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Expand the product line of digital isolators to support stable, high-speed isolated data transmission in industrial applications

Jack December 22, 2023

Toshiba today announced the addition of four new products to its line of DCL54xx01 series four-channel digital isolators featuring high common mode transient transformation suppression (CMTI) and high-speed data transfer rates.

Enable control can be achieved by output enable terminals [1].

The channels of DCL541H01 and DCL541L01 are configured as three forward channels and one reverse channel. The channels of DCL542H01 and DCL542L01 are configured as two forward channels and two reverse channels. Ten products, including six previously released products, enable a variety of enable control options and channel configuration options.

The DCL54xx01 series uses a proprietary magnetically coupled isolated transmission method to achieve CMTI up to 100 kV/μs (minimum) [2]. This technology improves the signal isolation ability between input/output in the environment of high electrical noise, thus ensuring the stable transmission of control signals and the reliability of equipment operation. With low pulse width distortion of 0.8 ns (typical) [3] and high-speed data transfer rates of up to 150 Mbps (maximum), these digital isolators are ideal for applications requiring multi-channel high-speed communication, such as I/O interfaces with SPI communication.


Apply

Industrial automation systems (programmable logic controllers, I/O interfaces, etc.)

Motor control

Inverter

peculiarity

Enable control can be achieved by output enable terminals [1].


Four-way

Forward 3 channel and reverse 1 channel

Forward 2 channel and reverse 2 channel

High common-mode transient transformation suppression: CMTI = 100 kV/μs (minimum) [2]


Main specification


Pin distribution


Note:

[1] Output is enabled when the enable control signal is at high level. Conversely, when the control signal is enabled at low level, the output is disabled (output high impedance state).

[2] Test conditions: VI = VDDI or 0 V, VCM = 1500 VTa = 25 °C

[3] Test conditions: VDD1 = VDD2 = 5V, Ta = 25 °C


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