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TI offers DSP-based controller

Posted: 05 Dec 2006     Print Version  Bookmark and Share

Keywords:Texas Instruments  TI  digital signal processor  controller  TMS320F280xx 

Texas Instruments Inc. (TI) has announced volume availability of four low-cost TMS320F280xx digital signal processor-based controllers. The TMS320F28015 and F28016 digital signal controllers (DSCs) offer 60MHz of performance starting as low as Rs.147.94 ($3.25). Meanwhile, the TMS320F2801-60 and F2802-60 controllers also offer 60MHz of performance and are based on the current TMS320F2801 and F2802 devices. As designers consider upgrading existing MCU-based designs, TI's F280xx controllers now offer a portfolio of eleven software and pin-for-pin compatible devices with 32bit DSP performance combined with the peripheral integration and ease-of-use of an MCU.

All F280x-based devices feature a 32bit wide data path and mixed 16/32-bit instruction set for improved code density. According to TI, these devices offer extraordinary system integration by providing complete control system capabilities from signal input through the on-chip,12-bit ADC, quadrature encoder pulse (QEP) interfaces, and timer captures and compares through signal output with up to ten independent pulse width modulation (PWM) channels. Depending on the device, communication interfaces include CAN, I²C, UART and SPI ports. The TMS320F28016 device is the lowest cost digital signal controller with integrated CAN communications. Long used in automotive networks, CAN is suitable for industrial applications that are susceptible to high noise levels and offer error detection and error handling for highly reliable communications within a system.

F280x controllers' patent-pending 150ps resolution high resolution PWM (HRPWM) provides 16bits of accuracy in a 100KHz control loop and 12bits at 1.5MHz, resulting in designs with cleaner power output, higher power density, smaller magnetics and more compact, cooler supplies. These benefits are vital in applications such as AC/DC rectifiers requiring high tolerances and faster transient response with small ripple amplitude. For motor control applications like white goods and automotive, overall system costs can be reduced through integration and lower device cost while leveraging the 32bit performance necessary to implement advanced control techniques. Processor-intensive, sensor less vector control helps developers reduce the power electronics required and the size and cost of a system's motors.

All four controllers are AEC Q100 automotive qualified in 100-pin LQFP packaging and are available in production quantities. Developers can use the TMS320F2808 eZdsp Development Kit (TMDSEZS2808) to program all four of the controllers. It is available today for Rs.23,532.40 ($495) from TI authorised distributors.

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Related Datasheets
Part Number Description Category
TMS320F28015 TMS320F2809, F2808, F2806, F2802, F2801, C2802, C2801, and F2801x DSPs (Rev. J) EDA - IC Design



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