Patent ID: 9331574
Filing Date: 2016-05-03
CPC Classification: H02M

Claim Text:
1. A controller of a power converter circuit comprising an A/D converter circuit, a drive timing value generation circuit and a driving signal generation circuit, wherein, the A/D converter circuit acquires one or more analog signals necessary for control from the power converter circuit, and generates one or more digital signals (digital values) corresponding to the analog signals by performing A/D conversion of the analog signals, the drive timing value generation circuit includes a control variable arithmetic circuit and a digital adder circuit, the control variable arithmetic circuit comprises a first arithmetic logical unit performing differentiation controlled variable arithmetic and a second arithmetic logical unit performing filter arithmetic, wherein each arithmetic logical unit inputs the digital signals and performs each arithmetic respectively, the digital adder circuit adds a controlled variable generated by the first arithmetic logical unit and a controlled variable generated by the second arithmetic logical unit in a repetition interval longer than a repetition interval of the first arithmetic logical unit and shorter than a repetition interval of the second arithmetic logical unit, and generates a drive timing value for driving a switch in the power converter circuit, and the driving signal generation circuit inputs the drive timing value and generates the drive signal of the switch from the drive timing value.