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N-channel MOSFETs Tout Low On-state Resistance and High Switching Capability

May 9, 2008 8:34 am | International Rectifier | Comments

International Rectifier expanded its portfolio of 60V, 75V and 100V MOSFETs for switch mode power supplies (SMPS), uninterruptible power supplies (UPS) and industrial applications such as power tools, forklifts and other high power DC drives. These new N-channel MOSFETs feature

Micropower Hall-effect Switch Conserves Board Space

May 9, 2008 8:13 am | Comments

Allegro MicroSystems introduced an ultra sensitive, Hall-effect switch with latched digital outputs and omnipolar magnetic actuation. It features operation at low supply currents and voltages, making it appropriate for battery operated electronics. The low operating supply voltage, 1.65V to 3.5V, and unique

ADCs Extend Operation in Power-Sensitive Applications

May 9, 2008 7:13 am | Comments

Targeting battery-powered applications such as remote sensors, the LTC2451 and LTC2452 from Linear Technology are a pair of 16-bit delta sigma ADCs have a 0.5µA (max) shutdown current to extend system operating life. For example, the devices dissipate just 40 µW from a 3-V supply when sampling once per second. With a dynamic input current of less than 50 nA, the 3 x 2-mm 8-pin DFN-packaged devices

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PCIe Edgecard Connectors Feature 1.00 mm Contact Centers

May 8, 2008 8:20 am | Comments

Sullins Connector Solutions expanded its 1.00 mm edgecard connector offering to include a full series of PCI Express (PCIe) parts. Designed to conform to PCI-SIG specifications, the devices enable user upgrades and bandwidth support to implement PCIe technology for desktop PCs and server systems. Featuring

Stainless Steel D-Subminiature Connectors Offer Reliability and Corrosion Resistance

May 8, 2008 8:03 am | Comments

ITT Interconnect Solutions has developed a corrosion resistant variation of its D-subminiature connectors. The stainless steel D-sub shells meet stringent requirements for corrosion resistance under MIL-Spec "P" grade stainless steel, while also meeting JEDEC standards for RoHS compliance. The shells are

USB Null Modem Cable Eases Connectivity Between PCs

May 8, 2008 7:43 am | 3M Electronics Solutions Division | Comments

Future Technology Devices International Limited (FTDI) announced availability of its USB NMC-2.5m USB to USB Null modem cable. Using an approach that was established using legacy RS-232 serial COM ports when the PC industry was in its infancy, the USB NMC-2.5m offers a

SRM-SPM Power Modules Drive 2-Phase Switched-Reluctance Motors

May 7, 2008 9:09 am | Fairchild Semiconductor | Comments

Presented as the first devices of their type, the FCAS20DN60BB and FCAS30DN60BB SRM-SPM power modules from Fairchild can drive two-phase switched-reluctance motors (SRM) in small motor applications such as vacuum cleaners.

Handheld, 1g Shaker Performs On-site Troubleshooting, Sensor Calibration and Performance Verification

May 7, 2008 9:02 am | Comments

The IMI Sensors division of PCB Piezotronics (PCB) has released the Model 699A02 portable, lightweight, battery powered industrial handheld shaker. It is designed to verify accelerometer and vibration system performance, as well as confirm the operation of interconnecting cables, switching devices and monitoring systems. The unit operates at 159.2 Hz and delivers a controlled, 1g rms or 1g  peak acceleration to

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Compact, Rugged Computer Boasts 100 GFLOPS Processing Power

May 7, 2008 8:41 am | Comments

Mercury Computer Systems unveiled its PowerBlock 50 embedded computer for small platforms in the 6 lb. to 10 lb. range. Suited for real-time image, sensor, and signal processing and ruggedized for harsh environments, it is fully integrated and programmable, with liquid cooling. The system’s modular architecture allows for flexible configurations of multiple processors, providing

Fast-Switching Thyristors Provide Enhanced dv/dt Performance

May 7, 2008 8:09 am | Comments

Littelfuse introduced the EV Series  Enhanced Version Teccor brand Thyristors. They feature a minimum rated blocking voltage (Vdrm/Vrrm) of up to 800V, a maximum turn-on time (tq) as low as 25 µs, and a minimum rated static dv/dt of up to 75 V/µs. The high blocking voltage and dv/dt immunity are suited to designers creating circuits for

High Frequency, High Voltage Vertical FETs

May 5, 2008 1:56 pm | Comments

HVVi Semiconductors introduced its High Frequency, High Voltage Vertical Field Effect Transistor (HVVFET) architecture with products designed to operate from 24V to 48V and which feature low thermal resistance and high ruggedness. According to the company, the gain, efficiency and power density characteristics offer an opportunity to

Chipscale Buck Regulator Integrates Double Power Monitoring

May 5, 2008 7:48 am | Comments

Provided in a 4x4-mm MLPQ 12-pin package, the AS7620 from austriamicrosystems is a hysteretic, high efficiency 32-V step-down regulator deliver both “early-power-fail” warning and “power-good“ signals for increased system reliability. Operating with an efficiency as high as 93%, the 500-mA device accepts from 3.6 V to 32 V and is available with a fixed 3.3-V output or

Serial EEPROMs Boast Single I/O Bus

May 5, 2008 7:05 am | Microchip Technology Inc. | Comments

Based upon the patent-pending UNI/O memory-device protocol, a 10-member family of serial EEPROM devices from Microchip have a single I/O bus interface and are presented as the first devices that can support any data rate from 10 to 100 kHz and the only 1-, 2-, 4-, 8-, and 16-kbit EEPROMs available in a 3-pin SOT-23 package.

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UPS Frame Enables Simple Scalability

May 2, 2008 12:17 pm | Comments

Provided in a 10U configuration, Eaton's MGE Office Protection Systems10 kVA Pulsar MX Frame UPS enables users of the 5-kVA Pulsar MX 5000 RT to migrate upward while still using the original power and battery sub-modules of the original. When the Pulsar MX on-line double-conversion power modules are connected in parallel within the Pulsar MX Frame, the power can be scaled from 5 kVA to 10 kVA with from 9 kW or 4.5 kW with N+1 redundancy.

Tester Evaluates Embedded USB Host Devices

May 2, 2008 9:31 am | Comments

Ensuring compliance with USB-IF host certification standards, the USBHost Tester from Jungo tests embedded USB host stacks against the profiles of the thousands of commonly used USB devices in its database. Able to simulate entire class descriptors, the device also has a reporting facility. The tester can be used in a project along with the company's WinDriver development toolkit for custom device drivers to run on a variety  of operating systems and

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