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Digital optocouplers tailored for hybrid cars

Posted: 03 Nov 2009 ?? ?Print Version ?Bookmark and Share

Keywords:optocoupler? hybrid electric vehicle? automotive?

ACPL-M71T optocouplers

Avago Technologies has released two automotive-grade, high-speed, low-power, digital CMOS optocouplers for use in hybrid electric vehicles. The ACPL-M71T single-channel, high-speed, 15MBd and ACPL-M72T low power LED drive optocouplers are the latest additions to Avago's R2Coupler digital family. The optocouplers are available in small outline IC-5 (SOIC-5) packages, and are suited for use in CAN bus and microcontroller interface applications.

Avago's ACPL-M71T and ACPL-M72T R2Couplers incorporate the latest CMOS IC technology to achieve superior performance to provide reinforced insulation and reliability that delivers the level of safe signal isolation that is critical in automotive and high temperature industrial applications. The design of the IC provides ESD performance of 4kV Human Body Model (HBM) and 400V Machine Model (MM) to meet the design requirements of automotive electrical systems. Additionally, these digital optocouplers are qualified to the automotive AEC-Q100 Grade 1 component stress test guidelines and are manufactured under TS16949 automotive quality standards.

Both the ACPL-M71T and ACPL-M72T use a proprietary LED technology with lower driving current and lower power consumption for high-speed 15MBd and low-speed digital applications.

Their key features include 5V CMOS compatibility; 40kV/?s common-mode rejection at Vcm=1,000V (typical); Operating temperature range of -40C to 125C. Plus, they offer low propagation delay: ACPL-M71T: 26ns@ IF=10mA (typical) and ACPL-M72T: 60ns@ IF=4mA (typical).

Safety approvals for reinforced insulation are pending: IEC/EN/DIN EN 60747-5-5, UL 1577 3750 kVrms and CSA. With 4kV HBM and 400V MM ESD performance, they are qualified to AEC-Q100 Grade 1 test guidelines.

Samples and production quantities of Avago's ACPL-M71T/M72T optocouplers are available now. Pricing starts at $2.43 each in minimum quantities of 1,000 and exclusive pricing is available for mass production volumes.

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