Power Electronics / Power Management


Latest Articles

12 V battery charger
21 August 2013, Current Automation
The MXS 5.0 from CTEK is a versatile new battery charger that can charge 12 V lead-acid batteries with 1,2 Ah capacity up to big batteries of 110 Ah. It can also recharge batteries with gel chemistry. The ...

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Multi-mode power management chip
21 August 2013, EBV Electrolink
Texas Instruments has introduced a multi-mode power management unit (PMU) that enables ultra-low, total system quiescent current as low as 100 nA, which minimises power consumption in battery-powered, ...

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Ideal diode bridge controller
21 August 2013, Altron Arrow
Linear Technology has unveiled the LT4320, an ideal diode bridge controller for 9 V to 72 V systems that replaces each of the four diodes in a full-wave bridge rectifier with a low-loss N-channel MOSFET ...

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Uninterruptible power supply
21 August 2013
A new high-frequency, 15 – 120 kVA, 3-phase (input and output) uninterruptible power supply (UPS) system, targeted at the protection of critical operations and processes in departmental, distributed office ...

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Employing digital isolation in smart energy meters
21 August 2013
DC tolerant current transformers have long been used to sense AC currents in smart energy meters, but they have drawbacks and can be expensive. For some applications, resistive shunts make better current ...

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High-voltage regulator transistors
21 August 2013
The ZXTR2000 family of high-voltage regulators from Diodes Incorporated monolithically integrates a transistor, Zener diode and resistor into a standard SOT89 package. Principal applications for the ...

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PFC boost IC
21 August 2013
International Rectifier announced the introduction of the IRS2505LTRPBF, a power factor correction (PFC) boost IC in a 5-pin SOT23 package for switch mode power supply (SMPS), LED driver, fluorescent ...

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Triple-output regulators
21 August 2013, CST Electronics
Micrel’s MIC23450 and MIC23451 are triple-output, synchronous buck regulators designed with the company’s ‘HyperLight Load’ technology. The MIC23450 delivers 2 A per output and the MIC23451 provides 1 ...

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Constant-current LED driver
21 August 2013, Altron Arrow
With the new RACD07, Recom has added a new low-cost, constant-current LED driver to its portfolio. Thanks to its universal input range of 90 – 295 V a.c., it is suitable for worldwide use, and supplies ...

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Flyback controller
7 August 2013, EBV Electrolink
Texas Instruments has developed a flyback controller that exceeds Energy Star 5 standby power requirements for 10–65 W AC/DC adapters used with notebooks, motor control, smart meters, micro-inverters ...

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400 Watt power supplies
7 August 2013, Vepac Electronics
XP Power announced the SDL400 series of 400 Watt single- and dual-output AC-DC power supplies. These compact units, suitable for 1U applications, are available in four mechanical formats: U channel, U ...

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Ultrafast recovery rectifiers
7 August 2013, EBV Electrolink
Vishay has introduced 10 solderable FRED Pt Hyperfast and Ultrafast recovery rectifiers that include the industry’s first 3 A devices in the SMA package, 3 A and 4 A devices in the SMB package, and 4 ...

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Triac dimmer for LED lighting
7 August 2013, Altron Arrow
Modern lighting solutions offer considerably more than just a means to switch luminaires on and off. Continuously adjustable brightness creates atmosphere. Due to the rise of LED lighting, the consumed ...

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Schottky diode with high power density
7 August 2013
With the introduction of its first wafer level chip scale packaged (WLCSP) Schottky, Diodes Incorporated is providing an alternative to miniature DFN0603 devices that offers twice the power density for ...

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DIN-rail power supplies
7 August 2013, Current Automation
Mean Well’s new SDR-75 series of 75 W DIN-rail power supplies has a slim design of 32 mm in width, saving space on the rail and making it 41% smaller than its predecessor model DR-75. It also boosts efficiency ...

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USB charger adaptor ­emulators
7 August 2013, CST Electronics
The MAX14631/MAX14633 are USB charger adaptor emulators with automatic host-charger identification circuitry for USB-dedicated chargers. They allow USB wall adaptors, travel chargers and other dedicated ...

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Li-Ion charge controllers
7 August 2013, EBV Electrolink
Texas Instruments introduced two power management chipsets with patented new MaxLife technology which claims to allow consumers to charge single-cell Li-Ion batteries faster and experience longer battery ...

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650 V power MOSFETs
21 August 2013, Electrocomp, EBV Electrolink
Infineon’s new 650 V CoolMOS C7 series is designed to deliver high performance to hard-switching topologies in power factor correction (PFC) and similar applications. These new devices are the successors ...

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150 W power supply
24 July 2013, Current Automation
Mean Well extended its RSP family by introducing the RSP-150 series, a new generation of 150 W AC-DC enclosed type switching power supply with single output. Compared to the prior-generation SP-150 series, ...

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N-channel power MOSFETs
24 July 2013, EBV Electrolink
Vishay has added new 650 V power MOSFETs to its E Series of devices. These 22 new devices in eight different packages offer an extended on-resistance range from 30 m to 600 m at 10 V and broaden the series’ ...

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