Power

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Dual photovoltaic MOSFET delivers open circuit voltage of 12.2V

Consisting of an LED that is optically coupled to a monolithic PV array, the FDA217 is the latest dual photovoltaic MOSFET driver from IXYS. Each array can generate an open circuit voltage of 12.2V and short circuit current of 9.1uA with a forward LED current of 10mA.
9th January 2014

Lower cost variants of popular 1W DC/DC converters

Lower cost variants of popular 1W DC/DC converters
Lower cost versions of the most popular converters in RECOM's industrial products portfolio, the company has announced seven cost-effective DC/DC converters designated the E-series. Operating over a temperature range from -40 to +85°C, the 1W converters are suitable for isolation of interfaces or bus systems.
8th January 2014

MOSFET increases efficiency in mobile devices

MOSFET increases efficiency in mobile devices
Designed to increase efficiency in mobile computing devices, the -20V Siliconix Si7157DP signals an expansion of Vishay's TrenchFET p-channel Gen III power MOSFET portfolio. Offering on-resistance of 0.0016Ω and 0.0020Ω at -10 V and -4.5 V ratings, respectively, the MOSFET is optimized for load and battery switches in power management applications for notebook computers.
8th January 2014


Isolated gate driver maximises SiC switch benefits

Isolated gate driver maximises SiC switch benefits
Driving high efficiency Silicon Carbide (SiC) and traditional silicon power switches, HADES is a 2nd generation isolated gate driver chipset. CISSOID's latest offering aims to maximise the benefits of the newest Silicon Carbide (SiC) power switches. To accomplish this, increased switching frequencies translate into dramatic reduction of the size & weight of the passive & magnetic components; while faster switching times lead to increased energy efficiency of the converters or motor drivers.  
8th January 2014

Adaptive-Dead-Time circuitry maximises MOSFET power efficiency

Featuring Adaptive-Dead-Time and Shoot-Through protection, the MIC4605 is an 85V Half Bridge MOSFET driver from Micrel. By actively monitoring the Half Bridge, the Adaptive-Dead-Time circuitry can minimise the time between high and low side MOSFET transitions to increase the power efficiency, while the Anti-Shoot-Through circuitry prevents erroneous inputs and noise from turning both MOSFETs on at the same time.
8th January 2014

Transformer rectifiers deliver conversion efficiencies of up to 96%

Benefiting from added technical expertise following their aquisition of Drake Power, Powerstax have announced additional offerings to their transformer rectifier portfolio. The Powerstax transformer rectifiers support conversion efficiencies reaching 96% and typical power factors of 0.85, or as much as 0.99 if extensive power factor correction is applied.    
8th January 2014

AC-DC power supply series expands with 130W addition

AC-DC power supply series expands with 130W addition
Packaged in a compact 50.8 x 101.6 x 31.8 mm (2 x 4 x 1.25 inch) open-frame format, the single output ECS130 signals the latest addition to XP Power's ECS series of AC-DC power supplies. The series comprises 6 single output models providing the popular nominal output voltages from +12 to +48 VDC. The extra wide input accommodates the full universal voltage range from 80 – 264 VAC.
7th January 2014

Harmonic filters designed for “out of reach” locations

Harmonic filters designed for “out of reach” locations
Designed to meet IEEE-519, the PB-W (Wall-Mount) Series of three-wire and four-wire active (3x200VAC to 3x480VAC) harmonic filter modular systems has been announced by Schaefer. The systems are scalable, with the wall-mount versions designed for mounting in small and confined areas, as well as required “out of reach” locations.
7th January 2014

Adapter boasts thinnest and smallest 45W design

Adapter boasts thinnest and smallest 45W design
Allowing for less than one-half the overall volume and claiming to be 50% thinner than conventional 45W adapters, Dialog's 45W power adapter has been released alongside a 12W travel-size power adapter. Designed for use with Ultrabooks, the 12W design enables the first compact, pocket-size adapters for an Ultrabook at just 68mm x 68mm x 17mm thick, with a typical charge time under five hours.  
7th January 2014

Diode bridge for universal PoE applications up to 51W

The PD70224 IdealPoE diode bridge is a dual pack of MOSFET-based full-bridge rectifiers from Microsemi. Integrating low-RDS 0.16Ohm N-channel MOSFETS for much higher overall efficiency and higher output power, this power solution is suitable for use in powered devices for PoE and PoH (Power-over-HDBaseT) applications in the communications and enterprise markets, including wireless LAN access points, small cells and small switches/routers.
7th January 2014


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