TI TMS320F28335PGFA Digital Signal Controller

Name: TI TMS320F28335PGFA Digital Signal Controller – Manual
Brand: Texas Instruments (TI)

Description

Overview:

The TI TMS320F28335PGFA is a premier member of the C2000™ Delfino™ family, engineered specifically for high-precision real-time control in industrial environments. This Digital Signal Controller (DSC) bridges the gap between digital signal processors (DSPs) and microcontrollers (MCUs) by integrating a 150 MHz 32-bit CPU with a dedicated Floating-Point Unit (FPU). In the demanding energy and manufacturing sectors of Oman and the Middle East, the TMS320F28335PGFA is a critical component in advanced power electronics, motor drives, and renewable energy systems. Seven Star LLC supplies this high-end controller to engineering firms and facilities requiring ultra-fast mathematical computation and robust peripheral integration for mission-critical automation tasks.

Operational Logic and Floating-Point Performance

The operational core of the TI TMS320F28335PGFA is its advanced Harvard architecture, which allows for simultaneous access to program and data memory, significantly increasing throughput. The inclusion of a hardware Floating-Point Unit (FPU) is a transformative feature for industrial logic; it enables the controller to execute complex control algorithms—such as Park and Clarke transformations in motor control—without the overhead of fixed-point scaling. This results in faster development cycles and superior precision in dynamic systems. Operating at 150 MHz, the controller manages multiple high-speed tasks simultaneously, ensuring that critical timing requirements for Pulse Width Modulation (PWM) and Analog-to-Digital conversion (ADC) are met with sub-microsecond latency.

Engineering Design and Peripheral Architecture

Engineering excellence is embedded in the hardware layout of the TI TMS320F28335PGFA. Housed in a 176-pin LQFP package, it provides a vast array of integrated peripherals designed for industrial-grade connectivity and sensing. The controller features 18 PWM channels, including 6 high-resolution PWM (HRPWM) outputs, which are essential for precision power conversion. Its internal 12-bit ADC offers 16 channels with a fast conversion rate, enabling high-fidelity feedback loops. Connectivity is handled through a suite of robust interfaces, including CAN 2.0B, SPI, UART (SCI), and I2C. Seven Star LLC recognizes that reliability is paramount in GCC industrial zones; thus, we offer the PGFA variant, which is rated for extended temperature operation, ensuring stability in high-ambient-temperature control cabinets.

Key Features and Technical Performance

The TI TMS320F28335PGFA offers a comprehensive set of technical advantages for high-end B2B applications. It is equipped with 256KB of integrated Flash memory and 68KB of RAM, providing ample space for complex firmware and real-time data logging. The architecture includes a Direct Memory Access (DMA) controller, which offloads data transfer tasks from the main CPU, further enhancing the system’s real-time responsiveness. Additionally, the device supports advanced security features to protect intellectual property and ensure system integrity. Its high level of integration reduces the overall Bill of Materials (BOM) for industrial projects, as it eliminates the need for separate DSPs and auxiliary communication controllers in most power and control architectures.

Industrial Applications in the Middle East

Seven Star LLC facilitates the supply of the TI TMS320F28335PGFA for diverse high-technology sectors across the region:

Renewable Energy Inverters: High-precision control for solar and wind power inverters, maximizing energy harvest and grid stability in Oman.
Electric Vehicle (EV) Charging: Managing fast-charging power conversion and grid communication in modern GCC transportation infrastructure.
Advanced Industrial Drives: Providing field-oriented control (FOC) for high-efficiency motors used in refineries and manufacturing plants.
Uninterruptible Power Supplies (UPS): Implementing high-speed switching logic for mission-critical power protection in data centers.
Aerospace and Defense: Reliable real-time data acquisition and control in specialized telemetric and positioning systems.

Technical Specifications Table

Specification	Technical Data
CPU Clock Speed	150 MHz (32-Bit)
Architecture	C28x Floating-Point Unit (FPU)
Flash Memory	256 KB
SRAM	68 KB
ADC Channels	16-Channel, 12-Bit, 80 ns Conversion
PWM Outputs	18 Channels (6 High-Resolution)
Communication	2x CAN, 3x SCI, 2x McBSP, 1x SPI, 1x I2C
Operating Temperature	-40°C to +125°C
Package Type	176-Pin LQFP (PGFA)
Operating Voltage	1.8V Core / 3.3V I/O

Selecting and Identifying the Correct Device

When ordering a replacement or production quantity, confirm the full orderable part number printed on the package top marking and on the reel or tray label. The “PGFA” suffix encodes both the 176-pin LQFP package and the temperature grade, so check it against the ordering table in the TI datasheet to confirm the grade suits your cabinet conditions. Devices from the same family with different suffixes, such as the ZJZ ball-grid-array versions or commercial-temperature grades, are not drop-in replacements on an existing PCB even though they run the same firmware.

Check the package type against the PCB footprint before release to assembly.
Compare the silicon revision letter with the one qualified in your design, as errata differ between revisions.
Keep moisture-sensitive parts in their dry-pack until reflow and follow the MSL label on the bag.

Design-In and Commissioning Notes

Most field problems with C2000 controllers trace back to power sequencing, clock and boot configuration rather than the silicon itself. During board bring-up, verify that the 1.8 V core and 3.3 V I/O rails come up cleanly, that the external oscillator or crystal is stable, and that the boot-mode pins are strapped for the intended source (Flash, SCI or another loader). A JTAG emulator connected through Code Composer Studio allows Flash programming, real-time watch windows and step debugging of the control loop.

Firmware and Control Loop Validation

Before closing a current or speed loop on real power hardware, test the PWM dead-band and trip-zone settings with the power stage de-energised, then confirm the ADC sampling is synchronised to the PWM carrier. The floating-point unit simplifies tuning, but loop timing should still be measured on a GPIO toggle with an oscilloscope to confirm the interrupt fits comfortably within the switching period.

Troubleshooting in the Field

Controller does not boot: check boot-mode pin levels, reset circuit and watchdog configuration.
Erratic ADC readings: review analog ground routing, reference decoupling and acquisition window length.
CAN bus errors: confirm bit timing, 120 Ω termination at both ends and transceiver supply.
Intermittent resets in hot panels: check supply ripple and cabinet ventilation, especially in summer conditions across Oman.

Sourcing from Seven Star LLC

Seven Star LLC supplies the TI TMS320F28335PGFA to OEMs, drive repair workshops and system integrators in Oman and across the GCC. We can help match the correct package and temperature grade for repair of existing inverter, UPS and drive control boards, and supply supporting components on the same enquiry. Send the part marking or the board reference and our team will confirm availability and lead time.

Request a Quote for TI TMS320F28335PGFA Digital Signal Controller

Seven Star LLC is a specialized supplier of Texas Instruments high-performance controllers in Oman and the Middle East. For a formal quotation or to request the technical datasheet for the TI TMS320F28335PGFA Digital Signal Controller, contact our engineering sales department today.

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About brand

Texas Instruments (TI) is an American semiconductor company headquartered in Dallas, Texas. It began in 1930 as Geophysical Service Inc. and took the Texas Instruments name in 1951; TI engineer Jack Kilby demonstrated the first integrated circuit in 1958. TI makes analog chips and embedded processors, including C2000 real-time microcontrollers used in motor control and power conversion.

Seven Star LLC is an independent supplier in Muscat. We list TI controllers needed for repair and production of control electronics in Oman and the GCC.

Texas Instruments (TI) company profile

Origins	1930, Geophysical Service Inc.
Name	Texas Instruments, since 1951
Headquarters	Dallas, Texas
Key invention	Integrated circuit, 1958 (Jack Kilby)
Product families	C2000 TMS320F28x real-time MCUs, analog and power management ICs, MSP430 and Sitara processors

Milestones

1930: Geophysical Service Inc. is founded.
1951: The company becomes Texas Instruments.
1958: Jack Kilby demonstrates the integrated circuit.

Texas Instruments product series

C2000 devices include the TMS320F28335PGFA digital signal controller, the TMS320F28069PZT real-time microcontroller and the TMS320F28377DPTPT dual-core real-time MCU.

The package suffix (for example PGFA or PZT) defines the package, pin count and temperature range, so it must match the board. Devices may also need programming with the correct firmware before use.

Where TI controllers are used

Motor drives, solar inverters, UPS, power supplies and digital control boards in industrial equipment.

Texas Instruments (TI) products we list

Family	Examples
Controllers & Data Acquisition	TI TMS320F28069PZT C2000 Real-Time Micro…, TI TMS320F28335PGFA Digital Signal Contr…, TI TMS320F28377DPTPT Dual-Core C2000 Rea…

Ordering TI parts: what we need

Send the full part number including suffix, quantity and any date code or packaging requirement.

Facts checked against Texas Instruments' published company history, October 2026.

Browse Texas Instruments (TI) products by category: Controllers & Data Acquisition.

Frequently Asked Questions

What makes the TI TMS320F28335PGFA different from standard microcontrollers?

The TI TMS320F28335PGFA is a Digital Signal Controller that combines the high-speed mathematical processing power of a DSP with the rich peripheral set of a microcontroller, specifically for real-time control.

Does this controller support floating-point mathematics?

Yes, the TMS320F28335PGFA features a dedicated 32-bit hardware Floating-Point Unit (FPU), which significantly simplifies the programming of complex control algorithms and increases accuracy.

Is the TMS320F28335PGFA suitable for high-temperature environments in Oman?

The PGFA variant is designed for industrial applications and is rated for temperatures up to 125°C, making it highly reliable for use in the demanding environmental conditions of the Middle East.

How many PWM channels are available for motor control?

This controller provides 18 PWM channels, including specialized high-resolution PWM outputs, allowing for the precise control of multiple motors or complex power stages from a single chip.

Can Seven Star LLC provide technical datasheets for this TI component?

As a professional industrial supplier, Seven Star LLC provides full technical documentation and datasheets for the TI TMS320F28335PGFA to support your engineering and design teams.

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