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Seiko Instruments führt Temperaturschalter-IC mit weltweit niedrigstem Energieverbrauch ein


News provided by

Seiko Instruments Inc.

Jun 15, 2011, 01:00 ET

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TOKIO, June 15, 2011 /PRNewswire/ --

- Temperaturschalter-IC der S-5844-Reihe verbessert Sicherheit und Zuverlässigkeit bei Mobilgeräten -

Seiko Instruments Inc. (SII) hat am 15. Juni die Einführung der S-5844-Reihe bekannt gegeben, einem Temperaturschalter-IC das mit 180nA die niedrigste Stromaufnahme weltweit hat. Die Reihe bietet einen Betriebsspannungsbereich ab 1,65V in einem ultra-kleinen 1,0 mm x 1,0 mm-Gehäuse, das über eine grosse Temperaturspanne -40 bis +125 C, betrieben werden kann. Der neue Temperaturschalter-IC ist für die Nutzung mit Smartphones, Mobiltelefonen, Notebook-PC, Tablet-PCs und anderen batteriebetriebenen Mobilgeräten optimiert.

Temperaturschalter-ICs überwachen die Temperatur, um die Geräte innerhalb einer normalen Betriebstemperaturspanne zu betreiben. Der Markt für mobile/tragbare Geräte wächst sehr schnell. Die Nachfrage nach zusätzlichen Funktionen und höherer Prozessorgeschwindigkeit führt zu gesteigerter Hitzeentwicklung. Zusätzlich zu hochdichter Bestückung und langer Lebensdauer der Batterie machen diese fortschrittlichen Geräte ein Hitzemanagement erforderlich, um Störungen vorzubeugen.

Die Temperaturschalter-ICs der S-5844-Reihe erkennen eine festgelegte Grenz-Temperatur und schützen das Gerät gegen zu grosse Hitzeentwicklung, indem das Ausgangssignal invertiert wird, sobald die Temperaturschwelle erreicht ist. Damit wird eine Senkung der Leistungsaufnahme und Hitzeentwicklung eingeleitet. Das Ausgangssignal wird wiederhergestellt, wenn die Temperatur auf eine festgelegte Auslösetemperatur abfällt. So kann das Gerät Temperaturen, für die es nicht konzipiert ist, vermeiden und somit Sicherheit und Effizienz gewährleisten und die Gesamtkosten für die Entwicklung senken.

Der Temperaturschalter-IC der S-5844-Reihe kann ab einer Versorgungsspannung von 1,65V betrieben werden und nimmt typisch 180nA auf, was die Lebensdauer der Batterie erhöht und die Betriebsleistung des Geräts verbessert.

Die Reihe verwendet ein besonders kleines HSNT-4(1010)-Gehäuse (1,0mm x 1,0mm x 0,4mm), wodurch hochdichte Bestückung möglich ist. Das SNT-4A-Gehäuse (1,2mm x 1,6mm x 0,5mm) ist ebenso erhältlich. Mit einer breiten Temperaturspanne von -40 C bis +125 C bietet die S-5844-Reihe eine grosse Anwendungspalette.

    
    Detaillierte Informationen:
    http://datasheet.sii-ic.com/en/temperature_sensor/S5844A_E.pdf

    Bitte besuchen Sie folgende Webseiten:
    Englisch: http://www.sii-ic.com/en/
    Vereinfachtes Chinesisch: http://www.sii-ic.com/cn/

Informationen zu Seiko Instruments Inc. (SII)

Eine Hauptfiliale der Seiko Holdings Corporation (TSE:8050). Entwickelt, produziert und verkauft Uhren, Präzisionskomponenten und Werkzeugmaschinen, elektronische Teile, Kommunikationsprodukte und -Lösungen, Drucker und Mess- und Analysegeräte.

Bitte besuchen Sie http://www.sii.co.jp/corp/eg/index.html

    
    Ansprechpartner:
    Tomohiro Io
    Abteilung Unternehmenskommunikation
    Seiko Instruments Inc.
    Tel.: +81-43-211-1111
    E-Mail: [email protected]
    Online-Anfragen: http://speed.sii.co.jp/pub/corp/pr/inq_menu_en.jsp

    Ansprechpartner in Europa:
    Paul Krisam, 
    Components Department
    Seiko Instruments GmbH
    Tel.: +49-6102-297-143,
    eMail: [email protected]
    Website: http://www.seiko-instruments.de

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