108kW silicon carbide motor drive to electric cars at PCIM

2022-10-26 11:25:14 By : Ms. Jenny J

By Steve Bush 9th July 2020

Silicon carbide mosfet maker Wolfspeed did a presentation on its 180kW electric vehicle motor drive – designed with NXP and Vepco – at virtual-PCIM this year.

The three phase design is for permanent magnet motors, and is good for 15,000rpm and peaks above 97% efficient.

Functional safety targets are ASIL-C and ASIL-D.

It operates at 350V to 650V and can carry up to 420A (peak) using 1.2kV 13mΩ SiC mosfets – six of them in a module. Claimed power density id 26kW/litre.

NXP provides just about all the other semiconductors:

XP’s F6500 power chip and processor

Vepco Technologies did design work and pre-production prototyping.

There is an information brief here

And apparently the full presentation will download from here, but I can’t get it to open on my working-from-home Raspberry Pi 4. The other Wolfspeed presentations for PCIM 2020, from this page, open fine.

Tagged with: automotive inverter motor NXP Wolfspeed

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