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Method for power brake staggering and in-rush smoothing for multiple endpoints

a technology of power brake and endpoint, applied in the field of information handling systems, can solve problems such as current spikes

Active Publication Date: 2022-05-19
DELL PROD LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This approach prevents current spikes by staggering the power release, ensuring that each endpoint powers up sequentially, thereby maintaining system stability and preventing excessive inrush currents.

Problems solved by technology

These power requirements impose power transient situations requiring robust system designs.
When the information handling system is released from the power brake event, supplying power to all slots on all risers at the same time causes a current spike.

Method used

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  • Method for power brake staggering and in-rush smoothing for multiple endpoints
  • Method for power brake staggering and in-rush smoothing for multiple endpoints
  • Method for power brake staggering and in-rush smoothing for multiple endpoints

Examples

Experimental program
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Embodiment Construction

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[0018]In the following description, details are set forth by way of example to facilitate discussion of the disclosed subject matter. It should be apparent to a person of ordinary skill in the field, however, that the disclosed embodiments are exemplary and not exhaustive of all possible embodiments.

[0019]As used herein, a hyphenated form of a reference numeral refers to a specific instance of an element and the un-hyphenated form of the reference numeral refers to the collective or generic element. Thus, for example, slot “210-1” refers to a slot, which may be referred to collectively as slots “210” and any one of which may be referred to generically as slot “210.”

[0020]For the purposes of this disclosure, an information handling system may include an instrumentality or aggregate of instrumentalities operable to compute, classify, process, transmit, receive, retrieve, originate, switch, store, display, manifest, detect, record, reproduce, handle, or utilize various forms of inform...

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PUM

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Abstract

Systems and methods for staggering the release of multiple endpoints from a power brake event. A MCU on each riser implements a riser offset delay based on its position in an order in which power is to be released. For a riser with multiple slots, a delay circuit may be connected to one or more slots to provide a unique offset time to delay the release of power supply the slot. In some systems, a baseboard management controller (BMC) identifies endpoints subject to a power brake event during a POST process. Risers and slots that are not subject to a power brake event are identified and not included in the determination of delays or offset times.

Description

BACKGROUNDField of the Disclosure[0001]This disclosure relates generally to information handling systems and, more particularly, to methods for staggering the release of multiple endpoints from a power brake event.Description of the Related Art[0002]As the value and use of information continues to increase, individuals and businesses seek additional ways to process and store information. One option available to users is information handling systems. An information handling system generally processes, compiles, stores, and / or communicates information or data for business, personal, or other purposes thereby allowing users to take advantage of the value of the information. Because technology and information handling needs and requirements vary between different users or applications, information handling systems may also vary regarding what information is handled, how the information is handled, how much information is processed, stored, or communicated, and how quickly and efficientl...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F1/26G06F13/42
CPCG06F1/26G06F2213/0026G06F13/4221G06F1/185G06F1/189G06F1/28G06F1/305G06F13/4295G06F1/30G06F1/3206G06F9/02G06F9/4401
Inventor KENNEDY, JEFFREY L.LAMBERT, TIMOTHY M.XU, YUCHEN
Owner DELL PROD LP