Standard Digital Isolators

Toshiba Standard Digital Isolators have low pulse distortion and high CMTI, which are required for isolation of high-speed signaling, and are applicable to a wide range of consumer and industrial applications. In particular, the isolation transformer circuit offers high CMTI by adopting the magnetic coupling method developed by Toshiba.

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Technical Articles

Standard Digital Isolators

Isolated 4 channel logic supporting 150Mbps data rate
For use in industrial control applications like the isolation of bus lines between ICs using different power supply source in different potential, or the suppression of external noise via a data line, Toshiba standard digital isolators transmit at a data rate over 100Mbps higher than photocouplers can achieve.

Standard Digital Isolators

Over 100kV/μs high Common Mode Transient Immunity (CMTI)
Toshiba standard digital isolators utilize their own unique topology of magnetic coupling and shutout common-mode noise to provide a high CMTI.

Standard Digital Isolators

What is the isolation life of the standard digital isolator "DCL54x01"?
Isolation life of the standard digital isolator can be predicted by applying the same concept as MOSFET gate-oxide breakdown over time (TDDB: Time Dependent Dielectric Breakdown [Note 1]).

Standard Digital Isolators

Standard Digital Isolator with Robust Electromagnetic Compatibility (EMC)
At manufacturing sites where automation is progressing, FA equipment such as inverters/servos and PLCs are operating in the same equipment.

Standard Digital Isolators

What is the impulse voltage tolerance of the standard digital isolator "DCL54x01"?
For inverter systems used in industrial applications, indices related to insulation are defined in the International Standard IEC 61800-5-1 "Adjustable speed electrical power drive system – Safety requirements” [Note 1].

Standard Digital Isolators

Pulse Width Distortion (PWD) 3ns (max) corresponds to 150Mbps high-speed communication
Toshiba's standard 4 channel digital isolators improve PWD within 3ns, perform clear eye patterns and offer a maximum data rate corresponding to 150 Mbps what is enabled by high carrier frequency and on-off keying control.

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Applications

Inverter/Servo
Such as low power consumption, miniaturization and robust operation are important in designing inverter/servo. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, motor driving circuit units, signal transmission units, etc., along with circuit configuration examples.
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Programmable Logic Controller
Such as high functionality, low power consumption and miniaturization are important in designing programmablelogic controller (PLC). Toshiba provides information on a wide range of semiconductor products suitable for power sullpy units, input and output module units, control signal transmission units, etc., along with circuit configuration examples.
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Uninterruptible power supply
Such as low power consumption and miniaturization are important in designing uninterruptible power supply (UPS). Toshiba provides information on a wide range of semiconductor products suitable for power sullpy units, inverter/converter units, control units, signal transmission units, etc., along with circuit configuration examples.
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Reference Design

PCB Photo (example)
1.6 kW Server Power Supply (Upgraded)
Thanks to Toshiba’s latest power devices and digital isolator, this 1U size and 12 V output 1.6 kW server power supply achieves higher efficiency at whole load than the existing reference design which uses the same circuit topology. Design files and guides for circuit design and operation are available as reference design.
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