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reference designNTF2955

Onsemi NTF2955

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

Overview

TopologyLLC Resonant Converter

Description

The SEC-3PH-11-OBC-EVB is a three-phase On Board Charger (OBC) platform achieving state-of-the-art system efficiency with AEC-Q101 SiC power devices and drivers. The system boasts the high performance MOSFET 1200 V, 80 mΩ (NVHL080N120SC1), MOSFET Gate driver 6A (NCV51705) and Diode 650 V, 30 A (FFSB3065B-F085). Conceived in a modular approach and equipped with a user-friendly GUI, the kit facilitates the evaluation of the SiC devices in an OBC application. The LLC system is driven in voltage or current control modes by the embedded software. Ultimately, the platform serves as a learning environment for three-phase AC/DC power conversion. Visit the On Board Charging solutions solutions site to learn how ON Semiconductor can help you a comprehensive and advanced portfolio.

Features

  • AEC-Q101 qualified SiC power devices and drivers
  • AC/DC 3-Ph PFC full bridge (Voltage Source Inverter)
  • 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

Typical applications

  • On board charger (OBC) / EV Charging / Industrial high efficiency AC/DC / 3-Ph motor drives and SMPS
  • Battery Chargers

More information

Parts approved by Onsemi

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691322110004
SPECWR-TBL Series 3221 - 3.50 mm Horizontal PCB Header, –, 15.4 mm
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Downloads7 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-TBL Series 3221 - 3.50 mm Horizontal PCB Header
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Length15.4 mm
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Pins4 
ApplicationPCB Header 
PCB/Cable/PanelCable 
ModularityNo 
TypePCB Header 
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691361100004
SPECWR-TBL Series 3611 - 3.50 mm Vertical, –, 14 mm
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Downloads3 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-TBL Series 3611 - 3.50 mm Vertical
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Length14 mm
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Pins4 
ApplicationPlug with Rising Cage Clamp 
PCB/Cable/PanelCable 
ModularityNo 
TypeVertical Cable Entry 
Wire Section 26 to 16 (AWG) 0.129 to 1.31 (mm²)
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971300471
SPECWA-SSTIE Steel Spacer Stud, metric, internal/external, 7 mm, 30 mm
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Downloads3 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWA-SSTIE Steel Spacer Stud, metric, internal/external
SW7 mm
Length30 mm
Outer ThreadM4 
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PackagingCarton 
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Inner ThreadM4 
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74655095
SPECWP-THRBU REDCUBE THR with internal through-hole thread, –, –
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iProduction is active. Expected lifetime: >10 years.
Product seriesWP-THRBU REDCUBE THR with internal through-hole thread
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Width10 mm
Height4 mm
Inner ThreadM5 
Thread Length3.5 mm
Pins8 
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875115652007
SPECWCAP-PSHP Aluminum Polymer Capacitors, –, 8.7 mm
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-PSHP Aluminum Polymer Capacitors
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Length8.7 mm
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Capacitance100 µF
Rated Voltage35 V (DC)
Endurance 2000
Ripple Current3000 mA
ESR30 mΩ
Leakage Current700 µA
Dissipation Factor12 %
Diameter8 mm
Packaging15" Tape & Reel 
Width8.3 mm
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750317850
SPECPower Inductor, –, –
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iProduction is active. Expected lifetime: >10 years.
Product series Power Inductor
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750317849
SPECPower Transformer, –, –
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iProduction is active. Expected lifetime: >10 years.
Product series Power Transformer
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