7-phase DC/DC boosts supply efficiency 3 percent Product News 2/28/2006 Post a comment International Rectifier‘s improved XPhase family of scalable multi-phase DC/DC chipset devices, the IR3084 and IR3084U control ICs, help achieve up to three percent higher efficiency in 130-amp applications with seven phases, as compared to five-phase designs.
Op amps draw 13 uA per amp Product News 2/27/2006 Post a comment Exclusive to eeProductCenter: Linear Technology Corp. says its 1.8-volt dual and quad operational amplifiers are the first available in a tiny DFN package.
DC/DCs toughen up for military and aerospace Product News 2/24/2006 Post a comment International Rectifier's AHP line of hybrid DC/DC converters, for analog and digital circuits that require a well-regulated power source, adds over-voltage protection circuitry on the input while minimizing internal components count.
Triple-throw switches boost audio signals Product News 2/23/2006 Post a comment Maxim Integrated Products Inc. says these dual, single-pole, triple-throw analog switches handle negative signals with a single positive power supply to reduce external components and improve audio signal quality.
MOSFET drivers deliver 12 amps Product News 2/21/2006 Post a comment Microchip Technology's TC4451 (inverting) and TC4452 (noninverting) MOSFET drivers, for use in switching power supplies and similar high-speed, high-current applications, can deliver peak output currents of 12 amperes.
National, ARM unveil next-gen PowerWise spec News & Analysis 2/21/2006 Post a comment National Semiconductor Corp. and ARM Holdings PLC have released a second-generation PowerWise interface (PWI) specification that provides enhanced power management interconnect capability to feature-rich, multi-domain system-on-chips (SoCs) in battery-powered, handheld electronic devices.
90-nm read channel cuts power consumption by up to 70% Product News 2/21/2006 Post a comment Agere has introduced TrueStore RC7200, a 90-nm read channel it says provides up to a 50% power savings over competing products, and 70% reduction compared with its 130-nm read channels. The RC7200 read channel supports perpendicular recording technology, enabling hard disk drive capacities to exceed 240-Gbytes per platter.
Controller quickly charges any size capacitor Product News 2/17/2006 Post a comment Linear Technology's LT3750 flyback controller, using an external MOSFET, can rapidly charge large capacitors to voltages as high as 1,000 volts. The chip can charge a 100 microfarad capacitor to 300 volts in less than 300 ms for photoflash applications and the like.
Light-to-digital converters seek small displays Product News 2/16/2006 Post a comment Texas Advanced Optoelectronic Solutions, Inc. (TAOS) is beefing up its Light-to-Digital Converter offering with two low-voltage versions for mobile phones, PDAs, portable media players, cameras, handheld games and camcorders.
Crosspoint switch boosts signal integrity Product News 2/15/2006 Post a comment Vitesse Semiconductor Corp. is unleashed a 12-port crosspoint switch with enhanced signal equalization technology that it says will raise the bar in terms of signal integrity performance and flexibility.
E-field sensor IC finds new markets Product News 2/14/2006 Post a comment Freescale Semiconductor today expanded its line of electric field (E-field) sensing integrated circuits (ICs) from automotive applications to the appliance and industrial markets.
Single-chip RF circuits coming, says analyst Product News 2/10/2006 Post a comment Researchers are using microelectromechanical system (MEMS) technology to develop a single-chip RF circuit that integrates discrete functions to reduce weight and cost, according to a Frost & Sullivan report.
Full-bridge driver extends motor control Product News 2/8/2006 Post a comment Allegro MicroSystems' A3950 complements the company's parallel-input family of DC motor drivers. Designed for PWM-based control applications, the 36-volt full-bridge device can deliver peak output currents of ±2.8 amps for the office automation, industrial, and medical markets.
Multiplexers operate over wide voltage range Product News 2/7/2006 Post a comment Vishay Intertechnology, Inc. released a trio of precision, low-voltage, monolithic CMOS analog switches that are said to combine a wide voltage range, low leakage, and tight on-resistance matching for precision signal switching and routing.
Wide-input Simple Switcher eases buck designs Product News 2/7/2006 Post a comment National Semiconductor says its LM3100, the first member of a new synchronous Simple Switcher family, is the industry’s first synchronous, monolithic, 1.5-amp buck regulator with an input voltage range of 4.5 to 36 volts.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...