Invention Grant
US09128498B2 Dead-time compensation in a power supply system 有权
电源系统中的死区补偿

Dead-time compensation in a power supply system
Abstract:
A power supply system (10) includes a pulse-width modulation (PWM) system (14) configured to generate a PWM signal. The system (10) also includes a power stage (16) comprising a gate driver (60), a high-side switch, and a low-side switch. The gate driver (60) can be configured to alternately activate the high-side and low-side switches to provide an output signal to a load (12) in response to the PWM signal, and to provide an activation dead-time between the alternate activation of the high-side and low-side switches. The system (10) further includes a digital delay system (18) configured to measure the activation dead-time and to add the measured activation dead-time to the activation of the high-side switch.
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