Power Electronics / Power Management


Latest Articles

Open-frame DC-DC converters
8 October 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 new CES, CQS, CQB and SFS Series DC-DC power modules ...

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Logic to power interface ICs
8 October 2003
Allegro MicroSystems' UDN2987A and UDN2987LW are 8-channel source driver ICs designed to act as an interface between standard low-level logic and power devices such as relays, motors, solenoids, LEDs, ...

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ICs maximise battery use
8 October 2003, Tempe Technologies
A family of single and dual cell Lithium-Ion and Lithium-Polymer charge-management controllers from Microchip offer an industry-leading voltage regulation accuracy of ±0,5%. The MCP7384x series combines ...

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Isolated dual output 100 W DC/DC controller IC comes with integrated opto drive
24 September 2003, Products & Solutions
Linear Technology's LT3804, a secondary side DC/DC regulator with integrated optocoupler driver for dual output isolated power supplies, is ideal for converting 36 to 72 V supplies to output voltages ...

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Unique current transducer operates from single +5 V supply
24 September 2003, Denver Technical Products
LEM has introduced the LTSR family of current transducers, adding additional functions and improved characteristics to its existing LTS series. The new transducers offer current measurement of all current ...

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Industry's smallest 1 A, 40 V Schottky diode
24 September 2003
International Rectifier has introduced what it claims is the smallest Schottky diode in the industry. The IR140CSP FlipKY device uses standard ball-grid array (BGA) technology, and occupies a total area ...

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Power supply for application in Zone 2
10 September 2003, Phoenix Contact
For use in areas with an explosion risk in Zone 2, Phoenix Contact presents two compact Quint Power power supplies and a Quint Diode redundancy model with type 'n' explosion protection (EN 50021). The ...

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Easier compliance for medical systems with compact power supplies
10 September 2003, Vepac Electronics
Fully approved to medical safety and EMC specifications IEC601-1 and IEC6101-1-2, XP Electronics' new PBM25 (25-28 W) and PBM65 (65 W) AC/DC switching power supplies, help cut system time-to-market by ...

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Compact current transducers
10 September 2003, Denver Technical Products
Current transducers from LEM are considered as a key element linking power and control circuitry, for the majority of applications within the power electronics field, such as; variable speed drives, servo-controlled ...

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Non-synchronous step-down regulators
10 September 2003
The XC9206, XC9207 and XC9208 are three non-synchronous stepdown DC-DC converters from Torex Semiconductor. Featuring a high switching frequency up to 1,2 MHz and a built-in 0,4 W P-channel driver transistor, ...

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Ultra-compact 1 A LDO
10 September 2003
International Rectifier's IRU1502-33 is claimed to be the first fixed PMOS low dropout (LDO) linear regulator in a 6-pin MLPM package with a less than 0,6 V dropout at 1 A full load current. PMOS LDO ...

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Small ±1°C accurate temperature sensor
10 September 2003, CST Electronics
Maxim has introduced a two-channel digital temperature sensor that measures the temperature of a remote PN junction to within ±1°C and its own die to within ±2°C. The MAX6642 is packaged in a 6-pin, leadless, ...

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Design of an infrared heating profile controller system
27 August 2003
Ref: z2615193m In this paper an IR heating profile controller system is designed. The circuit design uses power electronics techniques to accomplish phase angle delay power control of an Elstein FSR2-125 ...

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150 mA CMOS LDO in tiny package
27 August 2003, Tempe Technologies, Conferences & Events, Training & Education
Microchip's new 150 mA low dropout regulator is available in the space-saving 5-pin SC-70 package. The TC1017 LDO has a low dropout voltage of 285 mV at 150 mA and a low-supply current of 53 µA, which ...

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Low power consumption CMOS LDO voltage regulator
27 August 2003
Torex Semiconductor's XC6206, a new series of positive voltage regulators is a power management solution for handheld battery- powered applications such as cameras, mobile phones and portable games. The ...

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High-voltage linear regs for automotive and industrial applications
27 August 2003, CST Electronics
The MAX5023/MAX5024 high-voltage linear regulators from Maxim are rated for operation over the 6,5 to 65 V input voltage range. Both devices can output up to 150 mA and draw less than 60 µA quiescent ...

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Intelligent power switches for automotive electrical systems
27 August 2003
International Rectifier's IR3310, IR3311 and IR3312 high-side intelligent power switch (IPS) devices have accurate high frequency current sensing and built-in protection circuits for 14 V automotive applications. ...

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Gas gauging basics using TI's battery monitor ICs
27 August 2003
The new generation of wireless devices, PDAs, Internet audio players and other appliances demand accurate battery capacity monitoring. The improvement in feature content and complexity of these portable ...

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Integrated energy-metering ICs with reference design
27 August 2003, Altron Arrow
Cypress MicroSystems offers a family of PSoC Energy Meter ICs and accompanying reference design that streamlines the development of single-phase energy meters. The Energy Meter Design Kit offers a cost-effective ...

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60 V step-up/down DC-DC converter
27 August 2003
Linear Technology has introduced a burst mode operation high voltage (60 V), 200 kHz, current mode DC-DC converter that provides both step-up and step-down regulation using a single inductor. The LT3433 ...

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