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Texas Instruments TMS320F28374SPZPT

Name: TMS320F28374SPZPT
Brand: Texas Instruments
SKU: TMS320F28374SPZPT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TMS320F28374SPZPT

Manufacturer:: Texas Instruments

Category:: Microcontrollers

Package:: 100-TQFP Exposed Pad

Datasheet:: TMS320F28374SPZPT.pdf

Description:: IC MCU 32BIT 512KB FLSH 100HTQFP

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Product details

Overview

TMS320F28374SPZPT from Texas Instruments is a 32-bit floating-point real-time microcontroller with a 200MHz C28x CPU, IEEE 754 FPU, Trigonometric Math Unit (TMU), and Viterbi/Complex Math Unit (VCU-II), designed for high-precision motor control and digital power conversion. It integrates one CLA coprocessor (200MHz), 512KB flash (ECC-protected), 132KB RAM (parity-protected), four 16-/12-bit ADCs (up to 4.4MSPS system throughput), and 24 ePWM channels with 16 HRPWM outputs - deployed in traction inverters and solar string inverters.

For engineers reviewing the TMS320F28374SPZPT datasheet, TMS320F28374SPZPT pinout, TMS320F28374SPZPT application, or TMS320F28374SPZPT equivalent, key selection criteria include its single-CPU/CLA subsystem architecture, 176-pin HLQFP (PTP) package, –40°C to 125°C junction temperature rating, functional safety compliance (IEC 61508 SIL 2, ISO 26262 ASIL B), and support for isolated current sensing via SDFM + sigma-delta modulators.

Technical Context

The TMS320F28374SPZPT implements a deterministic real-time control architecture centered on a single C28x CPU core paired with an independent CLA coprocessor, both operating at 200MHz. Its analog subsystem includes four ADCs configurable in 16-bit (1.1MSPS, differential) or 12-bit (3.5MSPS, single-ended) mode, each with hardware post-processing (offset calibration, windowed compare, DAC-referenced comparators).

Control peripherals feature 24 ePWM channels with dead-band generation, 16 HRPWM outputs (A/B channel resolution ≤150ps), six eCAP modules, three eQEP interfaces, and eight SDFM input channels supporting dual parallel filtering per channel for shunt-based current measurement. Communications include two CAN 2.0B modules, four SCIs, three SPIs, two I2Cs, USB 2.0 (MAC+PHY), and uPP interface.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	C28x 32-bit floating-point processor at 200MHz - enables real-time execution of field-oriented control (FOC) loops with <1µs latency.
CLA Coprocessor	Single 32-bit floating-point CLA running at 200MHz - offloads time-critical PWM update, protection, and sensor processing from main CPU.
Flash / RAM	512KB (256KW) ECC-protected flash; 132KB (66KW) parity-protected RAM - supports secure firmware updates and robust runtime data storage.
ADC System	Four independent 16-/12-bit ADCs; 16-bit mode: 1.1MSPS each (4.4MSPS total), differential inputs, up to 12 external channels - sufficient for multi-phase voltage/current sampling in 3-phase inverters.
ePWM & HRPWM	24 standard ePWM channels; 16 HRPWM outputs with ≤150ps resolution - enables precise gate drive timing for SiC/GaN half-bridges with adaptive dead-time compensation.
Functional Safety	Hardware integrity certified to IEC 61508 SIL 2 and ISO 26262 ASIL B by TÜV SÜD - supports diagnostic coverage for motor drive safety mechanisms (e.g., overcurrent shutdown, PWM fault response).
Package & Temp	176-pin HLQFP (PTP), 24mm × 24mm body; operating junction temperature –40°C to +125°C - suitable for under-hood automotive and industrial power module environments.

Pinout & Package

Package: 176-pin PowerPAD™ Thermally Enhanced Low-Profile Quad Flatpack (HLQFP), PTP suffix, 24mm × 24mm body size, exposed thermal pad for enhanced heat dissipation in high-power motor control applications.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VDDIO	Power supply rails	1.2V core (VDD), 3.3V analog (VDDA), 3.3V I/O (VDDIO) - require separate low-noise regulation and decoupling for ADC accuracy and signal integrity.
VSS, VSSA, VSSOSC	Ground references	Analog ground (VSSA) and oscillator ground (VSSOSC) must be star-connected to minimize noise coupling into sensitive analog and clock circuits.
X1, X2	Crytal oscillator terminals	Supports external crystal (1–20MHz) or single-ended clock input; internal 10MHz zero-pin oscillators available as backup.
GPIO0–GPIO96	Multiplexed general-purpose I/O	169 total GPIOs (97 accessible in PTP package); support peripheral muxing for ePWM, eCAP, SCI, SPI, CAN, and ADC triggers - enables flexible board-level signal routing.
EPWMxA/EPWMxB	High-resolution PWM outputs	16 dedicated HRPWM pins (A/B pairs) with sub-nanosecond edge placement - critical for minimizing shoot-through risk in high-frequency SiC inverters.
ADCINA0–ADCINA15, ADCINB0–ADCINB5, etc.	Analog input channels	Up to 24 single-ended or 12 differential ADC inputs across four ADC modules - supports simultaneous sampling of phase currents, DC-link voltage, and temperature sensors.
CANA_RX/CANA_TX, CANB_RX/CANB_TX	CAN 2.0B transceiver interfaces	Two isolated CAN buses compliant with ISO 11898-1 - used for communication with vehicle ECUs or master controllers in EV charging and industrial automation systems.

Key Features

Feature	Design Value
Trigonometric Math Unit (TMU)	Accelerates sin/cos/tan/arctan operations in <100ns - reduces FOC torque loop execution time by ~40% vs. software-only implementation.
Sigma-Delta Filter Module (SDFM)	Eight input channels with dual parallel filters per channel - enables real-time isolation of shunt current measurements without external ΣΔ decimation ICs.
Configurable Logic Block (CLB)	Four CLB tiles supporting custom logic (e.g., position manager, encoder interpolation, hardware-based protection) - replaces FPGA glue logic in servo drives.
Dual-zone security	Two 128-bit secure memory zones with DCSM lock - allows third-party IP integration (e.g., motor control algorithms) while protecting proprietary firmware assets.
Hardware Built-in Self Test (HWBIST)	On-chip memory and logic self-test capability - satisfies IEC 60730 Class C and UL 1998 Class 2 requirements for automatic fault detection during startup.

Applications

Traction Inverter Control	Solar String Inverter
Use Scenario: Real-time field-oriented control of permanent magnet synchronous motors (PMSM) in electric vehicle powertrains. IC Role / Device Role / Timing Role: Primary controller executing FOC, space vector modulation, and safety-critical fault handling with <1µs loop latency. Use Value: Integrated HRPWM (≤150ps resolution) and SDFM enable accurate SiC gate driving and isolated current feedback - improving inverter efficiency by ≥2% at 20kHz switching.	Use Scenario: MPPT tracking and grid-synchronized DC-AC conversion in residential/commercial photovoltaic systems. IC Role / Device Role / Timing Role: Dual-loop controller managing inner current loop (<5µs) and outer voltage/power loop (<50µs) with harmonic injection. Use Value: Four synchronized ADCs and CLB tiles allow concurrent sampling of DC input, AC output, and isolation feedback - eliminating need for external synchronization circuitry.
Industrial Servo Drive	EV On-Board Charger (OBC)
Use Scenario: High-bandwidth position/velocity/torque control in CNC machines and robotic joints using resolver or AMR sensors. IC Role / Device Role / Timing Role: Resolver-to-digital conversion, eQEP decoding, and current loop control executed in parallel across C28x and CLA. Use Value: TMU + VCU-II accelerators reduce computational load on main CPU - freeing bandwidth for EtherCAT stack and diagnostics without compromising loop speed.	Use Scenario: Bidirectional AC-DC and DC-DC power conversion in automotive OBC modules supporting 11kW charging. IC Role / Device Role / Timing Role: Coordinating interleaved PFC and LLC resonant converter stages with adaptive frequency and phase control. Use Value: Two EMIFs support external SDRAM for complex digital control algorithms; USB 2.0 enables in-field firmware updates and debug logging without JTAG.

Traction Inverter Control

Solar String Inverter

Use Scenario: Real-time field-oriented control of permanent magnet synchronous motors (PMSM) in electric vehicle powertrains.

IC Role / Device Role / Timing Role: Primary controller executing FOC, space vector modulation, and safety-critical fault handling with <1µs loop latency.

Use Value: Integrated HRPWM (≤150ps resolution) and SDFM enable accurate SiC gate driving and isolated current feedback - improving inverter efficiency by ≥2% at 20kHz switching.

Use Scenario: MPPT tracking and grid-synchronized DC-AC conversion in residential/commercial photovoltaic systems.

IC Role / Device Role / Timing Role: Dual-loop controller managing inner current loop (<5µs) and outer voltage/power loop (<50µs) with harmonic injection.

Use Value: Four synchronized ADCs and CLB tiles allow concurrent sampling of DC input, AC output, and isolation feedback - eliminating need for external synchronization circuitry.

Industrial Servo Drive

EV On-Board Charger (OBC)

Use Scenario: High-bandwidth position/velocity/torque control in CNC machines and robotic joints using resolver or AMR sensors.

IC Role / Device Role / Timing Role: Resolver-to-digital conversion, eQEP decoding, and current loop control executed in parallel across C28x and CLA.

Use Value: TMU + VCU-II accelerators reduce computational load on main CPU - freeing bandwidth for EtherCAT stack and diagnostics without compromising loop speed.

Use Scenario: Bidirectional AC-DC and DC-DC power conversion in automotive OBC modules supporting 11kW charging.

IC Role / Device Role / Timing Role: Coordinating interleaved PFC and LLC resonant converter stages with adaptive frequency and phase control.

Use Value: Two EMIFs support external SDRAM for complex digital control algorithms; USB 2.0 enables in-field firmware updates and debug logging without JTAG.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TMS320F28377SPZPT	1MB flash (vs. 512KB), 164KB RAM (vs. 132KB), same PTP package and peripheral set.	Preferred for designs requiring larger firmware image (e.g., dual-bank OTA updates) or extended runtime data buffers (e.g., waveform capture).	Select when additional nonvolatile storage or SRAM headroom is required without changing PCB layout or thermal design.
TMS320F28375SPZPT	Same 512KB flash/132KB RAM, but only two 16-bit ADCs (vs. four), no CLB, and reduced ePWM count (15 vs. 24).	Suitable for cost-sensitive single-motor drives or auxiliary control functions where full analog/control peripheral complement is unnecessary.	Choose for simplified motor control applications where CLB, SDFM, or quad-ADC capability is not required - lowers BOM cost without sacrificing core CPU performance.

Compared with TMS320F28377SPZPT, the TMS320F28374SPZPT trades flash/RAM capacity for lower unit cost while retaining identical real-time control peripherals (HRPWM, SDFM, CLB, CAN, USB); versus TMS320F28375SPZPT, it adds two ADCs and CLB support - enabling higher-fidelity sensor fusion and hardware-accelerated protection logic in compact inverters.

Availability

TMS320F28374SPZPT is available at Aetrix Electronics and suitable for traction inverter motor control, solar string inverter development, and industrial servo drive production requiring stable component supply across automotive and industrial temperature grades.

Supply support for TMS320F28374SPZPT 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 personal electronics markets.

The TMS320F28374SPZPT belongs to TI's C2000™ real-time control MCU product line, engineered specifically for closed-loop digital power and motor control applications demanding deterministic low-latency processing, high-precision analog integration, and functional safety certification.

FAQ

What is the maximum ADC sampling rate supported by the TMS320F28374SPZPT in 16-bit mode?

The TMS320F28374SPZPT supports up to 1.1 million samples per second (MSPS) per ADC in 16-bit mode, with four independent ADC modules enabling a total system throughput of 4.4 MSPS. Each ADC features differential inputs and hardware post-processing including offset calibration and windowed comparators - critical for high-fidelity current sensing in 3-phase motor drives. This specification is confirmed in the device's Electrical Characteristics table (Section 6.10) and Functional Block Diagram.

Does the TMS320F28374SPZPT include hardware support for functional safety standards?

Yes, the TMS320F28374SPZPT is certified by TÜV SÜD for IEC 61508 up to SIL 2 and ISO 26262 up to ASIL B. It includes hardware features such as Error Correction Code (ECC) for flash, parity protection for RAM, Hardware Built-in Self Test (HWBIST), and lockstep-capable peripherals - all documented in the Functional Safety User's Guide (SPRUHZ6). These capabilities directly support safety mechanisms in motor control and power conversion systems.

How many high-resolution PWM (HRPWM) outputs does the TMS320F28374SPZPT provide?

The TMS320F28374SPZPT provides 16 high-resolution PWM (HRPWM) outputs - eight modules with A/B channel pairs - each capable of sub-nanosecond timing resolution (≤150ps). This enables precise gate driver control for wide-bandgap devices like SiC MOSFETs and GaN HEMTs in high-frequency inverters. The HRPWM functionality is implemented in hardware and detailed in Section 6.11 of the datasheet.

What package type and pin count does the TMS320F28374SPZPT use?

The TMS320F28374SPZPT uses a 176-pin PowerPAD™ Thermally Enhanced Low-Profile Quad Flatpack (HLQFP), designated by the PTP suffix. Its mechanical dimensions are 24mm × 24mm with an exposed thermal pad. This package is validated for operation from –40°C to +125°C junction temperature and is pin-compatible with other TMS320F2837xS family members in the same PTP variant.

Can the TMS320F28374SPZPT execute code independently on both the main CPU and CLA?

Yes, the TMS320F28374SPZPT features a dedicated Control Law Accelerator (CLA) coprocessor that runs IEEE 754 single-precision floating-point code concurrently with the main C28x CPU - both at 200MHz. The CLA responds to peripheral interrupts (e.g., ADC end-of-conversion, PWM timer overflow) and accesses shared memory via message RAM, enabling true parallel real-time control execution without CPU intervention.

TMS320F28374SPZPT Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Package/Case:: 100-TQFP Exposed Pad

Series:: C2000™ C28x Delfino™, Functional Safety (FuSa)

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: C28x

Core Size:: 32-Bit Single-Core

Speed:: 200MHz

Connectivity:: CANbus, I2C, McBSP, SCI, SPI, uPP, UART/USART, USB

Peripherals:: DMA, POR, PWM, WDT

Number of I/O:: 41

Program Memory Size:: 512KB (256K x 16)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 66K x 16

Voltage - Supply (Vcc/Vdd):: 1.14V ~ 3.47V

Data Converters:: A/D 14x12b; D/A 3x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 105°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

TMS320F28374SPZPT FAQ

1.How can I place an order for TMS320F28374SPZPT through Aetrix?

Please submit a Request for Quotation (RFQ) for TMS320F28374SPZPT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for TMS320F28374SPZPT reliable?

The price and inventory of TMS320F28374SPZPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320F28374SPZPT is usually 5 days.

3.What payment methods are accepted for TMS320F28374SPZPT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320F28374SPZPT transactions.

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4.How is shipping managed for TMS320F28374SPZPT?

TMS320F28374SPZPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TMS320F28374SPZPT order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for TMS320F28374SPZPT?

For technical support, including TMS320F28374SPZPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320F28374SPZPT requirements.

6.How does Aetrix verify that TMS320F28374SPZPT is sourced from the original manufacturer or authorized distributors?

All TMS320F28374SPZPT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TMS320F28374SPZPT meets industry standards.

7.What is the process for return or replacement of TMS320F28374SPZPT?

All TMS320F28374SPZPT units undergo pre-shipment inspection (PSI). If there is an issue with TMS320F28374SPZPT, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TMS320F28374SPZPT part is unused and in its original packaging.

Return procedure for TMS320F28374SPZPT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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