ARM® Cortex®-M4F STM32G4 Microcontroller IC 32-Bit 170MHz 512KB (512K x 8) FLASH 64-LQFP (10x10) The STM32G491RET6 from STMicroelectronics is a high-performance 32-bit microcontroller based on the Arm® Cortex®-M4 core with Floating Point Unit (FPU), designed for advanced embedded applications requiring high computational performance, precise analog processing, and real-time control. It belongs to the STM32G4 series and integrates enhanced analog peripherals, motor-control timers, communication interfaces, security features, and hardware accelerators such as CORDIC and FMAC. The device operates at up to 170 MHz, provides 512 KB Flash memory, and includes 96 KB SRAM, making it suitable for applications such as motor control, digital power conversion, industrial automation, robotics, and embedded control systems. Key Features Core: Arm® Cortex®-M4 32-bit CPU with FPU, DSP instructions, and MPU Maximum CPU Frequency: Up to 170 MHz (up to 213 DMIPS) Memory: 512 KB Flash memory with ECC support 96 KB SRAM with parity checking features Quad-SPI memory interface Operating Voltage: 1.71 V to 3.6 V Package: LQFP-64 Advanced Analog Features: 3 × 12-bit ADCs with high-speed conversion 4 × 12-bit DAC channels 4 × Rail-to-Rail operational amplifiers 4 × Fast analog comparators Internal voltage reference buffer Hardware Accelerators: CORDIC accelerator for trigonometric calculations FMAC (Filter Math Accelerator) for digital filtering applications Timers & Motor Control: Advanced PWM timers for motor-control applications Multiple 16-bit and 32-bit timers Support for encoder and PWM control Communication Interfaces: 2 × FDCAN interfaces 5 × USART/UART 3 × SPI interfaces 3 × I²C interfaces USB 2.0 Full-Speed interface SAI audio interface Security Features: True Random Number Generator (TRNG) CRC calculation unit Unique device ID Debug & Programming: SWD and JTAG debugging support Typical Applications Motor control and BLDC controllers Digital power converters Industrial automation equipment Robotics and motion control Smart sensors and embedded control systems Power management applications #STM32G491RET6 #STM32G4 #STMicroelectronics #ARM_CortexM4 #Microcontroller #MCU #EmbeddedSystems #MotorControl #DigitalPower #IndustrialAutomation #Robotics #IoT #ElectronicsDesign #PCBDesign

The TMS320F280049CPZQR is a 32-bit real-time microcontroller from Texas Instruments' C2000 Piccolo family, purpose-built for high-performance digital power control, motor control, and other real-time embedded control applications. The device is centered around TI's C28x digital signal processing core, a fixed- and floating-point architecture specifically optimized for the kind of fast, deterministic mathematical computation required in closed-loop control systems such as motor drives, digital power supplies, solar inverters, and electric vehicle subsystems. This particular part number represents the "C" variant within the TMS320F28004x family, which grants access to an integrated Configurable Logic Block, a flexible programmable logic resource that allows engineers to implement custom digital logic functions directly on-chip, such as specialized PWM waveform shaping, custom protocol interfaces, or glue logic that would otherwise require an external FPGA or discrete logic devices. This variant also provides access to a secure ROM library containing TI's InstaSPIN-FOC technology, a field-oriented motor control solution that significantly simplifies the development of sensorless motor control algorithms by handling much of the underlying control theory and tuning complexity in pre-validated, secure firmware. Beyond its core processing capabilities, the device integrates an extensive set of control-oriented peripherals that are characteristic of the C2000 platform, including high-resolution pulse-width modulation outputs, enhanced capture modules, and a multi-channel sigma-delta filter module that enables isolated current and voltage sensing across an isolation barrier without requiring a separate digital isolator and decoder chip. A dedicated Control Law Accelerator runs in parallel with the main processing core, offloading time-critical control loop calculations so that the main core remains free to handle communication, supervisory logic, and other system-level tasks, which is particularly valuable in systems running multiple simultaneous control loops. Connectivity on the device is supported through a broad set of industry-standard communication interfaces, allowing it to interface with a wide range of external sensors, communication networks, and host systems without requiring additional bridge components. The device also supports TI's Fast Serial Interface, a high-speed, robust communication protocol intended to simplify board-to-board and module-to-module communication in multi-controller systems, an increasingly common need in distributed power and motor control architectures. This part is qualified to automotive electronics reliability standards, making it suitable for deployment in vehicle power electronics, traction inverters, onboard chargers, and other automotive systems where component robustness, extended temperature operation, and rigorous quality screening are required. The device also supports TI's functional safety documentation framework, providing the architectural transparency and failure mode analysis resources needed by system designers building safety-critical control systems around the device. It is housed in a surface-mount package suited to dense power electronics board layouts and is supplied in tape-and-reel packaging for automated assembly. Spec Sheet Identification Part Number: TMS320F280049CPZQR Device Family: C2000 Piccolo, TMS320F28004x Manufacturer: Texas Instruments Variant: "C" type — with Configurable Logic Block and secure ROM/InstaSPIN-FOC access Functional Classification Device Type: 32-bit real-time microcontroller Core Architecture: C28x digital signal processing core Math Acceleration: Floating-Point Unit and Trigonometric Math Unit for control-loop computation Parallel Control Processing: Integrated Control Law Accelerator Programmable Logic: Configurable Logic Block (CLB) for custom digital logic functions Motor Control Library: Secure ROM with InstaSPIN-FOC sensorless field-oriented control Memory Program Memory Type: Embedded flash memory Memory Architecture: Supports field reprogramming for firmware updates and calibration data storage Control & Analog Peripherals PWM Capability: Frequency-independent, high-resolution PWM outputs Capture Module: Enhanced capture (eCAP) peripheral Isolated Sensing: Multi-channel sigma-delta filter module (SDFM) for isolated current/voltage sensing Analog Integration: Integrated high-speed analog-to-digital converters and internal digital-to-analog converters Programmable Gain: Integrated programmable gain amplifiers Communication Interfaces Standard Interfaces: SPI, SCI, I2C, LIN, and CAN connectivity Power Management Bus: Fully compliant PMBus support High-Speed Module Interface: Fast Serial Interface (FSI) for board-to-board and module-to-module communication Target Applications Application Domains: Industrial motor drives, solar inverters, digital power supplies, electric vehicle and transportation systems, sensing and signal processing Environmental & Qualification Automotive Qualification: AEC-Q100 qualified Functional Safety Support: Documentation and architecture support for functional safety-compliant system design Lifecycle Status: Active production Package Package Type: Surface-mount quad flat package style (LQFP) Mounting: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel, per part suffix designation #TMS320F280049 #C2000 #Piccolo #TexasInstruments #DigitalSignalController #RealTimeMCU #MotorControl #DigitalPowerControl #InstaSPINFOC #FieldOrientedControl #ConfigurableLogicBlock #AECQ100 #AutomotiveMCU #PowerElectronics #EmbeddedSystems #LQFP #SurfaceMount #SemiconductorIC #EngineeringSpec #ComponentLibrary #CommonPartsLibrary