LED driver and system of at least two such drivers in parallel connection

The LED driver system stabilizes voltage and prevents flickering by using capacitors and switching elements controlled by a monitoring unit to manage current draw, ensuring stable operation when multiple drivers are connected in parallel.

DE102024119415A1Pending Publication Date: 2026-01-15TRIDONIC GMBH & CO KG
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Patent Information

Application Number
DE102024119415
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2026-01-15

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Abstract

An LED driver (10) is provided. This LED driver (10) has at least two output terminals (11a, 11b) configured to supply an LED-based load with a DC voltage, at least one output capacitor (12) for the at least two output terminals (11a, 11b), at least one switching element (13) connected in series with at least one of the at least two output terminals (11a, 11b), and a control unit (14). The control unit (14) is configured to determine an output voltage with respect to the at least two output terminals (11a, 11b) and, if the output voltage exceeds a certain threshold, to charge the at least one output capacitor (12) to a certain voltage value before the control unit (14) switches the at least one switching element (13) to the conducting state.
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Citation Information

Patent Citations

  • Method for controlling operation apparatus of lamp, involves permanently closing electronic switch of step-up converter, if measured signal of step-up converter reaches or exceeds predetermined threshold

    DE102013200126A1

  • Capacitance-free LED driver

    DE102014208305A1