Renesas RAA2P3226
High-speed inductive position sensor with dual coil sensing element featuring I2C, ABI, Step/Dir, and UART interfaces
The RAA2P3226 is a magnet-free, inductive position sensor IC designed for absolute rotary, linear, or arc position sensing in industrial applications. It operates on the principle of eddy currents, detecting the position of a simple metallic target that is moving above a set of coils, comprising one transmitter coil and two receiver coils.
Key features
- Voltage supply: 3.3V ±0.3V or 5.0V±0.5V
- Qualified for Industrial applications (-40°C to +125°C)
- Output interfaces: High-speed UART, ABI Step/Dir, I²C
- Automatic Gain Control (AGC) to compensate for air-gap variations
- Up to 600K RPM, with less than 100 ns propagation delay
- True-power-on position information
- On-axis and off-axis implementations possible
- Autocalibration and 16-point Linearization
- On-Chip failure diagnostics
- External auxiliary sensor input
Applications
- Robotics
- Medical
- Motor drive
- Infrastructure
- Industrial automation
- Building automation
- E-Bikes
- Smart appliances
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