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Texas Instruments TMS320F28075PTPT
- Part No.:
- TMS320F28075PTPT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
TMS320F28075PTPT.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 176HLQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,556
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Product details
Overview
TMS320F28075PTPT from Texas Instruments is a 120MHz C28x 32-bit floating-point real-time microcontroller with IEEE 754 FPU, Trigonometric Math Unit (TMU), and independent 120MHz Control Law Accelerator (CLA). It integrates 512KB ECC-protected flash, 100KB RAM (ECC/parity), three 12-bit ADCs (3.1MSPS each), 24 ePWM channels (16 HRPWM), dual CAN, USB 2.0, and CLB for industrial motor control and solar inverter applications.
For engineers reviewing the TMS320F28075PTPT datasheet, TMS320F28075PTPT pinout, TMS320F28075PTPT application, or TMS320F28075PTPT equivalent, key selection criteria include HRPWM resolution for power stage timing, ADC concurrency for three-phase current sensing, CLA offload capability for torque-loop execution, and functional safety certification up to ASIL B/SIL 2.
Technical Context
The TMS320F28075PTPT implements a dual-core real-time architecture: the main C28x CPU executes control firmware while the CLA coprocessor handles time-critical tasks like PWM update, ADC post-processing, and comparator-triggered trip logic-both operating at 120MHz with IEEE 754 single-precision support. Its analog subsystem includes three independent 12-bit ADCs with hardware-accelerated post-processing (offset calibration, windowed compare, DAC-referenced comparators) and three buffered 12-bit DAC outputs.
Peripherals are tightly coupled via dedicated data bus bridges: ePWM modules support dead-band generation and fault zone (TZ) inputs; eCAP/eQEP enable precise position/speed capture; SDFM provides sigma-delta filtering for isolated current sensing; and dual CAN interfaces comply with ISO 11898-1/CAN 2.0B with 32-message mailboxes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C28x 32-bit with IEEE 754 FPU and TMU - enables real-time trigonometric computation for motor torque/position loops without software library overhead |
| CLA Coprocessor | Independent 120MHz 32-bit floating-point unit - executes time-critical control code concurrently with main CPU, reducing latency for PWM updates and ADC processing |
| Flash / RAM | 512KB ECC-protected flash + 100KB RAM (ECC/parity) - supports robust firmware storage and runtime data integrity in industrial environments |
| ADC System | Three 12-bit ADCs, 3.1MSPS each, 17 external channels - allows simultaneous sampling of three-phase currents/voltages with hardware saturation and error-from-setpoint calculation |
| PWM Capability | 24 ePWM channels, 16 with high-resolution (HRPWM) on both A/B legs - delivers sub-nanosecond duty-cycle resolution for precise gate driver timing in SiC/GaN inverters |
| Safety Certification | ISO 26262 ASIL B & IEC 61508 SIL 2 certified by TÜV SÜD - provides documented hardware integrity and safety manual for functional safety system integration |
| Package | 176-pin HLQFP (PTP), 26mm × 26mm PowerPAD™ - thermally enhanced for high-power motor control PCBs with exposed die pad soldered to internal GND plane |
Pinout & Package
176-pin PowerPAD™ Thermally Enhanced Low-Profile Quad Flatpack (HLQFP), 26mm × 26mm body size, with exposed thermal pad requiring solder connection to PCB ground plane for thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VDDIO | Digital core & I/O supply | 3.3V I/O with internal 1.2V core regulator - simplifies power design; separate VDDIO domains allow mixed-voltage interface handling |
| VDDA / VREFHIA / VREFLOA | Analog reference domain | 1.2V analog supply with dedicated high/low reference pins per ADC - enables ratiometric measurement stability across temperature |
| ADCINA0–ADCINA5, ADCINB0–ADCINB5, ADCIN14–ADCIN15 | Analog input channels | 17 total external ADC inputs shared across three 12-bit converters - supports full three-phase current/voltage sensing plus auxiliary signals |
| EPWM1A/1B–EPWM12A/12B | Enhanced PWM outputs | 24 configurable PWM outputs, 16 with HRPWM - enables interleaved multi-phase inverter topologies with programmable dead-band and fault-zone shutdown |
| CANTXA/CANRXA, CANTXB/CANRXB | CAN transceiver interface | Dual ISO 11898-1-compliant CAN ports with 32-message mailboxes - supports redundant communication or distributed control networks |
| USBDM/USBDP | USB 2.0 full-speed PHY interface | Integrated MAC + PHY - enables direct host connectivity for firmware updates, diagnostics, and real-time debug without external transceiver |
| X1/X2 | Crytal oscillator input | On-chip crystal oscillator supporting 1–20MHz crystals - eliminates need for external clock source while maintaining timing accuracy |
| TCK/TMS/TDO/TDI/TRST | JTAG debug interface | IEEE 1149.1-compliant boundary scan - supports full-speed emulation, flash programming, and real-time variable monitoring |
Key Features
| Feature | Design Value |
|---|---|
| Trigonometric Math Unit (TMU) | Hardware-accelerated sine/cosine/arctangent instructions reduce torque-loop computation time by >80% vs. software library, enabling higher control bandwidth |
| Configurable Logic Block (CLB) | Four CLB tiles implement custom digital logic (e.g., position manager, encoder interpolation) directly in hardware, offloading CPU/CLA cycles |
| Windowed Comparator Subsystem (CMPSS) | Eight independent comparators with 12-bit DAC references - trigger immediate PWM trip on overcurrent/overvoltage with <100ns latency |
| Sigma-Delta Filter Module (SDFM) | Eight input channels, two parallel filters per channel - enables direct interface to isolated ΣΔ current sensors without external decimation logic |
| Dual-Zone Code Security | 128-bit encryption for flash/RAM/OTP with secure boot ROM - protects third-party IP and prevents unauthorized firmware modification |
| Hardware Built-in Self Test (HWBIST) | Automated memory and logic self-test at startup - satisfies IEC 60730 Class C and UL 1998 Class 2 requirements for appliance safety certification |
Applications
| Industrial Motor Drives | Solar Inverters |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM/BLDC motors in HVAC compressors and conveyor systems. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm (Park/Clarke transforms, PI regulators, space-vector modulation) with sub-microsecond loop timing. Use Value: CLA offloads torque-loop calculations while CPU manages communication and diagnostics; HRPWM ensures <1ns duty-cycle resolution for SiC gate drivers. |
Use Scenario: MPPT tracking and grid-synchronization in string-level solar inverters with transformerless topology. IC Role / Device Role / Timing Role: Simultaneous sampling of DC-link voltage/current and AC grid voltage/current using three ADCs; real-time PLL and harmonic compensation. Use Value: Three concurrent 12-bit ADCs enable synchronized three-phase acquisition; dual CAN supports rapid firmware updates and grid compliance reporting. |
| EV On-Board Chargers (OBC) | Energy Storage PCS |
Use Scenario: Bidirectional AC/DC conversion in 6.6kW+ OBC modules with GaN switching and active EMI filtering. IC Role / Device Role / Timing Role: High-frequency PWM generation (≥200kHz), isolated current sensing via SDFM, and safety-critical fault response. Use Value: 16 HRPWM channels support interleaved totem-pole PFC; CMPSS triggers <100ns PWM disable on overcurrent, meeting ISO 26262 ASIL B requirements. |
Use Scenario: Centralized power conversion in battery energy storage systems (BESS) with 400–800V DC bus and grid-tie functionality. IC Role / Device Role / Timing Role: Dual-loop control (battery current + grid reactive power), harmonic injection, and anti-islanding detection. Use Value: USB 2.0 enables local commissioning and firmware updates; EMIF supports external SDRAM for waveform logging and event capture buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar real-time control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320F28076PTPT | Same package and pinout; adds 4 CLB tiles (vs. 0) and full 3-ADC + 8-CMPSS analog subsystem (vs. 2-ADC + 4-CMPSS in F28075) | Required for designs needing position manager logic or expanded analog monitoring (e.g., dual-motor drives) | Select F28076 when CLB-based encoder interpolation or additional comparator trip paths are needed; otherwise F28075 offers cost-optimized feature set. |
| TMS320F280049PTP | 100-pin HTQFP; lower peripheral count (15 ePWM, 2 ADC, 4 CMPSS); no USB or EMIF; CLA at 100MHz | Suitable for cost-sensitive, space-constrained applications like small AC drives or fan controllers where full F28075 capability is unnecessary | Choose F280049 for simplified BOM and smaller PCB footprint when 176-pin I/O density and USB/EMIF are not required. |
Compared with TMS320F28075PTPT, the F28076PTPT delivers expanded CLB and analog resources for complex multi-axis systems, while the F280049PTP reduces cost and size at the expense of USB, EMIF, and HRPWM count-making it suitable only for less demanding real-time control tasks.
Availability
TMS320F28075PTPT is available at Aetrix Electronics and suitable for industrial motor drives, solar inverters, and EV on-board chargers requiring stable component supply across extended product lifecycles.
Supply support for TMS320F28075PTPT 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 wireless technologies, with leadership in real-time control MCUs for industrial and automotive markets.
The TMS320F28075PTPT belongs to TI's C2000™ Premium performance MCU line, designed specifically for high-fidelity closed-loop control in power electronics-including motor drives, renewable energy inverters, and EV charging infrastructure.
FAQ
What is the maximum operating junction temperature for the TMS320F28075PTPT?
The TMS320F28075PTPT is rated for –40°C to 105°C junction temperature (TJ) under commercial conditions. This rating is confirmed in the device's Recommended Operating Conditions table and applies to the PTP (HLQFP-176) package variant. Thermal design must ensure the exposed PowerPAD™ die pad is soldered to a sufficient copper area with thermal vias to maintain safe operation at full CPU/CLA load.
Does the TMS320F28075PTPT support pin-compatible migration from earlier C2000 devices?
No, the TMS320F28075PTPT is not pin-compatible with prior-generation C2000 MCUs such as the F2803x or F2806x families. Its 176-pin HLQFP package, peripheral mapping (e.g., dual CAN, USB, EMIF), and signal multiplexing scheme are unique to the F2807x series. Migration requires PCB redesign and firmware adaptation to leverage new features like CLA and HRPWM.
How many independent ADC modules does the TMS320F28075PTPT integrate?
The TMS320F28075PTPT integrates three independent 12-bit analog-to-digital converters (ADC-A, ADC-B, ADC-D), each capable of 3.1MSPS sampling. All three ADCs share common external input pins (e.g., ADCIN14, ADCIN15) but operate concurrently with individual result registers and hardware post-processing units-enabling true simultaneous three-phase acquisition.
Is USB functionality available on the TMS320F28075PTPT without external components?
Yes, the TMS320F28075PTPT includes a fully integrated USB 2.0 controller with MAC and full-speed PHY, requiring only standard USB connector routing (USBDP/USBDM) and appropriate ESD protection. No external transceiver or PHY IC is needed, simplifying board layout and reducing BOM cost for host-facing diagnostics and firmware updates.
What safety certifications apply to the TMS320F28075PTPT?
The TMS320F28075PTPT is certified to ISO 26262 ASIL B and IEC 61508 SIL 2 by TÜV SÜD. It also meets IEC 60730 Class C and UL 1998 Class 2 requirements. These certifications cover hardware integrity, failure modes, and diagnostic coverage-supported by TI's Functional Safety Package including FMEDA reports, safety manuals, and diagnostic software libraries for TMS320F28075PTPT-based systems.
TMS320F28075PTPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 176-LQFP Exposed Pad
- Series:
- C2000™ C28x Piccolo™, Functional Safety (FuSa)
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- C28x
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, McBSP, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 97
- Program Memory Size:
- 512KB (256K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 50K x 16
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 3.47V
- Data Converters:
- A/D 17x12b; D/A 3x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMS320F28075PTPT FAQ
1.How can I place an order for TMS320F28075PTPT through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS320F28075PTPT 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 TMS320F28075PTPT reliable?
The price and inventory of TMS320F28075PTPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320F28075PTPT is usually 5 days.
3.What payment methods are accepted for TMS320F28075PTPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320F28075PTPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS320F28075PTPT?
TMS320F28075PTPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS320F28075PTPT 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 TMS320F28075PTPT?
For technical support, including TMS320F28075PTPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320F28075PTPT requirements.
6.How does Aetrix verify that TMS320F28075PTPT is sourced from the original manufacturer or authorized distributors?
All TMS320F28075PTPT 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 TMS320F28075PTPT meets industry standards.
7.What is the process for return or replacement of TMS320F28075PTPT?
All TMS320F28075PTPT units undergo pre-shipment inspection (PSI). If there is an issue with TMS320F28075PTPT, 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 TMS320F28075PTPT part is unused and in its original packaging.
Return procedure for TMS320F28075PTPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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