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DC/DC Boost LED Driver Supports 18-V Input

January 27, 2009 4:18 am | Comments

Suiting 12-V or 15-V industrial power rails, Texas Instruments’ TPS61500 DC/DC boost LED driver (SSLD) offers an input voltage range from 2.9 V to 18 V. The 14-pin, HTSSOP-packaged unit presents a 3-A current switch with integrated FET for powering 4 3-W LEDs at an input voltage of 5 V and 8 3-W LEDs at an input voltage of

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Development Board Serves Motor Control Applications

January 27, 2009 4:00 am | Microchip Technology Inc. | Comments

Supporting the dsPIC33F family of motor control DSCs, Microchip’s dsPICDEM MCLV development board (part # DM330021) provides a method for evaluating and developing sensored or sensorless BLDC and Permanent Magnet Synchronous Motor (PMSM) control applications. The product contains a three-phase inverter bridge

Power Entry Modules Fit in 1U Enclosures

January 26, 2009 10:30 am | Comments

Providing a combination of appliance inlet and circuit breaker in a single module, the Series 6135 and 6136 families of power entry modules from Schurter are compact enough to be mounted in 1U-sized products and enclosures. The 6135 offers a C14 appliance inlet and the 6136 a C20 inlet, according to IEC 60320. The 6135 offers a 2-pole switch with or without 1- or 2-pole overcurrent protection, while the 1-pole 6136 is offered with

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MOSFETs Combine Process Technology with Planar Cell Structure

January 26, 2009 8:36 am | Comments

Combining process technology with planar cell structure technology, a series of high-voltage pi-MOS VII MOSFETs from Toshiba is intended for AC/DC and ballast applications. The first seven 500-V devices in the series provide a selection of drain current from 5 A to 15 A (max.) with R(DS)(ON) from 1.50 Ohm to

Desktop Switch Connects DB9 Interface With Four Devices

January 26, 2009 8:15 am | Comments

The Pathway Model 7385 DB-9 Interface A/B/C/D switch from Electro Standards Laboratories is a desktop network switch that allows the sharing of a single DB9 interface device among 4 other devices. Resistance between the common port pins and the corresponding current position pins is <0.8 Ohm. With no local front panel controls, the

Programmable Oscillators Exhibit Low Power Consumption

January 26, 2009 7:46 am | Comments

Offering a start-up time of 3 ms, SiTime’s SiT8003, SiT8003XT, and SiT8033 programmable oscillators demonstrate typ. power consumption of <3.5 mA in active mode and <10 µA in standby mode. The devices can be programmed to operate at 1.8 V, 2.5 V, 2.8 V, or 3.3 V over frequencies from 1 MHz to 110 MHz with an rms jitter of

Interface Converter Handles High Data Rates

January 26, 2009 6:24 am | Comments

Powering from the computer’s serial (COM) port, Omega Engineering’s OM-CONV-SER RS-485 half duplex to RS-232 converter presents data rate handling of up to 115,200 bps. The 2.4” × 1.3” × 0.6” unit offers transmission distances of 1,200 m on the RS-485 side and 5 m on the RS-232 side. The CE-compliant device connects to

MicroTCA Carrier Hub/Switch Offers Configuration Options

January 26, 2009 6:01 am | Comments

Performing in telecom and industrial control applications, Mercury Computer Systems’ MCH2020 MicroTCA carrier hub and switch presents options to include a clock module and a RapidIO switch module. The RapidIO interfaces demonstrate 1x or 4x connections, AMC connectivity for up to 12 high-speed ports, and data rate support of

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Fuses Demonstrate High Interrupting Capacity

January 26, 2009 5:55 am | Comments

Offering a 5-mm × 20-mm ceramic body, Littelfuse's 215 Series time-lag cartridge fuses can interrupt currents as high as 500 A at 250 VAC. The UL- and CSA-recognized components offer current ratings of 15 A, 16 A, 20 A, and 25 A at up to 250 VAC. The RoHS-compliant, Pb-free devices are appropriate for AC applications, such as

Motor Driver Integrates Hall Commutation

January 26, 2009 5:01 am | Comments

Designed to power low-voltage brushless DC motors, Allegro MicroSystems’ A1448 motor driver uses a CMOS semiconductor process to incorporate a Hall sensor, the motor control circuitry, and the full output bridge. A single input control pin allows for direct input PWM for speed control, initiating the active braking function, and

Edison-Based LED Lamp Delivers 160 Lumens

January 26, 2009 4:54 am | Comments

Available in white-light 2,800K, 5,200K, and 6,000K color temperature versions, the EnergyLED E26 LED light bulb from Marktech LED Lighting uses 4.6 W to generate 160 lumens of light. Engineered to last 50,000 hours, the bulb is lead free and

Thermal Imaging Array Measures 256 Elements

January 26, 2009 4:46 am | Comments

Including an integrated electronics system with a ROIC chip, Cal Sensors’ LIRA5S lead-selenide (PbSe) thermal imaging array senses up to 256 elements in the wavelength region from 1 µm to 5.5 µm. The 28-pin-packaged device exhibits

Prox Sensors Suit Mobile Machinery

January 23, 2009 7:52 am | Comments

Intended for mobile equipment applications such as position detection of doors, ladders, outriggers, and booms, a family of inductive proximity sensors from TURCK are rated to IP 68 and IP 69k and can operate over a temperature range from -40°C to 85°C. Available in M12, M18, and M30 barrel

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Compact Potentiometers Exhibit High Dielectric Strength

January 23, 2009 7:45 am | Comments

Using cermet and conductive-plastic elements, Sfernice P11P and P11D compact panel potentiometers from Vishay Intertechnology have a dielectric strength of 5,000 VRMS. Available in seven module configurations, two shaft lengths, and 29 terminal styles, the customizable devices also offer insulated plastic shafts

Electronic Loads Perform Timing Measurement

January 23, 2009 7:39 am | Comments

Designed for testing UPS, battery, inverter, or other power systems, Chroma's 63800 Series of AC electronic loads allow users to measure critical timing parameters such as battery discharge time, the trip time for fuse and breaker testing, and UPS transfer time. Available in ratings of 1,800 W and 4,500 W

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