Optocouplers

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Compact photorelays suit high performance switching

Compact photorelays suit high performance switching
Two halogen-free photorelays have been introduced by Toshiba, offering minimum isolation voltage of 3750VRMS. The TLP172AM and TLP172GM are housed in 4-pin SO6 packages that can operate at a maximum temperature of +110°C. Both products can be used to replace mechanical relays and are suited to designs demanding high-performance switching, electrical isolation and extended temperature operation.
7th November 2016

Photorelays with 5A drive current for replacing mechanical relays

Photorelays with 5A drive current for replacing mechanical relays
Three compact DIP8 package products have been added by Toshiba Electronics Europe, to its line-up of photorelays that can replace mechanical relays in industrial applications. The devices - which include an industry-leading 5A large drive current  – will suit a variety of applications ranging from HVAC systems to inverters, PLCs and Automated Test Equipment (ATE).
18th October 2016

Water and light flow inspire optical coupler sensor

Water and light flow inspire optical coupler sensor
When a river narrows or two rivers run into each other and merge, the water flow's speed increases and it becomes much stronger. Water flow and light flow are similar in many ways, and this inspired a group of researchers from Nanyang Technological University in Singapore and the University of Nebraska-Lincoln to explore whether light flow within a waveguide—a linear structure that transports electromagnetic waves between endpoints—behaves in the same manner.
7th September 2016


Modulator eliminates 75% of shunt resistor’s power losses

Modulator eliminates 75% of shunt resistor’s power losses
A developer and global supplier of a broad range of analogue and digital semiconductor connectivity solutions, Broadcom, has announced a new optically isolated sigma-delta modulator device, the Avago ACPL-C799, designed for a wide range of industrial applications including servo drives and motors.
1st September 2016

Optocouplers support satellites, spacecraft, and planetary rovers

Optocouplers support satellites, spacecraft, and planetary rovers
A global provider of engineered electronics for performance critical applications, TT Electronics has announced the market introduction of its HCC100x series of radiation tolerant optocouplers. The devices are ideal for the isolation of electrical circuits within high-radiation deep spaceflight applications, including satellites, launch vehicles, space craft, and planetary rovers.
16th August 2016

High accuracy photocouplers integrate delta sigma ADC

High accuracy photocouplers integrate delta sigma ADC
Toshiba Electronics Europe has announced two digital output isolation amplifiers for current and voltage sensing in power converters. The TLP7830 and TLP7930 achieve high accuracy through the inclusion of a delta sigma ADC. A choice of two package types are available: TLP7930 is supplied in an industry-standard DIP8 package and the TLP7830 is available in a compact SO8L package, which takes up 30% less board space and features a 40% lower profile.
6th July 2016

5A gate drive optocouplers features unmatched noise immunity

Broadcom Limited has announced a new generation of 5A gate drive optocoupler devices, the ACPL-352J and ACNW3430, designed for a wide range of industrial applications including motor drives and power inverters. The devices feature superb common mode transient immunity (CMTI) of up to 100kV/μs, preventing erroneous gate driver failures in noisy environments. Both the ACPL-352J and ACNW3430 support up to 5A rail-torail output current, which eliminates the need of an output buffer circuit, enabling designers to implement cost-effective and power efficient gate driver solutions.
10th May 2016

Photocouplers enable 5Mb/s communication from 6.78mW

Photocouplers enable 5Mb/s communication from 6.78mW
  Featuring a power consumption of just 6.78mW (54% lower than a conventional product, such as the TLP2355), Toshiba Electronics Europe has launched two photocouplers for 5Mb/s communication applications.
20th April 2016

Transistor photocouplers feature low input current

Transistor photocouplers feature low input current
Expanding its portfolio of low input current transistor photocouplers, Toshiba Electronics Europe has introduced a a pair of 4-channel versions. The TLP292-4 and TLP293-4 operate over a wide temperature range from -55 to +125˚C and can be used for a variety of high-density surface mount applications including PLCs, switching power supplies and simplex or multiplex data transmissions.
4th February 2016

Photocouplers support signal transfer up to 100kb/s

Photocouplers support signal transfer up to 100kb/s
Designed for comms applications in factory automation equipment and home appliances, Toshiba Electronics Europe has announced the TLP2703 photocoupler. The device supports signal transfer speeds of up to 100kb/s, can be driven by a low input current of just 1mA and is price competitive with 1Mb/s class IC photocouplers.
28th January 2016


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