Demo board puts IGBT drive circuit at heart of solar inverter design
To support developers of solar inverters, ON Semiconductor and Mornsun have paired the QA151 DC-DC converter with ON Semiconductor’s driver IC and transistors in an IGBT gate driver demo board.
To meet the increasing demand for renewable energy around the world, the two companies have collaborated on a development board to support design engineers evaluate the effectiveness of an IGBT-based power system.
ON Semiconductor has developed a gate drive demonstration board for system designers developing high power solar inverters featuring the Mornsun QA151 combined DC-DC converter and gate drive.
The DC-DC converter specifically designed for IGBT drivers. It has two asymmetric outputs (+15/-8.0V DC) with very low input to output capacitance, making it the ideal[ch3] DC-DC converter to power ON Semiconductor’s FOD3120SD driver IC and 2SC5569 and 2SA2016 transistors.
The QA151 also has a wide operating temperature range from -40 to +105℃ and is supplied in a compact, internally-potted 7-pin SIP case (19.5 x 9.8 x 12.5mm, saving valuable board real estate on space-constrained solar inverter designs.).
A high quality isolation transformer provides up to 3000Vac. The QA151’s isolation capacitance is only 6pF, ensuring excellent interference immunity for the demo board. Additionally, with an output current up to 120mA and the ability to drive 200uF capacitive loads, meets the general power requirements for power IGBT bridge circuits
The Mornsun QA151 DC-DC converter is available now from Relec Electronics.
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