Toshiba's 50Mbps photocouplers server high-speed comms


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TLP2767 photocoupler

Toshiba Electronics Europe has announced the launch of two new industry-leading photocouplers, TLP2767 and TLP2367, for high-speed communications at data rates up to 50Mbps. TLP2767 is the first 50Mbps product in the industry to achieve both a creepage and clearance distance of 8mm and isolation thickness of 0.4mm for reinforced isolation. It is housed in an SO6L package and guarantees isolation voltage of 5000Vrms (min). TLP2367 is housed in a 5pin small SO6 package, guaranteeing creepage and clearance distance of 5mm (min) and isolation voltage of 3750Vrms (min.). Both packages are 2.3mm (max) low height packages and meet international safety standards including UL1577 and EN60747-5-5.

The new photocouplers guarantee a propagation delay time of 20ns (max), pulse width distortion of 8ns (max) and propagation delay skew of 10ns (max). They can be used to reduce the dead time of various interfaces including inverters, which can contribute to improving the power efficiency of systems.

TLP2767 and TLP2367 utilise on the input side Toshiba's original high output infrared LEDs achieving high output power. This reduces the threshold input current by approximately 20%, compared with Toshiba’s older TLP117 product. On the output side, a photo detector IC fabricated with a CMOS process reduces the supply current by approximately 50%, compared with Toshiba’s TLP117. Both photocoupler can contribute to lowering the operation voltage of systems with guaranteed supply voltage of 2.7V to 5.5V, at temperatures up to 125 degrees Celsius. Applications include programmable logic controllers (PLC), I/O interface, photovoltaic (PV) inverters and FA inverters.

Toshiba Electronics Europe