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Toshiba Releases 2-Channel Automotive Standard Digital Isolators Compliant with AEC-Q100

Realize Stable Operation with High Common-mode Transient Immunity and High-Speed Data Communication
Date: 2025-06-29

KAWASAKI, JAPAN -- Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched a line of 2-channel high-speed standard digital isolators for automotive applications. The new “DCM32xx00 Series” features four devices that support stable operation with high common-mode transient immunity (CMTI) of 100kV/μs (typ.)[1] and high data transmission rate of 50Mbps (max)[2]. All conform to the AEC-Q100 standard for the safety and reliability of automotive electronic components. Shipments start today.

The safety and reliability of on-board chargers (OBC) and battery management systems (BMS) in hybrid-electric vehicles (HEV) and electric vehicles (EV) require devices that ensure isolation and prevent noise-propagation. Automotive standard digital isolators provide solutions for the multi-channel high-speed communications and high CMTI these isolation devices require.

The new isolators use Toshiba's proprietary magnetic coupling type isolated transmission method to achieve a high CMTI of 100kV/μs (typ.). This delivers high level resistance to electric noise between input and output in isolated signal transmission, enables stable control signal transmission and contributes to stable equipment operation. A low-pulse-width distortion of 0.8ns (typ.)[2] and a data-transmission rate of 50Mbps (max)[2] are also achieved. The new products are suitable for 2-channel high-speed communication applications such as I/O interfaces with CAN[3] communications.

Toshiba already mass produces 4-channel automotive standard digital isolators, and has now extended its product lineup to 2-channel small SOIC8-N packages. Going forward, the company will expand its range of channels and packages for automotive and industrial equipment. It will continue to provide high-quality isolation devices and photocouplers that support the reliability and real-time data transmission required by automotive equipment.

[1] Test conditions: VDD1=VDD2=4.5 to 5.5V, VCM=1500V, Topr=-40 to 125°C
[2] Test conditions: VDD1=VDD2=4.5 to 5.5V, Topr=-40 to 125°C
[3] CAN (Controller Area Network): A serial communications standard, primarily used for automotive communication networks.



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