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Texas Instruments TMS320F28054FPNS
- Part No.:
- TMS320F28054FPNS
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
TMS320F28054FPNS.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,754
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Product details
Overview
TMS320F28054FPNS from Texas Instruments is a 60-MHz C28x-core real-time microcontroller with integrated CLA accelerator, 14-channel ePWM, 12-bit 3.75-MSPS ADC, and analog front-end including 7 comparators, 4 PGAs, and 3 internal DACs - designed for closed-loop motor control in AC-input BLDC drives and inverter systems.
For engineers reviewing the TMS320F28054FPNS datasheet, TMS320F28054FPNS pinout, TMS320F28054FPNS application, or TMS320F28054FPNS equivalent, key selection criteria include its 80-pin LQFP package, single 3.3-V supply operation, dual-zone security, on-chip VREG, and support for InstaSPIN-FOC firmware acceleration.
Technical Context
The TMS320F28054FPNS implements a Harvard-architecture C28x CPU with atomic instruction execution, fast interrupt response, and unified memory model - enabling deterministic real-time control loops. Its programmable control law accelerator (CLA) runs floating-point math independently of the main CPU, offloading PWM timing-critical tasks like field-oriented control (FOC) calculations.
Analog integration includes dual-sample-and-hold ADC with 16 channels, ratio-metric reference support (VREFHI/VREFLO), and an analog front-end with op-amp-configurable inputs routed directly to ePWM trip zones - allowing hardware-level fault protection without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C28x 32-bit fixed-point core at 60 MHz (16.67-ns cycle time), supporting 16×16 and 32×32 MAC operations |
| CLA | 32-bit floating-point math accelerator executing code independently of CPU - enables parallel real-time control loop execution |
| ADC | 12-bit, 3.75-MSPS sampling rate, 16-channel input with dual sample-and-hold - supports simultaneous current/voltage acquisition for FOC |
| ePWM | 14 independent channels with high-resolution dead-band generation and trip-zone inputs - suitable for 3-phase inverter gate drive |
| Analog Front End | 7 comparators (3 with integrated DACs), 4 PGAs (gain ≈ 3/6/11), 1 buffered reference DAC - enables hardware-based overcurrent and overvoltage protection |
| Memory | 64 KB on-chip Flash (16-bit word), 10 KB SARAM, 12 KB Boot ROM, 1 KB OTP - sufficient for full FOC stack plus application code |
| Package | 80-pin LQFP (PN), 12.0 mm × 12.0 mm body size - compatible with standard industrial PCB assembly processes |
Pinout & Package
80-pin Low-Profile Quad Flatpack (LQFP), 12.0 mm × 12.0 mm body, 0.5-mm pitch. Thermal pad exposed on underside for enhanced heat dissipation in motor control applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO (Pins 38, 70) | Digital I/O power supply | Single 3.3-V rail powers GPIO, Flash, and peripheral logic - eliminates need for separate I/O voltage regulators |
| VDD (Pins 6, 54, 73) | CPU and logic core power | Supplies 1.8-V internal regulator output when VREGENZ = low - enables single-rail system design |
| VREGENZ (Pin 71) | Voltage regulator enable | Active-low control: tie to VSS to enable internal 1.8-V VREG; tie to VDDIO to disable and use external 1.8-V supply |
| GPIO0–GPIO42 | Configurable digital I/O | 42 multiplexed pins with per-pin pullup control - supports ePWM, eCAP, eQEP, SCI/UART, SPI, I²C, and CAN functions |
| ADCINA0–ADCINA7 / ADCINB0–ADCINB7 | Analog input channels | 16 total ADC inputs grouped into A/B banks - supports differential sensing and op-amp feedback paths for current measurement |
| X1/X2 (Pins 52/51) | Crystal oscillator interface | Supports external 1.8-V crystal/resonator; internal zero-pin oscillators available as alternative clock source |
Key Features
| Feature | Design Value |
|---|---|
| Dual-zone security module | Protects Flash, SARAM, OTP, and Secure ROM with 128-bit key - prevents firmware reverse-engineering and unauthorized code execution |
| Integrated analog front-end | 7 comparators with 3 internal DACs + 1 buffered reference DAC + 4 PGAs - enables hardware-triggered PWM shutdown for overcurrent/overvoltage events |
| Real-time debug support | Hardware analysis and breakpoint functions with JTAG IEEE 1149.1 compliance - allows live inspection of CPU/CLA registers during motor runtime |
| Low-power system architecture | No power sequencing required; integrated POR/BOR; single 3.3-V supply - reduces BOM cost and simplifies power design for compact inverters |
| Peripheral interrupt expansion (PIE) | Centralized vectoring for all peripheral interrupts - ensures deterministic latency for time-critical ePWM and ADC events |
Applications
| Air Conditioner Outdoor Unit | Inverter & Motor Control |
|---|---|
Use Scenario: Variable-speed compressor and fan control in residential and commercial HVAC systems. IC Role / Device Role / Timing Role: Real-time execution of field-oriented control (FOC) algorithms via C28x+CLA co-processing; ADC samples phase currents at 3.75 MSPS for precise torque regulation. Use Value: Enables >95% efficiency across load range while meeting IEC 61000-3-2 harmonic limits through synchronized PWM switching and adaptive current loop bandwidth. |
Use Scenario: Closed-loop speed/torque control of permanent magnet synchronous motors (PMSM) and induction motors in industrial drives. IC Role / Device Role / Timing Role: Primary controller managing ePWM outputs, ADC conversions, and comparator-triggered fault responses - all within <500 ns worst-case interrupt latency. Use Value: Eliminates need for external analog comparators and discrete op-amps by integrating trip-zone routing from PGA outputs directly to ePWM modules. |
| AC Drive Control Module | Door Operator Drive Control |
Use Scenario: Compact 3-phase AC drive for pumps, conveyors, and fans in OEM machinery. IC Role / Device Role / Timing Role: Executes sensorless FOC using InstaSPIN-FOC firmware; leverages CLA for real-time flux estimation and current regulation independent of main CPU. Use Value: Reduces development time by providing certified motor control libraries and hardware-accelerated observer routines - validated for 0–20 kHz PWM carrier frequencies. |
Use Scenario: Safety-critical door actuation in automatic sliding doors and elevator systems requiring smooth start/stop profiles and stall detection. IC Role / Device Role / Timing Role: Monitors motor current via integrated ADC and comparators; triggers immediate ePWM shutdown on overcurrent events with sub-microsecond response. Use Value: Meets EN 16005 safety requirements through hardware-enforced torque limiting and dual-redundant fault detection paths (comparator + ADC + CLA-based observer). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar real-time motor control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320F28055PN | Includes CLA accelerator and 64 KB Flash (same as TMS320F28054FPNS), but adds 1 additional eCAP channel and full 7-comparator AFE | Preferred for designs requiring extra capture capability for encoder index pulse decoding or multi-sensor synchronization | Select when CLA usage is mandatory and additional eCAP functionality improves system timing margin |
| TMS320F28052PN | Same 60-MHz C28x core and package, but reduced analog resources: 6 comparators, 3 PGAs, 2 internal DACs, and 2-MSPS ADC | Suitable for cost-sensitive, lower-performance applications such as basic BLDC commutation without sensorless FOC | Choose when full InstaSPIN-FOC capability is unnecessary and BOM cost reduction outweighs ADC speed and analog integration |
Compared with TMS320F28055PN, TMS320F28054FPNS offers identical CLA and Flash but fewer analog peripherals; versus TMS320F28052PN, it delivers higher ADC throughput and richer AFE for demanding sensorless control - making it the optimal balance for mid-tier inverter designs.
Availability
TMS320F28054FPNS is available at Aetrix Electronics and suitable for air conditioner outdoor units, inverter & motor control systems, and AC drive control modules requiring stable component supply and long-term industrial lifecycle support.
Supply support for TMS320F28054FPNS 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 MCUs for industrial and automotive markets.
The TMS320F2805x product line delivers entry-performance C2000™ real-time microcontrollers optimized for cost-sensitive motor control, digital power, and sensing applications - emphasizing analog integration, single-supply operation, and code compatibility with higher-tier C28x devices.
FAQ
What is the maximum operating temperature range for the TMS320F28054FPNS?
The TMS320F28054FPNS is rated for operation from –40°C to 105°C (temperature grade 'T'). This range is validated per manufacturer specifications and supports deployment in industrial motor drives and HVAC outdoor units where ambient temperatures exceed 85°C.
Does the TMS320F28054FPNS include a built-in voltage regulator?
Yes, the TMS320F28054FPNS integrates an internal 1.8-V voltage regulator (VREG) enabled via the VREGENZ pin (Pin 71). When VREGENZ is tied low, the device operates from a single 3.3-V supply - eliminating external LDOs and simplifying power design for space-constrained inverters.
How many PWM channels does the TMS320F28054FPNS support?
The TMS320F28054FPNS supports 14 enhanced PWM (ePWM) channels, each with independent time-base, compare, and dead-band generation. These channels are fully configurable for 3-phase inverter topologies, including complementary outputs with programmable trip-zone inputs for hardware fault protection.
Is the TMS320F28054FPNS pin-compatible with other F2805x family members?
Yes, the TMS320F28054FPNS shares the same 80-pin LQFP (PN) package and pinout with TMS320F28055PN, TMS320F28053PN, TMS320F28052PN, and TMS320F28051PN - enabling hardware reuse across performance tiers while maintaining identical PCB layout and signal routing.
What communication interfaces are available on the TMS320F28054FPNS?
The TMS320F28054FPNS includes three SCI/UART modules, one SPI module, one I²C bus, and one enhanced CAN (eCAN) interface - supporting diagnostics, host communication, sensor interfacing, and distributed control network integration in motor drive systems.
TMS320F28054FPNS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-LQFP
- Series:
- C2000™ C28x Piccolo™
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C28x
- Core Size:
- 32-Bit Single-Core
- Speed:
- 60MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 42
- Program Memory Size:
- 128KB (64K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 16
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 1.995V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMS320F28054FPNS FAQ
1.How can I place an order for TMS320F28054FPNS through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS320F28054FPNS 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 TMS320F28054FPNS reliable?
The price and inventory of TMS320F28054FPNS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320F28054FPNS is usually 5 days.
3.What payment methods are accepted for TMS320F28054FPNS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320F28054FPNS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS320F28054FPNS?
TMS320F28054FPNS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS320F28054FPNS 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 TMS320F28054FPNS?
For technical support, including TMS320F28054FPNS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320F28054FPNS requirements.
6.How does Aetrix verify that TMS320F28054FPNS is sourced from the original manufacturer or authorized distributors?
All TMS320F28054FPNS 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 TMS320F28054FPNS meets industry standards.
7.What is the process for return or replacement of TMS320F28054FPNS?
All TMS320F28054FPNS units undergo pre-shipment inspection (PSI). If there is an issue with TMS320F28054FPNS, 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 TMS320F28054FPNS part is unused and in its original packaging.
Return procedure for TMS320F28054FPNS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TMS320F28054FPNS Tags
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