Figure 1: Power loss comparison between a 48 V system and a 12 V system. Image source: Allegro
The demand for efficiency and cost-effectiveness in electrical systems is driving the adoption of 48 V systems across industries. These higher voltage systems provide a more optimal alternative to conventional 12 or 24 V architectures, especially where higher power delivery is crucial. Industrial automation and telecommunications leverage 48 V to power motors, actuators, and other high-power equipment. The advantages of using 48 V systems include: ■ Drive larger loads: unlike 12 V systems, which struggle to meet modern power requirements ■ Lower currents: higher voltage reduces current requirements fourfold ■ Reduced power loss: lower currents mean less power loss, less heat to dissipate, and higher efficiency; operating at a higher voltage, Allegro’s 48 V solutions drastically reduce energy loss compared to conventional 12 V
systems ■ Higher power density: Allegro’s highly integrated 48 V solutions enable higher power density space compared to competitive solutions, translating to further driving range and lower energy loss in clean energy systems ■ Lighter cabling: thinner cables lower costs and reduce weight and space, ■ lower current requirements of 48V systems, coupled with Allegro’s innovative design approaches, allow for thinner and lighter wiring harnesses and fewer overall components
History of power distribution systems
Unlocking the potential of 48 V systems with Allegro Solutions By Electronic Specifier
The 6 V power distribution system became a practical standard for ignition and lighting in early automobiles, largely influenced by the widespread use of batteries at the time. Its simplicity and ease of use made it a popular choice.
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