Power

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Are we ready for untethered charging?

Are we ready for untethered charging?
  The promise of truly untethered charging may be nearer than we think, allowing devices to recharge over greater distances, as Philip Ling discovers.
23rd December 2014

Brushless motor control circuit for easy integration

Brushless motor control circuit for easy integration
The A4963 is a three-phase, sensorless, BrushLess DC (BLDC) motor controller for use with external complementary P-channel and N-channel power MOSFETs. The A4963 can be used as a stand-alone controller communicating directly with an ECU or it can be used in a close coupled system with a local MCU.
22nd December 2014

Harmonic filter range ensures stable power quality

Harmonic filter range ensures stable power quality
2014 has seen record levels of applications in which CP Automation's range of harmonic filters have been required, according to the company. The number and capacity of drives used in plant applications is increasing, and rising levels of harmonics are beginning to play havoc in industry, the most common problems including extreme stress on the electrical network, deterioration of the supply voltage quality and damage to equipment.
22nd December 2014


Power supplies' metal enclosure enhances flexibility

Power supplies' metal enclosure enhances flexibility
A series of 600W 12-54VDC output power supplies, with a universal input of 90–264VAC, has been released by Power Sources Unlimited, expanding its TRACO Power portfolio. Offering an efficiency of up to 93%, the TXH 600 power supplies are packaged in a metal enclosure designed for a wide range of cost critical applications. The devices are equipped with screw terminal blocks, making them easy to install.
22nd December 2014

µModule regulator fits into 0.5cm² on a double-sided PCB

µModule regulator fits into 0.5cm² on a double-sided PCB
A 5A, 20VIN step-down µModule regulator in a 6.25x6.25x 5.01mm BGA package has been released by Linear Technology. With a few passive components, the LTM4625 fits into 0.5cm² on a double-sided PCB. The regulator incorporates the DC/DC controller, power switches, inductor and compensation components in a single package. 
19th December 2014

Precision CMOS op amps deliver zero drift operation

Precision CMOS op amps deliver zero drift operation
Providing zero drift operation and claimed industry leading quiescent current for front-end amplifier circuits and power management designs, ON Semiconductor has announced a family of affordable, precision CMOS op amps. Enhancing the accuracy of motor control feedback and power supply control loops, the NCS325 and NCS333 op amps are suited for industrial, white goods, telecomms, wearables, IoT, test equipment and instrumentation applications.
18th December 2014

Autoranging power supplies offer greater flexibility

Autoranging power supplies offer greater flexibility
Further expanding the company's multi-range programmable DC power supply offerings, B&K Precision has announced the 9200 series. Including four 200-600W models, the series can deliver power in any combination of the rated voltage and current up to the maximum output power of the supply. With voltage and current ranges up to 150V and 25A, these programmable DC power supplies are suitable for electronics manufacturing, R&D, service and repair and education.
18th December 2014

Medical power supplies feature BF rated outputs

Medical power supplies feature BF rated outputs
A series of medical power supplies, which provide 200W of power and feature both BF rated outputs and Class I and II AC grounding schemes in a 76.20x127mm footprint, has been released by Power Partners. Single output voltage models provide 12, 19, or 24VDC and are augmented by an optional +5VDC standby output. Remote on/off is also optional. 
18th December 2014

DC/DC converters integrate a PMBus compatible interface

DC/DC converters integrate a PMBus compatible interface
Featuring a PMBus compatible digital interface, the DRQ family of DC/DC converters has been released by Murata. The company’s family consists of the DRQ-12/42-D48, a 500W converter, and the DRQ-12/50-L48, a 600W converter. Based on a 32-bit ARM7 processor, the devices are packaged in the industry standard quarter-brick format which incorporates an ABC pinout for PMBus communications. 
18th December 2014

PWM controllers designed to eliminate no-load losses

PWM controllers designed to eliminate no-load losses
Optimised for use in offline AC/DC converters in portable products, consumer electronics and domestic appliances, Diodes Incorporated has introduced a family of PWM controllers. The AP3125 current-mode devices have been designed to improve operating efficiency and eliminate no-load losses.
17th December 2014


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