TMS320F28235PGFA 32-bit Digital Signal Controller (PGFA package)

TMS320F28235PGFA Overview

The TMS320F28235PGFA is a high-performance 32-bit digital signal controller optimized for industrial control and power-conversion systems. It combines a single C28x core and a rich set of integrated peripherals to simplify motor control, digital power, and real-time closed-loop applications. Designers can leverage precise PWM, high-resolution ADC inputs, and deterministic timers to cut component count and reduce development time. For sourcing and datasheet access, see IC Manufacturer.

TMS320F28235PGFA Technical Specifications

TMS320F28235PGFA Key Features

• Single-core 32-bit C28x processor for deterministic real-time control and fast interrupt handling.
• Integrated high-resolution ADCs so engineers get accurate sensor feedback for tight control loops.
• Multiple PWM channels that enable multi-phase motor drives and isolated power stages with fewer external components.
• On-chip flash and RAM to reduce BOM and board area while speeding up system prototyping.

Typical Applications

• Motor control for industrial servo drives and three-phase inverters where precise PWM timing and fast ADC conversion improve torque control and efficiency.
• Digital power supplies, such as UPS and solar inverters, requiring accurate sampling, fast control loops, and integrated PWM to reduce external analog components.
• Factory automation controllers that need deterministic execution, multiple analog inputs, and PWM outputs for actuators and sensors in tight control loops.
• Embedded real-time control nodes in distributed energy management systems where integrated memory and peripherals reduce board-level complexity and cost.

TMS320F28235PGFA Advantages vs Typical Alternatives

The device provides a compact combination of a 32-bit C28x core, on-chip flash and RAM, and multiple analog and PWM peripherals. Compared to generic microcontrollers, it delivers more deterministic control timing and higher-resolution ADC integration. Compared to discrete solutions, it reduces external component count and simplifies PCB layout. For engineers focused on motor and power conversion, this integration translates into shorter development cycles and lower BOM, while maintaining precise control timing and reliable operation under industrial temperatures.

TMS320F28235PGFA Brand Info

The device is produced by Texas Instruments, a leading semiconductor company known for analog and embedded processing solutions. As part of TI??s real-time control portfolio, this part targets industrial and automotive grade control systems and pairs with TI development tools and reference designs to accelerate evaluation and deployment.

FAQ

What core architecture does it use?

The device uses a single 32-bit C28x CPU core designed for deterministic, low-latency control tasks and efficient fixed-point arithmetic typical in motor and power applications.

What voltage does the device require?

Standard operation is at a 3.3 V supply domain. Designers should follow the official datasheet guidance for recommended decoupling and power sequencing to ensure reliable operation.

How many ADC channels are available?

The part provides multiple 12-bit ADC channels to support simultaneous sampling of sensors and current-sense inputs, enabling high-fidelity feedback for fast control loops.

Is there on-chip nonvolatile memory?

Yes, the device includes on-chip flash memory for code storage. This reduces the need for external program memory and simplifies firmware deployment for embedded systems.

Which package should I order for prototyping?

The PGF suffix indicates a 100-pin LQFP package suitable for prototyping and evaluation boards. Confirm package availability and exact pinout in the official datasheet before PCB layout.