Power Electronics / Power Management


Latest Articles

Low noise LDO regulators operate over wider temperature range
6 September 2006
Linear Technology has introduced wider temperature range versions of its LT1763 and LT1764A high current, low noise linear regulators. The new 'MP' grade features operation from -55°C to +125°C for a ...

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Power MOSFET portfolio expanded
6 September 2006, Altron Arrow
ON Semiconductor has expanded its Power MOSFET portfolio with 18 new devices for computing. These new power MOSFETs optimise DC-DC conversion and reduce power losses at critical current levels, it says. ...

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Choosing a battery that will last
23 August 2006, Uniross Batteries
What causes a battery to wear down - is it mechanical or chemical? The answer is 'both'. A battery is a perishable product that starts deteriorating right from the time it leaves the factory. Similar ...

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400 W switcher PSU fits in 1U high apparatus
23 August 2006, Vepac Electronics
XP Power has developed a family of 400 W AC/DC switching power supplies that it says enables more power to be delivered in an industry-standard 1U high enclosure. Most 1U units are limited to around 250 ...

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Chip simplifies control of automotive loads
23 August 2006
AMI Semiconductor (AMIS) offers a new high-side driver IC to simplify the control of transistor gates, relays, valves, solenoids, LEDs and other loads in 12 V automotive environments. Supplied in a compact ...

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Integrated 3 A power management and conversion IC
23 August 2006
Zilker Labs has introduced what it claims is the industry's only single-chip 3 A power conversion solution that integrates full digital power management capabilities. The ZL2105 combines a synchronous ...

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Power modules with new chip technology have less stray inductance and extended operating temperature
9 August 2006, Electrocomp
At the PCIM 2006 exhibition and congress in Nuremberg, Infineon Technologies introduced a new family of compact IGBT (insulated gate bipolar transistor) modules intended for power converter system solutions. ...

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Motor control system makes trains more reliable
9 August 2006
Developed by Siemens rail technology experts in Erlangen, Germany, for controlling the drive motors of rail vehicles, the Sitrac system requires fewer sensors, a design factor that reduces downtime of ...

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Heatsinking aluminium cases for electronics
9 August 2006, Electrocomp
Extracting the heat from electronic components on PCBs that have been pushed into cases, or which have to be firmly installed, is often rather difficult due to the fact that appropriate cases are not ...

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High-frequency DC-DC converter reduces external components required
9 August 2006
STMicroelectronics has introduced an advanced high-frequency step-down DC-DC converter for applications that require high efficiency, small size, and light weight. The new ST1S06 integrates functions ...

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Controller improves efficiency and compactness of resonant converters while lowering noise emissions
26 July 2006
An advanced double-ended controller specifically designed for the series-resonant half-bridge topology for power supplies, has been introduced by STMicroelectronics. Offering a multitude of functions, ...

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Constant current LED drivers deliver fixed 100 mA output
26 July 2006, Communica
High voltage analog and mixed-signal IC provider, Supertex, has introduced two linear, constant current, LED drivers with fixed output currents of 100 mA. The CL6 and CL7 devices are ideally suited for ...

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212 W AC/DC switcher said to be a first for small size
26 July 2006, Vepac Electronics
XP Power has announced that it has brought together a series of proven power supply design techniques in a new and innovative way to create the world's smallest 212 W, single output AC/DC switcher dubbed ...

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Single and dual segment EL lamp drivers
26 July 2006, Communica
Supertex' new HV835 and HV857L low noise electroluminescent (EL) lamp driver ICs are designed to drive EL lamps for handheld devices such as mobile phones, PDAs, global positioning systems, and other ...

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New simulation models for power management devices
12 July 2006
Intersil has added another three new models to its iSim library. Models for the ISL8104 and ISL8105, ISL8105A are now available. iSim is an applications-based simulator that features Intersil Power Management ...

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Stable chip trimmer capacitors with high heat resistance
12 July 2006
Murata's TZY2 Series is an ultra-compact and low-profiled trimmer capacitor, with outside dimensions of 2,5 x 3,2 x 1,25 mm (W x L x H). Nominal values range from 1,0 to 45 pF although high capacitance ...

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Compact medical AC/DC switchers offer flexibility and reliability
12 July 2006, Vepac Electronics
XP Power's latest medical, low-profile, AC/DC switchers, the PBM200 (200 W) and PBM300 (300 W), combine the flexibility of up to four outputs with an MTBF of over 300 000 hours (MIL-HDBK-217F at 25°C) ...

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Power meter IC family expanded
12 July 2006, Electrocomp, CST Electronics
Teridian Semiconductor's new 71M6521 metering product family incorporates its single converter technology with a 22 bit delta-sigma converter, four analog inputs (two phases), digital temperature compensation, ...

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Reference design for efficient 60 W power adapters
12 July 2006
ON Semiconductor's 5th GreenPoint reference design is intended for 60 W power adapters used to power LCD TVs and monitors, notebooks and other consumer products. This reference design addresses the sometimes ...

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Quad power supply sequencer and supervisor
12 July 2006
Multiple supply systems often require turn-on and turn-off sequencing of supplies to protect vital circuits from damage and to allow for programmable logic boot-up and configuration. The LTC2928 quad ...

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