Procedimiento y circuito para la supervisión de la iluminación de un vehículo como simulación de lámparas incandescentes

摘要

The method involves simulating a filament lamp in a regulating circuit (12) by a load switched parallel to a light i.e. LED, to be monitored, where the regulating circuit restores a part of power consumed during a load simulation in en electrical system. A load voltage (Ub) is produced by a switching regulator with a switch-mode regulation circuit in the regulating circuit for regulating a constant voltage. A control circuit (16) is switched on and off by a switch (S4) e.g. transistor. An input capacitor (C1) is arranged in the regulating circuit for buffering an input voltage. An independent claim is also included for a switch for monitoring vehicle light.