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Toshiba Announces New Analog Output IC Photocoupler for Automotive Applications

New device delivers high-speed communications capability to the automotive environment

News provided by Toshiba Electronic Devices & Storage Corporation
July 06, 2018 10:10

TOKYO--(Business Wire / Korea Newswire) July 06, 2018 -- Toshiba Electronic Devices & Storage Corporation (“Toshiba”) announces the launch of a new analog output IC photocoupler that enables high-speed communications in automotive applications - especially electric vehicles (EV) and hybrid electric vehicles (HEV).

The new TLX9309 consists of a high-output GaAlAs light emitting diode (LED) that is optically coupled to a high-speed detector. The detector consists of a photodiode and a transistor integrated onto a single chip. A Faraday shield has been integrated onto the photodetector chip to provide enhanced levels of common-mode transient immunity - typically up to 15kV/μs, an important parameter in electrically noisy automotive environments.

By separating the photodiode and amplification transistor, the collector capacitance is reduced, reducing propagation delays and making the open-collector TLX9309 faster than transistor output devices. In fact, propagation delay times are guaranteed to be between 0.1μs and 1.0μs, with the difference between high to low and low to high transition (|tpLH-tpHL|) being no more than 0.7μs, making the device suitable for high-speed communications such as inverter control or as an interface to intelligent power modules (IPM).

Electrically, the device offers 3750Vrms of isolation with 5.0mm of creepage and clearance for safety isolation. It operates from a supply in the range -0.5 to 30V DC and can drive up to 25mA at output voltages up to 20V. The current transfer ratio is in the range 15-300%.

The TLX9309 is packaged in a 3.7mm x 7.0mm x 2.2mm RoHS compliant 5-pin SO6 package and operates over the temperature range -40°C to +125°C. The device is AEC-Q101 qualified for use in automotive applications.

The TLX9309 is now in mass production.

Applications

Automotive equipment

I/O signal communications in inverter control circuits
Signal communications within equipment
Features

Analog output (Open collector)
Data communication rate: 1 Mbps (typ.) @NRZ
Compared with a transistor output, propagation delay time is faster:
tPHL=0.8 μs (max), tPLH=1.0 μs (max)
AEC-Q101 qualified
 
Main Specifications (To view the table, please visit http://bit.ly/2u80460)

Follow the link below for more on the new product and Toshiba’s photocoupler line-up for automotive applications.
https://toshiba.semicon-storage.com/ap-en/product/opto/photocoupler/automotive.html

Customer Inquiries:
Optoelectronic Device Sales & Marketing Dept.
+81-3-3457-3431
https://toshiba.semicon-storage.com/ap-en/contact.html

Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.

About Toshiba Electronic Devices & Storage Corporation

Toshiba Electronic Devices & Storage Corporation combines the vigor of a new company with the wisdom of experience. Since becoming an independent company in July 2017, we have taken our place among the leading general devices companies, and offer our customers and business partners outstanding solutions in discrete semiconductors, system LSIs and HDD.

Our 19,000 employees around the world share a determination to maximize the value of our products, and emphasize close collaboration with customers to promote co-creation of value and new markets. We look forward to building on annual sales now surpassing 700-billion yen (US$6 billion) and to contributing to a better future for people everywhere.
Find out more about us at https://toshiba.semicon-storage.com/ap-en/company.html

View source version on businesswire.com: https://www.businesswire.com/news/home/20180704005392/en/

Contact

Toshiba Electronic Devices & Storage Corporation
Digital Marketing Department
Chiaki Nagasawa
+81-3-3457-4963
semicon-NR-mailbox@ml.toshiba.co.jp

This is a news release distributed by Korea Newswire on behalf of this company . Learn more

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