Summary
- Toshiba Electronics Europe introduces high-voltage transistor output photorelay for automotive battery-related control systems
- The TLX9150M is compact with dimensions 7.76mm × 10mm × 2.45mm, 25% smaller than the previous package
- Photorelay offers minimum breakdown voltage of 900V and reaction time of 1ms, suitable for battery control applications
- Features infrared emitting diode optically coupled to a photo-MOSFET for electrical isolation between primary and secondary sides
- Device has trigger current of more than 3mA, off-state current of 100nA, and compliant with AEC-Q101 and IEC 60664-1 standards
Article
Toshiba Electronics Europe has launched a high-voltage transistor output photorelay, the TLX9150M, designed for use in 400 V automotive battery-related control systems. This photorelay comes in a compact SO12L-T package that is 25% smaller than the previous package, helping to reduce costs and miniaturize the battery unit. It has a minimum breakdown voltage of 900 V and a maximum reaction time of 1 ms, making it suitable for control-sensitive applications such as battery and fuel-cell control and battery management systems.
The TLX9150M features an infrared emitting diode optically coupled to a photo-MOSFET, providing electrical isolation between the primary and secondary sides. This enables safe switch control across varying ground potentials, crucial for monitoring voltages and detecting mechanical relay sticking and ground faults in automotive systems. The device has a trigger current of more than 3 mA to minimize energy consumption, with an off-state current of 100 nA maximum at ambient temperature for minimal power draw while inactive.
With a pin pitch and layout compatible with existing package sizes, the TLX9150M allows for a common circuit board pattern design. It is a normally-open device with a minimum of 8 mm creepage and clearance distances, as well as 0.4mm insulation thickness, ensuring effective isolation in operating temperatures ranging from -40° C to +125° C. The photorelay is fully compliant with AEC-Q101 and IEC 60664-1 standards, meeting the rigorous requirements for automotive applications where reliability and safety are paramount.
The compact size, high breakdown voltage, and fast reaction times of the TLX9150M make it ideal for use in automotive battery control systems. Its low trigger current and off-state current contribute to energy efficiency, while its compatibility with existing package sizes allows for easy integration into existing designs. By providing electrical isolation and safe switch control across varying ground potentials, the photorelay ensures reliable performance in challenging automotive environments where precise control and monitoring are critical.
Overall, the TLX9150M from Toshiba Electronics Europe offers a compact, efficient, and reliable solution for automotive battery-related control systems. With its high breakdown voltage, fast reaction times, and electrical isolation capabilities, this photorelay is well-suited for use in battery and fuel-cell control, battery management systems, and other control-sensitive applications. Its compliance with automotive and international standards further demonstrates its suitability for use in demanding automotive environments.
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