RAA2S4253B5HNP#JA0

Sensor And Detector Interfaces Overview

The RAA2S4253B5HNP#JA0 is an automotive sensor signal conditioner from the RAA2S425x series, manufactured by Renesas Electronics. It is designed for high-precision amplification, digitization, and calibration of resistive sensors in pressure sensing systems. The device complies with ISO 26262 ASIL-B standards. It operates within a temperature range of -40°C to +150°C and is housed in a QFN-24 package (4x4 mm). Key electrical parameters include a supply voltage of 4.5V to 5.5V, an adjustable analog gain of 3 to 912, and an 18-bit resolution. The maximum sample rate is 10 kHz.

Sensor And Detector Interfaces Feature Summary

• Optimized for automotive pressure sensing applications with ASIL-B compliance
• Integrates high-precision amplification and digital calibration for resistive sensors
• Supports multiple communication interfaces including I2C, ZACwire, and ratiometric analog output

Sensor And Detector Interfaces Applications

• Pressure sensing in braking systems
• Pressure sensing in transmission systems
• Pressure sensing in HVAC systems
• Sensor monitoring in xEV, PHEV, BEV, and FCEV platforms

Sensor And Detector Interfaces Procurement Notes

Verify the specific suffix #JA0 against official Renesas documentation to confirm the tape and reel packaging configuration. Ensure that the ASIL-B qualification status aligns with your system's functional safety requirements before finalizing procurement. Cross-reference the QFN-24 footprint dimensions with your PCB design guidelines.

Sensor And Detector Interfaces Selection Notes

Select this component when designing automotive pressure sensing circuits requiring ASIL-B compliance. Compare the 18-bit resolution and 10 kHz sample rate against application latency needs. Verify compatibility with the target microcontroller's I2C or ZACwire interface capabilities. Consider the -40°C to +150°C operating range for under-hood environments.

Sensor And Detector Interfaces Part Context

This part belongs to the RAA2S425x family of automotive sensor signal conditioners. It shares the core architecture with variants like the RAA2S4251B5HNP#JA0 but may differ in specific interface configurations or calibration data. The family is specifically engineered for robust performance in electric vehicle and traditional automotive pressure monitoring systems.

Sensor And Detector Interfaces Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Renesas official documentation for potential cross-references or updated revisions within the RAA2S425x series.