High-voltage DC-DC converter for electric vehicles
Efficient, cost-effective, and flexible high- to low-voltage (HV-LV) DC-DC conversion options for a variety of electric vehicle (EV) applications
Our automotive-qualified products support a wide range of highly efficient conversion topologies in EVs. Compact designs, high power density with minimum space, bi-directional power flow, and wide voltage ranges are key application design requirements. Utilizing advanced Si, SiC, and GaN power technologies, our HV-LV DC-DC converter solutions offer bi-directional power flow and wide voltage ranges, enabling optimal performance and efficiency.
HV-LV DC-DC system diagram
High- to low-voltage DC-DC converters for electric vehicle applications
Infineon is the leading semiconductor supplier for automotive high-voltage to low-voltage DC-DC applications. Our wide range of products for HV-LV DC-DC converters, including sensors, controllers, and actuators, provide high-efficiency and high-power density options for HV to 12 V, HV to 24 V and HV to 48 V applications. Our products are designed for functional safety and reliable operation, leveraging Infineon's technology and expertise. With Infineon's complete and competitive chipset solutions, automotive manufacturers can develop automotive HV-LV DC-DC applications that offer superior performance and meet the demands of today's and future electric vehicles.
System approach of Infineon's HV-LV DC-DC converters
- Fully automotive-qualified product portfolio
- Supports a wide range of conversion topologies
- Compact design with highest power density
- Very low switching losses at high switching frequencies
- Isolation integrated in gate drivers and digital isolators
- High-performance 32-bit microcontrollers
Infineon - leading in power electronics
Our high-performance products for automotive HV to LV DC-DC applications utilize Si, SiC, and GaN power technologies, delivering superior performance, efficiency, and reliability. Our package portfolio offers both standard and custom options, while our expertise in SiC technology provides unparalleled efficiency compared to traditional Si-based solutions. Our GaN switches enable even higher switching frequencies for more size and weigth optimized requirements.
Highlight products of Infineon's HV-LV DC-DC conversion solutions
- CoolSiC™ MOSFETs for 1200 V and 750 V automotive applications
- TRENCHSTOP™ 5 650 V IGBTs with anti-parallel diodes and CoolSiC™ hybrid IGBTs with SiC diodes
- CoolMOS™ QDPAK CFD7A
- OptiMOS™ power MOSFETs
- Complemented by EiceDRIVER™ gate drivers, XENSIV™ current sensors, AURIX™ microcontrollers, and OPTIREG™ PMICs
- Digital isolators
Infineon offers a broad portfolio on technology, products and packages.
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Online Courses
Do you want to know the various topologies you can find in this power conversion stage and their top-level working principle? Get to know the basic concepts of passive and two-level active rectification methods.
Understand why to use WBG switches for bi-directional converters, the topologies used and how they function.
Training topics:
- Get to know how AURIXTM is able to answer the needs of the electric vehicle market
- Recognize and explore how AURIX™ TC3xx addresses key electric vehicle challenges, and understand the main features of the AURIX™ TC3xx microcontroller
In this training you will:
- Get to know Infineon’s IPOSIM tool, specifically for an automotive electric vehicle inverter
- Discover the steps involved in simulating different parameters and comparing the results of different Infineon products to see which is the best fit for your application
- The training covers detailed information about Infineon's 3rd generation automotive EiceDRIVER™ 1EDI305xAS
- Participants will learn how these products help to reduce switching losses and improve thermal efficiency, resulting in longer range for hybrid and electric vehicles
This training covers Infineon’s portfolio of power semiconductors, ranging from D2PAK packages to 62-millimeter modules.
All products are based on the latest micro-pattern trench technology.
In this training you will:
- Be familiar with silicon carbide MOSFET structures and their characteristics
- Get to know Infineon's CoolSiC™ MOSFET, its features, its improvements over a typical trench MOS and how it performs against its competitors
- Have an overview of the converters needed in electric vehicles.
- Analyze the 2-quadrant converter topology in buck and boost mode and the half-bridge converter with center tap rectification topology.
Watch now
In this video, you will:
- Be familiar with top-side cooling, its uses and benefits
- Learn how you can get the most out of your TOLT package
In this training you will:
- Understand the benefits that SiC technology has over Si technology in products and systems
- Recognize the benefits of SiC in automotive applications
Learn more about Infineon automotive dependability.
In this video, you will:
- Understand how Infineon’s power semiconductor module portfolio is a solution for the main challenges of the electric vehicle industry
- Know Infineon’s general value drivers as well as recent success stories on the electromobility market
In this training you will:
- Learn about the transition from fule injection combustion engine to full battery electric vehicles and the main 48V powered applications.
- Additionally get an overview about Infineon’s comprehensive MOSFET portfolio for 48 V applications and their support material
Description:
- Get to know Infineon’s Automotive MOSFET data sheet
- Improve your understanding of the parameters and diagrams in the document, which will help you better evaluate the device’s limits and capabilities
