6.6kW OBC SiC model

Overview

This evaluation board provides a reference design on PFC and LLC in a 6.6kW OBC system with SiC power devices and drivers, which mainly comprises of the high switching performance SiC diode (FFSP3065A), SiC mosfet (NVHL020N090SC1), 6A SiC mosfet driver (NCP51705MNTXG), 900V 60mΩ SiC mosfet (NVHL060N090SC1). With these high performance SiC devices, it achieves high efficiency (up to 95%) and power density. The full bridge LLC circuit with AEC qualified LLC resonant converter controller (NCV4390) boosts up the efficiency by high bus voltage usage. Meanwhile hardware PFC and LLC control realize easy design and less malfunction for users. Visit the On Board Charging solutions site to learn how onsemi can help you a comprehensive and advanced portfolio.

  • On Board Charger (OBC)
  • EV Charging
  • 3-Ph AC/DC conversion
  • SiC power devices and drivers
  • High power density, low current ripple
  • Efficiency up to 95% @Vin=220V/AC, Vbus=400V, Vout=430V, Full Load
  • FAN9673 - 3ch CCM (Continuous Conduction Mode) interleaved PFC controller
  • NCV4390 - Advanced Secondary Side LLC Resonant Converter Controller with Synchronous Rectifier Control
  • Adjustable bus voltage
  • Input voltage - 90~260Vac
  • Output voltage - 250~450Vdc

Evaluation/Development Tools

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Name / Description

Document Type

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SEC-6D6KW-OBC-SIC-GEVB_SCHEMATIC

0

Eval Board: Schematic

3.41 MB

EN

Eval Board: Schematic

September 01, 2020

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SEC-6D6KW-OBC-SIC-GEVB_MAIN_BOM_ROHS

0

Eval Board: BOM

277.5 KB

EN

Eval Board: BOM

September 01, 2020

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SEC-6D6KW-OBC-SIC-GEVB_PFC_BOM_ROHS

0

Eval Board: BOM

345.09 KB

EN

Eval Board: BOM

September 01, 2020

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SEC-6D6KW-OBC-SIC-GEVB_CONTROL_BOM_ROHS

0

Eval Board: BOM

228.35 KB

EN

Eval Board: BOM

September 01, 2020

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SEC-6D6KW-OBC-SIC-GEVB_LLC_BOM_ROHS

0

Eval Board: BOM

351.23 KB

EN

Eval Board: BOM

September 01, 2020

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Eval Board: Manual

August 01, 2020

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