概要
説明
We enable accurate evaluation and integration of steering angle sensing in automotive systems using a platform built around the RL78/F13 MCU and RAA2P4520 inductive position sensor. Our solution addresses the need for high-precision, magnet-free angle detection while ensuring reliable signal processing and CAN communication. We help streamline system development by delivering stable data transfer to vehicle electronic control units (ECUs), improving overall control performance.
特長
- Designed for harsh environments and extreme temperatures, AEC-Q100 Grade 0 qualified for -40°C to +160°C operation
- Immune to magnetic stray fields—no magnetic shielding required
- ISO 26262 compliant, fulfilling FuSa requirements up to single-chip ASIL D at the system level
- Digital output via 14-bit SENT or high-speed UART
- Automatic gain control (AGC) compensates for air-gap variations
- Built-in protection against overvoltage (±18V), reverse polarity (±18V), ESD, and short circuit
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| PCB設計ファイル | WS129-SAS-REFZ Design Files
The WS129-SAS-REFZ design files provide the complete hardware materials for the WS129 Steering Angle Sensor Reference Design, including the BOM, circuit schematics, and PCB layout, to support design evaluation, system integration, and customization for development.
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PDF
1.54 MB
The WS129-SAS-REFZ Steering Angle Sensor Board is a reference design that uses the Renesas RAA2P4520 inductive position sensor and RL78/F1X MCU to deliver precise steering angle and rotational speed measurements for automotive safety and control systems. Designed for harsh environments, it provides CAN and UART connectivity, immunity to magnetic stray fields, and supports functional safety applications up to ASIL C compliance.
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