Method and system for adjusting precision of output current of LED driving power supply

By building an automated output current accuracy adjustment system in the LED driver power supply, using the coordinated work of the upper computer, electronic load and LED driver power supply, the problem of difficult to achieve high-precision output current in the existing technology is solved, and automated adjustment is achieved, improving accuracy and reducing costs.

CN119697825APending Publication Date: 2025-03-25SHENZHEN SOSEN ELECTRONICS CO LTD
0 Cites 0 Cited by

Patent Information

Application Number
CN202411769006.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

It is difficult for existing LED driver power supplies to achieve accuracy adjustment of output current, especially under the accuracy requirements of ≤±5% and higher. Due to component errors and batch differences, fixed parameter settings are difficult to meet the accuracy requirements.

Method used

By constructing an LED driver power output current accuracy adjustment method and system, the upper computer uses the upper computer to send current setting parameters to the LED driver power supply, the electronic load sample output current, the upper computer calculates the correction data, and the LED driver power supply adjusts the output current based on the correction data to achieve automatic accuracy adjustment.

Benefits of technology

It realizes automatic accuracy adjustment of the output current of the LED driver power supply, significantly improves the accuracy of the output current, reduces production costs, and effectively ensures the accuracy requirements of mass production.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention relates to an LED driving power supply output current precision adjusting method and system. The method comprises the following steps that an upper computer issues current setting parameters to an LED driving power supply; the LED driving power supply adjusts the output current according to the current setting parameter; the upper computer issues a sampling instruction to the electronic load; the electronic load samples the output current of the LED driving power supply according to the sampling instruction to obtain an actual measurement value of the output current; the upper computer carries out calculation according to the measured value and the set value of the output current to obtain correction data; and the LED driving power supply adjusts the output current according to the correction data. According to the invention, automatic adjustment of the output current precision of the LED driving power supply can be realized, automation is realized while the output current precision of the LED driving power supply is significantly improved, and production can be effectively reduced.
Need to check novelty before this filing date? Find Prior Art