TMS320F2808PZS - 100MHz C2000 32-bit MCU 128KB Flash | TI
MPN: TMS320F2808PZS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.85 | $12.85 |
| 10 | $11.56 | $115.60 |
| 100 | $10.28 | $1,028.00 |
| 500 | $9.24 | $4,620.00 |
| 1,000 | $8.32 | $8,320.00 |
TMS320F2808PZS Overview
A digital signal controller combines the processing power of a digital signal processor with the peripheral integration and ease of use of a microcontroller. The C28x core is optimized for real-time control, featuring a Harvard architecture, single-cycle 32x32-bit multiply-accumulate (MAC), and an instruction set tailored for control algorithms, making it ideal for closed-loop systems requiring deterministic, high-speed computation.
Key features include the 100 MHz 32-bit fixed-point CPU, 128KB flash, 18KB on-chip SRAM, and a 12-bit ADC with up to 16 input channels. The device supports dynamic PLL ratio changes, an on-chip oscillator, a watchdog timer, 35 general-purpose I/O pins, a JTAG debug interface, and multiple low-power modes. It is built on high-performance static CMOS technology and is object-compatible with the TMS320C2xx family for straightforward code migration from legacy designs.
The integrated enhanced control peripherals - 12 PWM channels paired with the high-speed ADC - were specifically architected for power electronics control loops, reducing external component count and loop latency compared to discrete controller-plus-converter solutions.
Typical applications include motor control (AC induction, BLDC, PMSM), digital power supplies, solar inverters, and industrial automation, where fast control-loop execution and precise PWM resolution directly improve efficiency and transient response.
Design tip: decouple all supply pins with low-ESR ceramics placed close to the LQFP, generate the clock from the internal oscillator or external crystal, and reserve JTAG pins for programming and debug access. Verify that 128KB flash capacity fits your application before selecting against smaller F2806-family variants.
Drop-in alternatives for TMS320F2808PZS — 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 TMS320F2808PZS (same form factor and footprint) — differing in Package, Core, Flash Memory, Operating Temperature Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TMS320F2808PZA
✅ Drop-In✓ In Stock
$8.1 / Unit
View Datasheet →TMS320F2808PZQ
✅ Drop-In📋 Reference alternative (not in catalog)
TMS320F2809PZA
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
TMS320F2806PZA
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
TMS320F28069PZT
⚡ Same Package✓ In Stock
$8.1 / Unit
View Datasheet →TMS320F2808PZS Maximum Ratings & Electrical Characteristics
| Core | C2000 C28x Fixed-Point |
| Data Bus Width | 32 bit |
| Clock Frequency | 100 MHz |
| Flash Memory | 128KB (64K x 16) |
| SRAM | 18KB |
| PWM Channels | 12 |
| ADC Resolution | 12 bit |
| ADC Channels | 16 |
| Communication Interfaces | ECAN, I2C, SCI, SPI |
| GPIO Count | 35 I/Os |
| Operating Temperature | -40C to +125C |
| Package | 100-LQFP (PZ), 14x14 mm |
| Pin Count | 100 |
| Mounting Type | Surface Mount |
| Technology | High-performance static CMOS |
| Debug Interface | JTAG |
| RoHS Status | Compliant |
TMS320F2808PZS 100-lqfp (pz), 14x14 mm Pin Configuration Guide
Pin configuration for TMS320F2808PZS (100-lqfp (pz), 14x14 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for TMS320F2808PZS.
Refer to the datasheet for full pin configuration.
Typical Applications
TMS320F2808PZS is suitable for 6 applications: Three-Phase Motor Control (PMSM/BLDC), Digital Power Supplies and DC-DC Converters, Solar Inverters and Renewable Energy, Industrial Automation and Robotics, Automotive Traction and Auxiliary Motor Drives, Embedded Test and Instrumentation Control.
Three-Phase Motor Control (PMSM/BLDC)
The TMS320F2808PZS fits motor control because its 12 PWM channels generate complementary three-phase inverter drive signals while the 16-channel 12-bit ADC samples phase currents and bus voltage synchronously with PWM. The 100 MHz C28x core executes field-oriented control (FOC) with single-cycle 32x32-bit MAC, supporting current-loop rates of 10-20 kHz with deterministic latency. Placed between gate drivers and current-sense amplifiers, it replaces discrete controller-plus-converter designs, cutting loop delay and external components for smoother torque and higher drive efficiency.
Recommended
Digital Power Supplies and DC-DC Converters
The device suits digital power control because the C28x core closes voltage/current loops at high bandwidth using the 12-bit ADC and 12 PWM channels with fine duty resolution. Operating at 100 MHz, it implements peak current mode or average current mode control for LLC, phase-shifted full bridge, and buck topologies. Software control enables adaptive dead-time, nonlinear gains, and telemetry over eCAN/SCI that analog controllers cannot offer, at the cost of firmware development effort versus fixed-function PWM controllers.
Recommended
Solar Inverters and Renewable Energy
For grid-tied solar inverters, the TMS320F2808PZS performs maximum power point tracking (MPPT), DC-link regulation, and grid-current control in one chip. The 100 MHz fixed-point core executes MPPT and current-reference generation while the 12-bit ADC samples grid voltage and current for synchronization. eCAN and SCI interfaces support inverter monitoring and plant SCADA connectivity. Its deterministic interrupt response keeps the grid-current control loop stable at switching frequencies of 16-20 kHz typical for string inverters.
Recommended
Industrial Automation and Robotics
In factory automation, the controller drives servo axes, coordinates with PLCs over eCAN, and handles on-machine sensing via SPI and I2C. The 35 GPIOs with multiplexed peripheral functions consolidate encoder decoding, limit-switch monitoring, and safety interlocks. The -40C to +125C industrial temperature rating suits drive cabinets and motor-mounted electronics. Deterministic 100 MHz execution supports position-loop rates in the tens of kHz, delivering the responsive motion profile that conveyor, robotic-joint, and CNC applications require.
Recommended
Automotive Traction and Auxiliary Motor Drives
The automotive-qualified sibling TMS320F2808PZQ shares this die for automotive motor drives such as pumps, fans, and auxiliary inverters. The 12 PWM outputs interface with isolated gate drivers, while the 12-bit ADC reads phase currents resolved by isolated amplifiers. Functional-safety features of the C2000 architecture - watchdog, clock monitoring, and flash integrity checks - support ASIL-rated system architectures. The 100-pin LQFP package provides enough GPIO for relay control and fault reporting over eCAN to the vehicle bus.
Recommended
Embedded Test and Instrumentation Control
The TMS320F2808PZS serves as the sequencing and control brain for instrumentation such as electronic loads, source-measure units, and programmable power supplies. Its 100 MHz core closes precision feedback loops using the 12-bit ADC, while SCI and SPI communicate with host PCs and front-panel modules. Fast deterministic PWM enables switching stages inside the instrument, and the -40C to +125C range fits bench and rack environments. Firmware upgradability via 128KB flash allows field feature updates that analog-only designs cannot match.
Recommended
Recommended Products Summary
Engineering reference data for TMS320F2808PZS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TMS320F2808PZA | TMS320F2808PZQ | TMS320F2809PZA | TMS320F28069PZT |
|---|---|---|---|---|---|
| Package | 100-LQFP (PZ) 14x14 mm | 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 |
| CPU Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 90 MHz |
| Flash Memory | 128KB | 128KB | 128KB | 256KB | 256KB |
| PWM Channels | 12 | 12 | 12 | 16 | 16 (ePWM + HRPWM) |
| Qualification | Industrial | Industrial | AEC-Q100 | Industrial | Industrial |
| Core Architecture | C28x 32-bit fixed-point | C28x 32-bit fixed-point | C28x 32-bit fixed-point | C28x 32-bit fixed-point | C28x + CLA coprocessor |
Key Differentiators
- Balanced 128KB flash in classic F280x family (vs TMS320F2809PZA)
- Automotive option on same footprint (vs TMS320F2808PZQ)
- Simple migration path to modern C2000 (vs TMS320F28069PZT)
Design Notes
Decouple all VDD and VDDIO supply pins with 0.1uF ceramics placed within 2 mm of each pin pair, plus bulk 10uF near the device. On the 100-pin LQFP, keep the ADC analog supply filtered through a ferrite bead from digital 3.3V. Ground return for the ADC reference should be a quiet analog ground island connected at a single point.
Do not reassign JTAG pins (TRST, TMS, TDI, TDO, TCK, EMU0/1) to GPIO - losing debug access on a soldered LQFP forces rework. Ensure the XRS/ reset pin has proper RC and that boot-mode pin states (GPIO34/GPIO37, SCITXDA, MDXA, SPI_SIMO sampled at reset) select the intended boot source (flash vs serial loader).
The device requires sequenced core and I/O rails per the datasheet power-supply requirements. Check rail ramp order or use a supervisor/sequencer to avoid latch-up risk. Core current scales with frequency - budget roughly for 100 MHz worst case with all peripherals active and validate with TI power estimation spreadsheet [DATA_NEEDED: exact current figures].
Compliance Information
Green/RoHS package per TI ordering info; use TMS320F2808PZQ for AEC-Q100 qualified flow. REACH and halogen-free status not stated in provided data.
