TMS320F28335PGFA – Texas Instruments C2000™ 32-bit Delfino™ Microcontroller / Digital Signal Controller

Product Overview

The TMS320F28335PGFA is a C2000™ 32-bit real-time microcontroller / digital signal controller manufactured by Texas Instruments. It belongs to TI’s Delfino™ C2000 family, designed for high-performance real-time control, digital power conversion, motor control, industrial automation, renewable energy, and precision signal-processing applications.

This device is based on TI’s C28x 32-bit DSP core and runs at up to 150MHz / 150 MIPS. It integrates a floating-point unit (FPU), 512KB Flash, 34K × 16 RAM, 12-bit ADC, advanced PWM resources, communication peripherals, and an external memory interface. TI describes the TMS320F28335 as a C2000™ 32-bit MCU with 150 MIPS, FPU, 512KB Flash, EMIF, and 12-bit ADC. 

The exact TMS320F28335PGFA orderable part is supplied in a 176-pin LQFP package, with an operating temperature range of -40°C to +85°C. DigiKey lists the device as a C28x C2000™ Delfino™ 32-bit microcontroller, 150MHz, 512KB Flash, 34K × 16 RAM, 16 × 12-bit ADC, and 176-LQFP package. 

Part Number Breakdown

Competitive Advantages

✔ C2000™ Delfino™ real-time control platform

✔ 150MHz / 150 MIPS C28x 32-bit core

✔ Integrated floating-point unit / FPU

✔ 512KB Flash program memory

✔ 34K × 16 RAM

✔ 16-channel 12-bit ADC

✔ Rich communication interfaces: CAN, I²C, McBSP, SCI/UART, SPI

✔ External memory interface support

✔ 176-pin LQFP package for high-I/O industrial designs

✔ Suitable for motor control, digital power, inverters, industrial automation, renewable energy, and real-time signal processing

Key Features

1. 150MHz C28x 32-bit Real-Time Control Core

The TMS320F28335PGFA uses TI’s C28x 32-bit core, optimized for deterministic real-time control and DSP-oriented control algorithms.

Benefits:

• Suitable for high-speed control loops
• Strong fit for motor drives and power conversion
• Supports deterministic timing in real-time systems
• Provides DSP-style performance for embedded control

2. Integrated Floating-Point Unit

The device includes an FPU, allowing efficient floating-point math execution in control and signal-processing applications. TI identifies the TMS320F28335 as a C2000 MCU with FPU. 

Benefits:

• Simplifies control algorithm development
• Improves performance for floating-point calculations
• Useful for motor-control, inverter, and DSP algorithms
• Reduces need to manually optimize fixed-point math

3. 512KB On-Chip Flash

The TMS320F28335PGFA includes 512KB Flash memory, organized as 256K × 16 according to DigiKey’s product listing. 

Benefits:

• Stores complex embedded control firmware
• Suitable for standalone real-time control systems
• Supports boot code, control loops, communication stacks, and diagnostics
• Reduces need for external program memory in many designs

4. 34K × 16 On-Chip RAM

DigiKey lists the exact part with 34K × 16 RAM. 

Benefits:

• Provides fast working memory for control algorithms
• Useful for ADC buffers, PWM calculations, and communication buffers
• Supports real-time data processing
• Helps reduce external memory dependency

5. 16-Channel 12-bit ADC

The device includes a 12-bit ADC, with DigiKey listing 16 × 12-bit A/D channels for the exact part. 

Benefits:

• Suitable for current and voltage sensing
• Useful in motor-control and digital power systems
• Supports sensor acquisition and feedback loops
• Enables closed-loop control with analog inputs

6. Advanced PWM and Real-Time Control Peripherals

The TMS320F28335 family is part of TI’s C2000 real-time control platform, commonly used for PWM-driven control systems such as motor drives, inverters, power supplies, and converters.

Benefits:

• Supports precise PWM generation
• Enables multi-phase power control
• Suitable for BLDC, PMSM, AC induction, and servo control
• Useful for digital power and inverter switching stages

7. Communication Interface Set

The device supports common embedded communication interfaces, including CAN, I²C, McBSP, SCI/UART, and SPI. DigiKey lists connectivity as CANbus, I²C, McBSP, SCI, and SPI. 

Benefits:

• Easy connection to sensors and peripheral ICs
• Supports industrial communication networks
• Useful for motor-control and power-control systems
• Enables system monitoring, diagnostics, and firmware communication

8. 176-Pin LQFP Package

The PGFA package option uses a 176-pin LQFP package. DigiKey lists the supplier package as 176-LQFP, 24mm × 24mm. 

Benefits:

• Easier PCB assembly and inspection than BGA packages
• Suitable for industrial control boards
• Provides high pin count for control and communication signals
• Practical for prototyping, debugging, and production systems

Applications

Motor Control

• PMSM motor drives
• BLDC motor controllers
• AC induction motor drives
• Servo control systems
• Industrial motion control

Digital Power Conversion

• DC/DC converters
• AC/DC power supplies
• Power factor correction systems
• UPS control systems
• Multi-phase power converters

Renewable Energy Systems

• Solar inverters
• Energy storage converters
• Grid-tied inverter control
• Battery power conversion
• Wind power control systems

Industrial Automation

• PLC control modules
• Factory automation systems
• Industrial drives
• Process control equipment
• Real-time control platforms

Signal Processing and Instrumentation

• Data acquisition systems
• Measurement and control equipment
• Sensor processing
• High-speed feedback control
• Embedded DSP applications