Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: C28x digital signal controllers
Edited by the Electronicstalk Editorial
Team on 22 October 2004
Digital signal controllers aid fuel
economy
A new range of high performance DSP-based controllers from Texas Instruments has received Q-100 qualification from the Automotive Electronics Council (AEC).
A new range of high performance DSP-based controllers from Texas Instruments has received Q-100 qualification from the Automotive Electronics Council (AEC) Demands for safety and communications are not the only trends increasing the electronic content in automobiles
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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Currently, there is increased pressure to improve automotive fuel efficiency, not just because of high fuel costs, but also to meet increasingly strict emissions standards worldwide.
Switching from a hydraulic steering system to an electromechanical model eliminates the constant drag on the engine while the reduced weight contributes to overall fuel economy.
As TI's first AEC Q-100 qualified DSPs, C28x digital signal controllers are ideal for high-performance automotive motor control applications such as electronic power steering (EPS) and integrated starter alternators (ISAs).
EPS and ISA systems require high performance, real time processing to reduce overall weight, manufacturing time and increase fuel economy and reliability.
Estimates indicate that EPS leads to a fuel economy improvement of approximately three to four percent and that ISA can lower emissions up to 15%.
TI's C28x controllers' enhanced bus structures offer high maths efficiency, and vectored peripheral interrupt structures give highly responsive interrupt responses at 80ns.
This rate allows automotive designs to respond in real time to events and provide an intelligent mix of 16 and 32bit instructions to give the superior code densities required for the reliable, high-performance motors EPS and ISAs need.
With 150MIPS of DSP performance, C28x controllers are paving the way for automotive designers to migrate to digital signal controllers without giving up the peripherals and ease of use they have come to expect from MCUs.
AEC Q-100 qualification standards regulate part qualification methods for the automotive market by detailing automotive stress tests, defining minimum stress test driven qualification requirements and referencing test conditions for the qualification of integrated circuits.
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