Efficient Power Conversion Corporation (EPC) of El Segundo, California USA, has introduced the EPC2112 and EPC2115 enhancement-mode monolithic GaN power transistors with integrated driver products. The EPC2112 is a 200 V, 40-mΩ eGaN® FET plus integrated gate driver. The EPC2115, on the other hand, is an integrated circuit with dual 150 V, 70-mΩ eGaN FETs plus gate drivers. Both can operate at up to 7 MHz and are available in an extremely small, 2.9 mm x 1.1 mm BGA surface-mount passivated die with low inductance.
EPC says that these monolithic ICs let designers improve efficiency, lower costs, and save space, compared to silicon-based integrated circuits. The zero reverse recovery and ultra-low capacitance of eGaN FETs enable efficient operation in many types of designs. In both products, the company specifically matched the integrated driver to the eGaN device to deliver optimal performance under diverse operating conditions.
The small, low inductance footprint further enhances performance, and the monolithic integration eliminates interconnect inductances to provide higher efficiency at high frequency. Not having to deal with interconnect inductances is especially important for high-frequency applications including high-frequency DC-DC conversion and resonant wireless power.
Two differential class-E amplifier development boards are available for order as design examples for these components. The EPC9089 is an AirFuel™ Alliance compatible class 4 (33 W) and utilizes the EPC2112. Whereas, the EPC9088, a class 3 (16 W) amplifier, uses the EPC2115. A new demonstration board, the EPC9131, for a 300 kHz SEPIC converter low voltage DC-DC application also features the EPC2112.
Price and Availability
The EPC2112 monolithic integrated gate driver and GaN FET price for 1K units is $3.29 each and the EPC2115 integrated gate driver with dual GaN FETs price for 1K units is $3.44 each. The EPC9088 and EPC9089 development boards are priced at $158.13 and $159.13, respectively, and the EPC9131 is priced at $215.62. All of these products can be ordered from Digi-Key.