Reference Design For 1kW LLC Module

By combining excessive effectivity, compact measurement, and dependable efficiency, it units a brand new benchmark for energy conversion designs, making it a flexible resolution throughout varied industries and purposes.

The EPC9149 demonstration board by Microchip Know-how is an influence conversion resolution designed as a reference for high-performance purposes. It delivers enhanced effectivity, compactness, and energy density, making it well-suited for demanding environments akin to information facilities, industrial methods, energy conversion processes, and energy provides. As trendy purposes demand smaller energy options with minimal power losses, it affords optimized efficiency, reaching peak effectivity of 97.5%. Its design prioritizes excessive effectivity and energy density, making certain it meets the necessities of vital purposes the place power financial savings and house are important. It’s a 1kW LLC converter configured for a 48V enter to 12V output operation, functioning as a DC transformer with a set conversion ratio of 4:1. 

It makes use of superior gallium nitride (eGaN) FETs to realize industry-leading efficiency. It integrates the EPC2218 (100V-rated) and EPC2024 (40V-rated) eGaN FETs, which assist reduce conduction losses and improve effectivity at excessive switching speeds. Working with a set switching frequency of 1 MHz, the EPC9149 ensures quick and secure energy conversion. Moreover, the included EPC9533 controller module options the Microchip dsPIC33CK32MP102 16-bit digital controller, offering exact and environment friendly management over the facility conversion course of. Compact and straightforward to combine, the design measures simply 22.9 mm x 58.4 mm (0.90 in x 2.30 in) with a low profile of solely 10 mm, making it extremely adaptable for space-constrained methods.  This design affords a number of key advantages. 

Its optimized footprint and low profile allow seamless integration into small enclosures, whereas the height effectivity of 97.5% at 400W and full-load effectivity of 96.7% at 12V delivering 83.3A output guarantee distinctive efficiency. The converter boasts a excessive energy density of 1227 W/in³, providing substantial energy in a compact type issue. Its design additionally ensures dependable operation with out the necessity for an exterior heatsink, simplifying thermal administration. It helps a number of high-performance purposes. In information facilities, it enhances power effectivity for power-intensive operations. In industrial methods, it ensures secure energy supply for automation and manufacturing processes. For energy conversion purposes, it facilitates environment friendly DC-DC conversion, whereas in energy provides, it gives high-efficiency options for delicate digital gear.  

Microchip Know-how has examined this reference design. It comes with a invoice of supplies (BOM), schematics, meeting drawing, printed circuit board (PCB) format, and extra. The corporate’s web site has further information in regards to the reference design. To learn extra about this reference design, click on right here.