Texas Instruments TMS320F28377SZWTQ

Overview

TMS320F28377SZWTQ from Texas Instruments is a 32-bit floating-point real-time microcontroller with dual 200MHz C28x CPU and CLA coprocessor, IEEE 754 FPU, TMU, VCU-II, 1MB flash (ECC-protected), 164KB RAM (ECC/parity-protected), and integrated analog subsystem including four 16-/12-bit ADCs (up to 4.4MSPS total), three 12-bit DACs, and eight SDFM channels - deployed in EV traction inverters and solar power optimizers.

For engineers reviewing the TMS320F28377SZWTQ datasheet, TMS320F28377SZWTQ pinout, TMS320F28377SZWTQ application, or TMS320F28377SZWTQ equivalent, key selection criteria include ASIL B functional safety certification, 337-ball nFBGA (ZWT) package compatibility, 169 GPIOs with input filtering, dual CAN 2.0B interfaces, and hardware-integrated ADC post-processing for closed-loop motor control timing-criticality.

Technical Context

The TMS320F28377SZWTQ implements a single-CPU + single-CLA architecture (vs. dual-CPU F2837xD), both running at 200MHz with independent instruction execution and shared memory messaging via 128×16 MSG RAM. Its analog subsystem integrates four independent ADCs with differential/single-ended modes, hardware saturation calibration, and windowed comparators with DAC references for real-time overcurrent protection.

Control peripherals include 24 ePWM channels (16 HRPWM-capable), six eCAP modules, three eQEP modules, and configurable logic blocks (CLB) supporting position manager functions. Communications stack supports USB 2.0 (MAC+PHY), two CAN 2.0B modules, four SCI/UARTs, three SPIs, two I²C, two McBSPs, and uPP interface - all pin-bootable and mapped to dedicated ball positions in the ZWT package.

Key Specifications

Pinout & Package

337-ball New Fine Pitch Ball Grid Array (nFBGA) package, 16mm × 16mm body size, lead-free/green construction, thermal pad on underside for enhanced heat dissipation in high-power motor control applications.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TMS320F28377SZWTQ, the TMS320F28377S-ZWT offers identical peripherals and performance at lower qualification cost, while TMS320F28379S-ZWTQ delivers higher computational headroom via dual-CLA architecture - making the former optimal for cost-constrained industrial use, and the latter for safety-redundant or multi-domain automotive systems.

Availability

TMS320F28377SZWTQ is available at Aetrix Electronics and suitable for EV traction inverters, solar power optimizers, and industrial servo drives requiring stable component supply, long-term lifecycle management, and automotive-grade traceability.

Supply support for TMS320F28377SZWTQ 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets since 1930.

The TMS320F28377SZWTQ belongs to TI's C2000™ real-time control MCU portfolio, designed specifically for closed-loop systems demanding deterministic low-latency processing, high-precision analog integration, and functional safety compliance in power electronics.

FAQ

What is the maximum ADC sampling rate supported by the TMS320F28377SZWTQ?

The TMS320F28377SZWTQ supports up to 1.1MSPS per ADC in 16-bit differential mode (total 4.4MSPS across four ADCs) or 3.5MSPS per ADC in 12-bit single-ended mode (total 14MSPS). Each ADC includes a dedicated Sample-and-Hold circuit and hardware post-processing for real-time calibration and compare operations - critical for fast current-loop closure in motor control applications using the TMS320F28377SZWTQ.

Does the TMS320F28377SZWTQ support functional safety certification for automotive use?

Yes, the TMS320F28377SZWTQ is ISO 26262 ASIL B and IEC 61508 SIL 2 certified by TÜV SÜD, with hardware integrity rated up to ASIL B. It includes safety mechanisms such as ECC-protected memory, windowed watchdog timers, missing-clock detection, and Hardware Built-in Self Test (HWBIST). Documentation supporting system-level safety design (up to ASIL D) is provided by Texas Instruments for use with the TMS320F28377SZWTQ.

How many high-resolution PWM channels does the TMS320F28377SZWTQ provide?

The TMS320F28377SZWTQ provides 16 high-resolution PWM (HRPWM) channels across eight ePWM modules, with resolution down to 150ps. Both A and B channels of each module support HRPWM, and dead-band generation is available for both standard and HRPWM outputs - enabling precise gate timing control in SiC/GaN-based inverters using the TMS320F28377SZWTQ.

What package type and pin count does the TMS320F28377SZWTQ use?

The TMS320F28377SZWTQ uses a 337-ball New Fine Pitch Ball Grid Array (nFBGA) package with ZWT suffix, measuring 16mm × 16mm. It provides 169 GPIOs (multiplexed), dedicated analog and power pins, and full peripheral access including dual CAN, USB 2.0, and four ADC banks - matching the pinout of other F2837xS devices in the same ZWT package, ensuring layout compatibility for the TMS320F28377SZWTQ.

Can the TMS320F28377SZWTQ execute control algorithms independently on its CLA coprocessor?

Yes, the TMS320F28377SZWTQ includes a fully autonomous Control Law Accelerator (CLA) that runs IEEE 754 single-precision floating-point code at 200MHz, independent of the main C28x CPU. The CLA responds to peripheral triggers (e.g., ADC end-of-conversion, PWM timer overflow) and communicates via shared 128×16 message RAM - allowing time-critical loops like current regulation to execute deterministically without CPU intervention in the TMS320F28377SZWTQ.