TMS320F2808PZA - 100MHz C2000 MCU 128KB Flash | Texas Instruments
MPN: TMS320F2808PZA ✓ פעילTMS320F2808PZA סקירה
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.
חלופות תחליף ישיר עבור TMS320F2808PZA — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם TMS320F2808PZA (אותו גורם צורה וטביעת רגל) — שונים ב Flash Memory, Package, Core, Operating Temperature, PWM Channels.
TMS320F2808PZQ
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
TMS320F2806PZA
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
TMS320F2801PZA
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
TMS320F2809PZA
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
TMS320F28335PZA
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
TMS320F2808PZA דירוגים מרביים ומאפיינים חשמליים
| 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 |
| מארז | 100-LQFP (PZ) 14x14 mm |
| טווח טמפרטורת פעולה | -40°C to 85°C |
| Security | 128-bit security key/lock |
| JTAG | Boundary scan support |
| RoHS | Compliant |
תצורת פינים של TMS320F2808PZA
| פין 1 | VDD — Core power supply (1.8V) |
| פין 2 | VSS — Ground |
| פין 3 | GPIO0 — General purpose I/O |
| פין 4 | GPIO1 — General purpose I/O |
| פין 5 | GPIO2 — General purpose I/O |
| פין 6 | GPIO3 — General purpose I/O |
| פין 7 | GPIO4 — General purpose I/O |
| פין 8 | GPIO5 — General purpose I/O |
| פין 9 | GPIO6 — General purpose I/O |
| פין 10 | GPIO7 — General purpose I/O |
| פין 11 | VDDIO — I/O power supply (3.3V) |
| פין 12 | VSS — Ground |
| פין 13 | GPIO8 — General purpose I/O |
| פין 14 | GPIO9 — General purpose I/O |
| פין 15 | GPIO10 — General purpose I/O |
| פין 16 | GPIO11 — General purpose I/O |
| פין 17 | GPIO12 — General purpose I/O |
| פין 18 | GPIO13 — General purpose I/O |
| פין 19 | GPIO14 — General purpose I/O |
| פין 20 | GPIO15 — General purpose I/O |
| פין 21 | VDD — Core power supply (1.8V) |
| פין 22 | VSS — Ground |
| פין 23 | GPIO16 — General purpose I/O |
| פין 24 | GPIO17 — General purpose I/O |
| פין 25 | GPIO18 — General purpose I/O |
| פין 26 | GPIO19 — General purpose I/O |
| פין 27 | GPIO20 — General purpose I/O |
| פין 28 | GPIO21 — General purpose I/O |
| פין 29 | GPIO22 — General purpose I/O |
| פין 30 | GPIO23 — General purpose I/O |
| פין 31 | VDDIO — I/O power supply (3.3V) |
| פין 32 | VSS — Ground |
| פין 33 | GPIO24 — General purpose I/O |
| פין 34 | GPIO25 — General purpose I/O |
| פין 35 | GPIO26 — General purpose I/O |
| פין 36 | GPIO27 — General purpose I/O |
| פין 37 | GPIO28 — General purpose I/O |
| פין 38 | GPIO29 — General purpose I/O |
| פין 39 | GPIO30 — General purpose I/O |
| פין 40 | GPIO31 — General purpose I/O |
| פין 41 | VDD — Core power supply (1.8V) |
| פין 42 | VSS — Ground |
| פין 43 | GPIO32 — General purpose I/O |
| פין 44 | GPIO33 — General purpose I/O |
| פין 45 | GPIO34 — General purpose I/O |
| פין 46 | GPIO35 — General purpose I/O |
| פין 47 | GPIO36 — General purpose I/O |
| פין 48 | GPIO37 — General purpose I/O |
| פין 49 | GPIO38 — General purpose I/O |
| פין 50 | GPIO39 — General purpose I/O |
| פין 51 | VDDIO — I/O power supply (3.3V) |
| פין 52 | VSS — Ground |
| פין 53 | GPIO40 — General purpose I/O |
| פין 54 | GPIO41 — General purpose I/O |
| פין 55 | GPIO42 — General purpose I/O |
| פין 56 | GPIO43 — General purpose I/O |
| פין 57 | GPIO44 — General purpose I/O |
| פין 58 | GPIO45 — General purpose I/O |
| פין 59 | GPIO46 — General purpose I/O |
| פין 60 | GPIO47 — General purpose I/O |
| פין 61 | VDD — Core power supply (1.8V) |
| פין 62 | VSS — Ground |
| פין 63 | GPIO48 — General purpose I/O |
| פין 64 | GPIO49 — General purpose I/O |
| פין 65 | GPIO50 — General purpose I/O |
| פין 66 | GPIO51 — General purpose I/O |
| פין 67 | GPIO52 — General purpose I/O |
| פין 68 | GPIO53 — General purpose I/O |
| פין 69 | GPIO54 — General purpose I/O |
| פין 70 | GPIO55 — General purpose I/O |
| פין 71 | VDDIO — I/O power supply (3.3V) |
| פין 72 | VSS — Ground |
| פין 73 | GPIO56 — General purpose I/O |
| פין 74 | GPIO57 — General purpose I/O |
| פין 75 | GPIO58 — General purpose I/O |
| פין 76 | GPIO59 — General purpose I/O |
| פין 77 | GPIO60 — General purpose I/O |
| פין 78 | GPIO61 — General purpose I/O |
| פין 79 | GPIO62 — General purpose I/O |
| פין 80 | GPIO63 — General purpose I/O |
| פין 81 | VDD — Core power supply (1.8V) |
| פין 82 | VSS — Ground |
| פין 83 | GPIO64 — General purpose I/O |
| פין 84 | GPIO65 — General purpose I/O |
| פין 85 | GPIO66 — General purpose I/O |
| פין 86 | GPIO67 — General purpose I/O |
| פין 87 | GPIO68 — General purpose I/O |
| פין 88 | GPIO69 — General purpose I/O |
| פין 89 | GPIO70 — General purpose I/O |
| פין 90 | GPIO71 — General purpose I/O |
| פין 91 | VDDIO — I/O power supply (3.3V) |
| פין 92 | VSS — Ground |
| פין 93 | GPIO72 — General purpose I/O |
| פין 94 | GPIO73 — General purpose I/O |
| פין 95 | GPIO74 — General purpose I/O |
| פין 96 | GPIO75 — General purpose I/O |
| פין 97 | GPIO76 — General purpose I/O |
| פין 98 | GPIO77 — General purpose I/O |
| פין 99 | GPIO78 — General purpose I/O |
| פין 100 | GPIO79 — General purpose I/O |
יישומים טיפוסיים
TMS320F2808PZA מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור TMS320F2808PZA — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Higher clock speed and more flash than lower-tier C2000 parts (לעומתTMS320F2806PZA)
- Wider operating temperature range option (לעומתTMS320F2808PZQ)
- Fixed-point core optimized for real-time control (לעומתTMS320F28335PZA)
הערות תכנון
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.
מידע על תאימות
RoHS compliant per TI product page. Not AEC-Q100 qualified; choose TMS320F2808PZQ for automotive grade.
