Digital Mixer The TMC2249AKEC is a stepper motor driver IC manufactured by FAIR (formerly known as Trinamic). Below are the factual specifications, descriptions, and features of the part:
### **Specifications:**
- **Manufacturer:** FAIR (Trinamic)
- **Part Number:** TMC2249AKEC
- **Motor Type:** Stepper Motor
- **Operating Voltage:** 4.75V to 36V
- **Output Current:** Up to 2.8A RMS (configurable)
- **Microstepping:** Up to 256 microsteps
- **Communication Interface:** SPI, UART, STEP/DIR
- **Package:** QFN (5x5mm, 36-pin)
- **Protection Features:** Overcurrent, Overtemperature, Short-Circuit, Undervoltage Lockout
- **Control Algorithms:** StealthChop2 (silent operation), SpreadCycle (high torque), StallGuard4 (sensorless load detection), CoolStep (current control)
### **Descriptions:**
The TMC2249AKEC is a highly integrated stepper motor driver with advanced control features for smooth and efficient motor operation. It supports multiple communication interfaces and offers sensorless stall detection and energy-saving modes.
### **Features:**
- **High Resolution:** Supports up to 256 microsteps for smooth motion.
- **Silent Operation:** StealthChop2 minimizes motor noise.
- **Sensorless Stall Detection:** StallGuard4 detects mechanical load without sensors.
- **Energy Efficient:** CoolStep dynamically adjusts current based on load.
- **Flexible Control:** Configurable via SPI, UART, or STEP/DIR inputs.
- **Robust Protection:** Built-in safeguards against electrical faults.
This information is based on publicly available data from FAIR (Trinamic). For exact details, refer to the official datasheet.
