Power Electronics / Power Management


Latest Articles

DIN-rail power supplies
16 February 2011, Current Automation
Mean Well has introduced a new, 240 W AC/DC power supply series for mounting onto DIN rail. With a 180 to 550 V a.c. input range, the WDR-240 can be used in general power system with single-phase 230 ...

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AC/DC LED drivers
16 February 2011, Brabek
RECOM has developed a new series of constant current LED drivers in the power range of 12, 20 and 60 Watts. The new devices feature universal AC inputs, power factor correction and UL-8750 certification. The ...

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Dual Schottky diodes
16 February 2011, MB Silicon Systems
Central Semiconductor’s CMRD6263DO consists of two isolated 70 V, 15 mA Schottky diodes with opposing polarity. It has a low VF of 395 mV and a fast switching speed of less than 5 ns. The device can ...

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Single-output power supplies
2 February 2011, Current Automation
Mean Well introduced its new generation of 210 W and 350 W single-output, enclosed type power supply – NES-200, NES-350, SE-200 and SE-350 series – to replace its existing models - the S-201(200 W), S-210 ...

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Four-channel MOSFET drivers
2 February 2011, Communica
Supertex recently débuted the MD1820, MD1821 and MD1822, a family of four-channel, high-voltage, high-speed MOSFET driver ICs. They are designed to drive complementary P- and N-channel MOSFETs in applications ...

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High-current power supplies
2 February 2011, MANTECH
Manson’s SPS-8250 and SPS-9250 are high-power switching mode power supplies suitable for a wide range of uses, including radio equipment and car stereo work. The 9250 features a 3-digit LED display while ...

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AC-DC converter with PFC
2 February 2011
Vicor has introduced the new PFM VI Brick module, an isolated AC-DC converter with power factor correction (PFC). With its adaptive cell architecture enabling consistently high efficiency over worldwide ...

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Stepper motor drivers
2 February 2011
ON Semiconductor has announced two new highly integrated driver ICs to drive high-current stepper motors. The new AMIS-30532 and AMIS-30542 micro-stepping motor drivers have high current capabilities ...

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High-density PMICs for POL
2 February 2011, Altron Arrow
Texas Instruments has introduced two new power management integrated circuits (PMICs) for point-of-load (POL) designs. The TPS82671 and TPS84620 integrated power solutions ease design in portable electronics, ...

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Designing power supplies using fractional turn transformers
2 February 2011, Vepac Electronics
Fractional turn transformers are not a new idea but it is not a concept that appears to have been applied to AC/DC power supplies in the past. For multiple-output power supplies, in particular, it offers ...

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Medical power supplies
2 February 2011, Accutronics
TDK-Lambda has extended its successful range of EFE digitally controlled medical power supplies with the introduction of the 400 W, EFE400M medical range. Combining 4 kV a.c. reinforced input-to-output ...

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Buck converters
2 February 2011, CST Electronics
Maxim’s new MAX16903 and MAX16904 are automotive-grade, synchronous step-down converters that consume only 25 μA at no-load and deliver 1 A and 600 mA, respectively. The 2,1 MHz devices are optimised ...

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Flyback controller
2 February 2011, EBV Electrolink
The UCC24610 ‘Green Rectifier’ from Texas Instruments is a new power management controller and driver for standard and logic-level N-channel MOSFETs used for low-voltage, secondary-side synchronous rectification. ...

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A two-stage approach to DC-DC converters with super-wide input range
2 February 2011
One of the parameters of an isolated DC-DC converter is the range of the input voltage over which the converter can operate. For the industry-standard ‘bricks’ available for the nominal 48 V input ...

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Midspan PoE injector
2 February 2011, Altron Arrow
Phihong has expanded its passive power-over-Ethernet (PoE) injector lineup to include a low-cost 60 W midspan. Passive power injectors are for dedicated situations where there is no chance that a non-PoE ...

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Dual-output LDOs
2 February 2011
Characterised by low dropout voltage and low quiescent current, the latest linear regulators from Diodes Incorporated suit low-power handheld product design where extending battery life is a key design ...

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150 W LED power supply
2 February 2011, Current Automation
New from Mean Well is a 150 W AC/DC U-bracket type LED power supply with constant-voltage design and 90–295 V a.c. input range. Built-in active power factor correction enables it to meet the norms of ...

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100 W and 150 W PCB power supplies
2 February 2011, Vepac Electronics
The new devices combine high efficiency even at low load conditions, with a wide operating temperature range, small size and 10-year electrolytic capacitor life. Boasting features such as active power ...

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Lab power supply
2 February 2011, MANTECH
The SSP-7080 from Manson is a standalone, wide-range benchtop laboratory power supply with dynamic power factor correction. It has three selectable voltage/current ranges with fine adjustment: 0–16 V ...

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Filters for Vicor's VI BRICK
2 February 2011
Newly released by Vicor is the MIL-COTS VI BRICK Filter, available as a standalone filter or integrated with the PRM regulator module. The integrated filter is an efficient (~95%) non-isolated regulator ...

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