600 k W Three Phase Dual Inverter Reference

XM 3 Module Platform 2 • Supports Wolfspeed’s Gen 3 Si. C MOSFETs up

XM 3 Dual Power Core • 6 x XM 3 power modules – CRD

XM 3 Dual Inverter Power Loop • Custom DC Link capacitor with integrated laminated

XM 3 Dual Inverter System • 600 k. W peak output power • 900

Application Flexibility • Output terminals enable application flexibility • Phase outputs can be used

System Diagram • Complete solution for dual motor drive application • 6 current sensors

CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree

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600 k. W Three Phase Dual Inverter Reference Design Overview Matthew Feurtado CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree logo, Wolfspeed®, and the Wolfspeed logo are registered trademarks of Cree, Inc.

XM 3 Module Platform 2 • Supports Wolfspeed’s Gen 3 Si. C MOSFETs up to 1700 V • Capable of up to 600 A • 6. 7 n. H stray inductance • 60% less volume and 55% less area than equivalently rated modules • Built-in temperature sensor CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree logo, Wolfspeed®, and the Wolfspeed logo are registered trademarks of Cree, Inc.

XM 3 Dual Power Core • 6 x XM 3 power modules – CRD 600 DA 12 E-XM 3 uses the CAB 450 M 12 XM 3 Module • 6 x CGD 12 HBXMP isolated gate drivers • Wieland® CP 4012 D double sided cold plate with high-density pins for optimum heat transfer • Mounting structure supports gate drivers • Design for easy system integration 3 CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree logo, Wolfspeed®, and the Wolfspeed logo are registered trademarks of Cree, Inc.

XM 3 Dual Inverter Power Loop • Custom DC Link capacitor with integrated laminated bussing for both banks of power modules, 900 V, 600 µF • Dedicated DC input terminals • Low power loop inductance of 13 n. H for bussing and capacitor • >98% efficiency • Hall-effect current sensor on each output busbar reduce size while providing high bandwidth 4 CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree logo, Wolfspeed®, and the Wolfspeed logo are registered trademarks of Cree, Inc.

XM 3 Dual Inverter System • 600 k. W peak output power • 900 V DC bus max and 360 ARMS phase current max (720 ARMS for parallel operation) • Compact metal enclosure only 8. 6 L and 9. 7 kg • Power density of 70 k. W/L • Modular sheet metal construction allows access to components for evaluation in application • Handles and feet included for portability 5 CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree logo, Wolfspeed®, and the Wolfspeed logo are registered trademarks of Cree, Inc.

Application Flexibility • Output terminals enable application flexibility • Phase outputs can be used as dual inverter or paralleled for higher output current Dual Inverter 360 A per phase 6 Single Inverter 720 A per phase CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree logo, Wolfspeed®, and the Wolfspeed logo are registered trademarks of Cree, Inc.

System Diagram • Complete solution for dual motor drive application • 6 current sensors • Dual motor position sensor support • Isolated CAN interface • Dual-core, 200 MHz, 32 bit DSP • Images Shown are Not to Scale CAB 450 M 12 XM 3 7 CGD 12 HBXMP CREE CONFIDENTIAL & PROPRIETARY © 2018 Cree, Inc. All rights reserved. Cree®, the Cree logo, Wolfspeed®, and the Wolfspeed logo are registered trademarks of Cree, Inc.