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Was Sie bei der Auslegung eines Leistungsmoduls beachten müssen
Autor： ZYG Leistungsmodul Time： 2022-9-21
Wenn Sie ein Techniker für Schaltnetzteile sind, brauchen Sie die Einführung des Leistungsmoduls nicht zu lesen. Wenn Sie noch ein Anfänger sind oder das Design von Mikrocontrollern lernen, ist es am besten, Wort für Wort nachzuschlagen.
Die Vorteile der Wahl eines Leistungsmoduls
At present, different distributors have released a variety of different power modules in the sales market, but the working voltage, power, function and topology structure types of different products are not the same.
Die Wahl eines Leistungsmoduls spart Entwicklungszeit und ermöglicht eine schnelle Markteinführung, sodass ein Leistungsmodul einer integrierten Lösung vorgezogen wird.
1. Jedes Steuermodul kann streng in verschiedenen Aspekten getestet werden, um sicherzustellen, dass sein Seitenverhältnis zuverlässig ist, hauptsächlich einschließlich Plug-in-Tests, was praktisch ist, um nicht qualifizierte Produkte abzulehnen.
Im Gegensatz dazu sind integrierte Lösungen schwieriger zu erkennen, da alle Energieverteilungssysteme eng mit anderer Systemsoftware auf dem Stromversorgungskreis verbunden sind.
2. Verschiedene Händler können Steuermodule gleicher Größe gemäß den aktuellen Standardspezifikationen entwerfen, was technischen Ingenieuren, die DC-Schaltnetzteile entwerfen, unterschiedliche Auswahlmöglichkeiten bietet.
3. Das Konstruktionsschema und der Test jedes Steuermoduls werden gemäß den Anforderungen der Spezifikationsmerkmale durchgeführt, was dazu beiträgt, das Risiko der Anwendung neuer Technologien zu verringern.
4. If the integrated solution is adopted, if there is a problem with the software of the switching power supply system, the entire motherboard must be disassembled and replaced; if the control module design scheme is selected, the difficult control module can be removed and replaced, which is conducive to reducing costs and development time.
Power module design issues that are easy to ignore
Die Auswahl eines Steuermoduldesigns hat zwar mehrere Vorteile, aber ein integriertes DC/DC-Wandlerdesign wie das Steuermoduldesign ist selbst ein Problem, das viele Menschen nicht verstehen oder dem sie nicht genügend Aufmerksamkeit schenken.
Einige dieser Schwierigkeiten umfassen: genaue Messung des Ausgangsrauschens; Softwaredesign für Magnetfeldsysteme; Probleme mit dem thermischen Zusammenbruch von isometrischen Blutdruckwandlern; Ruf von Leiterplatten.
Magnetisches Design
Die Zuverlässigkeit des Kerns ist ein weiteres Problem, das von anderen oft übersehen wird. Die meisten Ausgangsinduktorspulen bestehen aus Kupferpulver, dem kostengünstigsten Rohmaterial. Etwa 96% des Kupferkerns ist reines Eisen.
Die Kupferpartikel werden unter Verwendung eines organisch-chemischen Bindemittels miteinander verbunden, das auch jedes Kupferpartikel trennt, um die Permeabilität des Innenraums innerhalb und außerhalb des Kerns zu füllen.
Vorherige: So wählen Sie eine DC-DC-Wandlerfabrik aus, wie Sie einen hochwertigen DC-DC-Wandler auswählen
Nächste: Vorteile modularer Netzteile
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