TMS320F2808PZA - 100MHz C2000 MCU | Texas Instruments
MPN: TMS320F2808PZA β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $9.8 | $980.00 |
| 500 | $8.9 | $4,450.00 |
| 1,000 | $8.1 | $8,100.00 |
Drop-in alternatives for TMS320F2808PZA β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
TMS320F2808PZS
β Drop-Inβ In Stock
$7.9 / Unit
View Datasheet βTMS320F2806PZA
β Drop-Inπ Reference alternative (not in catalog)
TMS320F2801PZA
β Drop-Inπ Reference alternative (not in catalog)
TMS320F28069PZT
β Drop-Inβ In Stock
$8.1 / Unit
View Datasheet βTMS320F2808PZA Maximum Ratings & Electrical Characteristics
| Core | C28x Fixed-Point |
| Architecture | 32-bit |
| Clock Speed | 100 MHz |
| Flash Memory | 128KB (64K x 16) |
| SRAM | 18KB |
| Core Voltage | 1.8 V |
| I/O Voltage | 3.3 V |
| Package | 100-LQFP (14x14 mm) |
| ADC | 2x 8-channel, 12-bit |
| PWM Channels | 16 |
| Timers | 4x 32-bit |
| Serial Interfaces | SCI, SPI, CAN, I2C |
| JTAG | Boundary Scan Support |
| Operating Temperature | -40C to +85C |
| RoHS | Compliant |
TMS320F2808PZA Pin Configuration
| Pin 1 | VDDIO β I/O power supply (3.3V) |
| Pin 2 | VSS β Ground |
| Pin 3 | XCLKIN β External clock input |
| Pin 4 | X1 β Crystal oscillator input |
| Pin 5 | X2 β Crystal oscillator output |
| Pin 6 | VDD β Core power supply (1.8V) |
| Pin 7 | VSS β Ground |
| Pin 8 | GPIO0 β General purpose I/O |
| Pin 9 | GPIO1 β General purpose I/O |
| Pin 10 | GPIO2 β General purpose I/O |
| Pin 11 | GPIO3 β General purpose I/O |
| Pin 12 | GPIO4 β General purpose I/O |
| Pin 13 | GPIO5 β General purpose I/O |
| Pin 14 | GPIO6 β General purpose I/O |
| Pin 15 | GPIO7 β General purpose I/O |
| Pin 16 | VDDIO β I/O power supply (3.3V) |
| Pin 17 | VSS β Ground |
| Pin 18 | GPIO8 β General purpose I/O |
| Pin 19 | GPIO9 β General purpose I/O |
| Pin 20 | GPIO10 β General purpose I/O |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TMS320F2808PZA is suitable for 6 applications: Motor Control, Digital Power Supplies, Renewable Energy Inverters, Industrial Automation, Automotive Systems, Test and Measurement.
Motor Control
The TMS320F2808PZA's 100-MHz C28x core and 16 PWM channels enable precise field-oriented control (FOC) for AC induction, BLDC, and PMSM motors. Its dual 12-bit ADCs sample phase currents synchronously with PWM, achieving low-latency control loops. The device's high-speed interrupt handling ensures deterministic response, critical for stable torque and speed regulation. With 128KB flash, complex control algorithms and communication stacks can be stored on-chip, reducing system cost.
Recommended
Digital Power Supplies
The TMS320F2808PZA excels in digital power conversion, offering high-resolution PWM (up to 16 channels) and fast ADCs for voltage and current feedback. Its 100-MHz core executes control loops like voltage-mode and current-mode control with minimal delay, improving transient response. The device supports multiple power topologies (buck, boost, LLC) and can implement digital compensation filters in software. Its CAN interface enables communication in distributed power systems, making it ideal for server and telecom power supplies.
Recommended
Renewable Energy Inverters
For solar and wind inverters, the TMS320F2808PZA provides the computational power for maximum power point tracking (MPPT) and grid synchronization. Its 12-bit ADCs monitor PV panel voltage and current, while PWM outputs drive the inverter bridge. The device's robust CAN interface supports communication with monitoring systems. With 128KB flash, complex algorithms like perturb-and-observe MPPT and phase-locked loops (PLL) can be implemented. The wide operating temperature range (-40C to +85C) suits outdoor installations.
Recommended
Industrial Automation
The TMS320F2808PZA is well-suited for industrial automation, including PLCs, robotics, and CNC machines. Its multiple serial interfaces (SCI, SPI, CAN, I2C) enable connectivity to sensors, actuators, and fieldbuses. The 16 PWM channels can drive servo motors and stepper motors with precise timing. The device's 128KB flash allows storing complex motion profiles and communication protocols. Its JTAG interface facilitates in-system programming and debugging, reducing development time.
Recommended
Automotive Systems
In automotive applications, the TMS320F2808PZA supports engine control, transmission control, and electric power steering. Its CAN interface is essential for in-vehicle networking, and its high-speed PWM drives solenoids and actuators. The device's 1.8-V core reduces power consumption, important for battery-operated systems. While not AEC-Q100 qualified, it is used in non-safety-critical automotive modules. The 100-pin LQFP package is suitable for space-constrained ECUs.
Recommended
Test and Measurement
The TMS320F2808PZA is used in test and measurement equipment such as data acquisition systems and signal generators. Its dual 12-bit ADCs sample analog signals at high speed, while the 100-MHz core processes data in real-time. The device's multiple timers and PWM outputs can generate precise trigger signals. With 128KB flash, firmware can implement complex signal processing algorithms. Its small footprint and low power make it suitable for portable instruments.
Recommended
Recommended Products Summary
Engineering reference data for TMS320F2808PZA β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TMS320F2808PZS | TMS320F2806PZA | TMS320F2801PZA | TMS320F28069PZT |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Core Speed | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 90 MHz |
| Flash Memory | 128KB | 128KB | 64KB | 32KB | 256KB |
| SRAM | 18KB | 18KB | 10KB | 6KB | 100KB |
| ADC Channels | 16 (2x8) | 16 (2x8) | 16 (2x8) | 16 (2x8) | 16 (2x8) |
| PWM Channels | 16 | 16 | 16 | 16 | 16 |
| CAN Interface | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Higher clock speed than many competitors (vs TMS320F28035PAGT)
- Larger flash memory (vs TMS320F2806PZA)
- Pin-compatible with higher-performance TMS320F28069PZT (vs TMS320F28069PZT)
Design Notes
The TMS320F2808PZA requires separate 1.8-V core and 3.3-V I/O supplies. Use low-dropout regulators (LDOs) with low output noise for the core supply, and ensure proper decoupling with 100nF capacitors close to each VDD and VDDIO pin. Follow the recommended power-up sequencing: apply 3.3-V I/O before or simultaneously with 1.8-V core to avoid latch-up.
For the 100-pin LQFP package, use a 4-layer PCB with dedicated power and ground planes. Place the crystal oscillator and its load capacitors close to the X1/X2 pins, and keep the JTAG trace lengths short to minimize signal integrity issues. Ensure adequate thermal relief for the exposed pad (if present) to improve heat dissipation.
Do not exceed the absolute maximum ratings: 2.0V on VDD and 4.6V on VDDIO. Ensure the ADC reference voltage is stable and noise-free, as it directly affects conversion accuracy. When using the CAN module, terminate the bus properly with 120-ohm resistors at both ends to avoid communication errors.
Compliance Information
RoHS compliant per TI product page. Not AEC-Q100 qualified; for automotive use, consider TMS320F2808PZS or other qualified parts.
