Overview
The TMS320F28374S, produced by Texas Instruments, is a high-performance 32-bit microcontroller from the C2000™ family. This MCU is designed for advanced closed-loop control applications, including industrial motor drives, solar inverters, digital power, electrical vehicles, and sensing and signal processing. The device features a TMS320C28x 32-bit CPU operating at 200 MHz, along with a Trigonometric Math Unit (TMU) and a Viterbi/Complex Math Unit (VCU-II) to enhance computational performance. Additionally, it includes a Programmable Control Law Accelerator (CLA) that runs independently of the main CPU, further boosting real-time control capabilities.
Key Specifications
| Specification | Details |
|---|---|
| Processor | TMS320C28x 32-bit CPU, 200 MHz |
| Accelerators | IEEE 754 single-precision Floating-Point Unit (FPU), Trigonometric Math Unit (TMU), Viterbi/Complex Math Unit (VCU-II) |
| Control Law Accelerator (CLA) | 200 MHz, independent 32-bit floating-point processor |
| Memory | Up to 512 KB (256 KW) of flash memory (ECC-protected), up to 132 KB (66 KW) of RAM (ECC-protected or parity-protected) |
| Analog Peripherals | Four independent 16-bit ADCs, 12-bit ADCs, three 12-bit buffered DAC outputs, Comparator Subsystem (CMPSS) |
| Control Peripherals | 24 PWM channels, 16 High-Resolution Pulse Width Modulator (HRPWM) channels, six Enhanced Capture (eCAP) modules, three Enhanced Quadrature Encoder Pulse (eQEP) modules |
| Communication Peripherals | Controller Area Network (CAN), Inter-Integrated Circuit (I2C), Multichannel Buffered Serial Port |
| Package Options | 337-ball New Fine Pitch Ball Grid Array (nFBGA), 176-pin PowerPAD™ Thermally Enhanced Low-Profile Quad Flatpack (HLQFP), 100-pin PowerPAD Thermally Enhanced Thin Quad Flatpack (HTQFP) |
| Temperature Range | -40°C to 105°C junction (T), -40°C to 125°C junction (S), -40°C to 125°C free-air (Q) |
Key Features
- High-Performance CPU and Accelerators: The TMS320C28x 32-bit CPU, TMU, and VCU-II provide high computational performance for real-time control applications.
- Independent CLA: The Programmable Control Law Accelerator (CLA) runs at 200 MHz and executes code independently of the main CPU, enhancing real-time control capabilities.
- Advanced Analog Peripherals: Includes four independent 16-bit ADCs, 12-bit ADCs, and three 12-bit buffered DAC outputs, along with a Comparator Subsystem (CMPSS) for precise analog signal management.
- Enhanced Control Peripherals: Features 24 PWM channels, 16 High-Resolution Pulse Width Modulator (HRPWM) channels, six Enhanced Capture (eCAP) modules, and three Enhanced Quadrature Encoder Pulse (eQEP) modules.
- Functional Safety Compliance: Developed for functional safety applications, compliant with ISO 26262 up to ASIL D, IEC 61508 up to SIL 3, and other safety standards.
- Security Features: Dual-zone security supporting third-party development and unique identification number for code protection.
Applications
- Industrial Motor Drives: Suitable for high-performance motor control in industrial settings.
- Solar Inverters and Digital Power: Ideal for solar power optimization and digital power conversion systems.
- Electrical Vehicles and Transportation: Used in electric vehicle charging stations and on-board chargers.
- Automated Sorting Equipment: Applied in automated sorting and CNC control systems.
- HVAC and Large Commercial Motor Control: Used in heating, ventilation, and air conditioning systems and large commercial motor control.
- Energy Storage and Power Conversion Systems: Utilized in energy storage power conversion systems and central inverters.
Q & A
- What is the primary CPU of the TMS320F28374S?
The primary CPU is the TMS320C28x 32-bit CPU, operating at 200 MHz.
- What accelerators are included in the TMS320F28374S?
The device includes a Trigonometric Math Unit (TMU), a Viterbi/Complex Math Unit (VCU-II), and a Programmable Control Law Accelerator (CLA).
- How much flash and RAM memory does the TMS320F28374S have?
It has up to 512 KB (256 KW) of flash memory and up to 132 KB (66 KW) of RAM.
- What are the key analog peripherals of the TMS320F28374S?
The device features four independent 16-bit ADCs, 12-bit ADCs, three 12-bit buffered DAC outputs, and a Comparator Subsystem (CMPSS).
- What are the package options for the TMS320F28374S?
The device is available in 337-ball New Fine Pitch Ball Grid Array (nFBGA), 176-pin PowerPAD™ Thermally Enhanced Low-Profile Quad Flatpack (HLQFP), and 100-pin PowerPAD Thermally Enhanced Thin Quad Flatpack (HTQFP).
- What temperature ranges are supported by the TMS320F28374S?
The device supports temperature ranges from -40°C to 105°C junction (T), -40°C to 125°C junction (S), and -40°C to 125°C free-air (Q).
- Is the TMS320F28374S compliant with any functional safety standards?
Yes, it is compliant with ISO 26262 up to ASIL D, IEC 61508 up to SIL 3, and other safety standards.
- What security features does the TMS320F28374S offer?
The device features dual-zone security supporting third-party development and a unique identification number for code protection.
- What are some common applications of the TMS320F28374S?
Common applications include industrial motor drives, solar inverters, electrical vehicles, automated sorting equipment, and HVAC large commercial motor control.
- How does the CLA enhance the performance of the TMS320F28374S?
The CLA runs independently of the main CPU, executing code concurrently and thus effectively doubling the computational performance of the real-time control system.
