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PREMA Semiconductor GmbH Robert-Bosch-Str. 6 55129 Mainz, Germany https://www.prema.com
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PREMA Semiconductor GmbH

PR4010 – 10-Kanal-Konstantstrom-LED-Treiber

(PresseBox) (Mainz, )
Mit dem PR4010 lassen sich bis zu 10 LEDs in beliebigen Farben direkt ansteuern. Um eine größere Anzahl an LEDs zu treiben, werden mehrere Bausteine kaskadiert und über eine einzige serielle Schnittstelle programmiert. So lassen sich zum Beispiel 75 LEDs einer 15x5-Dot-Matrix-Anzeige mit nur zwei PR4010 und fünf Transistoren im Multiplexbetrieb ansteuern.

Jeder der 10 Ausgänge des LED-Treibers stellt eine Stromsenke für bis zu 10mA dar. Die Programmierung der Ausgänge erfolgt über eine serielle Schnittstelle von einem Mikrocontroller aus, wobei ein Latch den Status der Eingänge speichert. Die LED-Ströme der einzelnen Kanäle weichen nur um höchstens ±5% voneinander ab
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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.