Isolators/Solid State Relays

Toshiba's portfolio of Isolators/Solid State Relays includes photocouplers, solid-state relays and fiber-optic transmission modules. Toshiba's photocouplers help improve the safety, cut the power consumption and reduce the size of end products.

Lineup

Photocouplers

Gate Driver Photocouplers
These photocouplers are suitable for driving IGBT/MOSFET gates. The lineup includes a wide range of products, including those with a built-in overcurrent protection function and 6.0-A output current.
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Photocouplers for High Speed Communication
Toshiba offers photocouplers compliant with a wide range of communication standards such as low- to medium-speed RS-232 and high-speed RS-485 as well as factory networks.
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Isolation Amplifiers & Isolated Delta - Sigma Modulators
Our isolation amplifier is an optically coupled device with a high-precision ΔΣAD converter on the input side. It is particularly suitable for realizing current sensor and voltage sensor.
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Automotive Photocouplers
Automotive photocoupler supports IATF16949. The product lineup includes various output type products. These products are checked for reliability based on AEC-Q101.
Photocouplers for IPM Interface
This photocoupler, supporting power supply voltages of 5 V and 15 V, is best suited to serve as an insulated interface for IPMs (Intelligent Power Modules).
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Transistor Output Photocouplers
Transistor-output photocouplers are used for a wide range of applications such as feedback circuits in power supplies and interfaces in industrial equipment.
Photovoltaic Output Photocouplers (for MOSFET Drive)
In a photovoltaic-output photocoupler, the light emitted by an LED is received by a photodiode array (PDA), which converts it into an output voltage.

Digital Isolators

Standard Digital Isolators
Toshiba Standard Digital Isolator features excellent noise resistance characteristics and high-speed signal transmission. It adopts a wide range of applications, from consumers to industrials where severe design is required.
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Solid State Relays

Photorelays (MOSFET Output)
Photorelays are semiconductor relays consisting of an LED optically coupled to a MOSFET that are used mainly as replacements for signal relays. Having no movable contacts, photorelays are known to have better long-term reliability than mechanical relays.
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Automotive Photorelays (MOSFET Output)
Automotive photorelay supports IATF16949. Non-contact relays contribute to power saving and long life. The combination of photovoltaic coupler and MOSFET can be used to realize contactless relay.
Triac Output Photocouplers / Thyristor Output Photocouplers
Triac-output photocouplers are suitable for controlling AC loads. Thyristor-output photocouplers are used to control AC loads that are directly connected to a 100-Vac or 200-Vac commercial power supplies or to protect power supplies etc.
Photovoltaic Output Photocouplers (for MOSFET Drive)
In a photovoltaic-output photocoupler, the light emitted by an LED is received by a photodiode array (PDA), which converts it into an output voltage.

Fiber Optic Transmitting Modules

Fiber Couplers (TOSLINK™)
A fiber coupler (TOSLINK™) is an optical transmission device that converts a digital electric signal into an optical signal to transmit data.

Cross Reference Search

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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

Technical Articles

Isolators/Solid State Relays / Solid State Relays / Photorelays (MOSFET Output)

Small photorelay with high-speed switching
Low-voltage and high-speed switching photorelay, TLP3450S contributes to faster product test times for semiconductor testers.

Isolators/Solid State Relays / Solid State Relays / Photorelays (MOSFET Output)

Photocouplers for high-speed communications
Mass production of four photocouplers for high-speed communications that can operate normally even when the rise time and fall time are slow.

Isolators/Solid State Relays / Solid State Relays / Photorelays (MOSFET Output)

Compact photorelays with low voltage drive and high temperature operation rating for Semiconductor Tester
Toshiba commercialized TLP3412SRLA with low operating voltage for 1.8 V system FPGA, High operating temperature ratings for securing equipment temperature margins and Small package S-VSON4T for high density mounting

Isolators/Solid State Relays / Solid State Relays / Photorelays (MOSFET Output)

Contributing to improved reliability of equipment in intense noise environments
Toshiba just released and begun mass production of TLP241BP, the first DIP4 package photorelay[Note 1] with OFF-state output terminal voltage 80 V, over temperature protection and over voltage protection functions.

Isolators/Solid State Relays / Photocouplers / Automotive Photocouplers

Suitable for driving high voltage power MOSFET
We have released a photovoltaic output photocoupler for solid state relay for automotive equipment with improved the minimum open voltage.

Isolators/Solid State Relays / Photocouplers / Gate Driver photocouplers

Overcurrent protection function (VCE(sat) detection) and built-in active Miller clamp function
We have introduced a smart-gate driver coupler (the TLP5222, TLP5212, TLP5214A and TLP5214) with built-in VCE(sat) detecting and Miller clamping functions to protect the IGBT from being damaged by overcurrent.

Isolators/Solid State Relays / Photocouplers / Photocouplers for High Speed Communication

Sink/source logic input signal compatible products
Our product lineup supports AC input by mounting two LEDs connected antiparallel on the primary side.

Isolators/Solid State Relays / Solid State Relays / Photorelays (MOSFET Output)

High-current (high-capacity) photorelay
Products with a current rating of maximum 5 A and a blocking withstand voltage of maximum 600 V have been prepared and can be used in a wide range of applications.

Isolators/Solid State Relays / Photocouplers / Isolation Amplifiers & Isolated Delta - Sigma Modulators

Implementing high-precision isolated signal transmission of input analog signal
Our isolation amplifier realizes high-precision isolated signal transmission of an input analog signal by including a ΔΣ-type AD converter in addition to the optical coupling isolated signal transmission technology.

Isolators/Solid State Relays / Photocouplers / Photocouplers for High Speed Communication

Compatibility with 3.3-V power supply and low power consumption
In response to the 3.3-V microcomputer power supply voltage, we have introduced a number of high-speed communication photocouplers compatible with both 3.3-V/5-V microcomputer power supply voltages.

Isolators/Solid State Relays / Solid State Relays / Photorelays (MOSFET Output)

Small S-VSON4 packages
S-VSON4 packages have been developed for use in measuring instruments, enabling space-saving packaging.

Documents

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Technical topics

Recommended Motor Control Products
Provide system solutions utilizing high-power electronic technology
Application
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Reference Design

This is a picture of Isolated Gate Drive Circuit for 3-Phase Inverter.
Isolated Gate Drive Circuit for 3-Phase Inverter
In recent years, 3-phase inverters in industrial equipment have become important to achieving a low-carbon society. This is the gate drive circuit with various protection functions which can safely drive the power module used for the 3-phase inverter.Design tips on each portion of the circuit, method of operation, and design information such as circuit diagrams and PCB patterns are available, please use them for your design.
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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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3-Phase Inverter Using SiC MOSFET
This reference design provides design guide, data and other contents of the 3-phase inverter using 1200 V SiC MOSFET. It drives AC 440V motors.
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PCB Photo (example)
3-Phase Multi-Level Inverter using MOSFET
This reference design provides design guide, data and other contents of the 3-Phase Multi-Level Inverter with 5 level output. It uses 150 V MOSFETs to drive AC 200 V Motor.
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1.6 kW T-Type 3-Level PFC Power Supply
1.6 kW T-Type 3-Level PFC Power Supply
This reference design provides design guide, data and other contents of 1.6kW AC-DC converter power supply using T-Type 3-Level power factor correction (PFC) circuit.
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Board photo of 100 W LLC DC-DC Converter
100 W LLC DC-DC Converter
This reference design provides design guide, data and other contents of 100 W LLC DC-DC Converter which uses Zero Volt Switching implemented using LLC resonance.
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Photo of evaluation board of Smart Gate Driver Coupler.
Evaluation Board of Smart Gate Driver Coupler
This reference design provides design guide, data and other contents of the evaluation board of Smart Gate Driver Coupler.
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Photo of 100 W power supply for LED Lighting.
100 W Power Supply for LED Lighting
This reference design provides design guide, data and other contents of the constant current 100 W Power Supply for LED Lighting with PFC and a wide range of input voltage i.e. AC90V to 264V.
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Exterior photo of 1 kW full-bridge DC-DC converter.
1 kW Full-Bridge DC-DC Converter
This reference design provides design guide, data and other contents of 1 kW server power supply using phase shifetd full-bridge DC-DC converter.
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HVAC application of photovoltaic-output photocoupler and MOSFET as replacement for mechanical relay.
Photovoltaic-Output Photocoupler and MOSFET as Replacement for Mechanical Relay
Solid state relay with photovoltaic-output coupler, TLP3906, and MOSFET, TPH1R306PL. Describes design guidance of solid state relay circuit as replacement of mechanical relay.
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Features of 1.2V/100A output DC-DC converter compliant with 48V bus voltage.
1.2V/100A Output DC-DC Converter Compliant with 48V Bus Voltage
This reference design provides specification, block diagram and PCB layout data of 1.2V/100A output isolated DC-DC converter which convert 48V bus voltage to 1.2V directly.
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Features of 300W Isolated DC-DC converter.
300W Isolated DC-DC Converter
This reference design provides specification, block diagram and PCB layout data of 300W isolated DC-DC converter which is small size and suitable for consumer applications.
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Inverter application example of smart gate driver coupler TLP5214A inverter application.
Smart Gate Driver Coupler TLP5214A Inverter Application
This reference design provides example circuits, design guide of built-in functions and thermal design guide for applying TLP5214A to inverter circuit as gate driver.
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Block diagram of 200W AC-DC power supply.
200W AC-DC Power Supply
This reference design provides specification, block diagram and PCB layout data of DC24V/200W AC-DC power supply suitable for consumer applications and embedded power supply.
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Application block diagram of application circuit (current sensing) of the TLP7920 isolation amplifier.
Application Circuit (Current sensing) of the TLP7920 Isolation Amplifier
This reference design provides design guide and example of simulation waveform for phase current detection with optical isolation amplifier for motor control of servo and inverter.
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Application block diagram of application circuit (voltage sensing) of the TLP7920 isolation amplifier.
Application Circuit (Voltage sensing) of the TLP7920 Isolation Amplifier
This reference design provides design guide and example of simulation waveform for bus voltage detection with optical isolation amplifier for motor control of servo and inverter.
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Application block diagram of aplication circuit (current sensing) of the TLP7820 isolation amplifier.
Application Circuit (Current sensing) of the TLP7820 Isolation Amplifier
This reference design provides design guide and example of simulation waveform for phase current detection with optical isolation amplifier for motor control of servo and inverter.
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Application block diagram of application circuit (voltage sensing) of the TLP7820 isolation amplifier.
Application Circuit (Voltage sensing) of the TLP7820 Isolation Amplifier
This reference design provides design guide and example of simulation waveform for bus voltage detection with optical isolation amplifier for motor control of servo and inverter.
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Features of 1.6kW, 80Plus Platinum class, high efficiency server AC-DC power supply .
1.6kW, 80Plus Platinum Class, High efficiency Server AC-DC Power supply
This reference design provides design guide, data and other contents of 1.6kW 80Plus Platinum class power supply using Semi-bridgeless/Isolated phase shift full bridge.
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News / Latest information

24-10-2024

Toshiba Releases Automotive Photorelay with Output Withstand Voltage of 900V, Housed in a Small Package

  • Products/Technology

29-08-2024

Toshiba Releases Automotive Photorelay with Output Withstand Voltage of 900V

  • Products/Technology

29-11-2023

Lineup Expansion of Digital Isolators that Contribute to Stable High-Speed Isolated Data Transmissions in Industrial Applications

  • Products/Technology

17-10-2023

Toshiba Launches Small Photorelay Suitable for High-Frequency Signal Switches in Semiconductor Testers

  • Products/Technology

25-05-2023

Toshiba Releases Small Photorelay with High Speed Turn-On Time that Helps Shorten Test Time for Semiconductor Testers

  • Products/Technology

09-05-2023

Toshiba Releases Digital Isolators that Contribute to Stable High-Speed Isolated Data Transmissions in Industrial Applications

  • Products/Technology
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* TOSLINK™ is a trademark of Toshiba Electronic Devices & Storage Corporation.
* Other company names, product names, and service names may be trademarks of their respective companies.

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