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Voltage control utilizing multiple PWM patterns

專利號(hào)
US10097090B1
公開(kāi)日期
2018-10-09
申請(qǐng)人
International Business Machines Corporation(US NY Armonk)
發(fā)明人
Andrew Ferencz; Todd E. Takken; Paul W. Coteus; Xin Zhang
IPC分類
G05F1/00; H02M3/158; H02M1/36; H02P9/30; H02M1/08; H02M1/00
技術(shù)領(lǐng)域
voltage,steady,controller,converter,pwm,may,cyclic,pattern,in,cycle
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(shuō)明書(shū)

While the invention is amenable to various modifications and alternative forms, specifics thereof have been shown by way of example in the drawings and will be described in detail. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

DETAILED DESCRIPTION

Aspects of the present disclosure relate to electronic power supply, more particular aspects relate to voltage regulation management. While the present disclosure is not necessarily limited to such applications, various aspects of the disclosure may be appreciated through a discussion of various examples using this context.

Some high-performance electronic devices (hereinafter, “devices”), such as computer processors and application-specific integrated circuits (hereinafter, “ASICs”), have strict requirements for the voltage of power provided to the device. For example, a computer processor or ASIC may accept voltage between 0.6 volts (V) and 1.0 V. If current above 1.0 V or below 0.6 V is delivered to the processor or ASIC, it may temporarily malfunction, shut off, or be functionally destroyed. Thus, the voltage of the power provided to these high-performance electronic devices must be precisely controlled.

權(quán)利要求

1
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