Allegro MicroSystems has launched the third product in its High Voltage Power-Thru portfolio, allowing for an external transformer.
Allegro's two-chip AHV85000 and AHV85040 isolated gate driver chips work together with external transformers to provide design options and maximize power efficiency in applications such as solar inverters, charging infrastructures and energy storage systems (ESS), as well as data centre power supply units.
The combo chip features the same benefits found in Allegro's existing gate driver technology acquired with Heydey Integrated Circuits in France but relocates the isolation transformer from internal to external. This provides greater design flexibility for isolation, power and layout since they can choose the suitable transformer according to their design requirements.
“We are excited to launch our latest solution in Allegro's Power-Thru lineup. Engineers now have more flexibility and freedom with the new combo chip to streamline system architecture and maximize power efficiency, thanks to the removal of the transformer,” said Vijay Mangtani, Vice President and General Manager for High Voltage Power at Allegro. “This solution represents another example of our commitment to continued innovation and responsiveness to our customers’ and the design community's needs.”
The isolated gate driver provides additional advantages for applications with different isolation requirements, including the ability to choose the isolation level, the best fit-for-purpose transformer, and where to put the isolation barrier within the system.