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Fast-Response Variable Frequency DCDC Converters Using Switching Cycle Event-Driven Digital Control
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DOI：10.1109/TPEL.2023.3263516.png)
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摘要
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This article investigates a new method to model and control variable-frequency power converters in a switching-synchronized sampled-state space for cycle-by-cycle digital control. There are a number of significant benefits in comparison to other methods, including fast dynamic performance together with ease of design and implementation. Theoretical results are presented and verified through hardware and simulations of a current-mode buck converter with constant ON-time and a current-mode boost converter with constant OFF-time. Dynamic voltage scaling for microprocessors and LiDAR are among the applications that can benefit.
Keyword:
Constant-on-time
current-mode
cycle-by-cycle digital control
dynamic voltage scaling (DVS)
event-driven control
light detection and ranging (LiDAR)
nonuniform sampling
sampled-data model
switching-synchronized
switching-synchronized sampled-state space (5s)
variable frequency dc-dc converters
期刊
IF:
6.5
论文数:
1.7W
被引数:
8.3W
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