dc–dc converter

A Line-Connected Q-Sampler-Based Multi-Phase Hybrid Converter

A Line-Connected Q-Sampler-Based Multi-Phase Hybrid Converter 150 150

Abstract:

This article presents a line-connected Q-sampler-based (LQS) multi-phase (MP) hybrid converter for direct conversion from high-rail to point-of-load (PoL). The proposed topology uses an input-parallel switched-capacitor (SC) structure to support “ALL-ON” operation during load transients, while a “multi-source- ${V}_{\mathrm { X}}$ ” control decouples voltage conversion ratio (VCR) from phase count, …

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A Three-Level Dual-Path Hybrid Buck Converter With Mitigated Capacitive Current and Seamless DVS Across a Wide Output Voltage Range

A Three-Level Dual-Path Hybrid Buck Converter With Mitigated Capacitive Current and Seamless DVS Across a Wide Output Voltage Range 150 150

Abstract:

This article presents a three-level dual-path (TLDP) buck converter tailored for mobile application processors (APs) with a 1.8-V input and 0.4–1.5-V output range. Conventional buck (CB) and multi-level buck (MLB) converters suffer from prohibitive DC resistance ( $R_{\mathrm {DCR}}$ ) losses in compact inductors as load current increases. Although various multi-path …

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A Nesting-Connected Reconfigurable SC Converter With Fine-Grained Conversion Ratios and Increased Output Conduction Paths for On-Chip Surround Power Delivery

A Nesting-Connected Reconfigurable SC Converter With Fine-Grained Conversion Ratios and Increased Output Conduction Paths for On-Chip Surround Power Delivery 150 150

Abstract:

This article presents a reconfigurable switched-capacitor (SC) DC–DC converter that achieves improved overall efficiency over a fine-grained conversion-ratio range, applicable to on-chip surround power delivery (SPD) in compact and lightweight devices. We propose a nesting-connected reconfigurable SC topology generation method, attaining fine-grained subdivision of reconfigurable voltage conversion ratios (VCRs) …

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A 16 V-Output Switched-Capacitor Sigma Converter With 180 ns Transient Response and 94% Efficiency for LiDAR Receivers

A 16 V-Output Switched-Capacitor Sigma Converter With 180 ns Transient Response and 94% Efficiency for LiDAR Receivers 150 150

Abstract:

This article presents a step-up switched-capacitor (SC) sigma converter with fast transient, high efficiency, and high accuracy for light detection and ranging (LiDAR) receiver applications. The proposed sigma converter combines an unregulated SC converter in the high-voltage (HV) domain and a low-dropout (LDO) regulator in the low-voltage (LV) domain, achieving …

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A Bi-Directional Dual-Path Boost–Buck Hybrid Converter for High-Voltage Power Transmission Delivery Cable in Humanoid Robots

A Bi-Directional Dual-Path Boost–Buck Hybrid Converter for High-Voltage Power Transmission Delivery Cable in Humanoid Robots 150 150

Abstract:

Humanoid robots have great potential to replace human labors for various tasks in the near future. For a centralized energy storage system in humanoid robots, its battery pack (heart) is located in the main body while the energy is mostly consumed through its legs and hands, demanding thick wires (strong …

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A Two-Stage 12–1-V Converter Featuring Regulated Resonant SC Regulators and Collaborative Control Scheme

A Two-Stage 12–1-V Converter Featuring Regulated Resonant SC Regulators and Collaborative Control Scheme 150 150

Abstract:

In the field of power converters for data centers, the two-stage architecture has received widespread attentions due to its various advantages. Especially, the switched-capacitor voltage regulator (SCVR) becomes popular as the second-stage converter owing to its high efficiency and power density. However, the SCVR suffers from poor voltage regulation and …

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