Features
- Voltage supply: 3.3V±0.3V or 5.0V±0.5V
- Qualified for industrial applications operating from -40°C to +125°C
- Output interfaces: high-speed UART, ABI, step/dir, and I2C
- Rotational speed: up to 600K rpm, with less than 100ns propagation delay
- High-accuracy sensor with up to 19-bit resolution and 15-bit accuracy (integrated vernier)
- True power-on position information with ABI and step/dir
- On-axis and off-axis implementations support
- Automatic gain control (AGC) to compensate for air-gap variations
- Autocalibration and 16-point linearization for enhanced accuracy
- On-chip failure diagnostics
- External auxiliary sensor input
- Fully customizable sensing element design using the Renesas Inductive Position Sensor Coil Optimizer tool
Description
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.
Inductive sensing technology offers significant advantages over magnetic technology, including greater flexibility, easier system integration, and enhanced performance, reliability, and cost efficiency. As a result, it is becoming the preferred choice for a wide range of industrial applications.
Parameters
| Attributes | Value |
|---|---|
| Function | Position Sensor |
| Resolution (bits) | 19 |
| Supply Voltage (V) | 3.3 - 5 |
| Interface | I2C, ABI, Step/Dir, UART |
| Temp. Range (°C) | -40 to 125°C |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| TSSOP | 5.0 x 4.4 x 1.0 | 16 | 0.65 |
Application Block Diagrams
|
Turntable System
This turntable system features a low-power MCU and RIAA preamp for precise motor and audio control.
|
|
Mini BLDC Servo
BLDC servo drives up to 75W motors with precise, efficient integrated control.
|
Additional Applications
- Optical encoder replacement
- Magnetic encoder replacement
- Linear motor
- Robotics
- Medical applications
- Industrial automation