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F280049PZS
Texas Instruments
IC MCU 32BIT 256KB FLASH 100LQFP
4073 Pcs New Original In Stock
C28x C2000™ C28x Piccolo™ Microcontroller IC 32-Bit Single-Core 100MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)
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5.0 / 5.0
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F280049PZS
Product Overview
1305117
DiGi Electronics Part Number
F280049PZS-DGManufacturer
Texas Instruments
F280049PZS
Description
IC MCU 32BIT 256KB FLASH 100LQFPInventory
4073 Pcs New Original In Stock
C28x C2000™ C28x Piccolo™ Microcontroller IC 32-Bit Single-Core 100MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)
Quantity
Minimum 1
Minimum 1
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F280049PZS Technical Specifications
Category
Embedded, Microcontrollers
Packaging
Tray
Series
C2000™ C28x Piccolo™
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Core Processor
C28x
Core Size
32-Bit Single-Core
Speed
100MHz
Connectivity
CANbus, I2C, LINbus, SCI, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
40
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
EEPROM Size
-
RAM Size
100K x 8
Voltage - Supply (Vcc/Vdd)
1.14V ~ 1.32V
Data Converters
A/D 21x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Supplier Device Package
100-LQFP (14x14)
Package / Case
100-LQFP
Base Product Number
F280049
Datasheet & Documents
Manuals
TMS320F28004x Technical Manual
Manufacturer Product Page
F280049PZS Specifications
HTML Datasheet
F280049PZS-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
3A991A2
HTSUS
8542.31.0001
Additional Information
Other Names
296-53269
Standard Package
90
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Ich bin begeistert von der Zuverlässigkeit der Produkte von DiGi Electronics. Sie funktionieren immer einwandfrei.
de desembre 02, 2025
Affordable prices and a reliable support system make them my preferred brand.
de desembre 02, 2025
Customer service is excellent in addressing any tracking concerns; their system is very transparent.
de desembre 02, 2025
Long-term, I trust DiGi Electronics to continue providing reliable and quality electronics.
de desembre 02, 2025
The durability of their components is remarkable; I’ve tested them in a corrosive environment, and they still function perfectly.
de desembre 02, 2025
Their support staff goes above and beyond to ensure our satisfaction after every purchase.
de desembre 02, 2025
Reliability in packaging safety is evident, reinforcing trust in their delivery process.
de desembre 02, 2025
The support team went above and beyond to assist me after my purchase.
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Frequently Asked Questions (FAQ)
When migrating from TMS320F28035 or F28069 to F280049PZS for a motor control application, what are the key hardware and software migration risks I need to mitigate?
The F280049PZS offers a significant architecture upgrade from older Piccolo devices. Key risks: 1) **Voltage Domain**: F280049PZS uses a 1.2V core (VDD) versus 3.3V on F28035; ensure your PMIC provides 1.14V–1.32V, or use the internal voltage regulator (VREG) correctly. 2) **Boot ROM**: The boot pin mapping changed; F280049PZS uses GPIO24/32 (vs GPIO34/37 on F28035). 3) **CLA to CLA**: The new CLA (Control Law Accelerator) is Type 2, requiring a rebuild of assembly/C code; legacy CLA programs need re-assembly. 4) **ADC**: 12-bit ADC with post-processing block (PPB) replaces older 12-bit; implement software to leverage PPB for oversampling to reduce CPU load. Use TI's SysConfig tool to catch pin conflicts early.
For a high-reliability industrial drive design, what is the practical impact of the F280049PZS brown-out detect (BOR) vs. power-on reset (POR) configuration on startup reliability under noisy power rails?
A common design oversight is assuming the internal BOR/POR handles all glitches. For F280049PZS, the BOR has two programmable thresholds: BOR0 (1.08V) and BOR1 (1.14V). In noisy environments with switching regulators, transient dips below the BOR1 threshold (but above BOR0) can cause the device to remain in reset or initiate a partial reset without a full POR, leading to watchdog timeouts or erratic behavior. **Mitigation**: Disable BOR1 and use BOR0 only if your supply is well-regulated; otherwise, implement an external supervisor (e.g., TPS3808) monitoring the 3.3V rail. Additionally, configure the internal POR to require a minimum 1ms ramp time; faster ramps may bypass the internal reset logic, requiring an external reset IC to guarantee proper initialization.
I am selecting between F280049PZS and STM32G474 for a dual-motor servo application with 100kHz PWM. What specific peripheral limitations of F280049PZS affect control loop timing and PWM fault handling that are not obvious from the core speed?
While both have 100MHz cores, the F280049PZS excels in deterministic interrupt latency (<50ns) due to its C28x core and floating-point unit (FPU). The critical decision factor is the **ePWM and Trip-Zone (TZ) architecture**. For dual-motor control, F280049PZS has 12 ePWM modules (24 channels), which are sufficient. However, the **TZ fault handling** is digital—no built-in analog comparator for fast cycle-by-cycle current limiting unless you use the on-chip CMPSS (comparator subsystem). Ensure you allocate CMPSS modules per motor; F280049PZS has 4 CMPSS, allowing two motors with overcurrent protection. STM32G474 offers more analog comparators but lacks the **CLB (Configurable Logic Block)** found on F280049PZS. For 100kHz PWM, leverage the F280049PZS’s **HRPWM** (150ps resolution) to achieve high-resolution duty cycles without increasing switching frequency, which is critical for low-inductance motors.
Can F280049PZS directly replace TMS320F28335 in an existing power converter design (3-phase PFC) without PCB layout changes, considering pin compatibility and analog performance?
No, F280049PZS is **not pin-to-pin compatible** with F28335 (176-pin vs 100-pin). If a PCB redesign is acceptable, focus on the **ADC input impedance** difference. F28335 uses a classic 12-bit SAR ADC with 1.5kΩ input impedance, while F280049PZS uses a 12-bit ADC with a much lower sampling capacitance (~3.2pF) but requires an external driver if source impedance exceeds 200Ω for high-throughput sampling. In your 3-phase PFC, if you directly connect voltage dividers (>10kΩ), you'll get gain error and settling time violations. **Solution**: Add an op-amp buffer (e.g., OPA320) before each ADC pin or reduce divider network impedance to <200Ω. Also, note the **DAC**: F28335 has 2x 12-bit DACs; F280049PZS also has 2x 12-bit DACs but with higher output drive (up to 5mA), so external amplification may be simplified.
For a high-temperature (105°C ambient) automotive application, what are the long-term reliability risks of using the F280049PZS's internal flash memory for EEPROM emulation, and what mitigation strategies are recommended?
The F280049PZS flash is rated for 20,000 program/erase cycles at 125°C TJ. For automotive (105°C ambient, TJ could reach 125°C), using flash for EEPROM emulation risks exceeding cycle life if you log data frequently (e.g., >10 writes/hour). **Risk**: Data retention degrades with high cycle count and temperature; TI specifies 20 years at 105°C after 20k cycles, but beyond that, read disturb or bit flips increase. **Mitigation**: 1) Use the **DCSM (Dual Code Security Module)** to zone off a dedicated flash bank for emulation; implement wear-leveling with at least 2x the required sector size to extend life. 2) For frequent logging (>1 write/minute), offload to an external SPI FRAM (e.g., FM25V05) to avoid flash endurance limits. 3) Enable **ECC (Error Correcting Code)** on the flash array—the F280049PZS automatically corrects single-bit errors; monitor the NMI (Non-Maskable Interrupt) flag for flash ECC errors to detect early degradation before data corruption occurs.
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F280049PZS CAD Models
Texas Instruments F280049PZS PCB symbols & footprints
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