Invention Grant
US08933679B2 Adaptive dead-time control 有权
自适应死区时间控制

Adaptive dead-time control
Abstract:
A DC-to-DC converter includes first and second transistors that are connected in series between a supply voltage and ground and that are driven by PWM pulses. A junction of the transistors is connected to an inductance that is connected in series to a load. A first timing module determines a first time difference between a first edge of a first signal at the junction and a first edge of a second signal at a control terminal of the first transistor. A second timing module determines a second time difference between a second edge of the first signal and a second edge of the second signal. The first and second edges of the second signal respectively correspond to first and second edges of one of the PWM pulses. A delay module delays the first and second edges of the second signal respectively based on the first and second time differences.
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