RAA2S425XKIT Evaluation Kit
The evaluation kit provides an entry point to evaluate RAA2S425X product family.
概览
描述
The RAA2S4253B is a member of Renesas’ family of CMOS integrated circuits for highly accurate amplification and sensor-specific correction of differential bridge sensor signals. Featuring a maximum analog pre-amplification of 900 with analog sensor offset correction (XSOC), the RAA2S4253B is adjustable to nearly all resistive bridges.
Conditioning calculation is accomplished via a 16-bit RISC microcontroller. Calibration coefficients and configuration data are stored in the nonvolatile memory (NVM), which is reliable in automotive applications.
Measured values are provided via a ratio-metric analog output signal. End-of-line calibration is also supported through this output pin via a One-Wire Interface (OWI). Digital calibration helps keep assembly costs low as no trimming by external devices or lasers is needed. The RAA2S4253B is optimized for harsh automotive environments by over-voltage and reverse polarity protection circuitry, excellent electromagnetic compatibility, and multiple diagnostic features.
特性
- Product developed in compliance with ISO 26262:2018 ASIL B
- Capable of measuring one full resistive bridge sensor signals
- Temperature measurement using external diode/PTC/TCR or internal (PTAT) sensor
- Large sensor offset correction using analog offset compensation and digital zooming with up to 18-bit resolution
- Higher digital resolution, fast OUR output update rate by ADC and sharp roll-off by digital LPF
- Ability to cover a large sensor span and high accuracy (0.35% - 1.0%) over the entire temp. range (-40 °C to 150 °C)
- Qualified according to AEC-Q100 Grade 0
- Optimized for harsh automotive environment
- Over-voltage and reverse polarity protection ±40V, robust EMC performance, and multiple diagnostic features
- Minimal EOL (end-of-life) production costs during mass production
- QFN-24 package
- Analog output
产品对比
应用
- Pressure sensing in braking, transmission, and HVAC applications
- xEV
- Plug-in hybrid electric vehicle (PHEV)
- Battery electric vehicle (BEV)
- Fuel-cell electric vehicle (FCEV)
文档
相关文档
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| 类型 | 文档标题 | 日期 |
| 数据手册 | PDF 593 KB | |
| 手册 - 硬件 | PDF 564 KB | |
| 手册 - 硬件 | PDF 1.11 MB | |
| 手册 - 硬件 | PDF 842 KB | |
| 应用说明 | ZIP 2.16 MB | |
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设计和开发
软件与工具
The plug-in for the RAA2S425x requires the 32-bit version of RICBox 7.x.x.
软件与工具
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Software type
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公司
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| 瑞萨电子集成电路工具箱 (RICBox) 借助瑞萨集成电路工具箱 (RICBox) 软件平台，客户可在连接到运行该软件的计算机时，将瑞萨设备配置到评估套件上。
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Software Package | 瑞萨电子 |
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开发板与套件
模型
ECAD 模块
点击产品选项表中的 CAD 模型链接，查找 SamacSys 中的原理图符号、PCB 焊盘布局和 3D CAD 模型。如果符号和模型不可用，可直接在 SamacSys 请求该符号或模型。
产品选项
当前筛选条件
视频和培训
High Performance, Highly Accurate Pressure Sensing Solution for Automotive
An overview of the RAA2S425x Family of ICs for automotive pressure sensing systems. Renesas’ SSCs provide highly accurate amplification and sensor-specific correction of signals in automotive xEV/PHEV/FCEV and BEV pressure sensing braking, transmission and HVAC systems.
Video List
新闻和博客
| A Paradigm Shift in Automotive Pressure Sensing | 博客 | 2022年9月25日 |