TMS320F2808PZA - 100MHz C2000 32-Bit DSC 128KB Flash | Texas Instruments
N.º da peça: TMS320F2808PZA ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 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 Visão geral
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.
Alternativas drop-in para TMS320F2808PZA — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com TMS320F2808PZA (mesmo formato e footprint).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
TMS320F2808PZS
✅ Drop-In✓ Em estoque
$8.32 / unidade
Ver ficha técnica →TMS320F2808PZQ
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TMS320F2806PZA
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
TMS320F2801PZA
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TMS320F2809PZA
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
TMS320F2808PZA Especificações
| Core Processor | C28x Fixed-Point |
| Core Size | 32-Bit |
| Frequência máxima de clock | 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 |
| Faixa de temperatura de operação | -40C to +85C |
| Encapsulamento | 100-LQFP (PZ), 14x14 mm |
| Tipo de montagem | Surface Mount |
| Technology | High-Performance Static CMOS |
Guia de Configuração de Pinos do TMS320F2808PZA 100-lqfp (pz), 14x14 mm
Configuração de pinos para TMS320F2808PZA (pacote 100-lqfp (pz), 14x14 mm). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para TMS320F2808PZA.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
TMS320F2808PZA é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para TMS320F2808PZA — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Full 128KB flash with complete peripheral set (vs TMS320F2806PZA)
- Identical-die packaging flexibility (vs TMS320F2808PZS)
- Automotive upgrade path on the same footprint (vs TMS320F2808PZQ)
Notas de projeto
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.
Informações de conformidade
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.
