TI develops industrial applications
01 August 2007
Texas Instruments (www.ti.com) has introduced a digital signal controller and a SoC for the industrial wireless network, ZigBee. The devices in the TMS320F2833x series are claimed to be the industry’s first floating point digital signal controllers.
They combine an SoC’s (system on chip) code optimisation characteristics with a microcontroller’s levels of peripheral integration and the performance of a DSP (digital signal processor) to deliver 300MFLOPS (million floating point/sec). This 50 per cent increase in performance, compared to previous generations, converts energy more efficiently for industrial applications, such as servo motors as well as solar power inverters.
In a bid to promote ‘greener’ industrial applications, TI’s Jean-Marc Charpentier explains that this scaleable platform can reduce costs and increase performance at the same clock rate by virtue of the floating point digital signal. The development time can also be reduced as there is no need to create algorithms in a floating point environment for validation and then convert the code to run on fixed point devices. There is also no need for scaling, saturation and resolution adjustment as required by fixed point implementations.
The controllers maximise MPPT (maximum power point tracking) algorithms and dynamic algorithm adjustments to increase efficiency in applications such as solar inverters, to accommodate the phases in load conditions due to cloudy or low light days.
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