Power supply control device, state detection method, and computer program
By using multiple resistors with different resistance values and voltage detection units in the power supply control device, the problem of circuit size expansion is solved, high-precision power supply status monitoring and fault detection are achieved, and circuit complexity and cost are reduced.
CN122162271APending Publication Date: 2026-06-05AUTONETWORKS TECH LTD +2
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- AUTONETWORKS TECH LTD
- Filing Date
- 2024-05-01
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
In the prior art, as the number of vehicle loads increases, the circuit size and number of microcomputer ports required for microcomputer monitoring of the output voltage from the semiconductor fuse to the load also increase, leading to increased circuit complexity and cost.
Method used
A circuit consisting of multiple first and second resistors with different resistance values is used, combined with voltage detection and status detection units, to monitor the power supply status by detecting voltage values, thereby reducing the circuit size.
Benefits of technology
It effectively monitors the power supply status, reduces circuit size and cost, and achieves high-precision fault detection and anomaly judgment.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122162271A_ABST
Abstract
Provided are a power supply control device, a state detection method, and a computer program, which can suppress an increase in the scale of a circuit for monitoring an output voltage from a supply device to a load, and the like. A power supply control device according to the present embodiment controls a supply operation of a supply device that supplies power from a power source to a load connected to a plurality of output terminals, and includes a plurality of first resistors each electrically connected to the plurality of output terminals and having a different resistance value from the others, a second resistor commonly connected to the plurality of first resistors, a first voltage detection unit that detects a voltage between the first resistors and the second resistor, and a state detection unit that detects a state of power supply from the output terminals to the load based on a voltage value detected by the first voltage detection unit.
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