Overview
The Texas Instruments TMS320F28026PTT is a 32-bit microcontroller (MCU) from the C2000™ family, designed for real-time control applications. This MCU features a high-efficiency 32-bit CPU (TMS320C28x) operating at up to 60 MHz with a 16.67-ns cycle time. It is optimized for low-cost and low-power operation, making it suitable for a wide range of industrial and automotive applications. The device includes integrated power-on and brown-out resets, and it operates on a single 3.3-V supply without the need for power sequencing.
Key Specifications
| Specification | Value |
|---|---|
| CPU Type | 32-bit TMS320C28x |
| Operating Frequency | Up to 60 MHz (16.67-ns cycle time) |
| Memory | 32 KB Flash, SARAM, OTP, Boot ROM |
| Package Options | 48-pin PT Low-Profile Quad Flatpack (LQFP) |
| Supply Voltage | 3.3 V (nominal) |
| Temperature Options | T: –40°C to 105°C, S: –40°C to 125°C, Q: –40°C to 125°C (AEC Q100 qualification for automotive applications) |
| GPIO Pins | Up to 22 individually programmable, multiplexed GPIO pins |
| Timers | Three 32-bit CPU timers, independent 16-bit timer in each Enhanced Pulse Width Modulator (ePWM) |
| Serial Peripherals | One SCI (UART), one SPI, one I2C |
| Analog-to-Digital Converter (ADC) | 12-bit ADC with 7 channels, 216.67 ns conversion time |
| Enhanced Control Peripherals | ePWM, HRPWM, eCAP, on-chip temperature sensor, comparators |
Key Features
- High-efficiency 32-bit CPU with Harvard bus architecture and atomic operations.
- Fast interrupt response and processing with Peripheral Interrupt Expansion (PIE) block.
- Unified memory programming model and code-efficient design in C/C++ and Assembly.
- Integrated power-on and brown-out resets, single 3.3-V supply, and no power sequencing requirement.
- Up to 22 individually programmable, multiplexed GPIO pins with input filtering.
- Enhanced control peripherals including ePWM, HRPWM, eCAP, and ADC.
- On-chip temperature sensor and comparators with integrated DACs.
- Serial port peripherals including SCI (UART), SPI, and I2C.
- Advanced emulation features for real-time debug and analysis.
- Code-security module with 128-bit security key and lock to protect secure memory blocks.
Applications
- Air conditioner outdoor units.
- Inverter and motor control systems.
- Textile machines.
- Micro inverters.
- AC drive power stage modules.
- AC-input and DC-input BLDC motor drives.
- Industrial AC-DC power supplies.
- Three-phase UPS systems.
- Merchant DC/DC, network, and server power supplies.
- Merchant telecom rectifiers.
Q & A
- What is the maximum operating frequency of the TMS320F28026PTT MCU?
The TMS320F28026PTT MCU operates at up to 60 MHz with a 16.67-ns cycle time.
- What types of memory are available on the TMS320F28026PTT?
The MCU includes 32 KB Flash, SARAM, OTP, and Boot ROM.
- What are the package options for the TMS320F28026PTT?
The device is available in a 48-pin PT Low-Profile Quad Flatpack (LQFP) package.
- What is the nominal supply voltage for the TMS320F28026PTT?
The nominal supply voltage is 3.3 V.
- What temperature ranges are supported by the TMS320F28026PTT?
The device supports temperature ranges of –40°C to 105°C (T), –40°C to 125°C (S), and –40°C to 125°C (Q) for automotive applications.
- How many GPIO pins are available on the TMS320F28026PTT?
Up to 22 individually programmable, multiplexed GPIO pins are available.
- What types of timers are included in the TMS320F28026PTT?
The MCU includes three 32-bit CPU timers and independent 16-bit timers in each Enhanced Pulse Width Modulator (ePWM).
- What serial peripherals are supported by the TMS320F28026PTT?
The device supports one SCI (UART), one SPI, and one I2C module.
- What is the resolution and conversion time of the ADC on the TMS320F28026PTT?
The ADC is 12-bit with 7 channels and a conversion time of 216.67 ns.
- Does the TMS320F28026PTT have any security features?
Yes, it includes a code-security module with a 128-bit security key and lock to protect secure memory blocks.
