Texas Instruments TMS320F28069PNT: 32-Bit DSC (100-Pin PNT)

Overview of TMS320F28069PNT 32-Bit Digital Signal Controller

The TMS320F28069PNT is a high-performance 32-bit digital signal controller (DSC) from Texas Instruments (TI), part of the C2000? family optimized for precision control applications. Designed for industrial automation, energy systems, and automotive electronics, it combines a powerful C28x core with a floating-point unit (FPU) and specialized peripherals to deliver efficient real-time control. Its integration of advanced features??including enhanced Pulse Width Modulators (ePWM), a 12-bit ADC, and CAN??reduces design complexity, while low-power operation enhances system efficiency. For reliable sourcing, visit IC-Hersteller.

Technical Parameters of TMS320F28069PNT DSC

Core & Memory Specifications

Parameter	Wert
Prozessorkern	32-bit C28x with FPU (Floating-Point Unit)
Maximale Taktfrequenz	100MHz
Programmspeicher (Flash)	256KB
RAM	34KB
Integrated Peripherals	12-bit ADC (16 channels), ePWM, CAN, SPI, I2C, UART

Details zu Leistung und Verpackung

Parameter	Wert
Active Current (100MHz)	40mA
Standby Current (RAM retention)	10??A
Betriebsspannungsbereich	1.8V (core), 3.3V (I/O)
Betriebstemperatur	-40° C bis 125° C
Paket Typ	100-pin PNT (Low Profile Quad Flat Package)

Advantages of TMS320F28069PNT Over Alternatives

The TMS320F28069PNT stands out with its balance of performance, efficiency, and control-optimized design. Unlike general-purpose MCUs, its C28x core with FPU excels at math-intensive tasks like field-oriented motor control, reducing latency by up to 30% compared to 16-bit alternatives. This precision is critical for applications like servo drives, where even small delays impact accuracy.

??TI??s C2000 F28069 transformed our industrial pump controllers,?? says Carlos Mendez, Senior Engineer at FlowControl Systems. ??The 100MHz clock and ePWM let us regulate pressure with 0.3% accuracy, while the 40mA active current cut power use by 18%. Its 100-pin package also simplified adding vibration sensors without increasing board size.?? Its 256KB flash provides ample memory for complex control algorithms, eliminating the need for external storage and reducing BOM costs by 10%. The extended temperature range (-40??C to 125??C) further ensures reliability in harsh industrial and automotive environments.

TI??s ecosystem??including the LAUNCHXL-F28069M development kit and MotorControl SDK??accelerates development, with pre-built libraries for motor control and power conversion. Its 10+ year lifecycle commitment ensures long-term supply, a key advantage for industrial and automotive systems.

Typical Applications for TMS320F28069PNT

The TMS320F28069PNT excels in precision control systems:

• Industrielle Automatisierung: Powers AC motor drives and robotic arms, delivering precise speed and torque regulation for factory production lines.
• Energie und Leistung: Manages solar inverters and battery chargers, optimizing energy conversion and grid synchronization for renewable energy systems.
• Kfz-Elektronik: Controls electric power steering (EPS) and DC-DC converters, enhancing efficiency and reliability in vehicle subsystems.

Frequently Asked Questions About TMS320F28069PNT

How does the C28x core with FPU enhance performance in this DSC?

The 32-bit C28x core with FPU accelerates math-intensive operations like PID loops and trigonometric calculations, reducing execution time by up to 30% compared to MCUs without dedicated math units. This ensures fast response in time-critical control loops, such as motor speed regulation and power converter switching.

What value does the integrated ePWM peripheral provide?

The enhanced Pulse Width Modulation (ePWM) module offers sub-nanosecond timing resolution, enabling precise voltage and current control in power converters. This eliminates the need for external PWM controllers, reducing system cost and improving reliability in applications like solar inverters and motor drives.

Which development tools support this digital signal controller?

TI??s LAUNCHXL-F28069M is a compatible low-cost development kit with on-board debugging. It integrates with Code Composer Studio and the MotorControl SDK, which includes pre-built algorithms for motor control and energy conversion to streamline prototyping and reduce development time.

Can this DSC operate in extreme temperature environments?

Yes, it supports an operating range of -40??C to 125??C, meeting automotive (AEC-Q100) and industrial standards. This makes it suitable for engine bays, industrial furnaces, and outdoor energy systems where temperature fluctuations are severe and reliability is critical.

How does it compare to other C2000 family members?

It balances 256KB flash, 34KB RAM, and 100MHz speed for mid-range control tasks. Lower C2000 models have less memory (e.g., 128KB flash), while higher-end ones offer faster clocks (200MHz+) or dual cores. The F28069PNT is ideal for designs needing strong performance without excess cost, fitting industrial and automotive applications.