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First Floating Point Digital Signal Controllers

TMS320F2833x DSCs Boost Performance 50 Percent and Simplify Software Development for Solar Power and Other Applications

The new TMS320F2833x devices provide 300 million floating point instructions per second (MFLOPS) performance at 150 MHz while providing the lower costs typically associated with fixed point processors. Simplified software development common to floating-point processors and the performance boost allows solar power inverters to more efficiently convert energy from photovoltaic (PV) panels, offers better power efficiency and performance to variable speed alternating current (AC) drives and provides greater performance for automotive radar applications.

According to the European Photovoltaic Industry Association (EPIA), solar capacity will grow 397 percent to 5550 Megawatts from 2005 to 2010. The world's leading solar inverter manufacturers - the majority of which use TI DSCs - maximize their systems to peak efficiency through Maximum Power Point Tracking (MPPT) algorithms and dynamic algorithm adjustments during various load conditions, including cloudy and low light days.

F2833x controllers have the performance headroom to maximize these MPPT algorithms and dynamic adjustments while also integrating additional system features like data logging, power line communications (PLC) or inverter synchronization to the utility grid.

With the high integration and performance enabled by floating point F2833x controllers, robotics and computer numerical control (CNC) machines using AC induction motors will see both finer control and increased dynamic range. Systems designers using AC servo motors can now specify smaller, more energy efficient motors which, along with AC induction motors, IMS Research states, will drive an approximately eight percent yearly revenue growth for the industrial drive market. IMS Research also states that drives used in the AC induction motor segment are growing largely due to their ability to significantly lower the energy costs associated with running the motor. Demand for servo drives is linked to growth in precision applications such as machine tools, packaging machinery and semiconductor machinery, where the need for faster production cycles is leading to increased use of servo systems at the expense of mechanical ones.

New Controllers Increase Performance by an Average 50 Percent
The new F2833x floating point controllers will increase performance by an average of 50 percent over TI's previous leading digital signal controllers while operating at the same 150 MHz clock rate. Some algorithms, such as a Fast Fourier Transform (FFT) used for complex calculations, will see a 200 percent improvement over an equivalent 32-bit fixed-point implementation. Overall system bandwidth is also increased with the addition of a six-channel direct memory access (DMA) controller that offloads the central processing unit (CPU) from servicing the ultra-fast, on-chip analog-to-digital converter (ADC) along with user-configurable 16- or 32-bit external memory interface and high-speed serial ports.

Simplified Development and Complete System Integration
Software developers typically begin creating algorithms in a floating-point environment for validation, and then convert the code to run on fixed-point devices. Now, however, developers can eliminate the weeks - and often months - of time spent contending with scaling, saturation and adjustment of numerical resolution required in fixed-point implementations.

All F2833x controllers offer exceptional system integration for single-chip control applications from signal input to high-resolution control output. The on-chip 12-bit, 16-channel ADC operates at 12.5 mega-samples per second - the fastest on-chip ADC operation of any digital signal controller in the industry today. The F2833x controller series features up to 18 pulse width modulation (PWM) channels, six of which include TI's unique high-resolution PWM (HRPWM) technology with 150 pico-seconds (ps) resolution. Communication interfaces include CAN, I2C, UART, SPI and TI's Multi-channel Buffered Serial Ports (McBSP).

The company's Web site address is http://www.ti.com/.
[Reprinted with kind permission from Texas Instruments]

New STM8 C-Compiler

Microchip to Acquire Atmel

New Time-of-Flight IC with Object Detection

Atmel Release Studio 7 IDE Software

NXP Release Automotive Ethernet Solutions

New Galvanic Skin Response Design

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Linear Technology's New Power Monitoring IC

New Multi-Tuner Car-Radio IC from STMicroelectronics

Atmel Release New ATmega Microcontrollers

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New MPLAB Harmony Firmware from Microchip

Atmel Release Studio 6.2 IDE

New High Accuracy Pressure Sensor

New Smart Meter IC from Microchip

Dynamic NFC Tags for Comsumer Appliances

New Floating Switch Architecture for LED Lighting

New Power Monitoring IC from Microchip

STMicroelectronics Releases Unique HomePlug Smart System-on-Chip

Analog Devices Release New Mixed-Signal ARM-M4 Processor

New Wireless Power Chip for Qi Charging Stations

High-Performance Single-Chip AM/FM Radio Tuners

New Flourescent Ballast Control IC

New Ultra-Wideband High Linearity Mixer

New Near Field Communication Tags

New Freescale 5V 32-bit ARM Cortex-M0 MPUs

New DockPort Solution Enables Video, USB and Power Over a Single Cable

World's Smallest e-Compass Module

New Class-AB Audio Amplifers from NXP

TI Releases Li-Ion Battery Fast Charge Chipset

New Atmel Cortex-A5 MPU Loaded with Features

New Sound Chip Delivers Excellent Sound Quality

New PIC Microcontrollers with Integrated Op-Amps

Microchip Releases New High Density 1Mbit Serial SRAM

New e-Compass Module with Motion and Magnetic Sensors

Microchip Releases New USB PIC® Microcontrollers

Revolutionary New Audio IC Delivers 5 Times the Power

New Atmel ARM Cortex-M4 Microcontroller

New Fully Integrated Ultrasonic Signal Conditioner

New Java Design Platform for STM32 Microcontrollers

NXP Adds New GreenChip IC for Use With Mains LED Lighting

Microchip Releases Improved C Compiler for PIC Microcontrollers

New Atmel Studio 6 Release with Support for ARM Microcontrollers

Freescale Releases New Kinetis Microcontrollers with 16-bit ADC

New Low-Voltage Digital Thermometers/Thermostats from Maxim

NXP Adds New Low Power ARM Microcontrollers

Analog Devices New MEMS Accelerometers

New ZigBee Smart Energy IC with ARM Cortex-M3 Processor

New Touch Sensing IC with Capacitive and Resistive Sensors

New Performance Record for ARM Cortex™-M Microcontroller

New AVR Microcontroller with LF-RFID Reader

Microchip Releases New SPI Real-Time Clock

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