Power Electronics / Power Management


Latest Articles

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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100 V Schottky rectifiers
29 September 2010, EBV Electrolink
Vishay has introduced four new 100 V TMBS Trench MOS barrier Schottky rectifiers with high current density from 2 A to 4 A in low-profile, surface-mount SMA and SMB packages. The devices include the VSSA310S ...

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AC motor switches
29 September 2010
STMicroelectronics has unveiled new AC switches that are designed for controlling appliance motors. They can be used without many of the additional components normally needed to ensure smooth switching ...

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Power supplies for LED systems
29 September 2010, Vepac Electronics
TDK-Lambda has developed a new range of power supplies specifically targeted towards LED applications requiring high reliability. Suited for all indoor and outdoor LED lighting installations, as well ...

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Dual POL regulator
29 September 2010, Tempe Technologies
The SC283 is Semtech’s new 1,8 A dual-channel regulator for point-of-load (POL) applications, combining two step-down regulators in a 2 x 3 x 0,8 mm, 18-pad MLPQ package. With integrated VID pins to enable ...

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PWM controller
29 September 2010, CST Electronics
Maxim has introduced the MAX5974, a high-frequency, current-mode PWM controller with active clamp architecture and spread spectrum operation. The device’s active-clamp topology delivers better than 90% ...

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Integrating FETs into PoE controllers
15 September 2010, NuVision Electronics
Power over Ethernet (PoE) controllers for power sourcing equipment (PSE) use high-voltage, high-current field-effect transistors (FETs) to connect the power source to the load. Integrating the FET ...

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Power MOSFETs
15 September 2010
International Rectifier recently introduced a family of HEXFET power MOSFETs featuring ultra low on-state resistance (Rds(on)) in an industry-standard SOT-23 package for applications including battery ...

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Sine wave inverters
15 September 2010, Current Automation
Mean Well has introduced two new high performance DC/AC true sine wave inverters in the 3000 W range. Featuring high-frequency topology, the TN/TS-3000 series are lightweight and boast up to 92% efficiency. They ...

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