48 V to 12 V DC-DC converter
Boost efficiency with Infineon's comprehensive portfolio of 48 V-12 V DC-DC converters
The mild hybrid powertrain approach appeals to passenger cars as well as to commercial and agricultural vehicles due to the shared goal of reducing CO₂ emissions. Infineon offers a complete and comprehensive system solution for 48 V to 12 V DC-DC converters with high integration to optimize space utilization. The portfolio includes supply ICs featuring integrated transceivers (SBC), microcontrollers, advanced gate drivers, and high-power MOSFETs.
For more details on power Conversion HV/LV converter, you can visit the dedicated application page (H)EV - Auxiliary HV/LV DC/DC.
48 V to 12 V DC-DC multi-phase buck-boost converter topology
Infineon offers a complete and comprehensive system solution for 48 V to 12 V DC-DC converters. In mild hybrid electric vehicles (MHEV), the 48 V generator serves as the sole power source. As a result, a component is required to ensure continuous power supply to the 12 V network. Our high-quality step-down DC-DC converters are designed to perform this task perfectly.
- Complete system solution
- Scalable approach
- High integration
- Space-saving design
Bi-directional multi-phase buck-boost converter
At Infineon, we recognize significant benefits of the buck-boost converter, including its bi-directional capabilities, simplified control requirements, minimal component count, and fail-safe operation supported by the multi-phase approach. Elevating the switching frequency to higher levels is effortlessly achievable with Infineon's excellent in-house offering of GaN components.
Requirements for 48 V / 12 V DC-DCs in mild hybrid electric vehicles
With up to 3 kW of power, Infineon's 48 V to 12 V DC-DC converters are ideally tailored for MHEV applications. Our DC-DC converters deliver high-power efficiency with minimized power dissipation and a complete system solution with a focus on high integration, a robust functional safety concept, and outstanding Infineon automotive quality. This makes our offering a superior choice for MHEV requirements.
- Understand the basic structure of a DC-DC brick and how it works
- Be familiar with the key parameters of MOSFETs and their design considerations in a DC-DC brick
- Know how to quickly and accurately select the right MOSFETs for your DC-DC brick
- Get an overview of the main feature set of this 48-volt capable EiceDRIVER™.
- Understand its different integrated protection mechanisms.
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.
- 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.
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