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Texas Instruments TMS320F28052MPNT
- Part No.:
- TMS320F28052MPNT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
TMS320F28052MPNT.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TMS320F28052MPNT from Texas Instruments is a 60-MHz C28x-core real-time microcontroller with integrated CLA accelerator, 12-bit ADC (2 MSPS), 14 ePWM channels, and analog front-end including 6 comparators, 2 internal DACs, 1 buffered reference DAC, and 3 PGAs - designed for closed-loop motor control in AC-input BLDC drives and inverter systems.
For engineers reviewing the TMS320F28052MPNT datasheet, TMS320F28052MPNT pinout, TMS320F28052MPNT application, or TMS320F28052MPNT equivalent, key selection criteria include its 80-pin LQFP package, single 3.3-V supply operation, dual-zone security, eCAN interface, and InstaSPIN-FOC enablement - all validated for industrial motor drive BOMs requiring deterministic timing and analog integration.
Technical Context
The TMS320F28052MPNT implements a Harvard-architecture C28x CPU with atomic instruction execution and unified memory mapping, paired with a dedicated 32-bit floating-point CLA that offloads control-law computation independently of the main core. Its analog subsystem integrates dual-sample-and-hold ADC with 16 channels, ratio-metric reference support (VREFHI/VREFLO), and programmable gain amplifiers with discrete 3×/6×/11× gain modes.
Peripheral coordination is managed via a centralized PIE block supporting all interrupts, while clocking uses dual zero-pin oscillators or external crystal (X1/X2) with missing-clock detection. Security includes 128-bit key locking, dual-zone flash/SARAM protection, and secure boot ROM - all operating under –40°C to 105°C (T-grade) conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | TMS320C28x at 60 MHz (16.67-ns cycle time); enables deterministic real-time loop execution in motor control |
| CLA Accelerator | 32-bit floating-point math coprocessor; executes independent control code without CPU intervention |
| ADC Performance | 12-bit, 2 MSPS conversion rate, 500-ns conversion time, 16-channel input with dual sample-and-hold |
| Analog Front End | 6 comparators, 2 internal DACs, 1 buffered VREFOUT DAC, 3 PGAs (gain ≈ 3/6/11), 4 digital filters |
| ePWM Channels | 14 independent channels with dead-band, trip-zone, and synchronization support for multi-phase inverter control |
| Package & Temp | 80-pin LQFP (12.0 mm × 12.0 mm), rated for –40°C to 105°C (T-grade) |
| Security | Dual-zone security module with 128-bit key lock; protects flash, SARAM, OTP, and secure ROM blocks |
Pinout & Package
Package: 80-pin Low-Profile Quad Flatpack (LQFP), 12.0 mm × 12.0 mm body size, surface-mount compatible with standard reflow profiles.
| 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 with internal VREG |
| VDD (Pins 6, 54, 73) | CPU/digital core power | Supplies 1.8-V core via internal regulator when VREGENZ = low; decoupled with 1.2-µF capacitors |
| VDDA (Pin 20) / VSSA (Pin 21) | Analog power/ground | Isolated analog domain for ADC, comparators, and PGAs; requires local 2.2-µF decoupling |
| X1 (Pin 52) / X2 (Pin 51) | Crystal oscillator interface | Supports external quartz/resonator; XCLKINSEL bit selects source between X1/X2 or GPIO38 |
| GPIO0–GPIO42 | Multiplexed I/O terminals | 42 pins with configurable pullup/down, input filtering, and peripheral function remapping (ePWM, eCAP, eQEP, etc.) |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Analog Front End | 6 comparators with direct PWM trip routing, 2 internal DACs for reference generation, and 3 PGAs enabling sensor signal conditioning without external op-amps |
| Real-Time Control Acceleration | Dedicated CLA executes floating-point control loops (e.g., FOC) concurrently with C28x CPU, reducing latency and jitter in motor phase current regulation |
| Dual-Zone Security Architecture | Hardware-enforced isolation between Zone 1 (locked secure ROM/flash) and Zone 2 (customer-accessible RAM/flash), preventing firmware reverse-engineering |
| Single-Rail Power System | Internal 1.8-V regulator eliminates need for external core voltage rail; VREGENZ pin enables/disables regulator with direct tie to VSS or VDDIO |
| eCAN Interface | Enhanced Controller Area Network module compliant with ISO 11898-1; supports diagnostics and communication in distributed motor drive architectures |
Applications
| Air Conditioner Outdoor Unit | Inverter & Motor Control |
|---|---|
Use Scenario: Variable-speed compressor drive in residential and commercial HVAC systems requiring precise torque and speed regulation under wide load and temperature ranges. IC Role / Device Role / Timing Role: Real-time controller executing field-oriented control (FOC) algorithms, sampling current/voltage sensors via 12-bit ADC, and generating 14-channel PWM outputs for 3-phase inverter gate drivers. Use Value: Integrated PGAs and comparators condition hall-effect/sensor signals on-chip; dual-sample-and-hold ADC enables synchronized current sampling across phases, improving torque ripple <±1%. | Use Scenario: Closed-loop speed and position control of permanent magnet synchronous motors (PMSM) in industrial automation systems with safety-critical torque monitoring. IC Role / Device Role / Timing Role: Primary motion controller managing ePWM dead-time insertion, eCAP-based rotor position capture, and eQEP quadrature decoding - all synchronized by PIE interrupt architecture. Use Value: CLA offloads FOC inner-loop calculations (Park/Clarke transforms, PI regulators), freeing C28x core for higher-level supervision, communications, and fault handling within 100-µs control cycles. |
| AC Drive Control Module | Door Operator Drive Control |
Use Scenario: Compact, cost-sensitive AC variable-frequency drive for pumps, fans, and conveyors operating from single-phase or three-phase mains input. IC Role / Device Role / Timing Role: System-on-chip controller integrating analog sensing (ADCINx), comparator-based overcurrent protection (CTRIPM1OUT), and 14 ePWM outputs for IGBT/SiC gate driving with programmable dead-band. Use Value: On-chip comparators route directly to ePWM trip-zones, enabling sub-100-ns fault response - faster than software-based protection - critical for IGBT short-circuit survival. | Use Scenario: Smart door operator with soft-start, obstacle detection, and bidirectional position control in commercial building access systems. IC Role / Device Role / Timing Role: Embedded controller performing current-mode commutation for BLDC motor, interpreting Hall sensor feedback via eQEP, and regulating torque using ADC-sampled phase currents. Use Value: InstaSPIN-FOC firmware support reduces development time; integrated DACs generate precise reference voltages for current shunt amplifiers, eliminating external precision references. |
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 |
|---|---|---|---|
| TMS320F28054PN | Same 80-pin LQFP package and 60-MHz C28x core, but includes CLA accelerator and 64KB flash (vs. 32KB in TMS320F28052MPNT) | Supports more complex control algorithms and larger firmware images; suitable for designs requiring future scalability | Select when CLA utilization or >32KB flash is required; otherwise TMS320F28052MPNT offers optimal cost/performance for basic InstaSPIN-FOC implementations |
| TMS320F28052FPT | Same core, peripherals, and analog features, but in 64-pin TQFP package with reduced GPIO count (34 vs. 42) and no eCAN interface | Targeted at space-constrained, lower-complexity drives where CAN bus is unnecessary and fewer I/Os suffice | Choose for compact PCB layouts where CAN is omitted and I/O count < 40 is acceptable; not drop-in compatible due to pin count and peripheral omission |
Compared with TMS320F28054PN and TMS320F28052FPT, the TMS320F28052MPNT delivers balanced analog integration (6 comparators, 3 PGAs), full eCAN connectivity, and 80-pin flexibility - making it the preferred choice for industrial inverter modules needing robust diagnostics, thermal resilience (105°C), and proven InstaSPIN-FOC deployment.
Availability
TMS320F28052MPNT 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, long-term industrial lifecycle support, and automotive-grade reliability validation.
Supply support for TMS320F28052MPNT 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 digital signal processing technologies with over 50 years of innovation in industrial and automotive control solutions.
The TMS320F2805x product line delivers entry-performance real-time MCUs optimized for cost-sensitive motor control, solar inverters, and digital power applications - combining C28x processing, analog integration, and InstaSPIN firmware acceleration in low-pin-count packages.
FAQ
What is the maximum operating frequency and instruction cycle time of the TMS320F28052MPNT?
The TMS320F28052MPNT operates at a maximum CPU frequency of 60 MHz, delivering a 16.67-ns instruction cycle time. This timing is guaranteed across the full –40°C to 105°C temperature range and supports deterministic real-time loop execution for motor control applications requiring sub-100-µs update rates. The TMS320F28052MPNT achieves this performance using the TMS320C28x core with Harvard bus architecture and atomic instruction execution.
Does the TMS320F28052MPNT include a programmable gain amplifier (PGA), and how many gain settings does it support?
Yes, the TMS320F28052MPNT includes three programmable gain amplifiers (PGAs) supporting discrete gain settings of approximately 3×, 6×, and 11×. These PGAs are part of the integrated analog front end and are used to condition analog sensor inputs - such as current shunt amplifier outputs - before ADC conversion. The TMS320F28052MPNT's PGA configuration is fixed per device variant and cannot be dynamically reconfigured during runtime.
What analog-to-digital converter (ADC) specifications apply to the TMS320F28052MPNT?
The TMS320F28052MPNT features a 12-bit ADC with 2 MSPS sampling rate, 500-ns conversion time, and 16 input channels organized in two groups (A and B). It supports ratio-metric referencing using VREFHI/VREFLO and includes dual sample-and-hold circuitry for simultaneous sampling. The ADC interface is optimized for low-latency access, with direct routing to ePWM triggers for synchronized current measurement in motor control loops.
Is the TMS320F28052MPNT pin-compatible with other devices in the F2805x family, such as the TMS320F28054PN?
Yes, the TMS320F28052MPNT is pin-compatible with other 80-pin LQFP variants in the F2805x family, including the TMS320F28054PN. All share identical pin assignments, electrical characteristics, and mechanical footprint. However, functional differences exist: the TMS320F28054PN includes a CLA accelerator and 64KB flash, while the TMS320F28052MPNT has 32KB flash and no CLA - meaning firmware and peripheral initialization must be verified for compatibility despite identical pinout.
What security features are implemented in the TMS320F28052MPNT to protect firmware and memory?
The TMS320F28052MPNT implements dual-zone security with 128-bit encryption key locking, protecting on-chip flash, SARAM, OTP, and secure ROM blocks. Zone 1 is factory-locked and contains secure boot code; Zone 2 is customer-programmable but isolated from Zone 1. Memory access is enforced by hardware, preventing unauthorized read-out or firmware reverse-engineering - a requirement for industrial IP protection and certification compliance.
TMS320F28052MPNT 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:
- 64KB (32K 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMS320F28052MPNT FAQ
1.How can I place an order for TMS320F28052MPNT through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS320F28052MPNT 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 TMS320F28052MPNT reliable?
The price and inventory of TMS320F28052MPNT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320F28052MPNT is usually 5 days.
3.What payment methods are accepted for TMS320F28052MPNT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320F28052MPNT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS320F28052MPNT?
TMS320F28052MPNT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS320F28052MPNT 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 TMS320F28052MPNT?
For technical support, including TMS320F28052MPNT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320F28052MPNT requirements.
6.How does Aetrix verify that TMS320F28052MPNT is sourced from the original manufacturer or authorized distributors?
All TMS320F28052MPNT 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 TMS320F28052MPNT meets industry standards.
7.What is the process for return or replacement of TMS320F28052MPNT?
All TMS320F28052MPNT units undergo pre-shipment inspection (PSI). If there is an issue with TMS320F28052MPNT, 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 TMS320F28052MPNT part is unused and in its original packaging.
Return procedure for TMS320F28052MPNT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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