Global Sources
EE Times-Asia
Stay in touch with EE Times Asia
?
EE Times-Asia > Controls/MCUs
?
?
Controls/MCUs??

Digital signal controllers have highest PWM resolution

Posted: 21 Feb 2006 ?? ?Print Version ?Bookmark and Share

Keywords:TMS320F2809? TMS320F2802? TMS320C2801? TMS320C2802? digital signal controller?

Texas Instruments Inc. (TI) announced four new members of the TMS320C2000 platform designed for motor control, digital power conversion and intelligent sensor control in industrial, appliance, automotive, medical and consumer applications. The new controllers include the TMS320F2809 and TMS320F2802 flash-based controllers, and custom ROM-based TMS320C2801 and TMS320C2802. All four new devices are 100 percent hardware and software compatible with existing TMS320F280x controllers.

The C2000 platform's ROM-based C280x and flash-based F280x devices feature a patent-pending pulse width modulator (PWM) with 150ps resolution, which TI claims to be 64 times more precise than competing processors. The TMS320C28x portfolio now includes 32bit controllers that combine the real-time performance of TI's DSPs with the peripheral integration of a microcontroller.

Both the TMS320C28x and TMS320F28x devices offer high resolution PWM technology that provides 16bits of accuracy in a 100KHz control loop and 12bits at 1.5MHz. In digital power applications, higher resolution PWM promises a faster transient response with a smaller ripple amplitude. The accuracy of the high resolution PWM eliminates limit cycle issues, which means power supply designers are now able to use digital control in high-switching frequency supplies like those found in wireless base stations, network servers and DTVs.

The C280x- and F280x-based devices feature a 32bit wide data path and mixed 16/32bit instruction set. These devices provide control system capabilities from signal input through the on-chip ADC, quadrature encoder pulse and timer captures, and compares through signal output with up to 16 independent PWM channels. The 12.5MSps, 12bit ADC found in the F2809 controller has an effective number of bits of 10.9 and is valid across the -40C to 125C temperature range. Key communication interfaces include multiple CAN, I2C, UART and SPI ports.

The new TMS320F2809 offers 256KB of on-chip flash, double the size of the pin-compatible F2808. It also increases the number of PWM channels with 150ps resolution from four to six. The F2809 will be available for sampling in Q3 2006 and be qualified for full production in Q1 2007.

The TMS320F2802, C2801 and C2802 are currently available for full production. All devices are AEC Q100 qualified. Both 100-pin LQFP and 100-ball BGA packaging are available.




Article Comments - Digital signal controllers have high...
Comments:??
*? You can enter [0] more charecters.
*Verify code:
Related Datasheets
Part Number Description Category
? TMS320F2802 TMS320F2809, F2808, F2806, F2802, F2801, C2802, C2801, and F2801x DSPs (Rev. J) EDA - IC Design
? TMS320F2809 TMS320F2809, F2808, F2806, F2802, F2801, C2802, C2801, and F2801x DSPs (Rev. J) EDA - IC Design
? TMS320C2801 TMS320F2809, F2808, F2806, F2802, F2801, C2802, C2801, and F2801x DSPs (Rev. J) EDA - IC Design
? TMS320C2802 TMS320F2809, F2808, F2806, F2802, F2801, C2802, C2801, and F2801x DSPs (Rev. J) EDA - IC Design

?
?
Webinars

Seminars

Visit Asia Webinars to learn about the latest in technology and get practical design tips.

?
?
Back to Top