Medium- and high-power frequency-adjustable digital power system
AssigneeElementech International Co., Ltd.
InventorMing-Han Nieh
Life of this patent
Estimating the term…
Abstract
A medium- and high-power frequency adjustable digital power system includes a switch switching circuit, an output sampling circuit, and a microcontroller. The switch switching circuit has a plurality of switches, receives an AC input power source and converts the AC input power source into an output power source. The output sampling circuit receives an output voltage and an output current of the output power source. The microcontroller receives the output voltage and the output current, and generates a plurality of control signals according to power information calculated by the output voltage and the output current to correspondingly control turning on and turning off the switches.
Claims9
A medium- and high-power frequency-adjustable digital power system comprising:
- a switch switching circuit having a plurality of switches, configured to receive an AC input power source and convert the AC input power source into an output power source,
- an output sampling circuit electrically coupled to the switch switching circuit, and configured to receive an output voltage and an output current of the output power source,
- a microcontroller comprising:
- an analog-to-digital conversion unit configured to receive the output voltage and the output current, and convert the output voltage and the output voltage into a digital voltage signal and a digital current signal,
- a power calculation unit coupled to the analog-to-digital conversion unit, configured to receive the digital voltage signal and the digital current signal, and calculate the power information according to the digital voltage signal and the digital current signal, and
- a control signal generation unit coupled to the power calculation unit, configured to receive the power information, and generate the control signals according to the power information calculated by multiplying the output voltage and the output current to correspondingly control turning on and turning off the switches, and
- a driver circuit comprising:
- a first gate driver and a second gate driver, electrically coupled to the microcontroller and the switch switching circuit, configured to receive the control signals provided from the control signal generation unit of the microcontroller, and convert the control signals into a plurality of driver signals to correspondingly drive the switches.
Dependencies are inferred from the claim text.