Patent ID: 7923979

Claim:
A control system for dyramically adjusting an output voltage of a voltage converter, the control system comprising: a first control loop having a signal processing circuit for synthesizing a pulse width modulation signal inputted to the voltage converter, said signal processing signal comprising: a voltage converter; a signal calculation circuit having a mapper performing a least significant portion truncation and an updating control duty ratio with M-bit resolution and a dither predictor for N-bit predicted interpolation; and a pulse width modulator receiving an output signal of said signal calculation circuit to generate the pulse width modulation signal for controlling the voltage converter, wherein said dither predictor generates a signal with an effective resolution of (M+N)-bit to said pulse width modulator; and a second control loop timely calibrating and squashing a pulse width of the pulse width modulation signal generated by said first control loop by detecting characteristics of the voltage converter.