Transparent 3D render of a modern electric vehicle showing the 48V battery and powertrain electrical architecture.

48V Systems

为现代汽车架构提供高效率与强劲动力

48V 系统正在重新定义汽车设计，可提供更高的功率传输、更低的损耗和更轻的重量。Allegro 为混合动力和纯电动动力总成、制动和转向系统以及热管理提供解决方案，以支持这一转变。我们的产品组合包括基于稳健的 100V 工艺技术构建的高压栅极驱动器、电流传感器和电机驱动器，从而实现紧凑、高效和安全的 48V 架构。

Unlocking the Next Generation of Automotive Innovation

The future of electric, software-defined vehicles requires more power than traditional 12V systems can deliver. The industry's power demands have consistently grown for decades, and we are at a new inflection point. 

A 48V architecture is the essential foundation for unlocking the next wave of innovations like steer-by-wire and advanced ADAS. We provide the core technologies to build the safer, smarter, and more efficient vehicles of tomorrow. 
Infographic chart showing the historical growth of automotive power requirements from 6V and 12V to modern 48V systems.

Solutions for Every 48V Application

Our technology enables key mild-hybrid features such as regenerative braking and torque assist, delivering tangible improvements in fuel economy and emissions across all major 48V automotive systems.

 

Challenges and Opportunities in 48V Automotive Infrastructure

Learn why Allegro is the ideal partner to help you navigate this industry-wide shift, with insights into our proven track record of application expertise, technology leadership, and business acumen that ensure your project succeeds from conception through scaled production. 

In this whitepaper, you will learn about: 

  • Deep Applications Expertise: How we engineer solutions to meet the most demanding automotive standards for safety (ISO 26262) and robustness (AEC-Q100). 
  • Pioneering Technology Leadership: How our innovative technologies like XtremeSense™ TMR and Power-Thru™ enable more efficient, higher-performance systems. 
  • A Robust and Resilient Partnership: How our ISO-certified supply chain is designed to minimize risk and deliver reliable, zero-defect products on time. 
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Front cover of the Allegro MicroSystems whitepaper titled Challenges and Opportunities Presented by 48V Automotive Infrastructure.

Engineered to Overcome Your Toughest 48V Design Challenges

Adopting a 48V architecture introduces new design hurdles. Our technology is engineered from the ground up to solve these challenges, simplifying your design process. 
Macro view of an electrical arc between PCB traces illustrating high-voltage clearance and creepage challenges in 48V systems.

Transient Voltage Spikes

Solution: Our silicon process is designed for 48V applications, offering up to 80V operation and robust protection against the most demanding voltage transients.
Composite image of a semiconductor chip experiencing extreme environmental stress from ice to high-heat steam.

Automotive Safety & Quality

Solution: We translate our deep automotive expertise from 12V to 48V, offering a portfolio of Grade 0 and ASIL-compliant components that meet the highest standards.  
Side-by-side comparison of a traditional bulky circuit board versus a modern, highly integrated compact PCB.

System Cost and Complexity

Solution: Our expansive family of power ICs and sensors enables a common, scalable chipset for both 12V and 48V systems, simplifying your design, reducing your BOM, and more.

Design Your 48V Automotive System with Confidence

Our proven, automotive-grade solutions and expert support are ready to help you solve your toughest challenges in functional safety and system efficiency. Get design support today.