Introduction - Wolfspeed SpeedVal MOD-MB-3P-0900V-40A Series User Manual

Introduction

The SpeedVal™ Kit platform provides a single evaluation platform allowing almost all discrete Wolfspeed®
SiC MOSFETs and diodes (650 V to 1200 V) to be evaluated and tested in a common platform. The three-phase
motherboard supports three-phase high-power testing for applications including motor drives.
Additionally, it can be used for optimizing gate drive resistors, measuring switching energy using double-
pulse testing (DPT), and system testing as a buck and boost converter using the middle phase. Each power
daughter card comes fully assembled with its own thermal management system comprised of a heatsink
and thermal isolator.
SpeedVal Kit allows different Wolfspeed SiC MOSFETs and diodes to be swapped in a matter of seconds.
Moreover, by testing different devices on the same platform with the same layout and gate driver, any
measured differences can be correctly attributed to the device itself. Historically, testing MOSFETs in
different packages required testing on different boards that may have different gate drivers. It was
impossible to know what, if any, of the measured differences were due to the MOSFET itself or due to other
variables such as the layout and gate driver. SpeedVal Kit allows users to swap out MOSFETs with different
R and different packages.
DS(ON)
SpeedVal Kit has many compatible gate driver cards available from carefully selected partners allowing
users to compare device performance with different gate drivers while holding all other variables constant.
This lets users quickly select the best combination of device and gate driver for their application. This pairing
can be carried into the user's own design, reducing design risk and shortening the product development
cycle time.
SpeedVal Kit three-phase motherboard works with the following SpeedVal Kit building blocks:
1. Power Daughter Card (3 required) – Half-bridge configuration of two MOSFETs
2. Gate Driver Card (3 required) – Two-channel isolated driver card including gate power supplies
3. Control Card and User Interface (optional)
4. Buck Boost Filter Board (optional)
5. Air Core Inductor (optional) – For double-pulse testing
PRD-08611 REV. 1, June 2024
© 2024 Wolfspeed, Inc. All rights reserved. Wolfspeed® and the Wolfstreak logo are registered trademarks and SpeedVal™ and
the Wolfspeed logo are trademarks of Wolfspeed, Inc. Other trademarks, product and company names are the property of their
respective owners and do not imply specific product and/or vendor endorsement, sponsorship or association.
MOD-MB-3P-0900V-40A SpeedVal™ Kit Three-Phase Motherboard User Guide
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