Credit card sized 600V to 24V DC/DC converter

DCDCv9-3 is an electrically isolated DC/DC converter designed to convert 200V to 600V high voltage input to 24V low voltage output, with a continuous output power of up to 500W. Its credit card size (85.6×54mm) and 167g lightweight design are particularly suitable for powering automotive low voltage systems from high voltage batteries. Adopting resonant LLC soft switching topology, dynamic operating frequency (90-200kHz) ensures high efficiency and good EMC performance, and supports 12V to 48V output voltage customization. Key parametersInput voltage range: 200-600V DCNominal output voltage: 24V DC (customizable 12-48V)Output power: - Continuous output: 500W (at 400V input) - Short-term peak: 600W (180 seconds) / 750W (60 seconds)Efficiency: Up to 96.9% (at 500W load / 500V input)Dimensions and weight: 85.6×54×45mm, 167gNo-load power consumption: 7W-9WCore technical featuresIsolation design- Electrical isolation distance ≥ 4.5mm (in accordance with EV 4.3.6 specifications, 600V DC withstand voltage after coating)- Isolation enable pin with self-charging start-up capacitorPower topology- LLC resonant conversion (controller: UCC25600)- Active rectification (NCP4305DMTTWG)- Gate drive: UCC21520 (4A/6A drive capability)Protection function- Built-in pre-charge circuit (solid-state switch) - Input undervoltage/overvoltage, output overcurrent protection - Onboard high/low voltage fuse Mechanical design - Optional PCB back connector (onboard installation optimization) - Meets FSG 2024/2025 regulations Typical applications Electric vehicles: High-voltage battery to 12V/24V system power Industrial power supply: Voltage conversion for renewable energy systems Racing electronics: High-efficiency power solutions that meet FSG regulations