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Toshiba Introduces New Series of Gate Drive Photocouplers

March 1, 2017

Feature Low-Input Current Drive and Rail-to-Rail Output in a Low-Height, Wide Creepage Package

Toshiba S06L

IRVINE, Calif., --- Toshiba America Electronic Components, Inc. (TAEC)* today announced the launch of a series of low-input current drive, rail-to-rail output, gate drive photocouplers: the TLP5771, TLP5772 and TLP5774. A threshold input current of 2mA (max), which is half of Toshiba’s existing products[1], enables the new photocouplers to support bufferless direct drive of low- to medium-power IGBTs and MOSFETs by microcontrollers. The new parts are available in three levels of peak output currents: 1A, 2.5A and 4A.

The TLP5771, TLP5772 and TLP5774 were designed to meet a wide range of user requirements for applications including photovoltaic power conditioning systems, AC drives, compact motor drivers, industrial sewing machines, and industrial inverters. This series of Toshiba’s IGBT/MOSFET-drive photocouplers provide a common-mode rejection (CMR) of 35kV/µs (min), making them suited to industrial applications that will be installed in electrically noisy environments.

Featuring rail-to-rail output, the new photocouplers help to reduce the power loss of both the photocoupler and the IGBT during switching, and also reduce the operation voltage to 10V (min) as compared to the 15V (min) of Toshiba’s existing products1. This can contribute to higher system efficiency. Additionally, a low-height (2.3mm, max) SO6L package allows the new photocouplers to contribute to the development of thinner, smaller systems.

Other features include:

  • Integrated infrared LED
  • High operating temperature rating: Topr max=110°C
  • Safety standard approved: UL 1577/cUL (CSA Component Acceptance Service No. 5A); EN 60747-5-5; EN 60065; EN 60950-; CQC (China Quality Certification Center)

Main Specifications

Note: (Isolation Voltage and Common-mode Transient Immunity @Ta=25°C, Other Characteristics @Ta= -40°C to 110°C)

Part Number







Absolute maximum ratings

Peak output current  IOP (A)




Operating temperature range Topr (°C)

-40 to 110

Operating supply voltage VCC  (V)

10 to 30

Threshold input current IFLH max (mA)


Supply current ICCH, ICCL max (mA)


Propagation delay time  tpHL, tpLH max (ns)


Propagation delay skew  tpsk max (ns)


Rail-to-rail output


UVLO function


Creepage and clearance distances min (mm)


Isolation voltage  BVS min (Vrms)


Common-mode transient immunity CMH, CML min (kV/μs)


Power devices to adapt

IGBT (up to 20 A) and power MOSFET

IGBT (up to 80 A) and power MOSFET

IGBT (up to 100 A) and power MOSFET

Pricing and Availability

Toshiba’s new photocouplers are now shipping. For more details, samples and pricing information, please contact your local Toshiba Sales Office.

*About TAEC

Through proven commitment, lasting relationships and advanced, reliable electronic components, Toshiba enables its customers to create market-leading designs. Toshiba is the heartbeat within product breakthroughs from OEMs, ODMs, CMs, VARs, distributors and fabless chip companies worldwide.  A committed electronic components leader, Toshiba designs and manufactures high-quality flash memory-based storage solutions, solid state drives (SSDs), hard disk drives (HDDs), solid state hybrid drives (SSHDs), discrete devices, custom SoCs/ASICs, imaging products, microcontrollers, wireless components, mobile peripheral devices, advanced materials and medical tubes that make possible today’s leading smartphones, tablets, cameras, medical devices, automotive electronics, industrial applications, enterprise solutions and more.

Toshiba America Electronic Components, Inc. is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba Corporation, Japan’s largest semiconductor, solid state drive and hard disk drive manufacturer and the world’s seventh largest semiconductor manufacturer (Gartner, 2015 Worldwide Semiconductor Revenue, January, 2016). Founded in Tokyo in 1875, Toshiba is at the heart of a global network of over 550 consolidated companies employing over 188,000 people worldwide (as of March 31, 2016). Visit Toshiba's web site at

1Toshiba’s existing products: TLP5751, TLP5752 and TLP5754.

Information in this press release, including product pricing and specifications, content of services and contact information, is current and believed to be accurate on the date of the announcement, but is subject to change without prior notice. Technical and application information contained here is subject to the most recent applicable Toshiba product specifications.

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