System and method for diagnosing electrical faults

A power supply and power technology, applied in the system field, can solve problems such as cable output faults

Active Publication Date: 2020-05-15
CONNAUGHT ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, sometimes the output to the load device

Method used

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  • System and method for diagnosing electrical faults
  • System and method for diagnosing electrical faults
  • System and method for diagnosing electrical faults

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Embodiment Construction

[0008] Specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. For consistency, the same elements in the various figures are denoted by the same reference numerals.

[0009] In the following detailed description of the embodiments of the present invention, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. In other instances, well known features have not been described in detail to avoid unnecessarily complicating the description.

[0010] Throughout the application, an ordinal number (eg, first, second, third, etc.) may be used as an adjective for an element (ie, any noun in the application). The use of ordinal numbers does not imply or create any particular order of elements nor limit any element to for only a single el...

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Abstract

A load device coupled to an output of an ECU via a coaxial cable is disclosed. The ECU provides power to the load device, and has a power over coaxial cable (Po C) filter coupled to the output, a highside switch (HSS) coupled to the power supply and to the Po C filter via an HSS output line, a diode disposed in the HSS output line that eliminates current flow from the output towards the HSS, while allowing current flow from the HSS towards the load device, a diode resistor in parallel with the diode that allows a current to flow past the diode towards the HSS while a short-to-battery scenariois occurring, and a pull down resistor (RPD) disposed between the output line of the HSS and a ground prior to the diode configured to pull the voltage at the HSS output down to zero while an open load scenario is occurring.

Description

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Claims

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Application Information

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Owner CONNAUGHT ELECTRONICS
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