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Main traction inverters are the heart of electric vehicles and provide incredible amounts of torque and acceleration. The responsiveness of the inverter and the electric motor it controls correlate directly to the “feel” of the vehicle and consumer satisfaction. Power levels from 40 kW to 250+ kW are common, and these systems require extremely robust IGBT and silicon carbide (SiC) components. Scalability, enhanced thermal performance, and the industry’s lowest packaging inductance allow traction inverter designers to achieve peak efficiencies, state-of-art power density, and swift response times. 400 V to 800 V batteries supply power to traction inverters, requiring inverter components to be rated from 600 V to 1200 V while operating at current levels up to 1000 A per phase. EliteSiC and VE-Trac module solutions from onsemi provide the foundation for traction inverter design, making your automotive products powerful and reliable.

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Differentiated Transfer Molded Packages
EliteSiC Power Modules for Traction Inverter

onsemi utilizes decades of R&D of SiC technology to create a revolutionary wide bandgap product family. The EliteSiC power modules for traction inverters offer bare die solutions, gel-encapsulated case modules, and transfer molded modules, all incorporating full SiC MOSFETs. Compared to IGBT solutions, the EliteSiC product family offers increased performance, better efficiency, and higher power density in similar and highly compatible packaging solutions.

Derivative

Voltage

Features

900 V

Single-Side Direct Cooling, 6-Pack

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B2

1200 V

Single-Side Cooling, Half Bridge

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VE-Trac Family

The VE−Trac™ (Vehicle Electrification for Traction) Family is an automotive qualified line of power modules specifically designed for EV traction inverters. The VE-Trac power modules, available with IGBT silicon, are the components that convert direct current (DC) battery power in electric vehicles (EVs) or hybrid electric vehicles (HEV). EVs and HEVs have a lithium-ion battery which is now the leading e-battery technology that stores the energy in DC cells, our product then extracts that energy and converts it into alternating current to drive the electric motor. This power source is what creates propulsion for the car. The technology encompasses everything from range and performance, battery life and how the car feels when you are behind the wheel.

Derivative

Voltage

Features

750 V

Single-Side Direct Cooling, 6-Pack

More Details

750 V, 1200 V

Dual-Side Cooling, Half Bridge

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Evaluation/Development Kits

VE-Trac Direct EZ Kit

Traction inverter evaluation hardware kit for applications up to 150kW

VE-Trac Dual EZ Kit

Traction inverter evaluation hardware kit for applications up to 150kW with dual side cooling

SECO-HVDCDC1362-15W-GEVB

15W High Voltage Auxiliary Power Supply for HEV & BEV Applications

SECO-HVDCDC1362-40W-GEVB

40W High Voltage Auxiliary Power Supply for HEV & BEV Applications

SECO-LVDCDC3064-IGBT-GEVB

6 – 18Vdc Input Isolated IGBT Gate Driver Supply +15 V / -7.5 V / 7.5 V with Automotive Qualified NCV3064 Controller

SECO-LVDCDC3064-SIC-GEVB

6 – 18Vdc Input Isolated SiC Gate Driver Supply +20V / -5V / 5V with Automotive Qualified NCV3064 Controller

SECO-GDBB-GEVB

Gate Drivers Plug-and-Play Ecosystem

Reference Design

VE-Trac Direct EZ Kit

Traction inverter evaluation hardware kit for applications up to 150kW

VE-Trac Dual EZ Kit

Traction inverter evaluation hardware kit for applications up to 150kW with dual side cooling

SECO-HVDCDC1362-15W-GEVB

15W High Voltage Auxiliary Power Supply for HEV & BEV Applications.

SECO-HVDCDC1362-40W-GEVB

40W High Voltage Auxiliary Power Supply for HEV & BEV Applications

SECO-LVDCDC3064-IGBT-GEVB

6 – 18Vdc Input Isolated IGBT Gate Driver Supply +15 V / -7.5 V / 7.5 V with Automotive Qualified NCV3064 Controller

SECO-LVDCDC3064-SIC-GEVB

6 – 18Vdc Input Isolated SiC Gate Driver Supply +20V / -5V / 5V with Automotive Qualified NCV3064 Controller

Technical Documents

VE-Trac Direct Technical Guide for Traction Inverters

VE-Trac Dual Technical Guide for Traction Inverters

VE-Trac Direct/Direct SiC Assembly Guide

VE-Trac Dual Assembly Guide

Automotive Smart Power Module, The 1200V ASPM34 Series

Low VCE(sat) BJT’s in Automotive Applications

Videos