TMS320F28335PGFA 32-Bit MCU – 512KB Flash 176-LQFP for Motor Control & ADAS
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TMS320F28335PGFA 32-Bit Microcontroller | TI C2000 Delfino MCU for Real-Time Control
The TMS320F28335PGFA is a Texas Instruments C2000 32-bit microcontroller designed for real-time control applications — motor drives, digital power conversion, solar inverters, and industrial automation. The C28x core runs at 150MHz with an integrated single-precision floating-point unit (FPU), paired with 512KB Flash and 68KB RAM in the 176-LQFP (24×24mm) package.
On-chip peripherals: 12-bit ADC with 16 channels, 18 high-resolution PWM outputs, and standard communication interfaces (CAN 2.0B, SPI, I2C, UART). The industrial temperature range of -40°C to +125°C covers harsh-environment operation. Core supply runs at 1.8V (1.805-1.995V).
When to Replace the TMS320F28335PGFA
- Controller board unresponsive on power-up — no clock output, no UART boot messages.
- PWM outputs absent or stuck on motor-drive boards — failed PWM peripheral.
- Visible damage on the 176-LQFP package — burnt pins, cracked plastic.
- Boot-up self-test failure reported by firmware.
TMS320F28335PGFA Specifications
| Feature | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Family | C2000 Delfino™ (C28x) |
| Core | 32-bit C28x + single-precision FPU |
| Clock Speed | 150MHz |
| Flash Memory | 512KB (256K × 16) |
| RAM | 68KB (34K × 16) |
| ADC | 12-bit, 16 channels |
| PWM | 18 high-resolution channels |
| Communication | CAN 2.0B, SPI, I2C, UART |
| Core Supply (VDD) | 1.8V (1.805-1.995V) |
| Operating Temperature | -40°C to +125°C |
| Package | 176-LQFP (24×24mm, PGF suffix) |
FAQ — TMS320F28335PGFA
Q: Is the PGF (LQFP) variant pin-compatible with the PTP (HLQFP) variant?
A: Same die, same electrical specs, but different package — PGF is 176-LQFP, PTP is 176-HLQFP. Footprints differ; verify your PCB's package designator before ordering.
Q: Does the part need an external crystal?
A: It has an internal oscillator, but most production designs use an external crystal (typically 30MHz) for accuracy. Check the original board's clocking scheme before substituting.
Q: Rework profile for 176-LQFP?
A: Standard QFP reflow — flux paste, preheat to 120°C, hot air at 350°C with airflow shroud to protect adjacent components. Use a fine soldering iron for pin-bridge cleanup after placement.
Q: Bulk pricing?
A: Yes — email contact@lys-sz.com for tray-quantity pricing on TI C2000 stock.
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