Texas Instruments TMX320F28377DPTPT
- Part No.:
- TMX320F28377DPTPT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
TMX320F28377DPTPT.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176HLQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
TMS320F28377DPTPT from Texas Instruments is a dual-core 32-bit real-time microcontroller featuring two 200MHz C28x CPUs, IEEE 754 single-precision FPU, TMU, VCU-II, and two independent 200MHz CLA coprocessors. It integrates four 16-/12-bit ADCs (up to 4.4MSPS system throughput), 24 ePWM channels with 16 high-resolution outputs, dual CAN, USB 2.0, and 169 GPIOs - deployed in traction inverter motor control and solar power optimizers.
For engineers reviewing the TMS320F28377DPTPT datasheet, TMS320F28377DPTPT pinout, TMS320F28377DPTPT application, or TMS320F28377DPTPT equivalent, key selection criteria include dual-CPU deterministic latency, CLA offload capability for torque-loop execution, ADC post-processing with windowed comparators, HRPWM dead-band support, and functional safety documentation up to ASIL B/SIL 2.
Technical Context
The TMS320F28377DPTPT implements a tightly coupled dual-C28x architecture where each CPU runs at 200MHz with dedicated FPU, TMU, and VCU-II - enabling concurrent execution of position/speed tracking on one core and current/torque control on the other. Its CLA subsystem executes floating-point control law code independently, triggered by peripheral events such as PWM timer overflows or ADC conversions.
On-chip analog subsystem includes four ADCs supporting simultaneous 16-bit (1.1MSPS) or 12-bit (3.5MSPS) sampling, hardware-accelerated post-processing (offset calibration, setpoint error, zero-crossing detection), eight windowed comparators with 12-bit DAC references, and three buffered 12-bit DAC outputs - all synchronized to ePWM timebases for closed-loop precision.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Architecture | Dual TMS320C28x 32-bit cores, each at 200MHz with IEEE 754 FPU, TMU, and VCU-II |
| Control Law Accelerator | Two independent CLA coprocessors, each running at 200MHz, executing floating-point code without CPU intervention |
| ADC System | Four 16-/12-bit ADCs: 1.1MSPS per channel in 16-bit mode (differential, 12 external channels); 3.5MSPS per channel in 12-bit mode (single-ended, 24 external channels) |
| ePWM & HRPWM | 24 enhanced PWM channels; 16 high-resolution outputs (on A/B channels of 8 modules) with sub-nanosecond resolution and programmable dead-band |
| Memory | 512KB (256KW) ECC-protected flash; 172KB (86KW) RAM (ECC/parity-protected); dual-zone security with unique ID |
| Peripherals | Dual CAN 2.0B; USB 2.0 (MAC+PHY); 4 SCI/UART; 3 SPI; 2 I²C; 2 McBSP; uPP interface; 6 eCAP; 3 eQEP; 8 SDFM channels |
| Package & Temp | 176-pin HLQFP (PTP suffix); –40°C to 105°C junction temperature (T-grade) |
Pinout & Package
Package: 176-pin PowerPAD™ Thermally Enhanced Low-Profile Quad Flatpack (HLQFP), 26mm × 26mm body size, exposed thermal pad for enhanced heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDIO, VDDA, VDDOSC | Power supply rails | Separate 1.2V core, 3.3V I/O, analog (1.2V/3.3V), and oscillator supplies enable noise isolation and mixed-signal integrity |
| VSS, VSSA, VSSOSC | GND returns | Dedicated analog and oscillator ground planes minimize coupling into sensitive ADC and clock circuits |
| X1, X2 | Crytal oscillator inputs | Supports external crystal (1–20MHz) or single-ended clock source for precise system timing |
| GPIO0–GPIO168 | Multiplexed I/O | 169 pins with input filtering, configurable pullup/pulldown, and peripheral pin-muxing - supports ePWM, eCAP, eQEP, CAN, SPI, etc. |
| ADCINA0–ADCINA5, ADCINB0–ADCINB5, ADCINC0–ADCINC5, ADCIND0–ADCIND5 | Analog inputs | 24 dedicated single-ended or 12 differential ADC input channels across four independent ADC modules |
| CANTXA, CANRXA, CANTXB, CANRXB | CAN transceiver interfaces | Dual ISO 11898-1-compliant CAN controllers with pin-bootable configuration and message RAM |
| EPWMA1–EPWMA12, EPWMB1–EPWMB12 | PWM outputs | 24 ePWM outputs with trip-zone protection, dead-band generation, and high-resolution (HRPWM) capability on 16 channels |
Key Features
| Feature | Design Value |
|---|---|
| Dual C28x + CLA architecture | Enables parallel real-time control: one core handles communication/diagnostics while CLAs execute time-critical torque/current loops |
| Hardware ADC post-processing | Eliminates software overhead via on-the-fly saturation, setpoint error calculation, and zero-crossing detection with interrupt capability |
| Windowed comparator subsystem | Eight comparators with 12-bit DAC references provide fast overcurrent/undervoltage protection without CPU polling |
| Configurable Logic Block (CLB) | Four CLB tiles allow custom logic implementation (e.g., position manager, encoder interpolation) without FPGA co-processor |
| Functional safety certification | ISO 26262 ASIL B and IEC 61508 SIL 2 certified; hardware integrity verified; safety manual and FMEDA available |
Applications
| Motor Drive Control | Solar Inverter Control |
|---|---|
Use Scenario: High-efficiency field-oriented control (FOC) of 3-phase PMSM/BLDC motors in EV traction inverters and industrial servo drives. IC Role / Device Role / Timing Role: Dual-core real-time controller executing position estimation, current regulation, and PWM generation with <1µs loop latency. Use Value: CLA offloads torque-loop computation from main CPU, enabling 20kHz switching frequency with full sensor fusion and diagnostics. | Use Scenario: MPPT and grid-synchronization control in string and central solar inverters with reactive power support. IC Role / Device Role / Timing Role: Primary controller managing DC-DC boost stage, DC-AC inversion, and anti-islanding detection using dual ADC sampling and ePWM synchronization. Use Value: Four ADCs sample voltage/current simultaneously across multiple stages; HRPWM ensures precise 16kHz–20kHz gate drive timing with <100ps jitter. |
| EV Charging Station | Industrial UPS |
Use Scenario: AC/DC and DC/DC power conversion in Level 2 and DC fast-charging stations with active power factor correction and isolated DC-DC stages. IC Role / Device Role / Timing Role: Real-time coordinator between PFC, isolation, and battery management subsystems using CAN, SPI, and GPIO-based interlocks. Use Value: Dual CAN interfaces enable redundant communication with BMS and grid controller; USB supports firmware updates and debug logging. | Use Scenario: Three-phase online UPS with double-conversion topology requiring seamless transfer, harmonic compensation, and battery charge/discharge control. IC Role / Device Role / Timing Role: Central controller performing voltage/frequency regulation, load sharing, and predictive maintenance via analog monitoring and thermal sensing. Use Value: Integrated temperature sensor and 12-bit DACs generate reference signals for analog protection circuits; SDFM enables isolated shunt current measurement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core real-time control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320F28379DPTP | 1MB flash (vs. 512KB), 204KB RAM (vs. 172KB), 169 GPIOs (same), identical peripherals and dual-core architecture | Higher memory capacity supports larger control algorithms, multi-layer diagnostics, and OTA update storage | Select when firmware complexity exceeds 512KB or when extended data logging requires >172KB RAM |
| TMS320F28377DZWT | Same core/peripheral spec but in 337-ball nFBGA (ZWT) package; 16mm × 16mm footprint vs. 26mm × 26mm HLQFP | Smaller PCB area and improved thermal performance via ball-grid array; requires different layout and reflow profile | Select for space-constrained designs where thermal density justifies BGA assembly and test complexity |
Compared with TMS320F28379DPTP, the TMS320F28377DPTPT offers identical real-time control capability at lower memory cost; compared with TMS320F28377DZWT, it trades compactness for simplified PCB routing and thermal management in HLQFP packaging.
Availability
TMS320F28377DPTPT is available at Aetrix Electronics and suitable for traction inverter motor control, solar power optimizer systems, and EV charging station power modules requiring stable component supply and long-term industrial lifecycle support.
Supply support for TMS320F28377DPTPT 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 leader specializing in analog, embedded processing, and connectivity technologies with broad industrial and automotive design-in support.
The TMS320F28377DPTPT belongs to TI's C2000™ real-time control MCU family, engineered specifically for high-precision closed-loop systems in motor drives, digital power, and energy conversion - emphasizing deterministic latency, analog integration, and functional safety compliance.
FAQ
What is the maximum operating frequency of each CPU core in the TMS320F28377DPTPT?
The TMS320F28377DPTPT features two TMS320C28x 32-bit CPUs, each operating at 200MHz. This frequency is fixed and guaranteed across the full industrial temperature range (–40°C to 105°C). Both cores include IEEE 754 single-precision floating-point units, trigonometric math units (TMU), and Viterbi/complex math units (VCU-II) - all clocked synchronously at 200MHz. The TMS320F28377DPTPT datasheet specifies this as the absolute maximum sustained core frequency under recommended operating conditions.
Does the TMS320F28377DPTPT support functional safety certification for automotive use?
The TMS320F28377DPTPT itself is not AEC-Q100 qualified; that designation applies only to the automotive-grade variant TMS320F28377D-Q1. However, the TMS320F28377DPTPT shares the same silicon die and safety-relevant hardware features - including hardware BIST, lockstep-capable peripherals, and ASIL B–capable architecture - and is supported by TI's functional safety documentation package (FMEDA, safety manual, diagnostic software library) for system-level ISO 26262 development up to ASIL B.
How many high-resolution PWM (HRPWM) channels does the TMS320F28377DPTPT provide?
The TMS320F28377DPTPT provides 16 high-resolution PWM (HRPWM) channels - specifically, both A and B outputs of eight ePWM modules support high-resolution mode. Each HRPWM channel achieves sub-nanosecond resolution (as low as 150ps) and supports independent dead-band insertion, trip-zone protection, and synchronization with ADC start-of-conversion triggers - critical for minimizing switching losses in SiC/GaN-based power converters.
What analog-to-digital converter (ADC) configurations are supported by the TMS320F28377DPTPT?
The TMS320F28377DPTPT integrates four independent 16-/12-bit ADCs. In 16-bit mode, each delivers 1.1MSPS with differential inputs and up to 12 external channels; in 12-bit mode, each achieves 3.5MSPS with single-ended inputs and up to 24 external channels. All ADCs feature hardware post-processing (offset calibration, setpoint error, zero-crossing detection), eight windowed comparators with 12-bit DAC references, and trigger-to-sample delay capture - all accessible without CPU intervention.
Is the TMS320F28377DPTPT pin-compatible with other devices in the F2837xD family?
Yes - the TMS320F28377DPTPT in the 176-pin HLQFP (PTP) package is pin-compatible with TMS320F28379DPTP, TMS320F28378DPTP, and TMS320F28376DPTP within the same package variant. Pin compatibility covers GPIO, peripheral signals (ePWM, eCAP, CAN, SPI, etc.), power, and ground assignments. Differences lie in internal resources (flash/RAM size, ADC count, CLB tiles), not pin function mapping - enabling drop-in replacement where firmware and memory requirements align.
TMX320F28377DPTPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 176-LQFP Exposed Pad
- Series:
- C2000™ C28x Delfino™
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C28x
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 200MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, McBSP, SCI, SPI, uPP, UART/USART, USB
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 97
- Program Memory Size:
- 1MB (512K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 102K x 16
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 3.47V
- Data Converters:
- A/D 20x12b, 9x16b; D/A 3x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMX320F28377DPTPT FAQ
1.How can I place an order for TMX320F28377DPTPT through Aetrix?
Please submit a Request for Quotation (RFQ) for TMX320F28377DPTPT 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 TMX320F28377DPTPT reliable?
The price and inventory of TMX320F28377DPTPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMX320F28377DPTPT is usually 5 days.
3.What payment methods are accepted for TMX320F28377DPTPT?
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Once your TMX320F28377DPTPT 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 TMX320F28377DPTPT?
For technical support, including TMX320F28377DPTPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMX320F28377DPTPT requirements.
6.How does Aetrix verify that TMX320F28377DPTPT is sourced from the original manufacturer or authorized distributors?
All TMX320F28377DPTPT 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 TMX320F28377DPTPT meets industry standards.
7.What is the process for return or replacement of TMX320F28377DPTPT?
All TMX320F28377DPTPT units undergo pre-shipment inspection (PSI). If there is an issue with TMX320F28377DPTPT, 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 TMX320F28377DPTPT part is unused and in its original packaging.
Return procedure for TMX320F28377DPTPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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