Texas Instruments F280037CSPT

Overview

F280037CSPT from Texas Instruments is a C28x-based real-time microcontroller designed for high-precision power electronics control, featuring a 120-MHz 32-bit DSP core with IEEE 754 FPU, 256KB ECC-protected flash, 69KB ECC-protected RAM, and integrated analog peripherals including three 4-MSPS 12-bit ADCs and 16 ePWM channels with 150-ps high-resolution capability. It targets motor drives, solar inverters, and EV charging systems requiring deterministic low-latency execution.

For engineers reviewing the F280037CSPT datasheet, F280037CSPT pinout, F280037CSPT application, or F280037CSPT equivalent, key selection criteria include CLA acceleration for independent control-loop offload, CLB tile support for custom logic integration, CAN FD and FSI (200 Mbps) for robust isolated communication, and functional safety readiness (ASIL B/SIL 2) in qualified packages.

Technical Context

The F280037CSPT implements a dual-core real-time architecture: the main C28x CPU executes at 120 MHz with FPU, TMU, and VCRC extensions for fast trigonometric and CRC-intensive control math, while the independent CLA runs parallel floating-point code at 120 MHz with dedicated message RAM and direct peripheral access. Its memory subsystem includes three flash banks enabling concurrent execute-and-program operations.

Control peripherals are tightly coupled to analog resources: ePWM modules integrate dead-band generation and hardware trip zones; each of the three 12-bit ADCs supports up to 25 external channels and four post-processing blocks; four CMPSS units provide windowed comparators with integrated 12-bit DAC references for fast overcurrent/overvoltage response.

Key Specifications

Pinout & Package

48-pin Low-profile Quad Flatpack (LQFP-48, PT suffix), 9 mm × 9 mm body size, 0.5-mm pitch, exposed thermal pad. Pin count and signal availability conform to TMS320F280037C device variant in PT package per TI SPRSP61C Rev. D (Dec 2023).

Key Features

Applications

Equivalent & Alternatives

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

Compared with F280034PT, F280037CSPT delivers 128KB more flash, CLB logic flexibility, and EPG waveform generation-critical for multi-stage converters. Versus F280037CPT, it shares identical functionality but may reflect earlier characterization; both use the same PT package and pinout.

Availability

F280037CSPT is available at Aetrix Electronics and suitable for motor drives, solar inverters, and EV on-board chargers requiring stable component supply, extended temperature operation, and functional safety-aligned hardware features.

Supply support for F280037CSPT 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 broad industrial and automotive focus.

The TMS320F28003x product line delivers scalable real-time microcontrollers optimized for power electronics control-enabling high-efficiency GaN/SiC-based systems in motor drives, renewable energy, and electrified transportation.

FAQ

What is the maximum operating junction temperature for the F280037CSPT?

The F280037CSPT has a specified junction temperature range of –40°C to 150°C, enabling reliable operation in high-thermal-load environments such as enclosed motor drive enclosures or under-hood automotive power modules. This rating is validated per TI's thermal resistance characteristics for the PT package and applies across all operating conditions defined in the recommended operating conditions table of the SPRSP61C datasheet. The F280037CSPT thermal design must maintain TJ ≤ 150°C under worst-case power dissipation.

Does the F280037CSPT support CAN FD communication?

Yes, the F280037CSPT integrates one Controller Area Network with Flexible Data-Rate (CAN FD/MCAN) port compliant with ISO 11898-1 and ISO 11898-7, supporting data rates up to 5 Mbps and payloads up to 64 bytes. This capability is confirmed in the device comparison table and functional block diagram of the SPRSP61C datasheet. The F280037CSPT uses this interface for high-bandwidth diagnostics and coordinated control in EV charging and industrial automation systems.

How many ADC channels does the F280037CSPT support in the 48-pin PT package?

In the 48-pin PT package, the F280037CSPT supports 14 external analog input channels (ADCINA0–ADCINA13), plus internal temperature sensor and two gpdac outputs-totaling 16 sampled points across its three 12-bit ADCs. This channel count is explicitly listed in Table 4-1 of the SPRSP61C datasheet under "ADC channels (single-ended)" for the 48-pin PT variant. The F280037CSPT maintains full ADC peripheral functionality despite pin count reduction.

Is the CLA (Control Law Accelerator) available on the F280037CSPT?

Yes, the F280037CSPT includes a fully functional Control Law Accelerator (CLA) operating at 120 MHz, capable of executing independent floating-point control loops with dedicated message RAM and direct peripheral access. This is confirmed in the Device Information table and Feature list of the SPRSP61C datasheet. The CLA in the F280037CSPT reduces CPU load by handling time-critical inner-loop calculations-such as current regulation in motor drives-while the main C28x core manages higher-level tasks.

What security features are implemented in the F280037CSPT?

The F280037CSPT implements JTAGLOCK, zero-pin boot, and dual-zone security via the Device Configuration Security Module (DCSM), preventing unauthorized debug access and enforcing secure firmware execution. These features are documented in Section 7.12 of the SPRSP61C datasheet and apply to all F280037 variants including F280037CSPT. While functional safety certification (ISO 26262 ASIL B) requires Q100-qualified packages, the F280037CSPT retains foundational security hardware for IP protection in industrial applications.