高压-低压 DC-DC转换器是现代电动汽车和混合动力汽车的必不可少的组成部分,可在高压(HV、400V/800V电池结构)和低压(LV)电网之间实现高效的电力传输。这些转换器支持HEV、PHEV和BEV等各类电动汽车的广泛应用,为推进系统和辅助系统提供可靠的能源管理。
安森美解决方案平台为单向和双向功率流提供可扩展的模块化架构,设计人员能够优化能源分配,提高系统灵活性。典型的转化器功率等级从1 kW到5 kW不等,低压侧元件的额定电压为40V-100V,高压运行时可高达1200V。我们的交互式框图可指导工程师进行系统集成,重点关注电力电子和拓扑选择的最佳实践,保障安全合规和冗余设计。
安森美的解决方案采用先进的碳化硅EliteSiC MOSFET、超级结(SJ)MOSFET和汽车电源模块(APM16/APM32),可为400V系统和800V平台提供最高水平的效率和可靠性。我们强大的DC-DC转换技术、无缝集成以及领先的性能表现,将帮助您的汽车电气架构应对各种挑战。
Our SiC MOSFETs are designed to be fast and rugged and include system benefits from high efficiency to reduced system size and cost. MOSFETs are metal–oxide–semiconductor field-effect transistors with insulated gates. These silicon carbide MOSFETs have a higher blocking voltage and higher thermal conductivity than silicon MOSFETs, despite having similar design elements. SiC power devices also have a lower state resistance and 10 times the breakdown strength of regular silicon. In general, Systems with SiC MOSFETs have better performance and increased efficiency when compared to MOSFETs made with silicon material.
There are many advantages to choosing SiC MOSFETs over silicon MOSFETs, such as higher switching frequencies. High-temperature development is also not a concern when using SiC MOSFET modules because these devices can operate efficiently even in high heat. Additionally, with SiC MOSFETs, you benefit from a more compact product size because all components (inductors, filters, etc.) are smaller.
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