top of page

Toshiba Releases Automotive Photorelay in a Small Package that Achieves Output Withstand Voltage of 1500V for Automotive Battery Systems

  • news2u
  • Aug 21
  • 4 min read


ree



Toshiba: "TLX9161T," a new photorelay with an output withstand voltage of 1500V, housed in a small package.




KAWASAKI, Japan, Aug 21 (Bernama-BUSINESS WIRE) -- Toshiba Electronic Devices & Storage Corporation ("Toshiba") has launched an automotive photorelay[1], "TLX9161T," in a small SO12L-T package, that achieves an output withstand voltage of 1500V (min), the level required to support high voltage automotive batteries. Volume shipments start today.



This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20250820514873/en/ 



Key challenges in popularizing electric vehicles include reducing charging times and improving cruising range. Addressing these requires efficient operation of the battery system. This is done by the battery management system (BMS), which monitors the battery’s charge status to enable high-efficiency system operation, and also monitors isolation between the battery and the vehicle body to ensure the safe use of high-voltage batteries. Electrically isolated photorelays are used in BMS that handle high voltages.



Toshiba’s new product, a high-voltage photorelay with an output withstand voltage of 1500V (min), is a miniaturized version of Toshiba's TLX9160T photorelay. Miniaturizing the TLX9160T’s built-in MOSFET chip has achieved integration into the SO12L-T package, which has a mounting area approximately 25%[2] smaller than the TLX9160T’s SO16L-T package. This size reduction also contributes to miniaturization and cost reduction of the BMS. The pin pitch and pin layout are the same as those of the SO16L-T, enabling use of the same circuit board pattern design.



The new photorelay uses a resin with a Comparative Tracking Index (CTI[3]) exceeding 600, which is classified under Material Group I[4] of the IEC 60664-1[5] international standard. The pin configuration ensures a creepage distance of more than 5mm[6] on the detector side. This realizes compliance with IEC 60664-1, supporting an operating voltage of 1000V.



Toshiba will continue to expand its lineup of automotive photorelay products and provide solutions that address the challenges in popularizing electric vehicles, aiming to contribute to the realization of a carbon-neutral society.



Notes:


[1] Photorelay: The primary (control) and the secondary (switch) sides are electrically isolated. Switches connected directly to the AC line, and switches between equipment that differ in ground potential, can be controlled through insulating barriers.


[2] Comparison of SO16L-T package size (10.3×10.0×2.45 mm) with SO12L-T package size (7.76×10.0×2.45 mm).


[3] Comparative Tracking Index (CTI): An index that indicates the voltage withstand capability of an insulating material before an electrical track (conductive path) forms along its surface.


[4] Material Group I: A classification of molded materials in IEC 60664-1 that refers to materials with a Comparative Tracking Index (CTI[3]) of 600 and more.


[5] IEC 60664-1: The standard that specifies principles, requirements, and test methods for insulation coordination for systems up to AC 1000V or DC 1500V.


[6] More than 5mm: The required creepage distance for an operating voltage 1000V, material group I, pollution degree 2 (the degree of pollution of the operating environment where electrical equipment is used; pollutants are entirely non-conductive, but could potentially be rendered conductive by condensation.)



Applications

  • Automotive equipment: BMS (battery voltage monitoring, mechanical relay sticking detections, ground fault detections, etc.)

  • Replacement of mechanical relays

Features

  • Small package: SO12L-T (7.76×10.0×2.45 (mm) (typ.))

  • Output withstand voltage: VOFF=1500V (min)

  • Normally opened (1-Form-A) device

  • Avalanche current rating: IAV=0.6mA

  • High isolation voltage: 5000Vrms (min)

  • AEC-Q101 qualified

  • Compliant with IEC 60664-1 International Standard


Main Specifications

                                                                                                         (Unless otherwise specified, Ta=25℃)

Part number

Contact

1-Form-A

Absolute maximum ratings

Input forward current IF (mA)

30

ON-state current ION (mA)

30

Operating temperature Topr (°C)

-40 to 125

Avalanche current IAV (mA)

0.6

Electrical


characteristics

OFF-state current IOFF (nA)

VOFF=1000V

Max

100

Output withstand voltage VOFF (V)

IOFF=10μA

Min

1500

Recommended


operating conditions

Supply voltage VDD (V)

Max

1000

Coupled electrical


characteristics

Trigger LED current IFT (mA)

ION=30mA, t=10ms

Max

3

Return LED current IFC (mA)

IOFF=100μA,


Ta=-40 to 125°C, t=40ms

Min

0.05

ON-state resistance RON (Ω)

ION=30mA, IF=10mA, t<1s

Max

500

Switching


characteristics

Turn-on time tON (ms)

IF=10mA, RL=20kΩ, VDD=40V

Max

1

Turn-off time tOFF (ms)

Max

1

Isolation


characteristics

Isolation voltage BVS (Vrms)

AC, 60s

Min

5000

Clearance distance (mm)

Min

8

Creepage distance (mm)

Min

8

Package

Name

SO12L-T

Size (mm)

Typ.

7.76×10.0×2.45

Sample Check & Availability



Follow the link below for more on the new product.




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




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




To check availability of the new products at online distributors, visit:


TLX9161T




* 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.



Its 19,400 employees around the world share a determination to maximize product value, and to promote close collaboration with customers in the co-creation of value and new markets. The company looks forward to building and to contributing to a better future for people everywhere.







Contact



Customer Inquiries:


Optoelectronic Device Sales & Marketing Dept.


Tel: +81-44-548-2218




Media Inquiries


C. Nagasawa


Communications & Market Intelligence Dept.


Toshiba Electronic Devices & Storage Corporation




Source : Toshiba Electronic Devices & Storage Corporation


 
 
 

Comments


Featured Posts
Check back soon
Once posts are published, you’ll see them here.
Recent Posts
Archive
Search By Tags
Follow Us
  • Facebook Basic Square
  • Twitter Basic Square
  • Google+ Basic Square

© 2023 by Graphic Design Porfolio. Proudly created with Wix.com

bottom of page