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Texas Instruments TMX320F28069UPZPA
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- Part No.:
- TMX320F28069UPZPA
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-TQFP Exposed Pad
- Datasheet:
-
TMX320F28069UPZPA.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 100HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,220
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Product details
Overview
TMS320F28069UPZPA from Texas Instruments is a 90-MHz C28x-based real-time microcontroller with integrated FPU, CLA, and VCU, designed for high-precision motor control and digital power conversion. It delivers 11.11-ns instruction cycle time, 128KB flash, 50KB RAM, 16-channel 12-bit ADC at 3.46 MSPS, and 16 ePWM outputs (8 HRPWM-capable), targeting inverter gate drive and closed-loop servo applications.
For engineers reviewing the TMS320F28069UPZPA datasheet, TMS320F28069UPZPA pinout, TMS320F28069UPZPA application, or TMS320F28069UPZPA equivalent, key selection criteria include its dual-edge HRPWM capability, on-chip temperature sensor, 128-bit code security, USB 2.0 interface, and support for InstaSPIN-FOC™ firmware acceleration in real-time control systems.
Technical Context
The TMS320F28069UPZPA implements a Harvard architecture C28x CPU with atomic operations and unified memory programming, enabling deterministic real-time execution. Its CLA executes floating-point math independently of the main CPU, while the VCU extends instruction set support for complex multiply, Viterbi, and CRC operations-critical for field-oriented control algorithms.
Peripheral integration includes three eQEP modules for position feedback, four HRCAP units for precise timing capture, and dual-sample-and-hold ADC with ratio-metric VREFHI/VREFLO references. The device uses internal voltage regulation for single 3.3-V rail operation and supports both crystal and zero-pin oscillators for flexible clocking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | TMS320C28x @ 90 MHz (11.11-ns cycle time); enables sub-microsecond interrupt latency for fast current loop closure. |
| Floating-Point Unit | Native single-precision FPU; eliminates software emulation overhead for trigonometric and PID computations. |
| Programmable CLA | 32-bit floating-point accelerator running parallel to CPU; offloads motor control law execution without CPU intervention. |
| ADC Performance | 12-bit, 3.46 MSPS with dual S/H; supports simultaneous sampling of up to 16 channels for multi-phase current/voltage sensing. |
| ePWM Channels | 16 total (8 HRPWM-capable); provides dual-edge modulation for variable-frequency inverter control and dead-time compensation. |
| Security & Memory | 128-bit key + lock, 128KB flash (8 sectors), 50KB RAM, 1KB OTP; protects firmware IP and enables secure boot. |
| Package & Temp | 100-pin HTQFP (PZP), PowerPAD™ thermally enhanced; rated for –40°C to 105°C industrial operation. |
Pinout & Package
The TMS320F28069UPZPA is housed in a 100-pin PowerPAD™ Thermally Enhanced Thin Quad Flatpack (HTQFP, package code PZP), measuring 14.0 mm × 14.0 mm. The exposed thermal pad must be soldered to PCB ground plane via thermal vias for effective heat dissipation; it is not electrically connected to internal VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO / VDD / VSS | Power supply and ground rails | Dual 3.3-V domains: VDDIO powers I/Os and peripherals; VDD powers core logic; all VSS pins require low-impedance grounding for noise immunity. |
| GPIO0–GPIO57 | Multiplexed general-purpose I/O | 54 individually programmable pins with input filtering; support ePWM, eCAP, eQEP, SPI, I2C, CAN, USB, and analog comparator routing. |
| ADCINA0–ADCINA7, ADCINB0–ADCINB7 | Analog input channels | 16-channel 12-bit ADC inputs with dual S/H; VREFHI/VREFLO define full-scale range (0–3.3 V) and enable ratiometric sensing. |
| EPWM1A–EPWM8B | PWM output terminals | 16 dedicated PWM outputs; 8 support high-resolution mode (HRPWM) for <150-ps duty-cycle resolution in digital power stages. |
| USB0DP/USB0DM | USB 2.0 differential pair | Full-speed device/host-capable interface; enables firmware updates, debug communication, and host-controlled parameter tuning. |
| X1/X2 | Crystal oscillator terminals | Support external crystal (1–20 MHz) or connect to on-chip zero-pin oscillators; missing-clock detection ensures system reliability. |
Key Features
| Feature | Design Value |
|---|---|
| CLA + FPU co-processing | Enables concurrent execution of motor control laws (e.g., FOC) and system management tasks-reducing CPU load by >40% in benchmarked servo loops. |
| HRPWM with dual-edge control | Allows independent adjustment of rising/falling edges per channel, supporting frequency-modulated soft-switching topologies like LLC resonant converters. |
| Integrated analog comparators | Three 10-bit reference-based comparators with direct ePWM trip-zone routing-enabling hardware-fast overcurrent protection (<100 ns response). |
| On-chip temperature sensor | Monitors die temperature for thermal derating in motor drives; calibrated output eliminates need for external sensor in space-constrained inverters. |
| USB 2.0 + eCAN + McBSP | Provides multiple real-time communication options: USB for PC-based commissioning, eCAN for distributed drive networks, McBSP for DSP-to-DSP data streaming. |
Applications
| Motor Drive Control | Solar Inverter Power Stage |
|---|---|
Use Scenario: Closed-loop field-oriented control of 3-phase PMSM/BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, PWM generation, current sampling, and fault handling within 1-µs control loop budget. Use Value: CLA-accelerated Clarke/Park transforms and SVPWM reduce CPU utilization, enabling higher sampling rates and tighter torque ripple control. | Use Scenario: DC-AC conversion in string inverters with MPPT tracking and grid-synchronization requirements. IC Role / Device Role / Timing Role: High-speed ADC sampling of DC-link voltage/current, dual-edge HRPWM for transformerless topology, and grid-phase-locked loop (PLL) computation. Use Value: 3.46-MSPS ADC with dual S/H captures synchronized voltage/current pairs; 16-bit ePWM timers ensure ±0.1° phase accuracy for IEEE 1547-compliant grid injection. |
| EV On-Board Charger (OBC) | Industrial Servo Drive |
Use Scenario: Bidirectional AC-DC and DC-DC power conversion in vehicle-mounted charging modules. IC Role / Device Role / Timing Role: Coordinating interleaved PFC and LLC resonant stages via synchronized HRPWM signals and real-time current limiting. Use Value: Dual-edge HRPWM and VCU-accelerated CRC enable adaptive frequency sweeping and fault-tolerant communication over CAN FD (via eCAN + external transceiver). | Use Scenario: Position/velocity/torque control in robotic joint actuators with EtherCAT or CANopen fieldbus interfaces. IC Role / Device Role / Timing Role: eQEP decoding for absolute encoder feedback, eCAP for resolver sine/cosine edge detection, and deterministic interrupt servicing for 10-kHz current loops. Use Value: Four HRCAP modules measure sub-nanosecond timing differences in resolver signals; CLA handles position interpolation offline, freeing CPU for motion planning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar real-time control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320F280049C | Higher 100-MHz CPU, CLB, improved ADC SNR (75 dB), but no VCU or InstaSPIN-FOC ROM; USB not supported. | Targets next-gen digital power with configurable logic blocks; lacks factory-tuned FOC libraries present in TMS320F28069UPZPA. | Select when migrating to TI's F28004x roadmap with emphasis on analog precision and logic flexibility over legacy motor control firmware compatibility. |
| TMS320F28379D | Dual C28x CPUs + dual CLAs, 1MB flash, 384KB RAM, 16-bit ADC; larger 176-pin package; no USB interface. | Designed for multi-axis CNC and high-end servo systems requiring redundant processing and expanded memory; over-spec for single-axis OBC or solar microinverters. | Choose for applications needing >200 kSPS ADC throughput, dual-core safety partitioning, or simultaneous execution of motion + power control stacks. |
Compared with TMS320F280049C and TMS320F28379D, the TMS320F28069UPZPA offers optimal balance of InstaSPIN-FOC readiness, USB-enabled field serviceability, and compact 100-pin footprint-making it ideal for cost-sensitive, volume-production motor drives where proven firmware ecosystem matters more than raw compute headroom.
Availability
TMS320F28069UPZPA is available at Aetrix Electronics and suitable for industrial motor drives, solar power optimizers, and EV on-board chargers requiring stable component supply across extended production lifecycles.
Supply support for TMS320F28069UPZPA 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets since 1930.
The TMS320F28069UPZPA belongs to TI's C2000™ real-time MCU portfolio, engineered specifically for deterministic closed-loop control in power electronics-emphasizing high-resolution timing, analog integration, and computational acceleration for motor and energy conversion systems.
FAQ
What is the maximum operating frequency of the TMS320F28069UPZPA?
The TMS320F28069UPZPA operates at a maximum CPU frequency of 90 MHz, corresponding to an 11.11-ns instruction cycle time. This speed is achieved using the internal PLL with either an external crystal (X1/X2) or one of two on-chip zero-pin oscillators. All timing-critical peripherals-including ePWM, ADC, and CLA-are synchronized to this clock domain to guarantee deterministic real-time behavior in motor control loops.
Does the TMS320F28069UPZPA support USB functionality?
Yes, the TMS320F28069UPZPA includes a full-speed USB 2.0 interface with dedicated USB0DP and USB0DM pins. It supports both device and host modes, enabling firmware updates, real-time debug communication, and host-based parameter configuration. USB operation requires no external PHY-only standard series resistors and proper PCB layout per TI's USB design guidelines in the TMS320F28069 technical reference manual.
How many high-resolution PWM channels does the TMS320F28069UPZPA provide?
The TMS320F28069UPZPA provides eight high-resolution PWM (HRPWM) channels, derived from its 16 total ePWM outputs. Each HRPWM channel supports 150-ps duty-cycle resolution and independent control of rising and falling edges-essential for soft-switching topologies like phase-shifted full-bridge and resonant LLC converters used in high-efficiency power supplies and EV chargers.
Is the TMS320F28069UPZPA pin-compatible with other F2806x family members?
No, the TMS320F28069UPZPA is not universally pin-compatible across the F2806x family. While it shares the 100-pin PZP HTQFP package with TMS320F28069PZP and TMS320F28069M, functional pin assignments differ-for example, USB0DP/USB0DM are exclusive to U/F/M variants, and certain analog inputs or CLA-related signals vary. Always verify signal mapping against the specific device's pin diagram in SPRS698J before board reuse.
What development tools are recommended for the TMS320F28069UPZPA?
Texas Instruments recommends the C2000Ware software suite, Code Generation Tools v20.2+, and CCS v12.3+ for TMS320F28069UPZPA development. Hardware tools include the TMDSEMU200-U XDS200 debugger and LAUNCHXL-F280049C (for cross-family evaluation). For motor control, the GUI Composer-based InstaSPIN-FOC™ SDK provides pre-validated FOC libraries that run natively on the TMS320F28069UPZPA's CLA+FPU architecture.
TMX320F28069UPZPA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-TQFP Exposed Pad
- Series:
- C2000™ C28x Piccolo™
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C28x
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, I2C, McBSP, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 54
- Program Memory Size:
- 256KB (128K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 50K x 16
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 1.995V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMX320F28069UPZPA FAQ
1.How can I place an order for TMX320F28069UPZPA through Aetrix?
Please submit a Request for Quotation (RFQ) for TMX320F28069UPZPA 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 TMX320F28069UPZPA reliable?
The price and inventory of TMX320F28069UPZPA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMX320F28069UPZPA is usually 5 days.
3.What payment methods are accepted for TMX320F28069UPZPA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMX320F28069UPZPA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMX320F28069UPZPA?
TMX320F28069UPZPA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMX320F28069UPZPA 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 TMX320F28069UPZPA?
For technical support, including TMX320F28069UPZPA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMX320F28069UPZPA requirements.
6.How does Aetrix verify that TMX320F28069UPZPA is sourced from the original manufacturer or authorized distributors?
All TMX320F28069UPZPA 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 TMX320F28069UPZPA meets industry standards.
7.What is the process for return or replacement of TMX320F28069UPZPA?
All TMX320F28069UPZPA units undergo pre-shipment inspection (PSI). If there is an issue with TMX320F28069UPZPA, 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 TMX320F28069UPZPA part is unused and in its original packaging.
Return procedure for TMX320F28069UPZPA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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