Power Electronics / Power Management


Latest Articles

Remote controller for sine wave inverters
10 November 2010, Current Automation
Mean Well launched three remote controllers to fulfil the long distance control requirement of the company’s DC/AC true sine wave inverters. With 94V-0 rated plastic case, these control units can effectively ...

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PMIC with configurable startup sequences
10 November 2010, NuVision Electronics, ASIC Design Services
The AS3607 from austriamicrosystems is a highly integrated power management IC (PMIC) featuring a high level of startup sequence programmability, making it suitable for portable navigation devices, portable ...

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DC-DC converter selection: fixed or variable frequency?
27 October 2010
Some power applications have requirements that are best satisfied by a specific DC-DC converter topology. Although full consideration of the large number of topologies available could be a daunting ...

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Industrial-grade 30 V MOSFETs
27 October 2010
International Rectifier has introduced a series of industrial-qualified 30 V TO-220 HEXFET power MOSFETs with very low gate charge for applications including uninterruptible power supply (UPS) inverters, ...

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DIN-rail DC-DC converters
27 October 2010, Accutronics, Vepac Electronics
To satisfy demand for low-power DC-DC converters that can be rapidly mounted onto DIN rails, TDK-Lambda has introduced the DPX series. Available with both 2:1 and 4:1 input voltage ranges covering 9,5 ...

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Power supplies for LED displays
27 October 2010, Current Automation
Mean Well’s new HSP-250 series of 125–250 W AC/DC power supplies are designed specifically for LED display applications. The enclosed type modules features active power factor correction and provide ...

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LDOs power precision analog circuits
27 October 2010, Altron Arrow
New from Texas Instruments are two -36 V low dropout regulators (LDO). The TPS7A30, paired with the positive voltage TPS7A49, provides designers with a total solution for powering precision analog applications. ...

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Hot swap power supplies
27 October 2010, Accutronics, Vepac Electronics
TDK-Lambda’s new HFE1600 series is a 1U high, single output AC-DC hot swap front end power supply with a power density of 1,54 W cm³. The 1,6 kW units are intended for equipment requiring reliable 12 ...

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Online IGBT selection tool
27 October 2010
International Rectifier has announced the availability of a new online IGBT (insulated gate bipolar transistor) selection tool that enables design optimisation in a wide range of applications including ...

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Dual-channel 65 V buck controller
27 October 2010, Altron Arrow
National Semiconductor has introduced the LM5119, a high-voltage, dual-channel, dual-phase, synchronous buck controller with emulated current-mode (ECM) control. The device enables regulation of single ...

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Single-port PSE controller
27 October 2010, CST Electronics
Maxim’s MAX5971B is a single-port power over Ethernet (PoE) controller designed for use in IEEE 802.3af/at-compliant power-sourcing equipment (PSE). The device provides powered device (PD) discovery, ...

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Switching regulators
13 October 2010, MANTECH
Mornsun has released two new series of switching regulators with high efficiencies and requiring no heatsinking. The K78XX-1500 series is a 1,5 A switched mode regulator boasting low power dissipation. ...

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N- and P-channel MOSFETs
13 October 2010, MB Silicon Systems
Central Semiconductor’s new CEDM7001 (N-channel) and CEDM8001 (P-channel) are 20 V, 100 mA MOSFETs packaged in the miniature, low-profile SOT-883L surface mount case. These devices have a rated continuous ...

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60 W DC-DC converters
13 October 2010, Vepac Electronics, Accutronics
TDK-Lambda has introduced a 60 W model into its PXF family of DC-DC converters. The new unit operates from a 2:1 input and is suitable for datacom, telecom, instrumentation and test and measurement applications. ...

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Low-noise step-down converter
13 October 2010, Hi-Q Electronics
Advanced Analogic Technologies’ AAT6101 μSwitcher is a step-down converter which delivers up to 400 mA to support an adjustable 0,6 V to VIN output from 2,7 V to 5,5 V input supply. It maintains a low ...

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Synchronous buck controller
29 September 2010, Altron Arrow
National Semiconductor has released a new synchronous voltage-mode buck controller that drives a variety of high-current point-of-load applications in printers, telecom, networking and embedded computing ...

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Chip boosts solar panel efficiency
29 September 2010
STMicroelectronics has unveiled what it claims is the industry’s first IC to combine important power optimisation and power conversion functions for solar generators. ST’s innovation will allow multipanel ...

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Low-side driver ICs
29 September 2010
ON Semicondoctor recently introduced a family of low-side protected MOSFETs that feature high levels of integrated protection. Qualified in accordance with the AEC-Q101 standard, devices in the NCV840x ...

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Programmable DC-DC regulator
29 September 2010, CST Electronics
The MAX8952 is Maxim’s new high-efficiency DC-DC step-down switching regulator delivering up to 2,5 A of output current. The device operates from a 2,5 V to 5,5 V input voltage range, supporting commonly ...

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Power supply and UPS units
29 September 2010
Wago has expanded the Epsitron power supply system within the PRO family to include single-phase power supply devices. 12 Ah rechargeable battery modules and a high-performance charging unit have also ...

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