Voltage control utilizing multiple PWM patterns
地域：
NY
NY Armonk
摘要
A power-delivery system may comprise a load device and a direct-current converter configured to deliver current to the load device when the direct-current converter is in an on state. The power-deliver system may comprise a voltage-measurement system configured to measure, at a beginning of each measurement cycle in a cyclic measurement pattern, a voltage at the load device. The power-deliver system may comprise a power controller configure to receive, at the beginning of each measurement cycle, the measurement of the voltage, and to perform, at the beginning of a control cycle in a cyclic control pattern, a voltage-control decision in response to a change in the measurement of the voltage being below a voltage-change threshold. The voltage-control decision may comprise whether to switch the state of the first direct-current converter. The cyclic control pattern may operate at a first frequency, and the measurement pattern may operate at a second frequency.
說明書
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Voltage measurement system 520 may deliver voltage measurements to power controllers 516 and 518 through data lines 522 and 524 respectively. In some embodiments, power management system 520 may provide measurements through data line 522 may at the beginning of each PWM cycle observed by power controller 516, whereas in other embodiments voltage measurement system 520 may provide measurements through data line 522 at the same cyclic PWM pattern according to which power controller 518 operates. Power controllers 516-518 may then base voltage-control decisions on the voltage measurements delivered by voltage measurement system 520. In embodiments in which power controller 518 is not present, data line 524 may also be omitted.
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