Shulou(Shulou.com)11/24 Report--

October 5, onsemi recently announced the launch of three silicon carbide (hereinafter referred to as "SiC") based power modules, using die-casting die technology for all types of electric vehicles (hereinafter referred to as "xEV") on-board charging and high voltage (hereinafter referred to as "HV") DCDC conversion. The APM32 series is the industry's first product that combines SiC technology with die-casting die packaging to improve energy efficiency and reduce xEV charging time. It is designed for high-power vehicle chargers from 11 kW to 22 kW (hereinafter referred to as "OBC").

These three modules all show the advantages of low conduction loss and switching loss. Combined with the best thermal resistance and high voltage isolation, they can handle 800V bus voltage. Higher energy efficiency and less heat eventually make the OBC more powerful. It allows the xEV to charge faster and have longer mileage, which are two key factors that consumers value very much.

With on Semet's end-to-end SiC supply chain capabilities and proven SiC MOSFET and diodes, APM32 modules are highly reliable and each module is serialized and fully traceable. These modules operate at junction temperatures of up to 175 ℃ (Tj), ensuring reliability even in challenging, space-constrained automotive applications.

The two modules of the APM32 series, NVXK2TR40WXT and NVXK2TR80WDT, use an H-bridge topology with a breakdown (V (BR) DSS) voltage of 1200 V, ensuring suitability for high-voltage battery packs. They are designed for OBC and HV DCDC conversion segments. The third module NVXK2KR80WDT uses the Vienna rectifier topology for the power factor correction (PFC) section of the OBC. The 6-pack module and the full bridge module will also be launched soon to improve SiC OBC's product portfolio.

All three modules use a small, robust dual in-line package (DIP) to ensure the low impedance of the module. The top water cooling and isolation functions meet the strictest automotive industry standards. Creeping distance and electrical clearance are in accordance with IEC 60664-1 and IEC 60950-1. In addition, these modules comply with AEC-Q101 and AQG 324 specifications.

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