Power Electronics / Power Management


Latest Articles

More efficient, industrial-qualified MOSFETs
7 May 2003
International Rectifier's IRF8010 series HEXFET power MOSFETs are claimed to have as much as 10% lower on-resistance, or RDS(on) than previous devices. The new 80 A devices have high current density and ...

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Open frame DC-DC converters
7 May 2003, Sivan Electronic Supplies
Cosel has launched four new open-frame (with no heatsink), isolated, DC-DC converters suitable for computer and communication equipment applications. The CES, CQS, CQB and SFS Series DC-DC power modules ...

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IEEE802.3af-compliant switch for power-over-LAN
7 May 2003, CST Electronics, Access Control & Identity Management, News & Events, Products & Solutions
Maxim's MAX5922, claimed to be the industry's first fully integrated IEEE802.3af-compliant 48 V power switch for power-over-Ethernet (LAN) systems, helps simplify design while reducing external component ...

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Standalone Li-Ion battery charger
7 May 2003, Access Control & Identity Management, Products & Solutions
Linear Technology's LTC4056, is a linear Li-Ion battery charger controller is designed to provide a microcontroller-free solution, as well as faster charging from a poorly regulated or a sagging input ...

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Smallest dual DMOS FET
7 May 2003, MB Silicon Systems, Integrated Solutions
Central Semiconductor's new PICOmini device, the CMLDM7002A, is claimed to be the smallest dual N-Channel Enhancement-mode DMOS FET. It provides improved specifications when compared to the industry-standard ...

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High current switched capacitor converters
23 April 2003
The ADM660/ADM8660 are high current CMOS switched capacitor voltage converters from Analog Devices. They invert the input voltage, producing VOUT = -VIN. The inverting scheme is ideal for generating a ...

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Regulator and COM driver for colour TFT panel
23 April 2003
The ADM8840 device from Analog Devices features a common line (COM) driver in a single-chip solution for TFT LCDs. The device provides an LCD controller and grayscale DAC supply voltage of 5,0 V ±2% and ...

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MOSFETs have 'fast body diode characteristics'
23 April 2003
International Rectifier's new 600 V HEXFET power MOSFET family with fast body diode characteristics is tailored for soft switching applications such as the zero voltage switching (ZVS) circuits. ZVS is ...

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Low-voltage MOSFETs have exceptionally low gate charge
23 April 2003, Electrocomp, Fire & Safety
The OptiMOS 2-25 V low-voltage MOSFET series is Infineon's response to the increasing requirements in the field of low-voltage power conversion and switching applications. It provides low gate charge, ...

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Compact DIN-rail power supply cuts costs by 20%
23 April 2003, Vepac Electronics, Access Control & Identity Management
Power specialist, XP, has released the THD series of compact AC-DC DIN-rail 60 W and 120 W power supplies that measure 100 x 45 x 75 mm and 100 x 85 x 75 mm respectively. These compact plastic-cased units ...

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12 V MOSFETs have 15% higher current capability
23 April 2003
International Rectifier has introduced four new 12 V HEXFET power MOSFETs optimised for low input voltage (typically 3,3 V and 5 V) point-of-load (POL) buck converters. These MOSFETs deliver up to 15% ...

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Power-factor correction controller
23 April 2003
An innovative power-factor correction (PFC) controller, ON Semiconductor's NCP1650 device provides active PFC for power systems up to 3 kW. It is an average-current-mode controller featuring continuous ...

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Flexible power system uses 'building blocks'
9 April 2003, Products & Solutions
Vicor's VIPAC Arrays - a highly flexible system of DC input, power building blocks - can be configured with as many as four user-definable outputs on Vicor's low-profile, cold-plate chassis that measures ...

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Cosel moves to 'lead-free'
9 April 2003, Sivan Electronic Supplies, Products & Solutions
Cosel has published notice of change to lead-free solder for its switching power supplies (on-board type)    The power supply series and production/shipment schedule is:    * ZU Series (1,5 W to 10 W) in ...

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Cooler-running isolated rectifier-IGBT modules
9 April 2003, Integrated Solutions
The MTP Switch family of isolated modules from International Rectifier are insulated with a ceramic aluminium nitride layer for improved junction-to-case thermal resistance. The insulation layer enables ...

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Range of current transformers
9 April 2003, Security Services & Risk Management
The Tae Hwa transformer company is a worldwide supplier and designer of current transformers. Its standard range of over 200 models covers applications and usage for: metering, measurement, earth leakage, ...

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DC-DC converters with op amps
26 March 2003, CST Electronics
The MAX1542/MAX1543 devices are high-performance step-up regulators that include two high-current operational amplifiers. These Maxim devices are designed for active-matrix, thin-film transistor (TFT) ...

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MOSFET portfolio takes miniaturisation to new levels
26 March 2003
A new line of N-channel MOSFETs in the TSOP6 package from Philips Semiconductors is based on the company's innovative µTrenchMOS technology. With a footprint of 9,3 mm2 (smaller than the tip of a match), ...

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Open-drain reset generator
26 March 2003
The ADM6315 is a precision voltage monitor and reset generator, intended for use with microprocessors or in any electronic system requiring supply voltage monitoring and reset functions. This Analog Devices ...

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Boost converter for white LED market
26 March 2003, Altron Arrow, EBV Electrolink
Intersil's first device in a new family of products for white light emitting diode (LED) displays is a high frequency pulse width modulation (PWM) step-up regulator capable of driving up to 12 LEDs while ...

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