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In this paper, the current sensorless control for dual-boost half-bridge (DBHB) converter with power factor correction (PFC) function is presented. The short-through problem can be avoided by the dual-boost structure for enhancing the reliability. It also reduces the power dissipation due to the body diodes' reverse recovery current of switches. Furthermore, the intrinsic voltage-doubler characteristic...
In this paper, an area-efficient successive approximation register (SAR) analog-to-digital converter (ADC) with a dithering Vref is proposed. It reuses the capacitive array with the reconfiguration of Vref to Vref ± ΔV for reducing dramatically the ADC's area. The 2n resolution is achieved by the n bit SAR-ADC. To verify the proposed scheme, the proposed SAR ADC is implemented in a TSMC 0.18 μm 1P6M...
This paper proposes a novel high step-up converter with an average mode control which is designed for power generation applications. The detailed steady-state analysis for the system is presented. According to the steady-state analysis, transfer functions of input voltage versus output voltage and duty cycle versus output voltage are obtained. In addition, some simplifications and design rules are...
In this paper, a single-stage (S2) parallel ac-to-dc converter based on single-switch two-output boost-flyback converter is presented. The converter contains two semistages. One is the boost-flyback semistage, which transfers partial input power transferred to load directly through one power flow path and has excellent self-power factor correction property when operating in discontinuous conduction...
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