The Optimal Design of A High-Temperature PCB-Embedded Transformer GaN-Based Gate-Drive Power Supply with A Wide-Input Range

Jiewen Hu, B. Wen, R. Burgos, D. Boroyevich, Yonghan Kang, Hossein Dadkhah
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引用次数: 12

Abstract

This paper presents the optimal design of a wide-input range, dual-output 10 W isolated active-clamp flyback (ACF) gate-drive power supply (GDPS) for high-temperature automotive applications. Detailed analysis and comparison between Critical Conduction Mode (CRM) and Continuous Conduction Mode (CCM) are provided to select the operating mode. A printed-circuit-board-embedded (PCB-embedded) transformer is carefully designed and it significantly improves the power density of the power supply. A 10 W, GaN-based converter prototype switching at 1MHz has been developed to demonstrate the attained power density (53.2 W/in3), peak efficiency (89.7%), input voltage range (8.5 V to 28 V), maximum operating ambient temperature (105 °C at 8.5 V and 115°C at 28 V), and transformer input-output capacitance (9.7 pF).
基于高温pcb嵌入式变压器gan的宽输入范围栅极驱动电源的优化设计
提出了一种用于高温汽车应用的宽输入范围、双输出10w隔离有源箝位反激式栅极驱动电源(GDPS)的优化设计。对临界导通模式(CRM)和连续导通模式(CCM)进行了详细的分析和比较,以选择工作模式。精心设计了嵌入式印刷电路板变压器,显著提高了电源的功率密度。开发了一个10w,基于gan的转换器原型,开关频率为1MHz,可实现功率密度(53.2 W/in3),峰值效率(89.7%),输入电压范围(8.5 V至28 V),最大工作环境温度(8.5 V时105°C, 28 V时115°C)和变压器输入输出电容(9.7 pF)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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