Posted in | Control Systems

TI Introduces Programmable Microcontroller Solution for Resolver-to-Digital Decoding

Today Texas Instruments (TI) announces its first programmable microcontroller (MCU) solution to handle resolver-to-digital decoding: The C2000™ MCU Resolver Kit. Because the resolver is an analog, rotary electrical transformer, it has historically required an application-specific circuit — which can be costly and space consuming – to convert to digital signals for use by a digital processor in a control system.

However, TI’s new C2000 MCU Resolver Kit shows designers how to implement the digital conversion using software on programmable C2000 MCUs, saving system cost and space in a variety of industrial applications, including robotics, servo drives, automation, avionics and transportation.

Features and benefits of the C2000 MCU Resolver Kit:

  • Replaces expensive, dedicated resolver-to-digital chipsets with low-cost MCUs to simplify and reduce cost in systems.
  • Extends functionality by allowing an MCU to handle resolver-to-digital decoding, as well as other software programmable real-time functions, such as additional analog-to-digital converter (ADC) sampling and processing, encoder and hall interfaces, digital signal processing (DSP) front-end, state logic, tasks to assist with functional safety and full control loops.
  • Provides complete hardware and consists of a C2000 controlCARD-compatible printed circuit board (PCB) with on-board JTAG emulation for software debug, a resolver interface with filtering, UART and SPI interfaces, four digital-to-analog converter (DAC) outputs for debug and a 15V power supply.
  • Includes software and hardware development packages:
    • Software: Free download of C2000 controlSUITE and Code Composer Studio™ integrated development environment (IDE), an Eclipse-based IDE for embedded software development.
    • Hardware: Full build of materials, schematics and PCB design files.
  • Supports four software project variants running on three different C2000 controlCARDs (all purchased separately): TMDSCNCD28335 (floating-point), TMDSCNCD28035 (fixed-point) or parallel control law accelerator (CLA) and TMDSCNCD28027 (fixed-point).

Pricing and availability
The C2000 MCU Resolver Kit (TMDSRSLVR) is available today for $179 USD. C2000 controlCARDs are available separately starting at $49. The controlSUITE software and documentation are available for download. The C2000 MCUs capable of running the resolver software are available starting from $1.85 USD 1ku SRP (TMS320F280200).

Innovation is at the core of TI MCUs
Beginning with the foundation of leading process technology and adding unique system architecture, intellectual property and real-world system expertise, TI continues its 20+ years of MCU innovation with ultra-low-power MSP MCUs, real-time control C2000™ MCUs, Tiva™ ARM® MCUs and Hercules™ safety MCUs. Designers can accelerate time to market with TI’s ecosystem of tools, software, wireless connectivity solutions, extensive Design Network offerings and technical support.

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