OP8666
Based on the widely used TI C2000 series of microcontrollers, the OP8666 DSP controller board supports direct programming from MATLAB Simulink, PSIM, and embedded C—making it ideal for advanced control algorithms. Perfect for power electronics applications, it excels in rapid control prototyping (RCP) and conventional embedded development. Designed for seamless integration and communication, the OP8666 is the ultimate tool for validating power converter control methods.
Specifications overview
| Controller | TI Dual-Core C2000 200 MHz | |
| I/Os | Digital | 16 Ch. PWM Digital Outputs 16 Ch. Digital Inputs |
| Analog | Analog inputs 16 Ch., ±10 V with 8 channels (16-Bit) @ 360 ksps and 8 channels (12-Bit) @ 430 ksps | |
| I/O monitoring | DB50 front connectors can serve for monitoring | |
| Communication | Fiber optics Isolated CAN Bus Low latency master-slave Sync protocol 2 isolated USB ports for programming and debugging |
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| Software | Compatibility | Windows OS with MATLAB (Requires Simulink, MATLAB Coder, Embedded Coder and Simulink Coder) TI Code Composer Studio, controlSUITE, and C2000 Ware |
| Rack unit and mount type | 1U. Tabletop use. Can be mounted in a rack with optional hardware. |
PRODUCT BENEFITS
The ideal tool for R&D and academia
Designed to let students, professors, and researchers focus on developing control system solutions—not assembling and wiring controllers—the OP8666 delivers performance and value at an unbeatable price point.
01
All-in-one enclosed controller
A compact, plug-and-play DSP controller board designed for academic institutions and R&D facilities—ready to use right out of the box.
02
Rapid control prototyping (RCP)
Great for RCP and for conventional embedded development.
03
Open-source MATLAB Simulink® models
Access an extensive library of open-source models and teaching resources to save time and effort.
04
Multiple I/Os
16 digital inputs, 16 digital outputs, and 16 analog inputs for flexible testing and development.
DEMO
Controller hardware-in-the-loop applications
The OP8666 interfaces directly to OPAL-RT real-time simulators through the DB37 connectors on the rear panel. This enables a low-cost RCP controller hardware-in-the-loop (HIL) solution, which can reduce the development time and increase flexibility without investing on the hardware prior to finalizing the control system.
HARDWARE DETAILS
Connections and interface
Controller Architecture
A high-performance DSP for advanced control
The DSP controller board is built around a TI Dual-Core C2000, 200 MHz Controller. Analog in signals are converted to digital signals through the internal Analog to Digital Converter (ADC). Each ADC channel has a pre-buffer stage, which sets high impedance to the input while increasing the input voltage range to ±10V, commonly used by most HIL simulators and high accuracy sensors. The OP8666 uses an isolated CAN Transceiver IC ISO1042 from Texas Instruments as a bridge to connect the microcontroller CAN-A to a CAN bus. The OP8666 also incorporates fiber-optic communication that can be used in a daisy chain, which has its own applications such as distributed control systems but without master-slave controllers. For detailed specifications, refer to the user manual.
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