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Voltage drop reduction circuit and operating method thereof

A circuit and voltage drop technology, applied in electronic switches, electrical components, regulating electrical variables, etc., to improve overall performance, reduce voltage drop, and improve power integrity

Pending Publication Date: 2022-05-13
MEDIATEK SINGAPORE PTE LTD SINGAPORE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the issues with power integrity is delivering a regulated voltage to the load on the die (for example, a processor)

Method used

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  • Voltage drop reduction circuit and operating method thereof
  • Voltage drop reduction circuit and operating method thereof
  • Voltage drop reduction circuit and operating method thereof

Examples

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Embodiment Construction

[0019] In the following description, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In other instances, well-known circuits, structures and techniques have not been shown in detail in order not to obscure the understanding of this description. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. Through the description of the present invention, those skilled in the art will be able to realize the functions of the present invention without undue experimentation.

[0020] Embodiments of the present invention provide a droop reduction circuit to reduce a voltage drop in a power supply voltage received by a first load. The voltage drop reduction circuit receives the secondary voltage to pull the drop of the power supply voltage. The secondary voltage is higher than the supply voltage, and the sec...

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PUM

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Abstract

The invention provides a voltage drop reduction circuit and an operation method thereof. The voltage drop reduction circuit includes a voltage detector circuit, a driver controller circuit, and a PSH group. The voltage detector circuit is used to detect a voltage drop in the supply voltage received by the first load. The driver controller circuit is to drive the PSH group in response to detecting a voltage drop. Each PSH group includes at least one power switch, each power switch having an input for receiving a secondary voltage, a gate terminal for receiving a drive signal from a driver controller, and an output for pulling up a voltage drop in the supply voltage, where the secondary voltage is higher than the supply voltage. According to the invention, the voltage drop in the power supply voltage provided for the load can be reduced, and the power supply integrity of the equipment is improved, so that the overall performance of the equipment is improved.

Description

technical field [0001] The invention relates to an electronic circuit for managing the power supplied to a load. Background technique [0002] As process technologies continue to shrink in size, transistors on a die operate at lower voltages and higher current densities. The increase in processing speed and current charge means that the rate of change of current (ie, di / dt) may increase significantly at certain operating points. For example, a circuit (i.e., a load) draws a large current when awake, which causes the supply voltage to drop. A drop in supply voltage (called a voltage droop) can result in a loss of performance. [0003] In circuit design, power integrity aims to ensure that the required voltage and current are met from the source to the destination. Power integrity can be the deciding factor in the success or failure of an electronic product. One of the issues with power integrity is delivering a regulated voltage to the load (eg, processor) on the die. Po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/56H03K17/687
CPCG05F1/56H03K17/687G05F1/59G05F1/575H02M3/1566G06F1/305H02M1/0093H02M1/0022H02M1/0045H02M1/08G01R19/16552G11C5/147H03K5/01
Inventor 森迪尔库玛尔·贾亚帕柏杨刘超群吴一品戴志宏
Owner MEDIATEK SINGAPORE PTE LTD SINGAPORE
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