The automotive industry is on the cusp of a major transformation, driven by the accelerating adoption of 48V electrical systems. This new power standard promises to revolutionize vehicle performance, efficiency, and functionality, and Molex, a global electronics leader and connectivity innovator, is at the forefront of this exciting development.
Molex recently released a comprehensive report, “Rewiring the Road: Harnessing the Power of 48V,” that delves into the growing traction of 48V technology. The report provides valuable insights for automakers and product design engineers as they navigate the possibilities and challenges of transitioning from traditional 12V to 48V electrical systems.
“48V technology holds great promise, but the path forward requires industry-wide collaboration to overcome technical obstacles and establish industry standards,” said Scott Whicker, SVP and president, Transportation Innovative Solutions, Molex. “We are working with partners across the automotive ecosystem to accelerate 48V adoption. Together, we can optimize system integration, reduce development costs and speed time to market for power system components and connectivity solutions, ensuring reliable and efficient power delivery.”
Unlocking New Vehicle Capabilities
The benefits of 48V technology are undeniable. By quadrupling system voltage, 48V systems unlock a range of advanced features and functionalities, including:
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Electric Turbocharging:
Provides faster acceleration and improved fuel efficiency.*
Regenerative Braking:
Captures energy during braking, enhancing fuel economy and reducing emissions.*
Infotainment Systems:
Powers more sophisticated and feature-rich infotainment systems.*
Battery Preconditioning:
Improves battery performance and range by preconditioning the battery for optimal charging.*
Climate Control:
Delivers more responsive and efficient climate control systems.*
Steering Responsiveness:
Enhances steering responsiveness and precision.*
Engine Temperature Management:
Provides precise engine temperature management for optimal performance and fuel efficiency.Addressing Challenges
While the potential of 48V technology is undeniable, there are challenges to overcome. One key concern is the increased risk of electromagnetic interference (EMI) due to higher voltage levels. This requires careful shielding and design considerations to prevent interference with sensitive electronic components. Additionally, wiring and harness designs must be optimized to handle higher currents and voltage requirements, considering weight, space, and cost factors.
Industry Collaboration: The Key to Success
The path to full-scale 48V adoption requires a collaborative approach involving automakers, component suppliers, and technology providers. Agile methodologies and industry-wide partnerships are essential to address challenges such as:
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Upfront Investments:
Significant investments are needed to develop and manufacture 48V components.*
Integration Challenges:
Integrating 48V systems into existing vehicle platforms while ensuring seamless compatibility with current electrical systems and safety features.*
Battery Performance:
Optimizing 48V battery performance for increased energy density, power output, lifespan, and cost reduction.Molex’s Commitment to 48V Innovation
Molex is actively involved in the development of 48V technology, providing advanced connectivity solutions that meet the unique requirements of these systems. The company’s MX150 Mid-Voltage Connector system, designed for efficient assembly and reduced package size, exemplifies Molex’s commitment to supporting the evolving needs of the automotive industry. The MX150 connector system delivers a robust and reliable solution for 48V wiring applications, capable of handling up to 60V and supporting the use of smaller wire gauges to reduce weight and cost while maintaining high performance.
The Future of Automotive Power
As the demand for improved vehicle performance, efficiency, and functionality continues to grow, 48V technology is poised to become a critical component of the automotive landscape. By embracing innovation, industry collaboration, and a commitment to overcoming technical obstacles, the automotive industry can harness the power of 48V systems to create a cleaner, more connected, and more exciting future of mobility.
