Overview
The TMS320F28075PTPQ is a 32-bit floating-point microcontroller from Texas Instruments, part of the C2000™ microcontroller family. This device is optimized for real-time control applications, particularly in industrial motor drives, solar inverters, digital power systems, electrical vehicles, and sensing and signal processing. The microcontroller is based on TI's industry-leading C28x core, enhanced with a trigonometric hardware accelerator (TMU) and a Programmable Control Law Accelerator (CLA), which significantly improves the performance of trigonometric-based algorithms and real-time control systems.
Key Specifications
| Parameter | Description |
|---|---|
| Device | TMS320F28075PTPQ |
| Family | C2000 Real-Time Microcontrollers |
| Architecture | 32-bit RISC |
| Core | C28x |
| Clock Speed | Up to 120 MHz |
| Flash Memory | 512 KB (ECC-protected) |
| RAM | 100 KB (ECC-protected or parity-protected) |
| Analog-to-Digital Converter (ADC) | 16-ch, 12-bit, up to 12.5 MSPS |
| Digital-to-Analog Converter (DAC) | 2-ch, 12-bit |
| PWM Modules | ePWM, up to 8 channels |
| Quadrature Encoder Interface (QEI) | Yes |
| Serial Communication Interfaces (SCI) | Up to 4 channels |
| Serial Peripheral Interface (SPI) | Up to 3 high-speed (up to 30MHz) SPI ports |
| I2C Interface | Yes, 2 channels |
| CAN Interface | 2 channels (ISO 11898-1/CAN 2.0B-compliant) |
| Watchdog Timer | Yes |
| Operating Temperature Range | -40°C to +105°C |
| Package Type | HLQFP (176-pin PowerPAD™ Thermally Enhanced Low-Profile Quad Flatpack) |
| Pin Count | 176 |
Key Features
- TMS320C28x 32-bit CPU: Operates at up to 120 MHz with IEEE 754 single-precision Floating-Point Unit (FPU) and Trigonometric Math Unit (TMU).
- Programmable Control Law Accelerator (CLA): An independent 32-bit floating-point processor that executes code concurrently with the main CPU, enhancing real-time control performance.
- On-chip Memory: 512 KB of ECC-protected flash memory and 100 KB of ECC-protected or parity-protected RAM.
- System Peripherals: Includes External Memory Interface (EMIF) with ASRAM and SDRAM support, 6-channel Direct Memory Access (DMA) controller, and up to 97 individually programmable GPIO pins.
- Communications Peripherals: Features USB 2.0 (MAC + PHY), two CAN modules, three high-speed SPI ports, two Multichannel Buffered Serial Ports (McBSPs), four Serial Communications Interfaces (SCI/UART), and two I2C interfaces.
- Power and Clock Management: Includes two internal zero-pin 10-MHz oscillators, an on-chip crystal oscillator, and a windowed watchdog timer module. Supports 3.3V I/O with an available internal voltage regulator for 1.2V core supply.
- Safety and Security Features: Dual-zone security supporting third-party development, unique identification number, and safety-related certifications such as IEC 61508 up to SIL 3 and ISO 26262 up to ASIL B.
Applications
- Industrial Motor Drives: Optimized for advanced closed-loop control in industrial motor drive applications.
- Solar Inverters and Digital Power: Suitable for high-performance digital power and solar inverter systems.
- Electrical Vehicles and Transportation: Used in electric vehicle and transportation systems requiring real-time control and high computational performance.
- Sensing and Signal Processing: Ideal for applications involving complex sensing and signal processing tasks.
Q & A
- What is the core architecture of the TMS320F28075PTPQ?
The TMS320F28075PTPQ is based on the 32-bit C28x core from Texas Instruments.
- What is the maximum clock speed of the TMS320F28075PTPQ?
The maximum clock speed is up to 120 MHz).
- What type of floating-point unit does the TMS320F28075PTPQ have?
The device features an IEEE 754 single-precision Floating-Point Unit (FPU)).
- What is the Programmable Control Law Accelerator (CLA) and its role?
The CLA is an independent 32-bit floating-point processor that executes code concurrently with the main CPU, enhancing real-time control performance).
- How much on-chip memory does the TMS320F28075PTPQ have?
The device has 512 KB of ECC-protected flash memory and 100 KB of ECC-protected or parity-protected RAM).
- What communication interfaces are available on the TMS320F28075PTPQ?
The device features USB 2.0, two CAN modules, three high-speed SPI ports, two McBSPs, four SCI/UART, and two I2C interfaces).
- What are the power supply requirements for the TMS320F28075PTPQ?
The device requires a 3.3V I/O supply with an available internal voltage regulator for 1.2V core supply).
- What safety certifications does the TMS320F28075PTPQ have?
The device is certified for IEC 61508 up to SIL 3, ISO 26262 up to ASIL B, and other safety standards).
- What development tools are recommended for the TMS320F28075PTPQ?
Texas Instruments recommends using Code Composer Studio (CCS) for writing and debugging code, along with available libraries and drivers).
- What is the operating temperature range of the TMS320F28075PTPQ?
The operating temperature range is -40°C to +105°C).
