Overview
The TMS320F28069PFPQ is a 32-bit microcontroller from Texas Instruments, part of the C2000™ family. These microcontrollers are optimized for processing, sensing, and actuation to enhance closed-loop performance in real-time control applications. The F2806x family, to which this MCU belongs, combines the power of the C28x core and Control Law Accelerator (CLA) with highly integrated control peripherals, making it suitable for low pin-count devices. This family is code-compatible with previous C28x-based code and offers a high level of analog integration.
Key Specifications
| Specification | Details |
|---|---|
| Processor | High-Efficiency 32-Bit CPU (TMS320C28x) |
| Clock Speed | 90 MHz (11.11-ns cycle time) |
| Memory | 256 KB flash |
| Package | HTQFP (80 pins), 12.0 mm x 12.0 mm |
| Temperature Range | –40°C to 125°C (AEC Q100 qualification for automotive applications) |
| Timers | Three 32-Bit CPU Timers |
| PWM Modules | Up to 8 Enhanced Pulse-Width Modulator (ePWM) modules, 16 PWM channels total (8 HRPWM-capable) |
| ADC | ADC converts from 0 to 3.3-V fixed full-scale range, supports ratio-metric VREFHI/VREFLO references |
| Analog Comparators | Analog comparators with internal 10-bit references |
Key Features
- High-efficiency 32-bit CPU (TMS320C28x) with 90 MHz clock speed and 11.11-ns cycle time.
- Three 32-bit CPU timers and advanced control peripherals, including up to 8 ePWM modules and 16 PWM channels.
- Internal voltage regulator for single-rail operation.
- Enhanced HRPWM module with dual-edge control (frequency modulation).
- Analog comparators with internal 10-bit references that can be routed directly to control the ePWM outputs.
- ADC with optimized interface for low overhead and latency, supporting ratio-metric VREFHI/VREFLO references.
- Code-compatible with previous C28x-based code, ensuring ease of migration and development.
Applications
- Industrial motor drives
- Solar inverters and digital power
- Electrical vehicles and transportation
- Motor control
- Sensing and signal processing
- Air conditioner outdoor unit control
- Door operator drive control
- Inverter and motor control
Q & A
- What is the clock speed of the TMS320F28069PFPQ?
The clock speed is 90 MHz with an 11.11-ns cycle time.
- What type of package does the TMS320F28069PFPQ come in?
The MCU comes in an HTQFP package with 80 pins, measuring 12.0 mm x 12.0 mm.
- What is the temperature range for the TMS320F28069PFPQ?
The temperature range is –40°C to 125°C, with AEC Q100 qualification for automotive applications.
- What are the key features of the HRPWM module in the TMS320F28069PFPQ?
The HRPWM module supports dual-edge control (frequency modulation) and has up to 8 ePWM modules with 16 PWM channels total (8 HRPWM-capable).
- What kind of analog integration does the TMS320F28069PFPQ offer?
The MCU includes analog comparators with internal 10-bit references and an ADC with optimized interface for low overhead and latency, supporting ratio-metric VREFHI/VREFLO references.
- Is the TMS320F28069PFPQ code-compatible with previous C28x-based code?
Yes, it is code-compatible with previous C28x-based code.
- What are some common applications of the TMS320F28069PFPQ?
Common applications include industrial motor drives, solar inverters, electrical vehicles, motor control, and sensing and signal processing.
- Does the TMS320F28069PFPQ have an internal voltage regulator?
Yes, it has an internal voltage regulator for single-rail operation.
- How much flash memory does the TMS320F28069PFPQ have?
The MCU has 256 KB of flash memory.
- What is the significance of the CLA in the TMS320F28069PFPQ?
The Control Law Accelerator (CLA) enhances the processing capabilities for control algorithms, improving overall system performance.
