Allegro oferece IC de driver de portão isolado de alta eficiência

Allegro offers high-efficiency isolated gate driver IC

Allegro MicroSystems, a global provider of power and sensing solutions for motion control and energy-efficient systems, announced the launch of its new Power-Thru insulated gate driver. This is the first product introduced into the company's Power-Thru portfolio.

Allegro's new isolated gate driver creates a single-package solution that drives GaN FETs with up to a 50% smaller footprint and a 40% efficiency improvement compared to competitive offerings.

The global clean energy movement requires designers of power systems in the automotive and industrial markets to generate, store and utilize energy more efficiently. Broadband silicon carbide (SiC) and gallium nitride (GaN) field-effect transistors (FETs) offer clear system-level efficiency benefits but often present integration challenges.

A traditional gate driver implementation requires an isolated gate driver and a separate isolated power supply. When assembled, the connections between the driver, power supply, and FET can add unwanted noise and create electromagnetic interference (EMI) paths that can degrade performance. Mitigating these effects can create project complexity, adding time and cost to the project schedule, as well as size and weight to a solution.

Allegro's highly differentiated, patent-protected Power-Thru Gate Drive offers engineers and designers access to new, efficient, high-power insulated gate drive technologies that provide multiple system-level benefits.

The new gate driver is innovative and unique, combining traditionally separate components – the isolated gate driver and the isolated power supply – into a single, compact and robust package. An ideal example of “less is more,” Allegro’s platform minimizes EMI paths and simplifies integration, resulting in faster time to market, efficiency gains, and production cost savings.

“Our engineering team leveraged technology from our acquisition of Heyday Integrated Circuits to quickly develop the first device in our new Power-Thru portfolio to help designers achieve their efficiency and power density goals in clean energy and e-mobility systems. ,” said Vijay Mangtani, Vice President and General Manager of High Voltage Power at Allegro MicroSystems. “This new series of patented, industry-first solutions enables engineers to build smaller, more efficient systems, reducing time to market and maximizing return on investment.”

Compared to other solutions, Allegro's differentiated Power-Thru technology allows engineers to:

  • Deliver more power, more efficiently, using 50% of the project footprint (PCB savings).
  • Reduced bill of materials (BOM) count and production cost.
  • Eliminate bootstrap circuits and isolated sources while minimizing common mode capacitance, which reduces EMI filter design efforts and improves overall efficiency.
  • Provide a reliable and scalable design process across all platforms, eliminating the need to completely redesign a power module when working with multiple GaN FET vendors.

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