Setting operating points for circuits in an integrated circuit chip

    公开(公告)号:US10389251B2

    公开(公告)日:2019-08-20

    申请号:US16130136

    申请日:2018-09-13

    Abstract: The described embodiments include an apparatus that controls voltages for an integrated circuit chip having a set of circuits. The apparatus includes a switching voltage regulator separate from the integrated circuit chip and two or more low dropout (LDO) regulators fabricated on the integrated circuit chip. The switching voltage regulator provides an output voltage that is received as an input voltage by each of the two or more LDO regulators, and each of the two or more LDO regulators provides a local output voltage, each local output voltage received as a local input voltage by a different subset of the circuits in the set of circuits. During operation, a controller sets an operating point for each of the subsets of circuits based on a combined power efficiency for the subsets of the circuits and the LDO regulators, each operating point including a corresponding frequency and voltage.

    METHOD AND APPARATUS FOR TEMPERATURE AND VOLTAGE MANAGEMENT CONTROL

    公开(公告)号:US20180088606A1

    公开(公告)日:2018-03-29

    申请号:US15274697

    申请日:2016-09-23

    CPC classification number: G06F1/28 G06F1/3206 G06F1/3296 Y02D10/172

    Abstract: A method and apparatus for managing processing power determine a supply voltage to supply to a processing unit, such as a central processing unit (CPU) or graphics processing unit (GPU), based on temperature inversion based voltage, frequency, temperature (VFT) data. The temperature inversion based VFT data includes supply voltages and corresponding operating temperatures that cause the processing unit's transistors to operate in a temperature inversion region. In one example, the temperature inversion based VFT data includes lower supply voltages and corresponding higher temperatures in a temperature inversion region of a processing unit. The temperature inversion based VFT data is based on an operating frequency of the processing unit. The apparatus and method adjust a supply voltage to the processing unit based on the temperature inversion based VFT data.

Patent Agency Ranking