Toshiba Launches Smart Gate Driver Photocoupler with Improved Desaturation Sensing Function

Business Wire India

Toshiba Corporation's (TOKYO:6502) Storage & Electronic Devices Solutions Company announced the launch of"TLP5214A," a new smart gate driver photocoupler for use in driving medium-power IGBTs and power MOSFETs that delivers desaturation sensing characteristics that improve on those offered by the current "TLP5214". Mass production shipments started yesterday.


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Toshiba: "TLP5214A," a smart gate driver photocoupler with improved desaturation sensing function (Photo: Business Wire)

TLP5214A newly integrates such features as desaturation leading edge blanking time, filtering time, and optimization of soft turn-off performance. These contribute to secure execution of applications by suppressing short-time pulse noise during switching and desaturation sensing.


The latest Gartner market report recognizes Toshiba as the leading manufacturer of optocouplers by sales in 2015 and 2016, with 23% of sale-based market share in CY2016. (Source: Gartner "Market Share: Semiconductor Devices and Applications Worldwide 2016" 30 March, 2016)


Toshiba will continue to deliver products that meet the needs of customers by promoting the development of a diverse portfolio of photocouplers and photorelays tailored to market trends.




• Industrial inverters
• Inverters for solar energy
• Servo amplifiers
• Air conditioner inverters

New Features


DESAT leading edge blanking time: 1.1μs (typical)
DESAT filter time: 90ns (typical)

Soft turn-off time (tDESAT(10%))**: 7μs (typical) Current item[1]: 3.5μs (typical)

**Under condition of Cg = 25nF

Main Specifications

(Unless otherwise specified, Ta = -40 to 110℃. All typical values are at Ta = 25℃)

Part number TLP5214A


 Peak output current ±4.0 A (Max.)
 Supply voltage 15 to 30 V
 Supply current 3.8 mA (Max.)
 Threshold input current 6 mA (Max.)


 Propagation delay time 150 ns (Max.)
 Propagation delay skew -80 to 80 ns


 IGBT desaturation detection DESAT threshold voltage: 6.5 V (typ.)
  DESAT leading edge blanking time: 1.1 μs (typ.)
  DESAT filter time: 90 ns (typ.)
 Soft turn-off DESAT sense to 10% delay time: 7 μs (typ.) *Cg = 25 nF
  DESAT sense to 10% delay time: 3.5 μs (typ.) *Cg = 10 nF
 Miller clamp (off) Clamp pin threshold voltage: 2.5 V (typ.)
 Undervoltage lockout (UVLO) VUVLO+: 11.6 V (typ.)
  VUVLO: 10.3 V (typ.)

(@Ta = 25 ℃)

 Isolation voltage 5000 Vrms (Min.)
 Clearance distance 8.0 mm (Min.)
 Creepage distance 8.0 mm (Min.)
 Isolation thickness 0.4 mm (Min.)

[1] Current item: TLP5214


Follow the link below for more on the new product and Toshiba's photocoupler line-up.


Customer Inquiries:
Optoelectronic Device Sales & Marketing Dept.
Tel: +81-3-3457-3431


Information in this document, including product prices and specifications, content of services and contact information, is correct on the date of the announcement but is subject to change without prior notice.


About Toshiba
Toshiba Corporation, a Fortune Global 500 company, channels world-class capabilities in advanced electronic and electrical product and systems into three focus business fields: Energy that sustains everyday life, that is cleaner and safer; Infrastructure that sustains quality of life; and Storage that sustains the advanced information society. Guided by the principles of The Basic Commitment of the Toshiba Group, "Committed to People, Committed to the Future", Toshiba promotes global operations and is contributing to the realization of a world where generations to come can live better lives.


Founded in Tokyo in 1875, today's Toshiba is at the heart of a global network of 550 consolidated companies employing 188,000 people worldwide, with annual sales surpassing 5.6 trillion yen (US$50 billion). (As of March 31, 2016.)
To find out more about Toshiba, visit






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