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Gate drivers for hybrid IGBT/SiC EV inverters

Gate drivers for hybrid IGBT/SiC EV inverters

New Products |
By Nick Flaherty



Infineon Technologies has launched isolated gate drivers for the latest hybrid IGBT and SiC inverter modules in electric vehicles.

The EiceDrivers support Infineon’s latest HybridPACK Drive G2 Fusion module, the first plug and play power module that combines Infineon’s silicon and silicon carbide (SiC) technologies to simplify vehicle powertrain designs.

The pre-configured third-generation EiceDRIVER products, 1EDI302xAS (IGBT) and 1EDI303xAS (SiC Fusion), are AEC-qualified and ISO 26262-compliant for traction inverters in cost-effective and high-performant xEV platforms.

These have a new tunable soft-off feature which improves the short-circuit performance to support the latest SiC and IGBT technologies.

The 1EDI3025AS, 1EDI3026AS and 1EDI3035AS gate drivers are in a compact PG-DSO-20 package and provide a 20 A output stage and drive high-performance inverters of all power classes up to over 300 kW.

The 1EDI3028AS and 1EDI3038AS variants with an output stage of 15 A are suitable for entry-level battery electric vehicle (BEV) and plug-in hybrid electric vehicle (PHEV) inverters as well as for the excitation circuit of externally excited synchronous machines (EESM).

Various monitoring functions, such as an integrated self-test for desaturation protection (DESAT) and overcurrent protection (OCP), improve the handling of latent system errors while the new primary and secondary safe-state interface enables versatile system safety concepts. A continuously sampling 12-bit delta-sigma ADC with integrated current source can read the voltage directly from temperature measurement diodes or an NTC.

The gate drivers also provide reinforced insulation according to VDE 0884-17:2021-10 to enable safe isolation following standardized qualification and production testing procedures.

The EiceDRIVER isolated gate driver ICs for EV can be ordered now and samples are available.

www.infineon.com/eicedriver-xev.

 

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