Texas Instruments TMS320F28075PZPT

Overview

TMS320F28075PZPT from Texas Instruments is a 120MHz C28x 32-bit floating-point real-time microcontroller with IEEE 754 FPU, Trigonometric Math Unit (TMU), and independent 120MHz Control Law Accelerator (CLA). It integrates 512KB ECC-protected flash, 100KB RAM (ECC/parity), three 12-bit ADCs (3.1MSPS each), 24 ePWM channels (16 HRPWM), dual CAN, USB 2.0, and CLB for industrial motor control and solar inverter applications.

For engineers reviewing the TMS320F28075PZPT datasheet, TMS320F28075PZPT pinout, TMS320F28075PZPT application, or TMS320F28075PZPT equivalent, key selection criteria include its 100-pin HTQFP package, -40°C to 105°C temperature grade, dual-zone security, functional safety compliance (ISO 26262 ASIL B, IEC 61508 SIL 2), and hardware-integrated ADC post-processing with windowed comparators and DAC references.

Technical Context

The TMS320F28075PZPT implements a dual-core real-time architecture: the main C28x CPU executes deterministic control loops while the CLA coprocessor handles time-critical tasks like PWM update, ADC result filtering, and fault response-enabling concurrent execution without CPU intervention. Its analog subsystem features three independent 12-bit ADCs with per-channel S/H, hardware-accelerated post-processing (offset calibration, setpoint error, zero-crossing detection), and eight windowed comparators with integrated 12-bit DAC references for sub-microsecond overcurrent trip.

System-level timing is managed by dual zero-pin 10MHz oscillators, on-chip crystal oscillator, and PLL-based clock generation supporting multiple low-power modes with external wakeup. The device uses a dedicated analog power domain (VDDA/VSSA) with separate reference pins (VREFHIA/VREFLOA, VREFHIB/VREFLOB) and supports 3.3V I/O with internal 1.2V core regulation.

Key Specifications

Pinout & Package

100-pin PowerPAD™ Thermally Enhanced Thin Quad Flatpack (HTQFP), 16mm × 16mm body size. Exposed thermal pad must be soldered to PCB ground plane with thermal vias for effective heat dissipation and digital ground return path.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar real-time control applications.

Compared with TMS320F28075PZPT, the TMS320F28076PTP offers expanded I/O and memory for larger systems, while the TMS320F280049CPTP trades performance and peripherals for lower BOM cost-making the TMS320F28075PZPT the optimal balance of integration, safety compliance, and 100-pin footprint for space-constrained inverters and chargers.

Availability

TMS320F28075PZPT is available at Aetrix Electronics and suitable for industrial motor drives, solar power optimizers, and EV charging station power modules requiring stable component supply across extended product lifecycles.

Supply support for TMS320F28075PZPT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and digital signal processing technologies with over 50 years of innovation in industrial and automotive electronics.

The TMS320F28075PZPT belongs to TI's C2000™ real-time microcontroller family, designed specifically for closed-loop control in power electronics-emphasizing deterministic timing, analog integration, and functional safety for motor drives, renewable energy, and transportation systems.

FAQ

What is the operating temperature range for the TMS320F28075PZPT?

The TMS320F28075PZPT is rated for a junction temperature range of –40°C to 105°C (industrial grade, suffix 'T'). This specification is validated per TI's recommended operating conditions and applies to the full 100-pin HTQFP package configuration. Thermal design must ensure the die junction remains within this range under worst-case power dissipation and ambient conditions.

Does the TMS320F28075PZPT support functional safety certification?

Yes, the TMS320F28075PZPT is ISO 26262 certified up to ASIL B and IEC 61508 certified up to SIL 2 by TÜV SÜD. Hardware integrity meets ASIL B/SIL 2 requirements, and TI provides functional safety documentation-including FMEDA reports and safety manuals-to support system-level compliance up to ASIL D and SIL 3.

How many ADC channels are accessible on the TMS320F28075PZPT package?

The TMS320F28075PZPT supports three 12-bit ADC modules (ADC-A, ADC-B, ADC-D), but the 100-pin PZP package exposes 14 external analog input channels: ADC-A (6 pins), ADC-B (6 pins), and shared calibration inputs ADCIN14/ADCIN15 (2 pins). ADC-D inputs are not routed to package pins in the PZP variant.

What communication interfaces does the TMS320F28075PZPT include?

The TMS320F28075PZPT integrates dual CAN 2.0B modules, four SCI/UART ports (3 accessible in PZP), three SPI ports (2 accessible), two I2C interfaces, two McBSPs, and a full-speed USB 2.0 port with integrated PHY. All interfaces support pin-bootable operation and share multiplexed GPIO resources per TI's signal description table.

Is the CLA coprocessor in the TMS320F28075PZPT independent of the main CPU?

Yes, the CLA in the TMS320F28075PZPT is a fully independent 32-bit floating-point processor running at 120MHz. It executes code triggered by peripheral events (e.g., ADC end-of-conversion, PWM timer overflow) without CPU intervention, sharing only message RAM and access to common peripherals-enabling true parallel real-time control execution.