Advanced 48V System Solutions for Automotive and Industrial Applications

Delivering Higher Efficiency and Power Density to Meet Tomorrow's Demands

Why Upgrade to 48V? Overcoming the Limitations of 12V Power

The shift to a 48V architecture offers fundamental advantages for any high-power design. By directly addressing the core engineering challenges of power loss, thermal management, and system cost, 48V systems enable a new level of efficiency and performance.

By using a voltage four times higher than a 12V rail, a 48V system delivers the same power with only 25% of the current. Because power loss is proportional to the square of the current (P_loss_ = I²R), this drastic reduction slashes resistive power losses by more than 50%. This significant gain means more power reaches the load instead of being wasted as heat, leading to improved system efficiency and a less complex thermal design.

Lower currents allow for the use of thinner, lighter, and less expensive copper wiring, which can reduce wire weight and cost by up to 5x for the same power delivery. This is especially critical in weight-sensitive automotive and robotics applications. Furthermore, the significant reduction in waste heat allows for smaller, more integrated thermal management solutions, enabling you to design more compact and power-dense systems.

48V architecture provides the ideal balance of power and safety. Systems operating below the 60Vdc threshold are classified as SELV (Safety Extra Low Voltage), allowing you to gain the immense benefits of higher power delivery without the significant cost and complexity of high-voltage designs.

48V Solutions Across the Ecosystem

Explore how our solutions are enabling higher efficiency, greater power density, and smarter control across key industries.

Automotive

Powering the Future of Mobility

Manage power in mild-hybrid powertrains, xEV powertrain, zonal architectures and high demand loads like steering and braking systems with our portfolio of robust, AEC-Q100 qualified and functionally safe 48V solutions.

Data Center

Enabling High-Density AI Computing

Maximize efficiency and minimize thermal loss in high density servers. Our power management ICs and motor drivers are optimized for 48V power distribution and advance air and liquid cooling systems.

Industrial

Driving the Next Wave of Automation

Design compact, high performance motor control solutions for robotics, AGVs and power tools. Our robust gate and intelligent motor drivers deliver optimal control and efficiency.

Why Leading Engineers Choose Allegro

Our solutions aren't just 48V-tolerant; they are 48V-optimized. We deliver performance and robustness that adapted 12V components simply cannot match.

Unmatched Robustness for Real-World Transients

Our SG8 technology is based on robust automotive qualified 120V wafer process, provides the critical headroom to withstand harsh 70V-80V transients and ensuring your designs survive the most rigorous transient immunity tests.

Future-Proof, System-Capable Design

Our components are not just supply-capable (able to handle a 48V input); they are system-capable. Many of our ICs operate seamlessly across both 12V and 48V domains, allowing you to integrate Allegro today with confidence that your design is ready for tomorrow's zonal architectures without costly requalification.

A Legacy of Automotive Safety and Partnership

As pioneers in automotive safety, we integrate advanced ASIL-compliant diagnostics and protection into our ICs. This expertise, combined with our reputation for near-zero-defect quality (measured in parts-per-billion), makes our solutions integral to our customers' most mission-critical systems.