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DC/DC Converters Demonstrate 4:1 Input Ranges

January 27, 2009 5:33 am | Comments

Including a remote on/off signal, XP Power’s 12-W JTF12 Series and 20-W JTM20 Series DC/DC converters offer 4:1 input ranges from 9 VDC to 36 VDC or 18 VDC to 75 VDC. The devices exhibit dual output voltages of ±5 VDC, ±12 VDC, or ±15 VDC that are fully regulated to within ±0.5% over all input ranges and to

Radial Inductors Address Low- and Medium-Current Applications

January 27, 2009 5:30 am | Murata Power Solutions Inc. | Comments

The 1100 R and 1300 R series of radial lead format inductors from Murata Power suit low and medium current applications. The 1100R series has overall dimensions of 4.0 mm diameter x 5.5 mm, is offered with inductance values ranging from 1.0 µH to 470 µH, and has a maximum current rating

Motor Starters Suit Industrial Apps

January 27, 2009 5:26 am | Comments

Moeller’s SYST-M line of ready-to-use industrial enclosed motor starters are rated to 60 HP at 575 V. The three-part non-reversing and reversing starters are UL/CSA approved and come in both non-combination and fused-combination configurations. All starters are housed

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Plastic Ice Sensor Serves UAVs

January 27, 2009 5:19 am | Comments

Providing RF transparency for installation in close proximity to radio antennas, the Model 9732-UAV ice detecting transducer probe from New Avionics also solves the problem of conductive metallic interference with mission-critical RF gear on unmanned aerial vehicles and other small aircraft. Weighing less than 10 grams, the sealed sensor consumes less than 2 watts and has an ice sensitivity of 0.001 inch or better.

Rotary Encoder Exhibits Small Footprint

January 27, 2009 5:13 am | Comments

Being billed as the world’s smallest, Avago Technologies’ and the FAULHABER Group’s PA2-50 rotary encoder measures 3 mm × 3.28 mm × 1.26 mm. The component incorporates the AEDR-8400 optical IC with a transmitter and emitter located on the same SMT surface. The motor connections are integrated into the flex circuit. The 6-mm D unit demonstrates power consumption of 8 mA at 3 VDC, making it suitable for

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

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