TMS320F2808PZA - 100MHz C2000 32-Bit DSC 128KB Flash | Texas Instruments
MPN: TMS320F2808PZA ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.58 | $75.80 |
| 100 | $6.74 | $674.00 |
| 500 | $5.92 | $2,960.00 |
| 1,000 | $5.25 | $5,250.00 |
TMS320F2808PZA Overview
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and real-time determinism of a microcontroller (MCU). Within the power-management hierarchy of embedded processors, the C2000 family occupies the real-time control tier, sitting below general-purpose MCUs in flexibility but far above them in closed-loop control bandwidth. The C28x core uses a Harvard bus architecture with single-cycle multiply-accumulate (MAC) instructions and a 32x32-bit multiplier, delivering 100 MIPS at 100 MHz for demanding control-law execution.
Key differentiating specifications include high-performance static CMOS technology, a low-power 1.8-V core with 3.3-V I/O and 3.3-V flash programming voltage, 35 general-purpose I/O pins, and communication interfaces spanning ECAN, I2C, SCI, and SPI. An on-chip oscillator, 128-bit security key/lock for firmware protection, and a 2x8-channel analog input multiplexer feeding the 12-bit ADC further reduce external component count.
From an architecture standpoint, the enhanced PWM modules support dead-band generation, trip zones, and synchronization - functions essential to motor drives and digital power converters. Dual sample-and-hold circuits allow simultaneous sampling of two analog channels, improving control-loop accuracy. JTAG boundary-scan support covers both debugging and production test, while a watchdog timer and memory protection enhance system reliability.
Typical applications include industrial motor drives and servo control, digital power supplies and solar inverters, and electric-vehicle charging systems, where deterministic 100-MHz execution and integrated PWM/ADC peripherals shorten development cycles.
Design consideration: properly decouple the separate 1.8-V core and 3.3-V I/O supplies and follow TI's recommended LQFP layout to minimize switching noise coupling into the ADC front end.
This page synthesizes distributor pricing, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet, adding procurement and engineering value beyond raw specifications.
Drop-in alternatives for TMS320F2808PZA — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with TMS320F2808PZA (same form factor and footprint).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TMS320F2808PZS
✅ Drop-In✓ In Stock
$8.32 / Unit
View Datasheet →TMS320F2808PZQ
✅ Drop-In📋 Reference alternative (not in catalog)
TMS320F2806PZA
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
TMS320F2801PZA
✅ Drop-In📋 Reference alternative (not in catalog)
TMS320F2809PZA
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
TMS320F2808PZA Specifications
| Core Processor | C28x Fixed-Point |
| Core Size | 32-Bit |
| Maximum Clock Frequency | 100 MHz |
| Cycle Time | 10 ns |
| Program Memory Type | Flash |
| Flash Memory Size | 128KB (64K x 16) |
| Number of I/O | 35 |
| PWM Channels | 12 |
| Supply Voltage - Core | 1.8 V |
| Supply Voltage - I/O | 3.3 V |
| Flash Programming Voltage | 3.3 V |
| Communication Interfaces | ECAN, I2C, SCI, SPI |
| ADC Input Multiplexer | 2 x 8 channel |
| Security | 128-bit security key/lock |
| Debug/Scan Support | JTAG boundary scan |
| Operating Temperature Range | -40C to +85C |
| Package | 100-LQFP (PZ), 14x14 mm |
| Mounting Type | Surface Mount |
| Technology | High-Performance Static CMOS |
TMS320F2808PZA 100-lqfp (pz), 14x14 mm Pin Configuration Guide
Pin configuration for TMS320F2808PZA (100-lqfp (pz), 14x14 mm package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for TMS320F2808PZA.
Refer to the datasheet for full pin configuration.
Typical Applications
TMS320F2808PZA is suitable for 6 applications: Industrial Motor Drives and Servo Control, Digital Power Supplies and Solar Inverters, Electric Vehicle Charging Systems, Industrial Automation and PLC Modules, Renewable Energy Converters (Wind and Micro-Inverters), Test, Measurement, and Instrumentation Control.
Industrial Motor Drives and Servo Control
The TMS320F2808PZA fits industrial motor drive and servo applications because its 100 MHz C28x core (100 MIPS) executes field-oriented control (FOC) loops deterministically, while its 12 ePWM channels with hardware dead-band insertion and trip zones generate the complementary gate signals needed for three-phase inverters. The 2x8-channel ADC multiplexer with dual sample-and-hold captures two motor phase currents simultaneously, eliminating skew-induced torque ripple. In a typical AC induction or PMSM drive, current-loop bandwidths of several kilohertz are achievable with margin for speed and position outer loops. Using the on-chip eQEP-capable GPIOs for encoder feedback closes the position loop without external counters. TI's MotorControl SDK provides proven FOC firmware that ports directly to this device, shortening time-to-market for drives up to the multi-kilowatt class.
Recommended
Digital Power Supplies and Solar Inverters
Digital power conversion relies on fast, deterministic control, and the TMS320F2808PZA delivers with its 10-ns cycle time enabling PWM frequencies of 100 kHz and beyond with 150-ps class effective PWM resolution through the ePWM modules' high-resolution capabilities at family level. The 12 PWM channels support phase-shifted full-bridge, LLC, and interleaved buck topologies, while trip-zone inputs provide cycle-by-cycle hardware current limiting for fault protection - a critical safety feature in grid-tied equipment. Simultaneous dual-channel ADC sampling synchronizes input voltage and inductor current measurements to the same switching instant, improving control-loop stability. In solar inverters, the ECAN interface links to system supervisory controllers for MPPT coordination and grid monitoring. The 128KB flash stores control firmware, MPPT algorithms, and communication stacks with headroom for field updates.
Recommended
Electric Vehicle Charging Systems
EV charging infrastructure combines power conversion, communication, and safety monitoring - a fit for the TMS320F2808PZA's integrated feature set. Its ePWM modules drive the PFC and DC/DC power stages of Level 2 and DC fast chargers, while the ECAN interface implements the charger-to-vehicle or charger-to-controller communication required by charging protocols. The 12-bit ADC monitors output voltage, current, and temperature sensors through the 2x8-channel multiplexer, and software plus hardware trip mechanisms enforce the fast fault response needed for 400-V-class systems. The 100 MHz C28x core runs power-factor-correction loops and resonant-converter control concurrently with communication and state-machine tasks. The 128-bit security key/lock protects proprietary charging firmware, and JTAG boundary scan supports production test of high-reliability charging hardware.
Recommended
Industrial Automation and PLC Modules
Within programmable logic controller (PLC) and industrial automation modules, the TMS320F2808PZA serves as a high-speed control coprocessor handling tasks that general-purpose MCUs cannot schedule deterministically. Its SCI and SPI interfaces connect to operator panels and high-resolution converters, while I2C links configuration EEPROMs and sensors. The 35 GPIOs implement digital I/O with precise timing under C28x control, enabling pulse-train outputs and high-frequency counting for motion coordination. The 100 MIPS throughput executes PID networks across multiple axes, and the on-chip watchdog ensures recovery from field faults - an essential reliability feature for 24/7 industrial operation. The 128-bit security lock protects OEM control algorithms from cloning when equipment is serviced in the field, a differentiator versus unsecured microcontrollers.
Recommended
Renewable Energy Converters (Wind and Micro-Inverters)
Wind turbine converters and micro-inverter platforms demand wide-range sensing and robust control - requirements the TMS320F2808PZA addresses with its 12-bit ADC and rich PWM resources. The dual sample-and-hold architecture samples generator current and bus voltage in the same instant, a prerequisite for stable sensorless control algorithms such as flux observers that are sensitive to measurement skew. Twelve ePWM channels drive both machine-side and grid-side converter bridges in back-to-back converter topologies. The C28x core's single-cycle MAC instructions accelerate the trigonometric-heavy transformations (Clarke/Park) used in generator control at 100 MHz. The 128KB flash retains firmware across power cycles and supports parameter logging, while the ECAN port integrates the converter into plant-level SCADA monitoring over industrial fieldbus gateways.
Recommended
Test, Measurement, and Instrumentation Control
Bench instruments and embedded test modules use the TMS320F2808PZA as a real-time sequencer and waveform engine. The ePWM modules generate precisely timed trigger pulses and PWM-based stimulus sources with cycle-accurate repeatability, while the ADC captures sensor responses synchronized to those triggers via the on-chip ePWM-to-ADC hardware triggering - removing software jitter from measurement timing. JTAG boundary-scan support lets production fixtures both program firmware and verify board-level connectivity in one session, streamlining manufacturing test. The SCI port streams results to a host PC or display module, and SPI interfaces high-speed converters for extended measurement range. With 100 MIPS of headroom, the device performs on-the-fly DSP post-processing such as digital filtering and RMS computation before forwarding results upstream.
Recommended
Recommended Products Summary
Engineering reference data for TMS320F2808PZA — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TMS320F2808PZS | TMS320F2808PZQ | TMS320F2806PZA | TMS320F2801PZA | TMS320F2809PZA |
|---|---|---|---|---|---|---|
| Package | 100-LQFP (PZ), 14x14 mm | 100-LQFP (PZ) - same | 100-LQFP (PZ) - same | 100-LQFP (PZ) - same | 100-LQFP (PZ) - same | 100-LQFP (PZ) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Core Clock | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Qualification | Standard (industrial) | Standard (industrial) | Automotive (Q) grade | Standard (industrial) | Standard (industrial) | Standard (industrial) |
| Typical Use Case | Full-featured motor control / digital power | Identical - packaging variant | Automotive control modules | Cost-reduced control where code fits smaller flash | Minimal control nodes | Memory-hungry control applications |
Key Differentiators
- Full 128KB flash with complete peripheral set (vs TMS320F2806PZA)
- Identical-die packaging flexibility (vs TMS320F2808PZS)
- Automotive upgrade path on the same footprint (vs TMS320F2808PZQ)
Design Notes
Provide separate, well-decoupled 1.8-V core and 3.3-V I/O rails. Place 0.1 uF ceramic capacitors at each VDD/VDDIO pin pair plus bulk 10 uF per rail near the LQFP. Deriving 1.8 V from an LDO fed by 3.3 V simplifies sequencing; follow TI's C2000 power-sequencing guidance so core power is never absent while I/O power is applied. Flash programming operates at 3.3 V per the datasheet, so no external programming voltage generator is needed.
For the 100-pin LQFP (14x14 mm), place the ADC reference and analog inputs away from PWM switching traces. Route the ePWM gate-drive signals with series resistors (typ. 10-33 ohm) to control edge rates into gate drivers, and keep the ECAN differential pair length-matched at 120-ohm characteristic impedance. Bring the JTAG header out on every production board for debug and boundary-scan test, and reserve boot-mode strap access (GPIO pins per TI boot ROM documentation) for field recovery.
Most pin functions are multiplexed via GPAMUX/GPBMUX registers - configure the GPIO MUX before assuming a pinout role, and consult the datasheet multiplexing tables rather than a static diagram. Enable the watchdog and use trip-zone PWM shutdown for hardware fault protection rather than relying solely on software. Ensure ADC sampling windows meet acquisition-time requirements when multiplexing the 2x8 input channels, or accuracy degrades on high-impedance sources.
Compliance Information
Compliance status not stated in the provided verified web data; consult the TI product page (ti.com/product/TMS320F2808) for current RoHS/REACH declarations. The TMS320F2808PZQ variant is the automotive-qualified option.
