Contactless Potentiometer – 12bit Rotary Position Sensor with Analog or PWM Output
This is an easy-to-program magnetic rotary position sensor with high-resolution 12-bit analog or PWM output. This contactless system measures the absolute angle of a diametric magnetized on-axis magnet. The project is designed for contactless potentiometer applications and its robust design eliminates the influence of any homogenous external stray magnetic fields. The industry-standard I²C interface supports simple user programming of non-volatile parameters without requiring a dedicated programmer. By default, the output represents a range from 0 to 360 degrees. It is also possible to define a smaller range to the output by programming a zero angle (start position) and a maximum angle (stop position). The AS5600 is also equipped with a smart low-power mode feature to automatically reduce power consumption. An input pin (DIR) selects the polarity of the output with regard to rotation direction. If DIR is connected to the ground, the output value increases with clockwise rotation. If DIR is connected to VDD, the output value increases with counterclockwise rotation.
Applications
The AS5600 Module is ideally suited for contactless potentiometers, contactless knobs, pedals, RC servos, and other angular position measurement solutions.
- Standalone Operation: The module provides approx. 0 to 5V output with 0 to 360 degrees Magnet movement in standalone mode. Please refer to the datasheet of the ASM5600 chip for PWM output and programming.
- Power Management: The module may be powered from a 5.0V supply using the on-chip LDO regulator, or it can be powered directly from a 3.3V supply. In 3.3V operation, the VDD5V and VDD3V3 pins must be tied together with onboard PCB solder jumper J1. VDD is the voltage level present at the VDD5V pin.
- Direction (clockwise vs. counterclockwise): The AS5600 allows controlling the direction of the magnet rotation with the DIR pin. If DIR is connected to GND (DIR = 0) a clockwise rotation viewed from the top will generate an increment of the calculated angle. If the DIR pin is connected to VDD (DIR = 1) an increment of the calculated angle will happen with counterclockwise rotation.
Features
- Supply 5V DC or 3.3V DC
- Output 12Bit Analog or PWM Output
- Default Output 0 to 5V with 0 to 360 degrees Magnet movement
- Sensing Range 0 to 360 degrees
- Simple user-programmable start and stop positions over the I²C interface
- Maximum angle programmable from 18° up to 360°
- 12-bit DAC output resolution
- Analog output ratiometric to VDD or PWM-encoded digital output
- I2C Interface for Easy Programming
- Output Polarity Selection Using Dir Pin, By pulling down or Pulling Up
- Automatic magnet detection
- 4 x 3.3MM Mounting Holes
- PCB Dimensions 29.21 x 27.31 mm
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This is an easy-to-program magnetic rotary position sensor with high-resolution 12-bit analog or PWM output. This contactless system measures the absolute angle of a diametric magnetized on-axis magnet. The project is designed for contactless potentiometer applications and its robust design eliminates the influence of any homogenous external stray magnetic fields. The industry-standard I²C interface supports simple user programming of non-volatile parameters without requiring a dedicated programmer. By default, the output represents a range from 0 to 360 degrees. It is also possible to define a smaller range to the output by programming a zero angle (start position) and a maximum angle (stop position). The AS5600 is also equipped with a smart low-power mode feature to automatically reduce power consumption. An input pin (DIR) selects the polarity of the output with regard to rotation direction. If DIR is connected to the ground, the output value increases with clockwise rotation. If DIR is connected to VDD, the output value increases with counterclockwise rotation.
Applications
The AS5600 Module is ideally suited for contactless potentiometers, contactless knobs, pedals, RC servos, and other angular position measurement solutions.
- Standalone Operation: The module provides approx. 0 to 5V output with 0 to 360 degrees Magnet movement in standalone mode. Please refer to the datasheet of the ASM5600 chip for PWM output and programming.
- Power Management: The module may be powered from a 5.0V supply using the on-chip LDO regulator, or it can be powered directly from a 3.3V supply. In 3.3V operation, the VDD5V and VDD3V3 pins must be tied together with onboard PCB solder jumper J1. VDD is the voltage level present at the VDD5V pin.
- Direction (clockwise vs. counterclockwise): The AS5600 allows controlling the direction of the magnet rotation with the DIR pin. If DIR is connected to GND (DIR = 0) a clockwise rotation viewed from the top will generate an increment of the calculated angle. If the DIR pin is connected to VDD (DIR = 1) an increment of the calculated angle will happen with counterclockwise rotation.
Features
- Supply 5V DC or 3.3V DC
- Output 12Bit Analog or PWM Output
- Default Output 0 to 5V with 0 to 360 degrees Magnet movement
- Sensing Range 0 to 360 degrees
- Simple user-programmable start and stop positions over the I²C interface
- Maximum angle programmable from 18° up to 360°
- 12-bit DAC output resolution
- Analog output ratiometric to VDD or PWM-encoded digital output
- I2C Interface for Easy Programming
- Output Polarity Selection Using Dir Pin, By pulling down or Pulling Up
- Automatic magnet detection
- 4 x 3.3MM Mounting Holes
- PCB Dimensions 29.21 x 27.31 mm
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