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                         <p><a rel="nofollow noopener" target="_blank" href="" shape="rect">Toshiba Electronic Devices & Storage Corporation</a> ("Toshiba") has launched a high voltage transistor output automotive photocoupler, “<a rel="nofollow noopener" target="_blank" href="" shape="rect">TLX9188</a>,” for isolated signal communication in automotive equipment, including electric mobility vehicles. Volume shipments start today.</p>


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Toshiba: a 200V transistor output photocoupler TLX9188 for automotive applications. (Graphic: Business Wire)

TLX9188’s high voltage photo transistor delivers a collector-emitter voltage rating of 200V, 2.5 times higher than Toshiba’s current TLX9185A, a first for the company[1]. By specifying maximum values for switching characteristics (turn-on time, turn-off time), the new photocoupler can be used as a unidirectional switch. It can also be used in feedback circuits of analog signals in 100V to 200V equipment, helping to reduce the cost of application circuits.


[1] For an automotive photocoupler


Automotive equipment


Battery Management Systems:voltage monitoring, mechanical relay sticking detection, ground fault detection, etc.
Feedback of analog signals, etc.




High collector-emitter breakdown voltage: V(BR)CEO=200V (min)
High current transfer ratio: IC/IF=100% (min), rank GB
High isolation voltage: BVS=3750Vrms (min)
Wide operating temperature rating range: Topr= -40 to 125°C
AEC-Q101 qualified
IATF 16949 certified


Main Specifications


        <p class="bwcellpmargin bwalignr">(Unless otherwise specified, @Ta=25°C)</p>

        <p class="bwalignc bwcellpmargin">Part number</p>

        <p class="bwalignc bwcellpmargin"><a rel="nofollow noopener" target="_blank" href="" shape="rect">TLX9188</a></p>

        <p class="bwalignc bwcellpmargin">Absolute maximum ratings</p>

        <p class="bwalignc bwcellpmargin">Input forward current IF (mA)</p>

        <p class="bwcellpmargin bwalignc">30</p>

        <p class="bwalignc bwcellpmargin">Collector current IC (mA)</p>

        <p class="bwcellpmargin bwalignc">50</p>

        <p class="bwalignc bwcellpmargin">Operating temperature Topr (°C)</p>

        <p class="bwcellpmargin bwalignc">-40~125</p>

        <p class="bwalignc bwcellpmargin">Electrical</p>

        <p class="bwalignc bwcellpmargin">characteristics</p>

        <p class="bwalignc bwcellpmargin">Collector-emitter breakdown Voltage</p>

        <p class="bwalignc bwcellpmargin">V(BR)CEO min (V)</p>

        <p class="bwalignc bwcellpmargin">@IC=0.1mA,</p>

        <p class="bwalignc bwcellpmargin">Ta= -40 to 125°C</p>

        <p class="bwcellpmargin bwalignc">200</p>

        <p class="bwalignc bwcellpmargin">Dark current ICEO max (μA)</p>

        <p class="bwalignc bwcellpmargin">@VCE=200V</p>

        <p class="bwcellpmargin bwalignc">0.2</p>

        <p class="bwalignc bwcellpmargin">Coupled</p>

        <p class="bwalignc bwcellpmargin">electrical characteristics</p>

        <p class="bwalignc bwcellpmargin">Current transfer ratio IC/IF min (%)</p>

        <p class="bwalignc bwcellpmargin">@IF=5mA, VCE=5V,</p>

        <p class="bwalignc bwcellpmargin">rank GB</p>

        <p class="bwcellpmargin bwalignc">100</p>

        <p class="bwalignc bwcellpmargin">Saturated current transfer ratio IC/IF(sat)</p>

        <p class="bwalignc bwcellpmargin">min (%)</p>

        <p class="bwalignc bwcellpmargin">@IF=1mA,</p>

        <p class="bwalignc bwcellpmargin">VCE=0.4V,</p>

        <p class="bwalignc bwcellpmargin">rank GB</p>

        <p class="bwcellpmargin bwalignc">30</p>

        <p class="bwalignc bwcellpmargin">Collector-emitter saturation voltage VCE(sat)</p>

        <p class="bwalignc bwcellpmargin">max (V)</p>

        <p class="bwalignc bwcellpmargin">@IC=2.4mA, IF=8mA</p>

        <p class="bwcellpmargin bwalignc">0.4</p>

        <p class="bwalignc bwcellpmargin">OFF-state collector current IC(off)</p>

        <p class="bwalignc bwcellpmargin">max (μA)</p>

        <p class="bwalignc bwcellpmargin">@VF=0.7V, VCE=200V</p>

        <p class="bwcellpmargin bwalignc">10</p>

        <p class="bwalignc bwcellpmargin">Switching</p>

        <p class="bwalignc bwcellpmargin">characteristics</p>

        <p class="bwalignc bwcellpmargin">Turn-on time tON max (μs)</p>

        <p class="bwalignc bwcellpmargin">@RL=1.9kΩ, VCC=5V,</p>

        <p class="bwalignc bwcellpmargin">IF=10mA</p>

        <p class="bwcellpmargin bwalignc">100</p>

        <p class="bwalignc bwcellpmargin">Turn-off time tOFF max (μs)</p>

        <p class="bwcellpmargin bwalignc">500</p>

        <p class="bwalignc bwcellpmargin">Isolation</p>

        <p class="bwalignc bwcellpmargin">characteristics</p>

        <p class="bwalignc bwcellpmargin">Isolation voltage BVS min (Vrms)</p>

        <p class="bwcellpmargin bwalignc">3750</p>

        <p class="bwalignc bwcellpmargin">Package</p>

        <p class="bwalignc bwcellpmargin">Name</p>

        <p class="bwalignc bwcellpmargin">4pin SO6</p>

        <p class="bwalignc bwcellpmargin">Size typ. (mm)</p>

        <p class="bwalignc bwcellpmargin">3.7×7.0×2.1</p>

        <p class="bwalignc bwcellpmargin">Sample Check & Availability</p>

        <p class="bwalignc bwcellpmargin"><a rel="nofollow noopener" target="_blank" href="" shape="rect">Buy Online</a></p>

    <p>Follow the link below for more on the new product.<a rel="nofollow noopener" target="_blank" href="" shape="rect">TLX9188</a></p>


Follow the link below for more on Toshiba’s photocouplers.Isolators/Solid State Relays


Follow the link below for more on Toshiba’s automotive devices.Automotive Devices


To check availability of the new product at online distributors, please visit:
TLX9188Buy Online


Customer Inquiries
Optoelectronic Device Sales & Marketing Dept.
Tel: +81-44-548-2218


* Company names, product names, and service names may be trademarks of their respective companies.
* 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, a leading supplier of advanced semiconductor and storage solutions, draws on over half a century of experience and innovation to offer customers and business partners outstanding discrete semiconductors, system LSIs and HDD products.
The company’s 22,000 employees around the world share a determination to maximize product value, and promote close collaboration with customers in the co-creation of value and new markets. With annual sales now surpassing 710-billion yen (US$6.5 billion), Toshiba Electronic Devices & Storage Corporation looks forward to building and to contributing to a better future for people everywhere.
Find out more at



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