The DRV5011 device is a digital-latch Hall effect sensor designed for motors and other rotary systems.

With an efficient low-voltage architecture that operates from 2.5 V to 5.5 V, the device is offered in a standard SOT-23 package, and a 0.4-mm thin X2SON that is 90% smaller. The output is a push-pull driver that requires no pullup resistor, enabling more compact systems.

When a south magnetic pole is near the top of the package and the BOP threshold is exceeded, the device drives a low voltage. The output stays low until a north pole is applied and the BRP threshold is crossed, which causes the output to drive a high voltage. Alternating north and south poles are

required to toggle the output, and integrated hysteresis separates BOP and BRP to provide robust switching.

The device produces consistent performance across a wide ambient temperature range of –40°C to +135°C.

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