Broadcom ACPL-K71T-000E

ACPL-K71T and ACPL-K72T are high-speed digital CMOS optocouplers packaged for emerging electric vehicle applications. ACPL-K74T and ACPL-K75T are the dual-channel versions of ACPL-K71T and ACPL-K72T, respectively. All products are housed in a stretched SO-8 package footprint, designed to be compatible with standard SMT processes. ACPL-K71T and ACPL-K74T operate in high-speed mode with the fastest propagation delay (35 ns maximum at IF = 10 mA), while ACPL-K72T and ACPL-K75T operate in low-power mode with a minimum LED drive current of 4 mA for standard digital isolation switching. Each channel of the digital optocoupler features a CMOS detector IC with an integrated photodiode, a high-speed transimpedance amplifier, and a voltage comparator with output driver. Broadcom R²Coupler provides enhanced insulation and reliability, enabling critical safety signal isolation in automotive and high-temperature industrial applications. NOTE: Normal ESD precautions should be taken during handling and assembly of this component to prevent damage or performance degradation that may be caused by electrostatic discharge (ESD).

• Compliant with AEC-Q100 Grade 1 test guidelines
• Automotive wide temperature range: -40°C to 125°C
• High-temperature reliability for high-speed digital interfaces in automotive applications
• 5V CMOS compatible
• Common mode rejection of 40 kV/μs at VCM = 1000V (typical)
• Low propagation delay:
  • ACPL-K71T, ACPL-K74T: 25 ns typical at IF = 10 mA
  • ACPL-K72T, ACPL-K75T: 60 ns typical at IF = 4 mA
• Global safety certifications:
  • UL 1577 recognized, 5 kVRMS/1 minute
  • CSA recognized
  • IEC/EN/DIN EN 60747-5-5 certified

• CAN bus and SPI communication interfaces
• High-temperature digital/analog signal isolation
• Automotive IPM drivers for DC-DC converters and motor inverters
• Power transistor isolation