Toshiba Releases Photovoltaic-output Photocoupler for Isolated SOLID-STATE Relays

Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched “TLP3910”, a photovoltaic-output photocoupler (“photovoltaic coupler”) housed in a thin SO6L package, suitable for driving the gates of high-voltage power MOSFETs used as isolated solid-state relay (SSR) function.

Toshiba Releases Photovoltaic-output Photocoupler for Isolated SOLID-STATE Relays

Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched “TLP3910”, a photovoltaic-output photocoupler (“photovoltaic coupler”) housed in a thin SO6L package, suitable for driving the gates of high-voltage power MOSFETs used as isolated solid-state relay (SSR) function.

Driving a high-voltage power MOSFET with a gate voltage of 10V or higher, requires connecting two of Toshiba’s current product, the TLP3906, in series, as it has a low open voltage. In contrast, the new TLP3910 has a minimum open voltage of 14V, double that of TLP3906, and only one is required to drive the gate of a high-voltage power MOSFET. This contributes to part-count reduction.

TLP3910 is Toshiba’s first photovoltaic coupler to feature a minimum isolation voltage of 5000Vrms while maintaining the basic performance of the current products, TLP191B and TLP3906. This allows use in industrial equipment driven by AC400V systems. The scope of application has also been extended by its high-temperature operation of 125°C.

Applications:

  • Industrial equipment: relay contact output for I/O of programmable logic controllers and the like; solenoid driver control parts of braking systems; main power supply circuits/inrush current protection circuits; battery voltage monitoring parts for battery management systems (BMS); ground fault detection parts.
  • Measuring equipment: power supply line switching; measuring line switching

Features:

  • High open voltage: VOC=14V (min)
  • Short-circuit current: ISC=12μA (min) @IF=10mA, (C20 rank product) ISC=20μA (min) @IF=10mA
  • High isolation voltage: BVS=5000Vrms (min)
  • High operation temperature rating: Topr (max)=125°C
  • Creepage (Space Distance): 8mm (min)

Learn more: https://bit.ly/Toshiba_photocoupler

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