Google Inc.

Chenhao Nan

Xin Li

Houle Gan

Qiong Wang

Shuai Jiang

William F Edwards

Kaushik Vaidyanathan

Yujeong Shim

Richard Roy

Runruo Chen

Woon-Seong Kwon

Mikhail Popovich

Nam Hoon Kim

Chee Yee Chung

Robert Ashby Armistead, Iii

Mobashar Yazdani

Xiong Li

Cheng Chung Yang

A method includes forming a module aperture in a printed circuit board assembly ('PCBA'), forming an electronic communication interface extending around the module aperture, and plugging a pluggable processor module into the module aperture, the pluggable processor module comprising a micro-processor package, a voltage regulator, and a contact. An electronic communication interface of the pluggable processor module is placed in contact with the electronic communication interface of the PCBA.

Method of plugging a pluggable processor into a PCBA

A voltage regulator having a multiple of main stages and at least one accelerated voltage regulator (AVR) bridge is provided. The main stages may respond to low frequency current transients and provide DC output voltage regulation. The AVR bridges are switched much faster than the main stages and respond to high frequency current transients without regulating the DC output voltage. The AVR bridge frequency response range can overlap with the main stage frequency response range, and the lowest frequency to which the AVR bridges respond may be set lower than the highest frequency to which the main stages respond.

Trans-inductor voltage regulator for high bandwidth power delivery

The subject matter described herein provides systems and techniques for the integration of TLVR technology in a vertical power VR module. A multiple-secondary TLVR topology using a controlled leakage inductance in the place of a separate compensation inductor, Lc, may be employed for the vertical power VR module. In addition, the capacitance inside the device to which the TLVR based vertical power VR module supplies power, rather than an output capacitance board, may be used in order to allow the module to be a single layer. Example structures that may include one or more primary windings and/or one or more secondary windings for each of possibly multiple linked phases of the TLVR based module are provided. The windings may be formed using traditional copper windings or printed circuit board (PCB) copper trace winding.

Integrating trans-inductor voltage regulator (TLVR) in vertical power delivery

Controlling voltage supplied to a load includes predicting a load current transient, generating a turbo signal in response to predicting the load current transient, and increasing, in response to the turbo signal, responsiveness of a voltage regulator supplying voltage to the load.

Predictive load transient based voltage regulator turbo for voltage droop minimization

The technology is generally directed to a coordinated power throttling mechanism for a payload using power provided by a rack such that the rack power does not exceed a threshold amount for greater than a predetermined period of time. The coordinated power throttling mechanism includes the rack providing a power throttling signal to the payload and the payload executing the power throttling upon detection of the throttling signal. The payload may detect the throttling signal and, after a delay, execute the power throttling. The delay may ensure that all payloads within the rack have detected the power throttling signal.

Rack level power throttling

A pluggable processor module includes a microprocessor package, a voltage regulator including a capacitor board, and contacts that each include a first side in contact with the microprocessor package and a second side in contact with the capacitor board. An assembly includes the pluggable processor module and a printed circuit board assembly ('PCBA') including a module aperture that is large enough to receive the power board and narrower than the capacitor board.

Pluggable CPU modules with vertical power

At least one aspect is directed to a power supply. The power supply includes one or more unregulated voltage converters. Each unregulated voltage converter includes a switched block producing an output voltage across its output terminals. The power supply includes a voltage supply input coupled to at least one of the unregulated voltage converters, and an unregulated voltage bus coupled to at least one of the unregulated voltage converters. The power supply includes a voltage regulator coupled to the unregulated voltage bus and producing a regulated voltage across its output terminals. The output terminals of the voltage regulator are connected in parallel to the output terminals of at least one of the unregulated voltage converters. This can produce a regulated output voltage across a pair of power supply output terminals.

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Santa Clara, CA, United States of America

Chenhao Nan