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Integrated packaging circuit

A technology of integrated circuits and circuits, applied in control/regulation systems, logic circuit connection/interface arrangement, and bidirectional operation of logic circuit coupling/interface, etc., can solve problems such as failure of electronic components and high cost

Pending Publication Date: 2021-07-27
STMICROELECTRONICS (ROUSSET) SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, these oscillating analog signals may have the disadvantage of comprising a first oscillation with a strong amplitude which could cause malfunctions in the electronic components of the processing unit
However, this solution is costly

Method used

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Examples

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Embodiment Construction

[0039] figure 1 A system SYS according to an embodiment is shown. The system SYS comprises an inductance-capacitance sensor LC and an integrated circuit CI comprising an input / output unit IO, a main control circuit UPC and a processing unit UT.

[0040] The processing unit UT is configured to withstand a maximum voltage threshold. For example, the processing unit UT is configured to process signals with a maximum voltage amplitude of 5V.

[0041] The sensor LC includes an inductor Ls and a capacitor Cs installed in parallel.

[0042] The input / output unit IO includes a first port PAD to which the sensor LC is connected.

[0043] The input / output unit IO includes a first protection diode DD1 having an input (anode) connected to the first port PAD and an output (cathode) connected to a power supply terminal intended to receive the power supply voltage VDD. The input / output unit IO also includes a second protection diode DD2 having an input (anode) connected to the ground GN...

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PUM

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Abstract

The embodiment of the invention relates to a regulating integrated circuit. An oscillating analog signal includes a succession of dampened oscillations. That oscillating analog signal is conditioned to generate an output signal including only oscillations of the oscillating analog signal which have an amplitude smaller than a first threshold. The output signal is then processed by a processing unit, where the first threshold is compatible with a maximum level of voltage tolerable by the processing unit.

Description

[0001] priority claim [0002] This application claims the benefit of priority from French Patent Application No. 2000712, filed January 24, 2020, the content of which is hereby incorporated by reference in its entirety to the fullest extent permitted by law. technical field [0003] Embodiments relate to integrated circuits, and in particular to circuits configured to condition an oscillating analog signal comprising a series of ringed oscillations. Background technique [0004] Integrated circuits are known in the art and include a processing unit configured to process an oscillating analog signal comprising a series of oscillations of decreasing amplitude over time. [0005] For example, a flow meter includes a processing unit configured to determine the flow rate of a fluid based on an oscillating analog signal generated by an inductive-capacitive sensor (also referred to by the term "LC sensor"), which is placed in contact with the flowing fluid The runners in are use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257H03K9/02H03K19/01759G01F1/60H03K5/01
Inventor N·弗洛伊德瓦奥克斯L·洛佩兹
Owner STMICROELECTRONICS (ROUSSET) SAS
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