Toshiba Releases Automotive Photorelay with 1800V Output Withstand Voltage
Toshiba Electronic Devices & Storage Corporation ('Toshiba') has launched an automotive photorelay [1], ' TLX9165T,' in a 10pin SO16L-T package, that supports high voltage automotive batteries with an output withstand voltage of 1800V (min). Volume shipments start today.
This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20250716045035/en/
Toshiba: a new photorelay 'TLX9165T' with an output withstand voltage of 1800V (min) suited for high voltage automotive batteries.
Improved charge times and longer cruising ranges are essential for wider adoption of electric vehicles, and both require more efficient operation of battery systems. Battery management systems (BMS) realize efficient system operation by monitoring the battery charge status, and the insulation between the battery and the vehicle body that is essential for the safe use of high-voltage batteries. BMS that must handle high voltages use electrically isolated photorelays.
Energy storage systems (ESS), used to secure efficient operation of renewable energy, have also adopted a configuration similar to BMS; they handle the same high voltage as electric vehicles, and use electrically isolated photorelays.
While 400V battery systems are the mainstream in electric vehicles, growing demand for longer cruising ranges and faster charging will hasten the shift to 800V systems. Photorelays used in those battery systems must have a withstand voltage approximately twice the system voltage, which is 1600V or more for an 800V system. Toshiba's new photorelay incorporates a newly developed high-voltage MOSFET with an output withstand voltage of 1800V(min), suitable for 800V systems.
The 10-pin SO16L-T package adopts a resin with a Comparative Tracking Index (CTI) [2] of 600 or more, putting it in material group I [3] of the IEC 60664-1 [4] international standard, and the pin configuration ensures a creepage distance of 7.5mm or more [5] on the light receiver side. These features are compliant with IEC 60664-1, and deliver an operating voltage of 1500V.
The pin pitch and pin configuration are the same as SO16L-T [6], allowing the common use of PCB pattern design.
Toshiba will continue to develop photorelay products suitable for battery systems in automotive applications and energy storage systems in industrial equipment, contributing to the safe operation of equipment.
Notes:
[1] Photorelay: The primary (control) side and the secondary (switch) side 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] Comparative Tracking Index (CTI): IEC 60112 [7] defines CTI as the maximum possible voltage before droplets of ammonium chloride solution on the surface of the insulating material cause tracking, under the given test conditions.
[3] Material group I: One of the classifications of molded materials in IEC 60664-1 [4] refers to materials with a Comparative Tracking Index (CTI) [2] of 600 and more.
[4] IEC 60664-1: This standard specifies principles, requirements, and test methods for insulation coordination for systems up to AC 1000V or DC 1500V.
[5] A creepage distance of 7.5mm or more: The required creepage distance for an operating voltage 1500V, 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.)
[6] SO16L-T: The package used for Toshiba's TLX9160T and TLX9152M.
[7] IEC 60112: An international standard that specifies testing methods for measuring the Comparative Tracking Index (CTI) of insulating materials. This standard is used to evaluate electrical breakdown (tracking) characteristics at the surface of solid insulating materials.
Applications
Features
Main Specifications
Follow the link below for more on the new product.
TLX9165T
Follow the link below for more on Toshiba's Isolators and Solid State Relays.
Isolators/Solid State Relays
Follow the link below for more on Toshiba's Automotive Devices.
Automotive Devices
To check availability of the new products at online distributors, visit:
TLX9165T
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* 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.
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.
Find out more at https://toshiba.semicon-storage.com/ap-en/top.html
View source version on businesswire.com:https://www.businesswire.com/news/home/20250716045035/en/
CONTACT: Customer inquiries:
Optoelectronic Device Sales & Marketing Dept.
Tel: +81-44-548-2218
Contact UsMedia Inquiries
C. Nagasawa
Communications & Market Intelligence Dept.
Toshiba Electronic Devices & Storage Corporation
[email protected]
KEYWORD: NORTH AMERICA UNITED STATES ASIA PACIFIC JAPAN CANADA
INDUSTRY KEYWORD: EV/ELECTRIC VEHICLES HARDWARE BATTERIES AFTERMARKET TECHNOLOGY AUTOMOTIVE ENVIRONMENT SEMICONDUCTOR GREEN TECHNOLOGY CHEMICALS/PLASTICS AUTOMOTIVE MANUFACTURING MANUFACTURING
SOURCE: Toshiba Electronic Devices & Storage Corporation
Copyright Business Wire 2025.
PUB: 07/16/2025 10:00 PM/DISC: 07/16/2025 10:00 PM
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