A single-cycle control digital power factor correction module based on chip platform
By integrating current and voltage analog digital sampling, single-cycle control digital processing, and PWM wave generation programmable counter modules on the chip platform, the problems of high hardware resource consumption and poor adaptability of single-cycle control in the prior art are solved, and efficient power factor correction and low harmonic distortion effects are achieved.
CN122159663APending Publication Date: 2026-06-05HE FEI SINO WEALTH ELECTRONICS LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HE FEI SINO WEALTH ELECTRONICS LTD
- Filing Date
- 2026-03-18
- Publication Date
- 2026-06-05
Smart Images
Figure CN122159663A_ABST
Abstract
The application provides a single-cycle control digital power factor correction module based on a chip platform, comprising an analog-digital conversion module; a single-cycle control digital processing module, comprising a digital multiplier-accumulator and a special simple digital divider, which is used for performing single-cycle control digital processing to generate a duty cycle signal; a pulse width modulation wave emitting programmable counter module, which is used for converting the duty cycle signal into a PWM signal; a PFC register, which is used for storing a sampling result of the analog-digital conversion module and intermediate results of each calculation step of the single-cycle control digital processing module and configuration algorithm parameters; wherein the analog-digital conversion module, the single-cycle control digital processing module and the pulse width modulation wave emitting programmable counter module are connected in series in hardware, and parameter configuration is performed through the register module, and the whole calculation process is automatically triggered and executed through hardware.
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