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LDO Controller Offers Adjustable and Fixed 1.2V and 1.5V Output Voltages

January 4, 2008 9:22 am | Product Releases | Comments

Vishay Intertechnology released an LDO controller with adjustable and fixed output voltage options that uses external n-channel MOSFETs to provide extremely low drop-out voltages of under 50 mV at very high currents, up to 7A, with, according to the company, 80 percent efficiency. The SiP21301 device is designed for driving n-channel MOSFETs to power FPGAs, ASICs, and ASSPs in

LISTED UNDER: ICs

Integrated, Low-Power, Single-Conversion Silicon Tuner Meets ATSC Requirement

January 4, 2008 7:32 am | Product Releases | Comments

Maxim Integrated Products' MAX3540 integrated, single-conversion television tuner for ATSC and NTSC applications meets the sensitivity and adjacent-channel guidelines specified by ATSC Recommended Practice A/74, while consuming 760 mW. The tuner integrates a tracking filter and high-linearity front-end. Additionally, it

LISTED UNDER: ICs

Low-Power 300 MHZ to 930 MHz RF Receivers

January 3, 2008 9:45 am | Product Releases | Comments

Melexis announced the MLX71120 and MLX71121 integrated RF receiver series of automotive-qualified ICs with dual inputs. These are suited for low-cost antenna applications in unlicensed industrial-scientific-medical and short-range-device frequency bands in Europe and North America. The MLX71120 and MLX71121 feature an integrated FSK and ASK demodulator, 5 mm2 32-lead QFN package, and power range from 2.1V to 5.5V

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Boost Converter Manages Multiple High-Brightness LEDs

January 3, 2008 8:55 am | Product Releases | Comments

Texas Instruments Incorporated introduced an LED driver with an integrated 40V, 1.2A switch that can drive up to three 1W LEDs in series. The TPS61165 device’s features and input voltage range of 3V to 18V allow designers to manage multiple high-power LEDs used in single-cell, battery-powered applications or point-of-load designs with a 9V or 12V bus.

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Solid State Relays Cut ON Resistance By 50 Percent

January 3, 2008 8:21 am | Stmicroelectronics | Product Releases | Comments

STMicroelectronics introduced a quad high-side intelligent power switch (IPS) -- the VNI4140K -- which is produced using the latest generation of ST’s VIPower technology to achieve a 50 percent saving in Rds(on) compared to earlier devices with the same die size, officials said. The reduction in on-resistance and quiescent current saves energy through lower losses. IPS devices integrate a logic interface, drivers and protection circuits on the same chip as a power stage

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Power Management IC Maximizes Energy Performance in Multi-Kilowatt Systems

January 3, 2008 7:13 am | Product Releases | Comments

Texas Instruments introduced a single-chip, interleaved power factor correction (PFC) control circuit for multi-kilowatt communications, server and industrial systems. In line-operated systems with power levels from 75W to 1 kW and above, the UCC28070 helps reduce total harmonic distortion, allowing systems to maximize usable outlet power and accommodate extreme variations and disturbances

LISTED UNDER: ICs

Three-Phase BLDC MOSFET Pre-Driver Controller ICs

January 2, 2008 10:24 am | Product Releases | Comments

Allegro MicroSystems introduced two automotive grade (temperature and voltage rated) three phase BLDC motor controller integrated circuits. These control ICs integrate the commutation logic on-board, which lessons the burden on the system microprocessor. If desired, the Hall sensor inputs can be driven directly by a microprocessor, which makes

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Constant Current LED Driver IC Specified Up to a Maximum of 40V

December 20, 2007 10:42 am | Product Releases | Comments

Allegro added a high-brightness, adjustable constant current LED driver to its portfolio of display driver ICs. Targeted at the automotive lighting market, this LED driver is also a fit for industrial and consumer LED applications. This device is designed to operate over the typical automotive battery and temperature ranges. The input voltage range is specified down to

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Sychronous Buck Power Block Offers Space Savings In POL Converters

December 20, 2007 9:26 am | International Rectifier | Product Releases | Comments

International Rectifier introduced the iP1206, a fully optimized device for synchronous buck applications including telecom and networking equipment. It is the latest addition to the iPOWIR integrated power conversion stage product line, designed for two-phase single output applications up to 30A or dual independent outputs up to 15A.

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Chip Enables Simultaneous Audio Connections of Consumer Electronics

December 19, 2007 9:51 am | Product Releases | Comments

STS Inc. announced the availability of its fourth-generation chip (DARR81) for digital wireless audio platforms in the connected home or office. The chip enables simultaneous audio connections of consumer electronics (CE) devices, such as headphones, speakers, home theater systems, flat panel TVs, game consoles, iPod and portable media player docking stations, and PCs for uninterrupted streaming of HD uncompressed wireless audio.

LISTED UNDER: ICs

Standard Cell Device Implements a Structured ASIC as IP

December 18, 2007 9:20 am | Product Releases | Comments

ChipX announced the introduction of Hybrid ASIC, the implementation of a structured ASIC as IP on a Standard Cell device. This development approach is said to allow for rapid and economical product line development and save companies recurring engineering (NRE) and tooling costs. According to the company, turnaround time for logic changes can be

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Loop Powered Ultrasonic Sensors Internally Calculate Flow Rates and Volume

December 18, 2007 8:46 am | Product Releases | Comments

Automation Products Group, Inc. introduced the LPU-2428 Loop Powered Ultrasonic Level Sensors with microprocessor control to internally perform volume, flow, and totalization calculations. These IP65 rated sensors provide a 1 foot to 25 foot (0.3 m to 7.62 m) detection range. They are designed for liquid flow-rate and volume measurement applications.

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Post Amplifiers with Twice the Signal Gain of Previous Offerings

December 18, 2007 7:13 am | Product Releases | Comments

Micrel's SY88343HL and SY88289HL high-sensitivity, low-power CML limiting post amplifiers are designed with twice the signal gain of the company's previously announced SY88343DL and SY88289CL. These products are targeted at applications using low-cost transimpedance amplifiers and/or low gain PIN diodes which occur in a variety of data and telecom markets

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RS-485/RS-422 Transceiver Provides Precision Control

December 18, 2007 6:53 am | Product Releases | Comments

Intersil Corporation introduced the ISL3259E RS-485/RS-422 transceiver, a next-generation interface IC that combines a 100 Mbps data transmission rate with a low 2.6 mA supply current and 15 kV IEC61000-4-2 ESD (electro-static discharge) protection. The IC allows for the elimination of external protection components and saves on total costs. This device’s ESD level is rated at 15 kV air gap and 8 kV contact discharge to IEC61000-4-2 on the RS-485/RS-422 bus pins and 9kV HBM on all of the other pins.

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RS-432, RS-485 Transceivers Offer Extended Operating Temperature

December 18, 2007 6:51 am | Product Releases | Comments

Linear Technology expanded its RS-422/RS-485 transceiver product family with an "H-grade" option designed for high temperature applications. LTC285xH versions feature an extended operating temperature of -40°C to 125°C, as well as the characteristics traditionally required for these applications. The new temperature grade is intended to ensure reliable data transmission in harsh environmental conditions

LISTED UNDER: ICs

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