TMS320F2808PZA - 100MHz C2000 MCU 128KB Flash | Texas Instruments
MPN: TMS320F2808PZA ✓ Hoạt độngTMS320F2808PZA Tóm tắt
A digital signal controller (DSC) combines the processing power of a digital signal processor (DSP) with the peripheral integration and ease-of-use of a microcontroller (MCU). The C28x core is optimized for real-time control algorithms, featuring a Harvard architecture, single-cycle multiply-accumulate (MAC) operations, and a 32x32-bit multiplier. This makes it ideal for closed-loop control systems such as motor drives, power conversion, and renewable energy inverters, where fast and deterministic execution is critical.
Key features include high-performance static CMOS technology, a 1.8-V core and 3.3-V I/O design, and a 3.3-V flash voltage. The device supports JTAG boundary scan for debugging and production testing. It also includes a 128-bit security key/lock to protect proprietary firmware, an on-chip oscillator, and a 2x8-channel input multiplexer for analog signal acquisition. The TMS320F2808PZA is part of the TMS320F280x family, which offers scalable memory and peripheral options for various control applications.
From a technical depth perspective, the C28x core delivers 100 MIPS (million instructions per second) at 100 MHz, enabling complex control loops with high bandwidth. The integrated PWM modules support dead-band generation, trip zones, and synchronization, which are essential for motor control and power electronics. The 12-bit ADC with dual sample-and-hold circuits allows simultaneous sampling of two analog signals, improving control accuracy. The device also features a memory protection unit and a watchdog timer for enhanced reliability.
Typical applications include industrial motor drives, servo control, digital power supplies, solar inverters, and electric vehicle (EV) charging systems. The TMS320F2808PZA's combination of processing power, integrated peripherals, and robust security makes it a preferred choice for engineers developing high-performance control systems.
When designing with this device, ensure proper decoupling of the 1.8-V core and 3.3-V I/O supplies, and follow the recommended layout for the LQFP package to minimize noise and thermal issues. The JTAG interface should be brought out for debugging and firmware updates.
Bộ thay thế dễ dàng lắp đặt cho TMS320F2808PZA — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với TMS320F2808PZA (cùng hình factor và footprint) — khác nhau ở Flash Memory, Package, Core, Operating Temperature, PWM Channels.
TMS320F2808PZQ
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TMS320F2806PZA
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TMS320F2801PZA
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
TMS320F2809PZA
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
TMS320F28335PZA
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
TMS320F2808PZA Tỷ lệ tối đa & tính chất điện
| Core | C28x fixed-point |
| Architecture | 32-bit |
| Clock Speed | 100 MHz |
| Cycle Time | 10 ns |
| Flash Memory | 128 KB (64K x 16) |
| I/O Pins | 35 |
| PWM Channels | 12 |
| ADC | 12-bit, dual sample-and-hold |
| Communication Interfaces | ECAN, I2C, SCI, SPI |
| Core Supply Voltage | 1.8 V |
| I/O Supply Voltage | 3.3 V |
| Flash Voltage | 3.3 V |
| Hộp | 100-LQFP (PZ) 14x14 mm |
| Khoảng nhiệt độ hoạt động | -40°C to 85°C |
| Security | 128-bit security key/lock |
| JTAG | Boundary scan support |
| RoHS | Compliant |
Cấu hình chân TMS320F2808PZA
| Chân 1 | VDD — Core power supply (1.8V) |
| Chân 2 | VSS — Ground |
| Chân 3 | GPIO0 — General purpose I/O |
| Chân 4 | GPIO1 — General purpose I/O |
| Chân 5 | GPIO2 — General purpose I/O |
| Chân 6 | GPIO3 — General purpose I/O |
| Chân 7 | GPIO4 — General purpose I/O |
| Chân 8 | GPIO5 — General purpose I/O |
| Chân 9 | GPIO6 — General purpose I/O |
| Chân 10 | GPIO7 — General purpose I/O |
| Chân 11 | VDDIO — I/O power supply (3.3V) |
| Chân 12 | VSS — Ground |
| Chân 13 | GPIO8 — General purpose I/O |
| Chân 14 | GPIO9 — General purpose I/O |
| Chân 15 | GPIO10 — General purpose I/O |
| Chân 16 | GPIO11 — General purpose I/O |
| Chân 17 | GPIO12 — General purpose I/O |
| Chân 18 | GPIO13 — General purpose I/O |
| Chân 19 | GPIO14 — General purpose I/O |
| Chân 20 | GPIO15 — General purpose I/O |
| Chân 21 | VDD — Core power supply (1.8V) |
| Chân 22 | VSS — Ground |
| Chân 23 | GPIO16 — General purpose I/O |
| Chân 24 | GPIO17 — General purpose I/O |
| Chân 25 | GPIO18 — General purpose I/O |
| Chân 26 | GPIO19 — General purpose I/O |
| Chân 27 | GPIO20 — General purpose I/O |
| Chân 28 | GPIO21 — General purpose I/O |
| Chân 29 | GPIO22 — General purpose I/O |
| Chân 30 | GPIO23 — General purpose I/O |
| Chân 31 | VDDIO — I/O power supply (3.3V) |
| Chân 32 | VSS — Ground |
| Chân 33 | GPIO24 — General purpose I/O |
| Chân 34 | GPIO25 — General purpose I/O |
| Chân 35 | GPIO26 — General purpose I/O |
| Chân 36 | GPIO27 — General purpose I/O |
| Chân 37 | GPIO28 — General purpose I/O |
| Chân 38 | GPIO29 — General purpose I/O |
| Chân 39 | GPIO30 — General purpose I/O |
| Chân 40 | GPIO31 — General purpose I/O |
| Chân 41 | VDD — Core power supply (1.8V) |
| Chân 42 | VSS — Ground |
| Chân 43 | GPIO32 — General purpose I/O |
| Chân 44 | GPIO33 — General purpose I/O |
| Chân 45 | GPIO34 — General purpose I/O |
| Chân 46 | GPIO35 — General purpose I/O |
| Chân 47 | GPIO36 — General purpose I/O |
| Chân 48 | GPIO37 — General purpose I/O |
| Chân 49 | GPIO38 — General purpose I/O |
| Chân 50 | GPIO39 — General purpose I/O |
| Chân 51 | VDDIO — I/O power supply (3.3V) |
| Chân 52 | VSS — Ground |
| Chân 53 | GPIO40 — General purpose I/O |
| Chân 54 | GPIO41 — General purpose I/O |
| Chân 55 | GPIO42 — General purpose I/O |
| Chân 56 | GPIO43 — General purpose I/O |
| Chân 57 | GPIO44 — General purpose I/O |
| Chân 58 | GPIO45 — General purpose I/O |
| Chân 59 | GPIO46 — General purpose I/O |
| Chân 60 | GPIO47 — General purpose I/O |
| Chân 61 | VDD — Core power supply (1.8V) |
| Chân 62 | VSS — Ground |
| Chân 63 | GPIO48 — General purpose I/O |
| Chân 64 | GPIO49 — General purpose I/O |
| Chân 65 | GPIO50 — General purpose I/O |
| Chân 66 | GPIO51 — General purpose I/O |
| Chân 67 | GPIO52 — General purpose I/O |
| Chân 68 | GPIO53 — General purpose I/O |
| Chân 69 | GPIO54 — General purpose I/O |
| Chân 70 | GPIO55 — General purpose I/O |
| Chân 71 | VDDIO — I/O power supply (3.3V) |
| Chân 72 | VSS — Ground |
| Chân 73 | GPIO56 — General purpose I/O |
| Chân 74 | GPIO57 — General purpose I/O |
| Chân 75 | GPIO58 — General purpose I/O |
| Chân 76 | GPIO59 — General purpose I/O |
| Chân 77 | GPIO60 — General purpose I/O |
| Chân 78 | GPIO61 — General purpose I/O |
| Chân 79 | GPIO62 — General purpose I/O |
| Chân 80 | GPIO63 — General purpose I/O |
| Chân 81 | VDD — Core power supply (1.8V) |
| Chân 82 | VSS — Ground |
| Chân 83 | GPIO64 — General purpose I/O |
| Chân 84 | GPIO65 — General purpose I/O |
| Chân 85 | GPIO66 — General purpose I/O |
| Chân 86 | GPIO67 — General purpose I/O |
| Chân 87 | GPIO68 — General purpose I/O |
| Chân 88 | GPIO69 — General purpose I/O |
| Chân 89 | GPIO70 — General purpose I/O |
| Chân 90 | GPIO71 — General purpose I/O |
| Chân 91 | VDDIO — I/O power supply (3.3V) |
| Chân 92 | VSS — Ground |
| Chân 93 | GPIO72 — General purpose I/O |
| Chân 94 | GPIO73 — General purpose I/O |
| Chân 95 | GPIO74 — General purpose I/O |
| Chân 96 | GPIO75 — General purpose I/O |
| Chân 97 | GPIO76 — General purpose I/O |
| Chân 98 | GPIO77 — General purpose I/O |
| Chân 99 | GPIO78 — General purpose I/O |
| Chân 100 | GPIO79 — General purpose I/O |
Ứng dụng tiêu biểu
TMS320F2808PZA phù hợp cho 6 Áp dụngs: Industrial Motor Drives, Digital Power Supplies, Solar Inverters, Electric Vehicle Charging Systems, Servo Control, Renewable Energy Systems.
Industrial Motor Drives
The TMS320F2808PZA is ideal for industrial motor drives due to its 12 PWM channels with dead-band generation and trip zones, 12-bit ADC with dual sample-and-hold, and 100 MHz C28x core. These features enable precise and fast control loops for AC induction, BLDC, and stepper motors. The device's high-speed processing ensures smooth and efficient motor operation, reducing torque ripple and improving energy efficiency. With its robust security features and wide operating temperature range, it is suitable for harsh industrial environments.
Được đề xuất
Digital Power Supplies
The TMS320F2808PZA excels in digital power supply applications, such as server power supplies and telecom rectifiers, due to its high-speed ADC and PWM modules. The 12-bit ADC with dual sample-and-hold allows simultaneous voltage and current sensing, enabling precise digital control loops. The PWM modules support dead-band generation and trip zones, essential for synchronous rectification and protection. The 100 MHz C28x core ensures fast loop response, improving transient performance and efficiency. Its integrated communication interfaces (ECAN, I2C, SCI, SPI) facilitate system monitoring and control.
Được đề xuất
Solar Inverters
The TMS320F2808PZA is well-suited for solar inverters, where it manages maximum power point tracking (MPPT) and grid synchronization. Its 12 PWM channels can generate high-frequency switching signals for DC-DC converters and inverters. The 12-bit ADC with dual sample-and-hold enables accurate voltage and current sensing for MPPT algorithms. The 100 MHz C28x core provides the computational power needed for complex control algorithms, ensuring maximum energy harvest and grid compliance. The device's robust security features protect firmware from unauthorized access.
Được đề xuất
Electric Vehicle Charging Systems
The TMS320F2808PZA is used in electric vehicle (EV) charging systems for power conversion and communication. Its high-speed PWM and ADC enable efficient AC-DC and DC-DC conversion, while the ECAN interface supports communication with the vehicle's battery management system. The 100 MHz C28x core handles complex control algorithms for power factor correction and voltage regulation. The device's wide operating temperature range and robust security features make it suitable for automotive-grade applications. Its integrated communication interfaces facilitate compliance with charging standards.
Được đề xuất
Servo Control
The TMS320F2808PZA is ideal for servo control applications, such as robotics and CNC machines, due to its high-speed PWM and ADC. The 12 PWM channels can generate precise control signals for servo motors, while the 12-bit ADC with dual sample-and-hold enables accurate position and current feedback. The 100 MHz C28x core ensures fast and deterministic execution of control algorithms, minimizing latency and improving accuracy. The device's integrated communication interfaces allow for easy integration with host controllers and sensors.
Được đề xuất
Renewable Energy Systems
The TMS320F2808PZA is used in renewable energy systems, such as wind turbines and energy storage systems, for power conversion and control. Its high-speed PWM and ADC enable efficient power conversion, while the 100 MHz C28x core handles complex control algorithms for grid synchronization and power quality. The device's robust security features protect firmware from unauthorized access, ensuring reliable operation. Its wide operating temperature range makes it suitable for outdoor installations. The integrated communication interfaces facilitate system monitoring and remote control.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TMS320F2808PZA — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | TMS320F2808PZQ | TMS320F2806PZA | TMS320F2801PZA | TMS320F2809PZA | TMS320F28335PZA |
|---|---|---|---|---|---|---|
| Package | 100-LQFP (PZ) | 100-LQFP (PZ) | 100-LQFP (PZ) | 100-LQFP (PZ) | 100-LQFP (PZ) | 100-LQFP (PZ) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Core | C28x fixed-point | C28x fixed-point | C28x fixed-point | C28x fixed-point | C28x fixed-point | C28x floating-point |
| Clock Speed | 100 MHz | 100 MHz | 80 MHz | 60 MHz | 100 MHz | 150 MHz |
| Flash Memory | 128 KB | 128 KB | 64 KB | 32 KB | 256 KB | 512 KB |
| PWM Channels | 12 | 12 | 8 | 4 | 16 | 18 |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| Operating Temperature Range | -40 to 85°C | -40 to 125°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
Bảo phân biệt quan trọng
- Higher clock speed and more flash than lower-tier C2000 parts (vsTMS320F2806PZA)
- Wider operating temperature range option (vsTMS320F2808PZQ)
- Fixed-point core optimized for real-time control (vsTMS320F28335PZA)
Ghi chú thiết kế
The TMS320F2808PZA requires separate power supplies for core (1.8V) and I/O (3.3V). Use low-dropout regulators (LDOs) with low noise and good transient response. Place decoupling capacitors (100nF and 10uF) close to each VDD and VDDIO pin. Ensure the core supply ramps up before or simultaneously with the I/O supply to avoid latch-up. Refer to the datasheet for power sequencing requirements.
For the 100-pin LQFP package, ensure proper PCB layout with a solid ground plane and adequate thermal relief. Use a 4-layer board with dedicated power and ground planes to minimize noise. Place the crystal oscillator and JTAG connector close to the MCU, with short traces. Follow the manufacturer's recommended footprint and stencil design for reliable soldering.
A common pitfall is neglecting the JTAG interface during layout. Always bring out the JTAG pins (TMS, TCK, TDI, TDO) to a standard header for debugging and firmware updates. Also, ensure the 128-bit security key/lock is properly configured to avoid locking yourself out. Use the watchdog timer to prevent system hangs, and verify the ADC reference voltage for accurate conversions.
Thông tin tuân thủ
RoHS compliant per TI product page. Not AEC-Q100 qualified; choose TMS320F2808PZQ for automotive grade.