Three-phase On Board Charger (OBC) PFC-LLC platform

Overview

The SEC-3PH-11-OBC-EVB is a three-phase On Board Charger (OBC) reference design platform achieving state-of-the-art system efficiency with AEC qualified SiC power devices and drivers. The system boasts the high performance SiC MOSFET 1200 V, 80 m? (NVHL080N120SC1), SiC MOSFET Gate driver 6A (NCV51705) and SiC Diode 650 V, 30 A (FFSB3065B-F085). For test data results, the LLC system was driven in voltage or current control modes by embedded software. This reference design provides internal test results, as well as the files needed to copy the hardware design. The GUI software is provided as a reference only and the embedded software is not provided. Ultimately, SEC-3PH-11-OBC-EVB serves as a strong starting point for a customer design incorporating three-phase AC/DC power conversion. Visit the On Board Charging solutions site to learn how onsemi can accelerate your design with our innovative portfolio.

  • On board charger (OBC)
  • EV Charging
  • 3-Ph AC/DC conversion
  • AEC-Q qualified SiC power devices and drivers
  • DC/DC LLC full bridge
  • Executable software FOC (Vector Control), CC and CV
  • GUI
  • Input Voltage - 195-265 Vac
  • DC Bus Max - 735 Vdc
  • Output Voltage - 200-450 Vdc
  • Output Current - 0-40A
  • fs max. 400 kHz

Evaluation/Development Tools

Product

Type

Ref. Design

Status

Part Used

Action

Three-phase On Board Charger (OBC) PFC-LLC platform

Price N/A

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Technical Documentation

Name / Description

Document Type

Modified date

EVBUM2673/D

3

Eval Board: Manual

8.6 MB

EN

Eval Board: Manual

July 01, 2020

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SEC-3PH-11-OBC-EVB_PFC_BOM_ROHS

1

Eval Board: BOM

688.13 KB

EN

Eval Board: BOM

October 01, 2019

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SEC-3PH-11-OBC-EVB_Manufacturing_Files

1

Eval Board: Gerber

59.88 MB

EN

Eval Board: Gerber

January 01, 2021

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SEC-3PH-11-OBC-EVB_LLC_BOM_ROHS.rev0

1

Eval Board: BOM

659.46 KB

EN

Eval Board: BOM

October 01, 2019

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OBC_LLC_resonant_tank_WE_3D_Schematic

0

Eval Board: Schematic

4.2 MB

EN

Eval Board: Schematic

October 01, 2019

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SEC-3PH-11-OBC-EVB_LLC_GUI

1

Software

31.72 MB

EN

Software

September 01, 2020

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OBC_LLC_switch_board_3D_Schematic

0

Eval Board: Schematic

11.27 MB

EN

Eval Board: Schematic

October 01, 2019

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OBC_PFC_control_Schematic

0

Eval Board: Schematic

2.02 MB

EN

Eval Board: Schematic

October 01, 2019

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OBC_LLC_resonant_tank_WE_Schematic

0

Eval Board: Schematic

4.46 MB

EN

Eval Board: Schematic

October 01, 2019

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OBC_PFC_power_3D_Schematic

0

Eval Board: Schematic

20.68 MB

EN

Eval Board: Schematic

October 01, 2019

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TND6318/D

0

Reference Designs

4.6 MB

EN

Reference Designs

September 01, 2019

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OBC_LLC_switch_board_Schematic

0

Eval Board: Schematic

10.89 MB

EN

Eval Board: Schematic

October 01, 2019

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OBC_PFC_power_Schematic

0

Eval Board: Schematic

1.99 MB

EN

Eval Board: Schematic

October 01, 2019

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SiC_driver_board_Schematic

0

Eval Board: Schematic

220.16 KB

EN

Eval Board: Schematic

October 01, 2019

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SiC_driver_board_3D_Schematic

0

Eval Board: Schematic

464.9 KB

EN

Eval Board: Schematic

October 01, 2019

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AND9957/D

3

Application Notes

1.23 MB

EN

Application Notes

August 01, 2021

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