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2026-01-29 12:07:00 Selection Points for Automotive Wide-temperature SD Cards
Automotive electronic devices face challenging environments: temperatures exceed 60°C in sealed cars in summer and drop below -30°C in northern winters. High-frequency vibration, bumps and complex electromagnetic environments demand strict storage requirements. Regular SD cards fail here, while automotive wide-temperature SD cards require optimized performance; selection focuses on temperature adaptability, vibration resistance, speed and compatibility.
Temperature adaptability must cover full operating conditions. Automotive devices endure extreme temperatures and rapid changes, such as moving from cold outdoors to warm garages. Automotive wide-temperature SD cards operate at -40°C to 85°C, with excellent temperature cycle adaptability. Low power consumption is critical, with sleep current ≤100μA to avoid draining the vehicle battery.
Vibration and impact resistance ensure stability on rough roads. Reinforced packaging and protected interfaces enhance stability, passing 1500G impact and 20G vibration tests. Dashcams and monitors benefit from chip-on-board packaging to avoid contact failure. Read-write speed and lifespan match automotive needs: dashcams require read speed ≥90MB/s and write speed ≥60MB/s for smooth HD video recording, supporting UHS-I.
Frequent startups and writes demand SLC/pSLC particles with ≥50,000 write cycles and 10+ year data retention. Compatibility and automotive certifications are essential. Confirm compatibility with chip platforms and interfaces (SPI/SDIO). Prioritize AEC-Q100 certified products, tested for automotive reliability, adapting to electromagnetic interference and voltage fluctuations, ensuring driving safety.
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