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Dual-SMBus Microcontroller Supports 400 Kbps per Side

July 1, 2008 8:50 am | Comments

With two system management buses (SMBus), Silicon Storage Technology’s SST89C58RC FlashFlex 8-bit microcontroller family supports up to 400 Kbps data throughput in each bus. The 6-mm2 QFN-packaged devices yield operating voltages from 2.7 to 5.5 V and 1 KB on-chip RAM. The microcontrollers

MOSFET Driver Delivers 5A for DC/DC converters

July 1, 2008 8:23 am | Comments

 Designed to drive upper and lower power N-Channel MOSFETs in a synchronous converter, the LTC4447 from Linear Technology, can deliver 5A for buck or boost DC/DC converters. This driver, combined with power MOSFETs and one of Linear Technology's DC/DC controllers, forms a complete synchronous regulator that can be used as a step-down or step-up DC/DC converter. The device drives both

Power Supplies Offer Constant Current or Voltage

July 1, 2008 5:44 am | Comments

Housed in 1U-high aluminum cases and providing up to 450 W, the WL7 Series of switchmode power supplies from Acopian have a constant voltage/constant current crossover, and both voltage and current can be programmed with 0- to 10-V control voltages.

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Connector Supports Hard Disk Drives

June 30, 2008 12:49 pm | Comments

Supporting 1.8” form factor drives, FCI’s Micro serial ATA (SATA) plug connector have compatibility with applications such as notebook PCs, set-top boxes, game consoles, audio/video, and portable storage. The SATA-IO-standardized device meets SFF 2.6 specification with 16 positions (7 with a pitch for signal of 1.27 mm and 7+2 positions with a pitch for power of 1.27 mm). The RoHS-compliant

FPGAs Provide System-On-Chip Functionality

June 30, 2008 11:54 am | Comments

Using flexiFLASH architecture, Lattice Semiconductor’s LatticeXP2 family of non-volatile automotive FPGAs provides look up tables from 5 to 17 K, 276 Kb on-chip embedded FlashBAK RAM in 18 Kb dual-port blocks, and from 0.6 to 2.2 Kb of Serial TAG memory. The 90-nm devices support DDR2 memory interfaces at 400 Mbps, ADC/DACs at up to 750 Mbps and 7:1 LVDS display interfaces at above 600 Mbps. The AEC-Q100-standardized FPGAs support up to 5 sysDSP

Reference Design Creates SFP Optical Modules

June 30, 2008 9:58 am | Comments

Incorporating the recently PHY1040 laser transceiver and limiting amplifier IC and an off-the shelf 8-bit microcontroller with embedded flash, a hardware and software reference design from Phyworks can create Small Form-factor Pluggable 125 Mbps to 1.25 Gbps optical modules with digital configuration and monitoring capability. The system architecture allows users to configure the PHY1040 in software to meet specific optics and network requirements and

Power MOSFETs Offer High Current Density

June 28, 2008 4:34 am | International Rectifier | Comments

With a footprint 40% smaller than a standard SO-8 and a height of 0.7 mm, a family of 30-V DirectFET MOSFETs enable a smaller footprint and higher power density in synchronous buck converter designs. The IRF6724M, IRF6725M, IRF6726M, and IRF6727M have a common MT and MX footprint as previous generation devices

Online Database Provides LED Ray Data

June 27, 2008 9:32 am | Osram Opto Semiconductors | Comments

Including information such as emission patterns, the coordinates of the emission point, as well as the direction, intensity, and wavelength, an online database at www.osram-os.com/ray-files from OSRAM Opto Semiconductors provides ray data files for its entire LED portfolio. Engineers can immediately view and download all the ray data and a custom CAD model for board design

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IC Eliminates Data Control Cables

June 27, 2008 9:17 am | Comments

Ridding the need of data control cables, Intersil Corporation’s ISL34340 SERDES IC transports 27 bits of video data and bi-directional I2C into a single LVDS cable measuring up to 10 meters long. The 64-lead EPTQFP-packaged device has a DC balanced 8b/10b code and video flow that allows 24 RGB bits and three video control bits into a single LVDS pair. The IC includes embedded termination

Enclosures Offer DIN-Rail or Cabinet Mounting

June 27, 2008 7:34 am | Comments

OKW Electronics’ CAMDEN DIN-Rail enclosures are designed for snap-in mounting on DIN EN 50/022/035/045 (TS 35/32/15) rails or direct cabinet mounting. The devices are appropriate for applications including automation, building and safety, sensors, relays, and signal distributors. The enclosures can be used as a subrack for interfaces, electronics modules, amplifiers, or transformers. The cases offer different connection options for commercial components, such as terminals, PCB plug headers, or front connectors

Mini POL Regulator Saves Board Space

June 27, 2008 6:31 am | Comments

With a package footprint of 15 mm² and a height of 2.8 mm, the LTM4616 DC/DC µModule from Linear Technology includes all the support components needed for a single or dual point-of-load (POL) regulator: inductors, capacitors, DC/DC controller, compensation circuitry, and power switches.

IC Targets DDR Cache-Memory Backup

June 26, 2008 10:09 am | Comments

Targeting DDR cache-memory backups, Maxim Integrated Products’ DS2731 power-management IC (PMIC) integrates a single-cell Li+ charger with FETs at a rate up to 1.5 A from a 12-V supply to eliminate over 15 discrete components in existing solutions. The device uses an internal comparator with a power-steering system to switch from system to battery power when the auxiliary supply falls below

PoE Splitter Supports Wimax, Multi-Radio Access Points

June 26, 2008 7:46 am | Phihong | Comments

Delivering up to 45 W, POE45-120 Series of power-over-ethernet (PoE) splitters from Phihong divide the power and data and converts the PoE source to a regulated DC power source for Wimax, multi-radio access points, thin-client, and other network devices. The Gigabit-compatible modules mount adjacent to the Ethernet device

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Relays Handle 4000 Vrms

June 26, 2008 5:17 am | Comments

Delivering up to 4000 Vrms of contact, CIT Relay & Switch’s J115F1 Series high dielectric-optioned relays have a minimum contact-to-contact strength of 1500 Vrms in SPST N.O., SPST N.C., or SPDT contact arrangements. The AgSnO2 or AgSnO2In2O3 devices provide voltage options from 3 to 100 VDC and

Power Supplies Drive Outdoor LEDs

June 25, 2008 11:39 am | Comments

Measuring 4.84” x 6.54” x 2.22” in IP65-rated aluminum-enclosed housing, DongAh Elecomm’s LED-240 Series 240-W switching power supplies are designed for outdoor LED lighting and sign applications. Meeting NEC Class II safety requirements, the units have four 60-W 12-VDC outputs rated at 5 A each. The UL1310/1585-approved devices offer a universal input ranging from 90 to 264 VAC with a frequency range from 47 to 63 Hz and over 85% efficiency. The EN6100-3-2-compliant supplies

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