Anpec Electronics Corporation

Yu-Chen Chiang

Ming-Hung Chang

Fu-Yuan Chen

An output driving circuit capable of reducing EMI effect includes a non-overlapping signal generation unit for generating a first non-overlapping signal and a second non-overlapping signal according to an input signal, a pre-driver for generating a first pre-driving signal and a second pre-driving signal according to the first non-overlapping signal and the second non-overlapping signal, a high-side switch, a low-side switch, and a control unit for controlling the high-side switch or the low-side switch to be switched into a weak on state to reduce load inductive current effect for a load.

Output driving circuit capable of reducing EMI effect

An offset voltage calibration method is disclosed, which is utilized for calibrating an offset voltage of an electronic device during a calibration period. The offset voltage calibration method includes generating a control signal according to an output signal of the electronic device, counting a count value and generating an offset indication signal according to the control signal, stopping counting and generating a final count value according to a compensation value after the output signal changes state, generating a calibration signal according to the count value or the final count value, and calibrating the offset voltage according to the offset indication signal and the calibration signal.

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Changhua County, Taiwan

Yu-Chen Chiang