TMS320F2808PZA - 100MHz C2000 32-Bit DSC 128KB Flash | Texas Instruments
料号： TMS320F2808PZA ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： TMS320F2808PZA ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TMS320F2808PZA （相同外形与封装尺寸）.
快速对比工具——选择替代料号进行并排对比：
TMS320F2808PZS
✅ 直接替换✓ 有现货
$8.32 / 个
查看数据手册 →TMS320F2808PZQ
✅ 直接替换📋 参考替代料（不在目录中）
TMS320F2806PZA
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
TMS320F2801PZA
✅ 直接替换📋 参考替代料（不在目录中）
TMS320F2809PZA
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
TMS320F2808PZA 规格参数
| Core Processor | C28x Fixed-Point |
| Core Size | 32-Bit |
| 最大时钟频率 | 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 |
| 工作温度范围 | -40C to +85C |
| 封装 | 100-LQFP (PZ), 14x14 mm |
| 安装类型 | Surface Mount |
| Technology | High-Performance Static CMOS |
TMS320F2808PZA 100-lqfp (pz), 14x14 mm 引脚配置指南
TMS320F2808PZA（100-lqfp (pz), 14x14 mm 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： TMS320F2808PZA.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TMS320F2808PZA 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： TMS320F2808PZA ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Full 128KB flash with complete peripheral set （对比 TMS320F2806PZA)
- Identical-die packaging flexibility （对比 TMS320F2808PZS)
- Automotive upgrade path on the same footprint （对比 TMS320F2808PZQ)
设计说明
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.
合规信息
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.
