TMS320F28021PTT 32-bit Real-Time Control MCU (PTT package)

TMS320F28021PTT Overview

The TMS320F28021PTT is a single?core, 32?bit control MCU optimized for deterministic real?time tasks in motor control and power conversion. It combines a control?oriented CPU with integrated analog and timing peripherals to reduce system parts count and speed time?to?market. The compact PTT package supports board?space?sensitive designs and simplifies assembly for automotive, industrial drives, and digital power applications. For sourcing and additional ordering details, visit IC Manufacturer.

TMS320F28021PTT Technical Specifications

TMS320F28021PTT Key Features

• Single core 32?bit C28x CPU for deterministic control loops and consistent latency in real?time control.
• Integrated 12?bit ADC with multiple channels to capture multiple phase currents or voltages simultaneously, which matters for accurate closed?loop control.
• Multiple ePWM modules to generate high?resolution PWM signals for multi?phase motor drives, improving torque control and efficiency.
• On?chip Flash and SRAM that enable compact firmware storage and low?latency data processing without external memory, improving board integration.
• Standard serial interfaces (SPI/I2C/UART) for fast configuration, telemetry, and communication with sensors and supervisory controllers.
• Industrial temperature range and 3.3 V operation suited for robust deployments in factory automation and power electronics.

Typical Applications

• Brushless DC and 3?phase motor control systems requiring precise PWM generation and phase current sampling for smooth torque and speed regulation.
• Digital power supplies and inverters where compact MCU integration reduces BOM cost and delivers fast ADC sampling for closed?loop voltage and current regulation.
• Industrial automation controllers that demand deterministic real?time control, reliable communications, and compact packaging for space?constrained panels.
• Embedded motor drives for HVAC and home appliances where cost, integration, and robust temperature performance are key design drivers.

TMS320F28021PTT Advantages vs Typical Alternatives

The device combines a dedicated 32?bit control core with on?chip analog and timing peripherals to deliver tighter integration than many general?purpose MCUs. With multiple ePWM modules and a 12?bit ADC, it offers more direct motor?control functionality than simpler microcontrollers, and it requires fewer external components than solutions that separate ADCs or PWM generators. The compact PTT package further reduces board area compared with larger packages while preserving interface density and industrial temperature operation.

TMS320F28021PTT Brand Info

The TMS320F28021PTT is part of the Texas Instruments C2000 family of real?time microcontrollers. Texas Instruments supplies industrial?grade mixed?signal MCUs focused on motor control, digital power, and real?time embedded systems, backed by extensive development tools, application notes, and reference designs tailored to power electronics and motor drive engineers.

FAQ

What core does this MCU use?

The device uses a single 32?bit C28x control core designed for deterministic, low?latency control loops common in motor and power electronics applications.

Is there on?chip flash and RAM?

Yes. The MCU includes on?chip Flash memory for program storage and SRAM for data and stack usage, enabling compact system designs without external program memory.

How many PWM modules are available?

There are multiple dedicated ePWM modules on?chip to drive multi?phase inverters and motor stages, allowing independent PWM channels for synchronized motor control.

What ADC capability is provided?

The integrated ADC is a 12?bit converter with several input channels, suitable for sampling phase currents, voltages, and analog sensors in closed?loop control systems.

Which interfaces support communication?

The MCU provides standard serial interfaces such as SPI, I2C, and UART to connect sensors, gate drivers, configuration hosts, and telemetry links in industrial and embedded systems.