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Texas Instruments TMS320F28054PNS
- Part No.:
- TMS320F28054PNS
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
TMS320F28054PNS.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,502
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Product details
Overview
TMS320F28054PNS 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, 7 analog comparators (3 with internal DACs), and 4 programmable gain amplifiers - designed for closed-loop motor control in air conditioner outdoor units and BLDC drives.
For engineers reviewing the TMS320F28054PNS datasheet, TMS320F28054PNS pinout, TMS320F28054PNS application, or TMS320F28054PNS 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 TMS320F28054PNS implements a Harvard-architecture 32-bit C28x CPU with atomic instruction execution and unified memory mapping, enabling deterministic real-time interrupt response within 6–8 cycles. Its dedicated CLA executes floating-point control law code independently of the main CPU, offloading time-critical PWM update and current loop calculations.
On-chip analog integration includes two independent ADC groups (16 channels total), dual sample-and-hold, and an Analog Front End with 7 comparators, 4 PGAs (gain ≈ 3/6/11), and 4 digital filters - all directly routable to ePWM trip zones for hardware-protected fast overcurrent shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C28x 32-bit fixed-point core at 60 MHz (16.67-ns cycle time); supports 16×16 and 32×32 MAC operations |
| CLA | 32-bit floating-point math accelerator running parallel to CPU; executes independent control law code without CPU intervention |
| ADC | 12-bit, 3.75-MSPS sampling rate, 16-channel input (dual-group A/B), 267-ns conversion time, ratio-metric reference support |
| ePWM | 14-channel enhanced PWM with independent 16-bit timers, dead-band generation, trip-zone inputs, and high-resolution (HR) capability |
| Analog Peripherals | 7 comparators (3 with integrated 6-bit DACs), 1 buffered reference DAC, 4 PGAs (3 discrete gains), 4 digital filters |
| Package & Temp | 80-pin LQFP (12 mm × 12 mm); rated for –40°C to 125°C (S-grade industrial temperature range) |
| Security | Dual-zone security module with 128-bit key lock; protects Flash, SARAM, OTP, and Secure ROM against unauthorized access and reverse engineering |
Pinout & Package
80-pin Low-Profile Quad Flatpack (LQFP), 12.0 mm × 12.0 mm body size, 0.5-mm pitch, exposed thermal pad (not electrically connected). Pin 1 marked by dot or bevelled corner; top view shown in datasheet Figure 6-1.
| 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; no sequencing required when internal VREG enabled |
| VDD (Pins 6, 54, 73) | CPU and logic core power | Supplies 1.8-V core via internal regulator; decoupled with 1.2-µF capacitors per pin |
| VDDA (Pin 20) | Analog subsystem power | Separate 3.3-V analog supply for ADC, comparators, and PGAs; requires local 2.2-µF decoupling |
| XRS (Pin 8) | Reset input/output | Open-drain active-low reset; driven low internally during POR/BOR/watchdog timeout; external pullup required (2.2–10 kΩ) |
| VREGENZ (Pin 71) | VREG enable control | Pulldown-enabled input: tie to VSS to activate internal 1.8-V regulator; tie to VDDIO to disable and use external 1.8-V supply |
| GPIO0–GPIO42 | Multiplexed I/O | 42 pins configurable as GPIO or peripheral functions (ePWM, eCAP, eQEP, SCI, SPI, I²C, CAN); all support internal pullup |
Key Features
| Feature | Design Value |
|---|---|
| Integrated VREG | On-chip 1.8-V regulator enables single 3.3-V system supply, eliminating external core voltage rail and reducing BOM count |
| Hardware Trip-Zone Protection | Direct comparator-to-ePWM routing allows sub-microsecond overcurrent shutdown without CPU intervention |
| InstaSPIN-FOC Ready | Pre-integrated hardware and ROM boot support for TI's field-oriented control firmware, accelerating motor control development |
| Dual ADC Sample-and-Hold | Simultaneous sampling of up to two analog channels enables precise current/voltage vector acquisition for FOC algorithms |
| JTAG Boundary Scan | Fully compliant IEEE 1149.1 interface with TRST, TCK, TMS, TDI, TDO on dedicated pins (GPIO35–38, Pin 9) for production test and debug |
Applications
| Air Conditioner Outdoor Unit | Inverter Motor Drive |
|---|---|
Use Scenario: Variable-speed compressor and fan control in residential/commercial HVAC systems requiring high-efficiency, low-noise operation across wide load ranges. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithms, managing ePWM timing for IGBT gate drivers, and sampling current/voltage feedback via dual ADC groups. Use Value: Integrated PGAs and comparators enable direct current sensing and hardware-triggered fault shutdown, improving system reliability and meeting IEC 60335 safety requirements. | Use Scenario: Closed-loop speed/torque control of 3-phase PMSM or BLDC motors in industrial pumps, fans, and compressors. IC Role / Device Role / Timing Role: Primary motion controller running CLA-accelerated current loops at ≤10 µs intervals while CPU handles communication (SCI/I²C) and supervisory tasks. Use Value: 3.75-MSPS ADC with 267-ns conversion time ensures minimal phase lag in current feedback, enabling >20-kHz PWM carrier frequencies for low acoustic noise. |
| AC-Input BLDC Drive | Door Operator Control |
Use Scenario: Single-phase AC-fed BLDC motor drive for garage door openers, requiring compact design, EMI robustness, and stall detection. IC Role / Device Role / Timing Role: System-on-chip controller handling rectified AC input monitoring, DC bus regulation, commutation sequencing, and mechanical end-stop detection via eQEP and eCAP. Use Value: On-chip temperature sensor compensates oscillator drift during thermal cycling, maintaining accurate timing for PWM dead-band and commutation windows. | Use Scenario: Safety-critical bidirectional actuator control in automatic sliding doors, requiring soft-start, obstacle detection, and emergency stop compliance. IC Role / Device Role / Timing Role: Real-time safety monitor using analog comparators to detect motor current spikes or encoder anomalies, triggering immediate ePWM disable via hardware trip zones. Use Value: Dual-zone security prevents firmware tampering; 128-bit key lock ensures integrity of safety-critical control parameters stored in Flash and SARAM. |
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; 64 KB Flash vs. 64 KB; identical pinout and peripheral set | Supports more complex CLA-based control laws (e.g., multi-axis coordination, adaptive observers) | Select when CLA utilization is required for latency-critical inner-loop computation beyond TMS320F28054PNS capability |
| TMS320F28052PN | No CLA; 10 KB SARAM vs. 10 KB; same 60-MHz C28x core and analog peripherals | Suitable for cost-sensitive, lower-complexity motor control where CLA is unused | Choose for simplified firmware architecture and reduced licensing overhead when CLA acceleration is unnecessary |
Compared with TMS320F28055PN, TMS320F28054PNS omits the CLA but retains full analog integration and timing performance; versus TMS320F28052PN, it adds CLA support while matching Flash/SARAM size and peripheral count - making it optimal for CLA-enabled FOC implementations without over-provisioning.
Availability
TMS320F28054PNS is available at Aetrix Electronics and suitable for air conditioner outdoor units, inverter motor drives, and AC-input BLDC motor drives requiring stable component supply, long-term industrial temperature support, and automotive-grade traceability.
Supply support for TMS320F28054PNS 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 and power management solutions.
The TMS320F2805x product line delivers entry-performance C2000™ MCUs optimized for cost-sensitive, high-volume motor control and digital power applications - integrating analog signal conditioning, precision timing, and security in low-pin-count packages.
FAQ
What is the maximum operating temperature rating for the TMS320F28054PNS?
The TMS320F28054PNS is rated for operation from –40°C to +125°C (S-grade industrial temperature range), validated per TI's thermal resistance characteristics for the 80-pin PN LQFP package. This rating applies to continuous operation under recommended electrical conditions and proper PCB thermal design, including adequate copper pour and thermal vias beneath the exposed pad.
Does the TMS320F28054PNS include a programmable gain amplifier (PGA)?
Yes, the TMS320F28054PNS integrates four programmable gain amplifiers (PGAs) with discrete gain settings of approximately 3, 6, or 11 - directly usable with ADC inputs and analog comparators. These PGAs are part of the Analog Front End and support hardware-routed signal paths to ePWM trip zones for real-time protection.
Can the TMS320F28054PNS operate from a single 3.3-V supply?
Yes, the TMS320F28054PNS supports single-rail 3.3-V operation using its integrated voltage regulator (VREG). When VREGENZ is tied low, the internal 1.8-V core supply is generated - eliminating need for external core regulators. VDDIO, VDD, and VDDA are all powered from the same 3.3-V source with appropriate local decoupling.
How many ePWM modules does the TMS320F28054PNS support?
The TMS320F28054PNS supports 14 enhanced PWM (ePWM) modules, each with independent 16-bit time-base counters, dead-band generation, and trip-zone inputs. All 14 channels are accessible on the 80-pin LQFP package and can be synchronized via EPWMSYNCI/EPWMSYNCO signals for multi-phase inverter control.
Is the TMS320F28054PNS pin-compatible with other F2805x devices?
Yes, the TMS320F28054PNS shares identical 80-pin LQFP (PN) package, pinout, and peripheral mapping with all other F2805x variants including TMS320F28055PN, TMS320F28053PN, and TMS320F28052PN - enabling hardware reuse across performance tiers. Differences are limited to internal memory size and CLA presence, not pin function or electrical behavior.
TMS320F28054PNS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-LQFP
- Series:
- C2000™ C28x Piccolo™
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 10K 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:
TMS320F28054PNS FAQ
1.How can I place an order for TMS320F28054PNS through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS320F28054PNS 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 TMS320F28054PNS reliable?
The price and inventory of TMS320F28054PNS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320F28054PNS is usually 5 days.
3.What payment methods are accepted for TMS320F28054PNS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320F28054PNS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS320F28054PNS?
TMS320F28054PNS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS320F28054PNS 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 TMS320F28054PNS?
For technical support, including TMS320F28054PNS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320F28054PNS requirements.
6.How does Aetrix verify that TMS320F28054PNS is sourced from the original manufacturer or authorized distributors?
All TMS320F28054PNS 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 TMS320F28054PNS meets industry standards.
7.What is the process for return or replacement of TMS320F28054PNS?
All TMS320F28054PNS units undergo pre-shipment inspection (PSI). If there is an issue with TMS320F28054PNS, 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 TMS320F28054PNS part is unused and in its original packaging.
Return procedure for TMS320F28054PNS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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