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Broadcom Automotive Solutions for Reliable Inverter Design in HEV/EV Systems

The rapid rise of oil prices has pushed the growth of electric vehicles (EVs) and hybrid electric vehicles (HEVs)to take center-stage in the automotive industry. The high voltage batteries used in these systems require safe insulation and isolation. Broadcom offers a complete family of products that can be used to simplify designs. These products enable more reliable inverter system design for the HEV and EV markets. Devices range from gate drivers to analog and digital current and voltage sensor ICs. These parts ensure reinforced galvanic insulation between the control circuits from the high voltages and the power semiconductor devices.




Originally presented: July 6, 2022
Duration: 1 hour
Presented by:

Overview

The rapid rise of oil prices has pushed the growth of electric vehicles (EVs) and hybrid electric vehicles (HEVs)to take center-stage in the automotive industry. The high voltage batteries used in these systems bring about a need for insulation and isolation.

Broadcom offers a complete family of products that can be used to simplify designs, and provide key features required to design reliable inverter systems for the HEV and EV market, going from gate drivers to analog and digital current and voltage sensors ICs, ensuring at the same time reinforced galvanic insulation between the control circuits from the high voltages and the power semiconductor devices.

One of the key enablers for optocouplers to handle automotive grades applications is the use of very high performance LEDs, coupled with packages designed for very reliable performance.

In this presentation we will show some examples of inverter systems and where Broadcom isolated devices are located. On the gate driver side, Broadcom has introduced drivers with high common mode transient immunity, fast short circuit detection and strong driving capability to enable fast switching, high efficiency and high reliability solutions to be used also to drive wide bandgap Power MOSFETs.

Broadcom isolated sensing ICs offer high accuracy, low drift over temperature, high common mode rejection, cost effective and reliable solutions to measure phase currents and DC-link voltages in inverter systems.

Key Takeaways

  • Learn about the challenges encountered by design engineers when using wide bandgap devices for Inverters in automotive
  • Discover how to overcome these challenges with Broadcom´s automotive gate drive offerings
  • Explore advantages offered by wide bandgap power MOSFETs and how Broadcom solutions enable fast switching, high efficiency and high reliability in automotive applications

Speaker

Mariangela De Martino, Business Development Engineer, Isolation Products Division, Broadcom Inc.

Mariangela De Martino started her career in 2005 as a hardware application engineer in the power electronics sector and developed strong expertise in DC-DC and AC-DC design. She also worked for 8 years in R&D as a product definer of four switch buck-boost converters. She joined Broadcom in 2019 as a Business Development Engineer for the Isolation Products Division supporting the European automotive market and holds a master's degree in Electronic Engineering from the University of Salerno in Italy.