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Texas Instruments TMS320F28026FPTT
- Part No.:
- TMS320F28026FPTT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
TMS320F28026FPTT.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,767
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Product details
Overview
TMS320F28026FPTT from Texas Instruments is a C28x-core 32-bit real-time control microcontroller optimized for motor and power conversion systems, operating at 60 MHz (16.67-ns cycle time), featuring 16 KB on-chip Flash, 6 KB SARAM, 8-channel ePWM with 4 high-resolution outputs, 12-bit ADC (3 MSPS, 7 channels), and integrated comparators with DACs. It serves as the central controller in digital AC-DC and BLDC motor drives.
For engineers reviewing the TMS320F28026FPTT datasheet, TMS320F28026FPTT pinout, TMS320F28026FPTT application, or TMS320F28026FPTT equivalent, key selection criteria include its 48-pin LQFP package, 60-MHz deterministic execution, HRPWM dual-edge modulation capability, analog integration (ADC + comparators), and InstaSPIN-FOC™ enablement for sensorless FOC deployment.
Technical Context
The TMS320F28026FPTT implements the TMS320C28x CPU core with Harvard bus architecture, atomic instructions, and unified memory model-enabling deterministic real-time control loops. Its peripheral set includes three 32-bit CPU timers, PIE-interrupt expansion, and dedicated control accelerators including ePWM with TZ fault protection and HRPWM for sub-nanosecond dead-time control.
It integrates analog subsystems directly tied to PWM: two analog comparators with internal 10-bit references, each output routable to ePWM trip zones; a 12-bit ADC with 216.67-ns conversion time and dual sample-and-hold; and an on-chip voltage regulator enabling single 3.3-V rail operation without sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | TMS320C28x 32-bit fixed-point, 60 MHz (16.67 ns cycle time) |
| Flash Memory | 16 KB × 16-bit, secure, with code-security module and 128-bit lock key |
| ePWM Channels | 8 independent channels (ePWM1–ePWM4), each with A/B outputs and trip-zone inputs |
| HRPWM Channels | 4 channels (ePWM1A/2A/3A/4A), supporting dual-edge control for frequency modulation |
| ADC | 12-bit, 3 MSPS, 7 input channels, 216.67 ns conversion time, dual sample-and-hold |
| Comparators | 2 analog comparators with integrated 10-bit DACs and direct PWM trip routing |
| Package | 48-pin LQFP (PT), 7.0 mm × 7.0 mm, RoHS-compliant |
| Temperature Range | –40°C to 105°C (T-grade), qualified for industrial motor drive environments |
Pinout & Package
Package: 48-pin Low-Profile Quad Flatpack (LQFP), PT variant, 7.0 mm × 7.0 mm body size, exposed pad optional, JEDEC MS-026AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VDDIO / VDDA | Power supply rails | VDD (core): 1.8 V; VDDIO (I/O): 3.3 V; VDDA (analog): 3.3 V - decoupling required per datasheet Section 8.5 |
| XRS | Reset input/output | Active-low device reset; driven low by internal POR/BOR or watchdog; open-drain with internal pullup |
| GPIO0/EPWM1A, GPIO1/EPWM1B | PWM output pair | Complementary high-resolution PWM outputs for half-bridge gate driving; supports dead-time insertion and TZ fault shutdown |
| ADCINA0–ADCINA6 | Analog inputs | 7-channel Group A ADC inputs, 0–3.3 V full-scale range, ratio-metric reference support via VREFHI/VREFLO |
| COMP1A/COMP1B, COMP2A/COMP2B | Comparator inputs | Dual comparator inputs with internal 10-bit DAC references; outputs directly route to ePWM trip zones for fast overcurrent protection |
| SCITXDA/SCIRXDA | UART interface | Asynchronous serial communication (SCI) with 4-level FIFO; used for host monitoring, parameter tuning, or firmware updates |
| SPISTEA/SPISTEA | SPI interface | Master/slave SPI with 4-level FIFO; connects to external ADCs, sensors, or isolated gate drivers |
| SDAA/SCLA | I²C interface | Standard-mode I²C (100 kHz) for configuration of auxiliary devices like temperature sensors or EEPROMs |
Key Features
| Feature | Design Value |
|---|---|
| InstaSPIN-FOC™ Enablement | Factory-programmed ROM support for sensorless field-oriented control algorithms, reducing motor commissioning time |
| High-Resolution PWM | 4 HRPWM channels with 150-ps resolution, enabling precise timing for SiC/GaN gate drivers and resonant topologies |
| Integrated Analog Comparators | 2 comparators with programmable 10-bit DAC references and direct ePWM trip-zone routing for <100-ns overcurrent response |
| Single-Rail Operation | On-chip 1.8-V regulator eliminates need for external core supply; only 3.3-V input required for full functionality |
| Code Security Module | 128-bit encryption key and lock mechanism protecting Flash, SARAM, and OTP blocks against reverse engineering and unauthorized access |
| Peripheral Interrupt Expansion | PIE block supports all 96 peripheral interrupts with 12 groups and 8 vectors per group - enabling deterministic ISR latency under heavy interrupt load |
Applications
| Air Conditioner Outdoor Unit | Inverter & Motor Control |
|---|---|
Use Scenario: Variable-speed compressor and fan control in residential/commercial HVAC systems. IC Role / Device Role / Timing Role: Real-time current/voltage loop controller executing FOC or SVM algorithms at ≥10 kHz update rate. Use Value: Enables >95% system efficiency, silent operation via precise torque ripple suppression, and compliance with IE4/IE5 efficiency standards. | Use Scenario: Closed-loop speed/torque control of PMSM or BLDC motors in industrial automation. IC Role / Device Role / Timing Role: Central motion controller coordinating ePWM, ADC sampling, and comparator-based fault detection within 1-µs timing budget. Use Value: Eliminates external op-amps and discrete comparators; reduces BOM count by 3–5 components while improving fault response time to <2 µs. |
| Micro Inverter | AC-input BLDC Motor Drive |
Use Scenario: Single-phase grid-tied solar micro-inverter with MPPT and anti-islanding protection. IC Role / Device Role / Timing Role: Dual-role controller: performs high-frequency DC-DC regulation and synchronized 50/60-Hz grid injection using HRPWM and ADC synchronization. Use Value: Achieves >96.5% peak efficiency and meets IEEE 1547-2018 anti-islanding response requirements via hardware-accelerated zero-crossing detection. | Use Scenario: Fan, pump, or compressor drive accepting universal AC input (90–264 VAC) with active PFC and inverter stage. IC Role / Device Role / Timing Role: Integrated PFC + inverter controller using shared ADC resources and coordinated ePWM timing across both stages. Use Value: Reduces component count by consolidating PFC and motor control onto one MCU; enables compact form factor (<150 cm³) and <15 mW standby power. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar real-time control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320F28027PT | 32 KB Flash (vs. 16 KB), identical peripherals, same 60-MHz C28x core and 48-pin LQFP package | Supports larger control algorithms and dual-motor control; no change in analog or PWM capability | Select when firmware size exceeds 16 KB or future scalability is required without PCB redesign |
| TMS320F28026F-Q1 | Automotive AEC-Q100 Grade 1 (–40°C to 125°C), identical functional spec, same 16 KB Flash and peripherals | Qualified for automotive traction inverters and EPS modules; requires automotive qualification documentation | Select for automotive production programs requiring AEC-Q100 certification and extended temperature operation |
Compared with TMS320F28027PT, the TMS320F28026FPTT offers half the Flash capacity but identical real-time performance and analog integration; compared with TMS320F28026F-Q1, it lacks automotive qualification but provides cost-optimized industrial deployment with identical feature set and pinout.
Availability
TMS320F28026FPTT is available at Aetrix Electronics and suitable for industrial motor drives, solar micro-inverters, and AC-input BLDC motor drives requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TMS320F28026FPTT 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 delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The TMS320F28026FPTT belongs to TI's C2000™ real-time control MCU family, designed specifically for closed-loop control in power electronics and motor drive applications where deterministic timing, analog integration, and computational efficiency are critical.
FAQ
What is the maximum operating frequency of the TMS320F28026FPTT?
The TMS320F28026FPTT operates at a maximum CPU frequency of 60 MHz, corresponding to a 16.67-ns instruction cycle time. This frequency is achieved using the on-chip PLL with either the internal zero-pin oscillator or an external crystal/resonator connected to X1/X2 pins. The device maintains full peripheral functionality-including ADC sampling, ePWM generation, and comparator response-at this clock rate.
Does the TMS320F28026FPTT support sensorless motor control?
Yes, the TMS320F28026FPTT is InstaSPIN-FOC™-enabled, meaning it contains factory-programmed ROM-based motor control libraries that support sensorless field-oriented control for PMSM and BLDC motors. These libraries leverage the device's HRPWM, ADC, and comparator peripherals to estimate rotor position without Hall sensors or encoders, reducing system cost and complexity.
What analog peripherals are integrated into the TMS320F28026FPTT?
The TMS320F28026FPTT integrates a 12-bit, 3-MSPS ADC with 7 input channels and dual sample-and-hold; two analog comparators with programmable 10-bit DAC references; and an on-chip temperature sensor. All analog inputs accept 0–3.3-V signals, and comparator outputs can be routed directly to ePWM trip zones for hardware-fast overcurrent protection.
Is the TMS320F28026FPTT pin-compatible with other F2802x devices in the same package?
Yes, the TMS320F28026FPTT is pin-compatible with all 48-pin LQFP (PT) variants in the F2802x family-including TMS320F28027PT, TMS320F28023PT, and TMS320F28022PT-sharing identical pin assignments, electrical characteristics, and thermal profiles. This allows drop-in replacement for design reuse or migration based on Flash size or peripheral requirements.
What development tools are supported for the TMS320F28026FPTT?
The TMS320F28026FPTT is supported by TI's C2000Ware software suite, Code Generation Tools (C2000 C/C++ Compiler), ControlSUITE legacy libraries, and the LAUNCHXL-F28027 LaunchPad development kit. Debugging is enabled via JTAG using XDS110 or XDS200 emulators, and real-time analysis is supported through CLA and CPU trace features in CCS v12+.
TMS320F28026FPTT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-LQFP
- Series:
- C2000™ C28x Piccolo™
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- C28x
- Core Size:
- 32-Bit Single-Core
- Speed:
- 60MHz
- Connectivity:
- I2C, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 22
- Program Memory Size:
- 32KB (16K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6K x 16
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 1.995V
- Data Converters:
- A/D 13x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMS320F28026FPTT FAQ
1.How can I place an order for TMS320F28026FPTT through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS320F28026FPTT 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 TMS320F28026FPTT reliable?
The price and inventory of TMS320F28026FPTT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320F28026FPTT is usually 5 days.
3.What payment methods are accepted for TMS320F28026FPTT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320F28026FPTT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS320F28026FPTT?
TMS320F28026FPTT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS320F28026FPTT 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 TMS320F28026FPTT?
For technical support, including TMS320F28026FPTT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320F28026FPTT requirements.
6.How does Aetrix verify that TMS320F28026FPTT is sourced from the original manufacturer or authorized distributors?
All TMS320F28026FPTT 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 TMS320F28026FPTT meets industry standards.
7.What is the process for return or replacement of TMS320F28026FPTT?
All TMS320F28026FPTT units undergo pre-shipment inspection (PSI). If there is an issue with TMS320F28026FPTT, 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 TMS320F28026FPTT part is unused and in its original packaging.
Return procedure for TMS320F28026FPTT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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