46 W flyback convertor tailored to be an auxiliary power supply for a solar race car, using automotive-qualified InnoSwitch3-AQ switcher IC (INN3990CQ, featuring 750 V PowiGaN switch), delivering up to 80 watts for short periods

• Input: 100-150 VDC
• Nominal output: 12 V, 3.84 A
• Peak output: 6.67 A
• >95% full load efficiency across the input voltage range
• Automotive-qualified AEC-Q surface mounted (SMD) components
• Built-in synchronous rectification for high efficiency
• Secondary-side control without optocouplers
• Comprehensive fault protection, including output current limit and short-circuit
• Low component count (only 51 electrical components)
• Low profile, only 30 mm high