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Circuit arrangement and method for controlling the operation of a plurality of components requiring a supply in a circuit arrangement

A technology of power supply components and circuit devices, applied in circuit devices, electric controllers, electrical program control, etc., can solve problems such as rising energy consumption, high area requirements, and high product prices

Active Publication Date: 2015-01-14
INFINEON TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Voltage regulators that enable faster ramp up of energy consumption also typically result in higher area requirements and higher product prices

Method used

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  • Circuit arrangement and method for controlling the operation of a plurality of components requiring a supply in a circuit arrangement
  • Circuit arrangement and method for controlling the operation of a plurality of components requiring a supply in a circuit arrangement
  • Circuit arrangement and method for controlling the operation of a plurality of components requiring a supply in a circuit arrangement

Examples

Experimental program
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Embodiment Construction

[0013] According to one embodiment, the electronic system can be fully or partially integrated in one or more chips, in other words the circuit arrangement (for example on a chip card) has a plurality of functional units or components to be powered. These components may be, for example, computing units, memories, peripherals or communication interfaces. For example, all components are supplied with a clock signal by a central clock generator. The current absorption (and thus energy consumption) of these components depends here on the clock frequency. All components can be quiescent independently of each other, thus drawing no (or very little) current. If many of these components become active at the same time, for example after waking up from a standstill, the resulting change in current (without regulation) can be so large that energy supply components (such as voltage regulators) cannot If the adjustment is made in time, the voltage will be disturbed, which may lead to the...

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PUM

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Abstract

The arrangement (100) has a set of components (101) e.g. computing units, where each component outputs a signal (102) indicating a subsequent power requirement of the component. A control unit (103) determines a value of a subsequent power requirement of the supplied components to determine if the value meets a predetermined criterion. The control unit controls the operation of the supplied components based on whether the value fulfils the criterion, and outputs the signal in a clock cycle, where the signal is indicative of energy demand of the supplied component at a later clock cycle. Independent claims are also included for the following: (1) a method for controlling operations of a set of components of a circuit arrangement (2) a smart card.

Description

technical field [0001] Embodiments generally relate to circuit arrangements and methods of controlling the operation of a plurality of components to be powered of a circuit arrangement. Background technique [0002] Simultaneous switching on of consumers in the chip (that is to say the components to be powered) can lead to malfunctions due to the resulting current changes, for example supply voltage disturbances and consequent functional failures. This can occur, for example, when many consumers are switched on at the same time, e.g. when several components to be powered are woken up from a standstill at the same time; the buffer capacity of the chip is relatively small, e.g. when using manufacturing processes that result in extremely small structures ; There are only few supply voltage connections, eg in the case of a chip card; the chip's internal voltage regulator cannot regulate the supply voltage quickly enough due to its current state. [0003] A more gradual increase...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
CPCH02J4/00G05B11/01G06F1/3228G06F1/324G06F1/3206Y02B60/32Y02B60/1217G05B19/0423Y02D10/00Y02D30/50
Inventor M·多勒S·容格N·泽夫齐克
Owner INFINEON TECH AG