Power

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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

UK's Smarter Network Storage facility to be trialled

UK's Smarter Network Storage facility to be trialled
Amber Rudd MP, Department of Energy and Climate Change, has welcomed the start of trials at the largest electricity storage facility of its type in Europe. After extensive testing of the giant battery, known as the Smarter Network Storage facility in Leighton Buzzard, Bedfordshire, it will now be trialled for two years by UK Power Networks, which distributes electricity in South East England.
17th December 2014

Harnessing the advanced features of GaNPX packaging

GaN Systems has announced an application note for design engineers which sets out thermal design guidelines and PCB layout choices for its enhancement mode power switching transistors, which are supplied in its proprietary GaNPX device packaging. These are the first discrete power devices to be embedded in a laminate construction (in which conventional packaging techniques, such as clips, wire bonds and moulding compounds have been replaced with galvanic processes).
16th December 2014

Efficient power modules feature wide input voltage range

Efficient power modules feature wide input voltage range
Ericsson has introduced the PKB5000W series of open-frame isolated 120W eighth-brick DC/DC power modules that offer high current output and high efficiency. Importantly, the PKB5000W module features an ultra-wide input range of 18 to 75VDC, which means that the device is also suitable for 24 or 48V telecomms.
16th December 2014

IGBTs & IPMs have high voltage capacities & prevent latch up

IGBTs & IPMs have high voltage capacities & prevent latch up
Designed for power-efficient motor driving and inverter applications, the Intelligent Power Module (IPM) series has been released by ROHM Semiconductor. The series consists of IGBT based modules optimised for low or high speed operation, and MOSFET based IPMs which integrate the company’s Low Ron SuperJunction MOSFET, PrestoMOS. 10,15 and 20A versions of 600V IGBTs/IPMs are currently available, and 30A versions under development.
16th December 2014


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