Robust Auxiliary Power Supply for EVs Based on Innovative STi2GaN 650V IC
Konferenz: PCIM Europe 2024 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
11.06.2024-13.06.2024 in Nürnberg, Germany
doi:10.30420/566262176
Tagungsband: PCIM Europe 2024
Seiten: 8Sprache: EnglischTyp: PDF
Autoren:
Cammarata, Frederica; Scrimizzi, Filippo; Russo, Andrea; Kamran, K.; Malannino, Claudia
Inhalt:
Among the main building blocks of EV architecture, a relevant position is covered by the emergency DCDC converter, crucial for provisioning power to a wide variety of low voltage subsystems. For this purpose, STMicroelectronics proposes its innovative STi(2)GaN 650V flyback IC in a closed control loop for HV-LV conversion. Working at 300kHz switching frequency, by autonomously tuning the duty cycle, the system can deliver up to 68W output power and guarantee 87.2% efficiency in a wide loading range. The strength of the system is its outstanding robustness in sustaining very high RMS input voltage stress (battery overvoltage) for long time window.