Texas Instruments F28386DPTPS

Overview

TMS320F28386DPTPS from Texas Instruments is a dual-CPU C28x real-time microcontroller with integrated Arm Cortex-M4 Connectivity Manager, 200 MHz C28x cores, 125 MHz CM-M4, 1 MB flash (512 KB per C28x + 512 KB CM), 216 KB RAM, and EtherCAT Slave Controller - deployed in industrial servo drives and solar string inverters requiring deterministic control and protocol offload.

For engineers reviewing the TMS320F28386DPTPS datasheet, TMS320F28386DPTPS pinout, TMS320F28386DPTPS application, or TMS320F28386DPTPS equivalent, key selection criteria include dual-core C28x real-time performance, CM-M4 protocol handling (CAN FD, USB 2.0, Ethernet 1588), analog subsystem (four 16-bit ADCs), and functional safety certification up to ASIL B / SIL 2.

Technical Context

The TMS320F28386DPTPS implements a tightly coupled dual-C28x architecture where each CPU runs at 200 MHz with IEEE 754 double-precision FPU, TMU, and CLA acceleration; the independent Arm Cortex-M4 CM subsystem operates at 125 MHz with dedicated 512 KB flash and 96 KB RAM for protocol stack execution.

It integrates shared peripherals including EtherCAT Slave Controller, MCAN (CAN FD), USB 2.0 (MAC+PHY), and dual EMIFs, while maintaining hardware-isolated memory spaces (C28x local RAM, global shared RAM, CM RAM) and inter-processor communication via MSGRAM and IPC.

Key Specifications

Pinout & Package

Package: 176-pin PowerPAD™ Thermally Enhanced Low-profile Quad Flatpack (HLQFP), PTP suffix. Body size: 24 mm × 24 mm. Lead-free, green packaging compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TMS320F28386DPTPS, TMS320F28388DPTP adds a second C28x CPU and CLA for higher control channel density, while TMS320F28386SPTP removes automotive qualification but retains identical real-time performance and peripheral set for cost-sensitive industrial use.

Availability

TMS320F28386DPTPS is available at Aetrix Electronics and suitable for industrial servo drives, solar string inverters, EV on-board chargers, and three-phase UPS systems requiring stable component supply and long-term production continuity.

Supply support for TMS320F28386DPTPS 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 company specializing in analog, embedded processing, and connectivity technologies with leadership in real-time control silicon.

The TMS320F28386DPTPS belongs to TI's C2000™ real-time MCU family, engineered specifically for high-efficiency power electronics - including motor control, digital power, solar inverters, and EV charging - where ultra-low latency, analog integration, and functional safety are critical.

FAQ

What is the core architecture of the TMS320F28386DPTPS?

The TMS320F28386DPTPS features a dual-core TMS320C28x DSP architecture (200 MHz each) paired with an independent Arm Cortex-M4 Connectivity Manager (125 MHz). Each C28x core includes IEEE 754 double-precision FPU, Trigonometric Math Unit (TMU), and Fast Integer Division (FINTDIV). The CM-M4 has dedicated 512 KB flash and 96 KB RAM for protocol offload. This heterogenous architecture enables simultaneous real-time control and connectivity tasks without interference - a defining capability of the TMS320F28386DPTPS.

Does the TMS320F28386DPTPS support functional safety standards?

Yes, the TMS320F28386DPTPS is ISO 26262 certified up to ASIL B and IEC 61508 certified up to SIL 2 by TÜV SÜD. It includes hardware safety mechanisms such as Hardware Built-in Self Test (HWBIST), Embedded Real-time Analysis and Diagnostic (ERAD), Background CRC (BGCRC), dual-zone security, and windowed watchdog timers. These features are documented in TI's safety manual and are integral to the TMS320F28386DPTPS design for use in safety-critical motor drives and power converters.

What package and pin count does the TMS320F28386DPTPS use?

The TMS320F28386DPTPS uses the 176-pin PowerPAD™ Thermally Enhanced Low-profile Quad Flatpack (HLQFP) package, designated by the PTP suffix. Its body size is 24 mm × 24 mm, and it features 169 GPIO pins shared among the two C28x CPUs and the CM-M4 subsystem. This package provides robust thermal dissipation for high-power-density applications and is compatible with standard PCB assembly processes - a key physical attribute of the TMS320F28386DPTPS.

Which communication protocols are hardware-accelerated in the TMS320F28386DPTPS?

The TMS320F28386DPTPS includes hardware-accelerated support for EtherCAT Slave Controller (ESC), MCAN (CAN FD), USB 2.0 (MAC + PHY), and 10/100 Ethernet with IEEE 1588 timestamping. The ESC operates independently of the C28x cores to handle EtherCAT frame processing in real time. CAN FD is implemented via the MCAN module supporting >2 Mbps data rates. These accelerators reduce software overhead and ensure deterministic timing - essential characteristics of the TMS320F28386DPTPS in industrial networking applications.

How does the analog subsystem of the TMS320F28386DPTPS support high-precision motor control?

The TMS320F28386DPTPS integrates four 16-bit/12-bit ADCs capable of 1.1 MSPS (16-bit) or 3.5 MSPS (12-bit), each with single sample-and-hold and hardware post-processing. It also includes eight windowed comparators with 12-bit DAC references and three 12-bit buffered DAC outputs. This subsystem enables simultaneous current/voltage sensing across multiple motor phases with minimal latency and no external signal conditioning - a core enabler of high-fidelity field-oriented control in the TMS320F28386DPTPS.