Toshiba Launches Smart Gate Driver Photocoupler with Improved Desaturation Sensing Function

TOKYO — (BUSINESS WIRE) — May 18, 2017Toshiba Corporation's (TOKYO:6502) Storage & Electronic Devices Solutions Company today 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 start today.

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Toshiba: "TLP5214A," a smart gate driver photocoupler with improved desaturation sensing function (P ...

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.

Applications

• IGBT/MOSFET drive
• 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

Electrical
characteristics

  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.)

Switching
characteristics

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

Protection
function

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) V UVLO + : 11.6 V (typ.)
V UVLO - : 10.3 V (typ.)

Isolation
characteristics
(@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.)
 

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