Texas Instruments TMS320F28035MPNTEP

Overview

TMS320F28035MPNTEP from Texas Instruments is a radiation-tolerant, extended-temperature Piccolo™ microcontroller featuring a 60-MHz C28x CPU, a 32-bit floating-point programmable Control Law Accelerator (CLA), and integrated high-resolution PWM (HRPWM), ePWM, eCAP, eQEP, ADC, comparators, and multiple serial interfaces (SCI, SPI, I²C, LIN, eCAN). It operates from a single 3.3-V supply across –55°C to +125°C and targets motor control in aerospace powertrain systems.

For engineers reviewing the TMS320F28035MPNTEP datasheet, TMS320F28035MPNTEP pinout, TMS320F28035MPNTEP application, or TMS320F28035MPNTEP equivalent, key selection considerations include its CLA offloading capability for real-time control loops, HRPWM dual-edge modulation support, on-chip VREG enabling single-rail operation, and extended-temperature qualification for defense/aerospace deployments.

Technical Context

The TMS320F28035MPNTEP implements a Harvard-architecture C28x 32-bit CPU with atomic operations and fast interrupt response, coupled with a fully independent CLA that executes floating-point control algorithms without CPU intervention. Its memory subsystem includes 64 KB flash (secure), 6 KB SARAM (CLA-accessible), 8 KB boot ROM, and 1 KB OTP.

Peripheral integration centers on deterministic real-time control: seven ePWM modules (each with HRPWM), three eCAP, two eQEP, one 12-bit 3.3-V ADC with ratio-metric reference support, three analog comparators with internal 10-bit references, and trip-zone protection for fault-safe PWM shutdown. Clocking uses dual zero-pin oscillators or external crystal/XCLKIN with missing-clock detection.

Key Specifications

Pinout & Package

80-pin Low-Profile Quad Flatpack (LQFP), 12.0 mm × 12.0 mm body size, exposed pad not specified, RoHS-compliant lead finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TMS320F28035MPNTEP, the TMS320F28034PTP offers identical control architecture at lower cost but without extended temperature or radiation-hardened assurance, while the TMS320F28335PGFA provides greater processing headroom and memory at the expense of HRPWM precision and EP-level reliability documentation.

Availability

TMS320F28035MPNTEP is available at Aetrix Electronics and suitable for aerospace power converters, defense actuator interfaces, electric vehicle onboard chargers, and satellite motor drives requiring stable component supply across extended product lifecycles.

Supply support for TMS320F28035MPNTEP 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 connectivity technologies, with decades of heritage in high-reliability microcontrollers for industrial and aerospace markets.

The TMS320F28035MPNTEP belongs to TI's Piccolo™ C2000™ real-time control MCU family, designed specifically for digital power conversion and motor control applications demanding deterministic low-latency execution, analog integration, and robust environmental qualification.

FAQ

What is the operating temperature range certified for the TMS320F28035MPNTEP?

The TMS320F28035MPNTEP is qualified for continuous operation from –55°C to +125°C. This extended temperature range is validated under TI's Enhanced Product (EP) program, including controlled baseline, single fabrication/assembly site, and full traceability-making it suitable for deployment in spacecraft, military vehicles, and downhole oilfield equipment where thermal extremes are routine.

Does the TMS320F28035MPNTEP include hardware-based security features?

Yes, the TMS320F28035MPNTEP integrates a Code-Security Module with 128-bit encryption keys and lockable memory regions. It protects flash, OTP, and secure RAM blocks from unauthorized read/write access, preventing firmware reverse engineering and ensuring intellectual property integrity in deployed systems.

How does the Control Law Accelerator (CLA) in the TMS320F28035MPNTEP improve real-time performance?

The CLA in the TMS320F28035MPNTEP is a fully autonomous 32-bit floating-point processor that executes control algorithms-including PID, FOC, and observers-concurrently with the main C28x CPU. This parallelism eliminates CPU bottlenecks, enabling sub-microsecond loop times even under full peripheral load, which is essential for high-bandwidth motor and power converter control.

What PWM resolution and modulation capabilities does the TMS320F28035MPNTEP support?

The TMS320F28035MPNTEP supports High-Resolution PWM (HRPWM) with 150-ps time-step resolution and dual-edge control, enabling precise frequency and phase modulation. Combined with seven ePWM modules (each with A/B outputs), it delivers fine-grained timing for soft-switching topologies like resonant LLC converters and multi-level inverters.

Is external clocking required for the TMS320F28035MPNTEP, or does it support internal oscillation?

The TMS320F28035MPNTEP supports both internal and external clocking. It includes two zero-pin internal oscillators and an on-chip 1.8-V crystal oscillator (X1/X2 pins), eliminating the need for external clock sources in most applications. External clock input (XCLKIN) is optional and used only when higher accuracy or synchronization with system clocks is required.