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GaN Power Transistor Addresses 2.5 GHz and 3.5 GHz Markets
April 1, 2008 6:27 am | Product Releases | CommentsConsisting of a broadband DC to 4GHz GaN-on-Si HEMT in a thermally-enhanced plastic package, the NPT1004 delivers up to 45W at 28V for high PAR and pulsed applications, up to 5W for 2.5GHz to 3.5GHz WiMAX applications, and 4.5W for 3.3GHz to 3.5GHz WiMAX applications. The Pb-free, RoHS-compliant device suits high peak to average power amplifiers for WiMAX and systems using pulsed waveforms such as in radar, telemetry, and medical applications.
Starter Kit Supports ColdFire Development
April 1, 2008 5:38 am | Iar Systems Software | Product Releases | CommentsProviding a tool for designers developing a system based upon a Freescale ColdFire microcontroller, the IAR KickStart Kit includes an MCF52223-SK evaluation board, a limited edition of the IAR Embedded Workbench V1.20 for ColdFire, the IAR J-Link for ColdFire BDM26 debug probe, and a 20-state evaluation edition of IAR visualSTATE. The Embedded Workbench is an integrated C/C++ development environment providing full support for devices with ColdFire V1, V2 and V3 cores.
12-bit Digitizer Features Simultaneous Sampling and Streaming to PC
March 31, 2008 10:16 am | Product Releases | CommentsRecording signals to the card memory of up to 2 Giga-samples or streamed at full rate to the host PC, Strategic Test Corp’s UF2e-3120 two-channel 10 MS/s 12-bit waveform digitizer PCI Express card features options for dual-timebase sampling, synchronous digital inputs, asynchronous digital I/O and the possibility to synchronize up to 542 channels. Each channel has its own 10 MS/s ADC for true simultaneous sampling.
Single-Channel Regulator Chip Claims High Efficiency and Accuracy
March 31, 2008 10:13 am | Product Releases | CommentsIntegrating a switching voltage regulator, 1.5A-rated p-channel power MOSFET, and compensation circuitry in a TO-252S-5 package, the BD9870 single-channel step-down switching regulator has an efficiency of 88%, an output accuracy of ±1.0%, and a bias current of 3mA with a zero standby current. Deployable using only an external coil, diode, and output capacitor, the 900-kHz device can present a 60% board-space savings
TrenchFET power MOSFET Achieves Lowest On-Resistance
March 31, 2008 8:55 am | Product Releases | CommentsWIth an on-resistance/gate charge FOM of 98 (presented as a record for any VDS = 30V, VGS = 20V SO-8-size part) and a maximum on-resistance of 2.25 mO at a 4.5-V gate drive voltage, the Vishay Siliconix Si7192DP TrenchFET power MOSFET is presented as having the best performance for a device of its type. The n-channel device comes in a PowerPAK SO-8 package be used as the low-side MOSFET in synchronous buck converters, in secondary synchronous rectification, and OR-ing applications.
CEC/Energy Star-Compliant Desktop Supplies Provide 180W of Power
March 31, 2008 8:39 am | Protek Power North America | Product Releases | CommentsProtek Power North America's PUP180 Series of CEC and Energy Star-compliant AC/DC desktop power supplies provide 180W of power for monitors, computers, networking equipment, test equipment and printers. The lightweight, 6.69” × 3.35” ×1.60” supplies in a convection cooled package specifiy
DC/DC Converters Enable Engineers to Scale from Low to High Power During Design
March 31, 2008 8:04 am | Murata Power Solutions Inc. | Product Releases | CommentsMurata Electronics North America introduced the new MPD7D06*S 48V input isolated DC/DC converter series. The device allows engineers to scale from low to high power and vice-versa in the design stage. This scalability is enabled by the MPD7D06*S's parallel operation feature and footprint compatibility with the company's 10W MPD6D10*S Series and the 15W MPD6D11*S Series DC/DC converters.
D-sub Connector Targets High Power Applications
March 31, 2008 7:17 am | Product Releases | CommentsOffering size 8 power contacts with an optional integrated filter array, the Combo D Series D-Sub connector for Telecom, Power Applications from ITT Interconnect rejects 50/60Hz noise and has a 40A maximum contact current rating. The right-angle press-fit connector has a 200 mating- cycle minimum lifespan, can handle 1000-V peaks, and has Eurostyle brackets that meet CECC75 301 802 specifications.
Sensors Address High-Changeover Environments
March 31, 2008 7:05 am | Product Releases | CommentsAble to consistently detect targets at up to 50 mm regardless of target color or reflectivity, Pepperl+Fuchs’ Tru-Vue photoelectric background suppression sensor is unaffected by potentially distracting background objects without using reflectors or thru-beam alignment. The sensors are 29 mm deep, giving them flexibility for tight-confined mounting and offer tamper-proof operation in industry-standard housings, with versatile side-mount or snout-mount options to satisfy various application needs.
Self-clinching Fasteners for Stainless Sheets Compensate for Mating Hole Misalignment
March 31, 2008 6:22 am | Product Releases | CommentsNon-locking Type A4 and self-locking Type LA4 fasteners from Penn Engineering provide load-bearing threads in stainless sheets as thin as .038”/0.97 mm while permitting up to .030”/0.76 mm total adjustment for mating hole misalignment. The fasteners are available in thread sizes range from #4-40 through #10-32 and M3 through M5 with hardness of HRB 88 on the Rockwell “B” scale. They are squeezed into properly sized holes using standard equipment.
Chipscale Converter Touts Low-Noise Operation
March 31, 2008 5:03 am | Product Releases | CommentsWell-suited for applications where switcher noise can limit data throughput and cause failure in spectral compliance, the EP5368QI mA synchronous buck converter has an integrated inductor, PWM controller, MOSFETS, and compensation network to significantly simplify design, reduce the parts count, and provide for inherently low-noise operation. Requiring just 2 MLCC caps for a solution footprint of 22mm²
LGA Socket Suitable for High Temperatures
March 28, 2008 11:07 am | Ironwood Electronics, Inc. | Product Releases | CommentsUsing a custom heat sink enabling operation to 100W, the XG-LGA-7000 socket for 0.65 mm pitch LGA devices is designed for a 12 mm package size. With 50? per pin contact resistance and a current capacity of 5 amps per pin, the socket operates at bandwidths up to 40 GHz with less than 1dB of insertion loss and has a pin self-inductance of 0.11 nH, a mutual inductance of 0.028 nH, and capacitance to ground of 0.028 pF.
Power System Drives LED Performance in Signage Applications
March 28, 2008 7:41 am | Product Releases | CommentsConverting AC into Class 2 DC power for LEDs, the SignLINQ power management system uses the MultiLINQ power splitter, enabling deployment remotely from the light fixture itself. Targeting solid-state lighting and digital signage applications, the UL48-rated system combines power splitter and control circuitry in an IP67 / NEMA weatherproof module.
USB DAQ Modules Feature Programmable I/O(2)
March 28, 2008 7:20 am | Product Releases | CommentsProviding monitoring and activation functionality for chemical, petrochemical, and other manufacturing applications, the 48-bit USB-4751and 24-bit USB-4751L USB data acquisition modules support wet or dry contacts as inputs with software-programmable six/three 8-bit ports configurable as input or output. Features include an event counter and three 16-bit timers which can be cascaded to become a 32-bit timer.
Power Inductors Offer High Current and Low Resistance for DC/DC Converter Choke Coils
March 28, 2008 6:40 am | Product Releases | CommentsTaiyo Yuden’s CKP2520 multilayer chip power inductors offer DC resistance from 0.08 ohms to 0.15 ohms and current ratings from 1.4A to 1.1A, improvements of 35 percent and 44 percent compared to the company's previous models. With an EIA 1008 case size footprint of 2.5 mm × 2.0 mm and a maximum height of 1.0 mm and inductance values from 1.0 µH to 4.7 µH, the devices are suitable for
