A Voltage Mode PWM DC-DC Boost Converter with Adaptive Dead-time Generator for Solid-State Drives
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This paper proposes a voltage mode PWM DC-DC boost converter for Solid-State Drive (SSD). SSD has recently been widely used to replace hard disk drives (HDD) in various systems. In order to drive SSD, a wide range of output voltages and high-efficiency voltage conversion are required. Therefore, the efficiency and stability of the boost converter are very important in each operating region. This paper presents a boost converter using type-3 compensator-based voltage mode control. It also proposed an adaptive dead-time generator to reduce efficiency reduction due to shoot-through current and diode conduction. The proposed converter is fabricated in TSMC 0.18um BCD process. In the simulation, a phase margin (PM) of 40 degrees or more was achieved in a wide output power voltage range of 5.5V-20V with a peak efficiency of 93.2%.
Abstract
This paper proposes a voltage mode PWM DC-DC boost converter for Solid-State Drive (SSD). SSD has recently been widely used to replace hard disk drives (HDD) in various systems. In order to drive SSD, a wide range of output voltages and high-efficiency voltage conversion are required. Therefore, the efficiency and stability of the boost converter are very important in each operating region. This paper presents a boost converter using type-3 compensator-based voltage mode control. It also proposed an adaptive dead-time generator to reduce efficiency reduction due to shoot-through current and diode conduction. The proposed converter is fabricated in TSMC 0.18um BCD process. In the simulation, a phase margin (PM) of 40 degrees or more was achieved in a wide output power voltage range of 5.5V-20V with a peak efficiency of 93.2%.
참고문헌 (7)
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- 정민규, "A hysteretic buck converter with fast transient response", IDEC Journal of Integrated Circuits and Systems, 4(2), pp.18~22 (2018), 반도체설계교육센터[DOI]