BorgWarner has unveiled its Onboard Battery Charger (OBC), adding to the company’s portfolio of technologies for plug-in hybrid and pure-electric vehicles.

The technology uses silicon carbide technology for power density, power conversion efficiency and safety compliance. The OBC is installed in hybrid or electric vehicles to convert alternating current (AC) from the power grid to direct current (DC) for charging batteries.

The technology accepts an extended range of AC inputs including 7.4 kilowatt (kW), 11 kW and 22 kW power ratings with DC-to-DC converter rating integration from 2.3 kW to 3.6 kW as an option.

It is compatible with all battery chemistries and voltages of 400 volts, 650 volts and 800 volts.

“Our technical centre in Lugo, Italy, is dedicated to designing onboard battery chargers suitable for the global electric and hybrid vehicle markets,” said BorgWarner Morse Systems president and GM, Joel Wiegert.

“We are proud our latest offering with its silicon carbide technology provides maximum power conversion efficiency, thus saving energy and delivering an extended range for vehicle manufacturers and their customers.”

BorgWarner OBCs have a range of charging powers and capabilities. The OBC with a rated charging power of 7.4 kW can also be used for charging powers of 1.8 kW, 3.3 kW and 6.6 kW and uses a single-phase supply from the power grid.

The OBC with a rated charging power of 11 kW is more efficient with its three-phase grid supply and fast charging strategy, while the onboard charger rated at 22 kW has three-phase supply and therefore much faster charging.

BorgWarner OBCs are designed to meet the standards for use in many countries and regions including the US, the EU, Japan and China. They have good isolation between main input and DC output, are waterproof and dustproof, have an ISO 26262 safety rating and are contained in a liquid-cooled IP6K96 enclosure.