Dynamic voltage scaling

<p>In <a href="/facts/Computer_architecture/tHtwxgR2">computer architecture</a>, dynamic voltage scaling is a <a href="/facts/Power_management/fWv2k2sP">power management</a> technique in which the <a href="/facts/Voltage/EN2po6N2">voltage</a> used in a component is increased or decreased, depending upon circumstances. Dynamic voltage scaling to increase voltage is known as overvolting; dynamic voltage scaling to decrease voltage is known as undervolting. Undervolting is done in order to <a href="/facts/Energy_conservation/Sk7d6Dg2">conserve power</a>, particularly in <a href="/facts/Laptop/3EFwTAb2">laptops</a> and other <a href="/facts/Mobile_device/cNS1Rhvg">mobile devices</a>, where energy comes from a <a href="/facts/Electric_battery/bqEpm4ue">battery</a> and thus is limited, or in rare cases, to increase reliability. Overvolting is done in order to support higher frequencies for <a href="/facts/Computer_performance/td1qKox4">performance</a>.
</p><p>The term "overvolting" is also used to refer to increasing static operating voltage of <a href="/facts/Computer/SQe1aK05">computer</a> components to allow operation at higher speed (<a href="/facts/Overclocking/wNpjgAFI">overclocking</a>).
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Dynamic voltage scaling open-in-new

Dynamic voltage scaling