Overview
The TMS320F28075PZPQ is a 32-bit floating-point microcontroller from Texas Instruments, part of the C2000™ microcontroller family. It is based on TI's industry-leading C28x core and is optimized for real-time control applications. This microcontroller is particularly suited for advanced closed-loop control in areas such as industrial motor drives, solar inverters, digital power systems, electrical vehicles, and sensing and signal processing. The device features a Control Law Accelerator (CLA) real-time control coprocessor, which is an independent 32-bit floating-point processor that runs concurrently with the main C28x CPU, enhancing computational performance for time-critical functions.
Key Specifications
| Specification | Value |
|---|---|
| Core | 32-bit C28x core with floating-point unit (FPU) and trigonometric hardware accelerator |
| Maximum Clock Frequency | 120 MHz |
| Flash Memory | Up to 512KB (256KW) with ECC protection |
| SRAM | Up to 100KB (50KW) with parity |
| ADC Resolution | 2 x 12-bit ADCs |
| DAC Resolution | 3 x 12-bit DACs |
| Number of I/Os | 41 I/Os |
| Supply Voltage Range | 1.14 V to 3.3 V |
| Operating Temperature Range | -40°C to 125°C (junction temperature for automotive qualification) |
| Package Type | 100-pin PZP PowerPAD Thermally Enhanced Thin Quad Flatpack |
Key Features
- Control Law Accelerator (CLA): An independent 32-bit floating-point processor that runs concurrently with the main C28x CPU, enhancing performance for time-critical functions.
- Trigonometric Hardware Accelerator: Improves performance of trigonometric-based algorithms with CPU instructions such as sine, cosine, and arctangent functions.
- Analog Subsystem: Includes up to three 12-bit ADCs, eight windowed comparator subsystems (CMPSSs), and three 12-bit DACs.
- Precision Control Peripherals: Enhanced pulse width modulators (ePWMs) with fault protection, eQEP peripherals, and eCAP units.
- Connectivity Peripherals: Dual Controller Area Network (CAN) modules (ISO 11898-1/CAN 2.0B compliant) and a USB 2.0 port with MAC and full-speed PHY.
- Security Features: Two independent security zones for 128-bit code protection of the main C28x core.
Applications
- Industrial Motor Drives: Advanced closed-loop control for industrial motor drives.
- Solar Inverters and Digital Power: High-performance control for solar inverters and digital power systems.
- Electrical Vehicles and Transportation: Real-time control for electrical vehicles and transportation systems.
- Sensing and Signal Processing: Advanced sensing and signal processing capabilities.
Q & A
- What is the core architecture of the TMS320F28075PZPQ microcontroller?
The TMS320F28075PZPQ is based on TI's 32-bit C28x core with a floating-point unit (FPU) and a trigonometric hardware accelerator.
- What is the maximum clock frequency of the TMS320F28075PZPQ?
The maximum clock frequency is 120 MHz.
- How much flash memory and SRAM does the TMS320F28075PZPQ have?
The device has up to 512KB (256KW) of ECC-protected flash memory and up to 100KB (50KW) of SRAM with parity.
- What are the key features of the analog subsystem in the TMS320F28075PZPQ?
The analog subsystem includes up to three 12-bit ADCs, eight windowed comparator subsystems (CMPSSs), and three 12-bit DACs.
- What connectivity options are available on the TMS320F28075PZPQ?
The device features dual CAN modules (ISO 11898-1/CAN 2.0B compliant) and a USB 2.0 port with MAC and full-speed PHY.
- What is the purpose of the Control Law Accelerator (CLA) in the TMS320F28075PZPQ?
The CLA is an independent 32-bit floating-point processor that runs concurrently with the main C28x CPU, enhancing performance for time-critical functions.
- What are the operating temperature ranges for the TMS320F28075PZPQ?
The operating temperature range is -40°C to 125°C (junction temperature for automotive qualification).
- What package type is the TMS320F28075PZPQ available in?
The device is available in a 100-pin PZP PowerPAD Thermally Enhanced Thin Quad Flatpack.
- What are some common applications for the TMS320F28075PZPQ?
Common applications include industrial motor drives, solar inverters, digital power systems, electrical vehicles, and sensing and signal processing.
- How does the trigonometric hardware accelerator improve performance?
The trigonometric hardware accelerator improves performance by enhancing CPU instructions such as sine, cosine, and arctangent functions, which are common in torque loop and position calculations.
