Datasheet Summary
POWER DRIVER FOR STEPPER MOTORS
INTEGRATED CIRCUITS
TMC249A DATASHEET
SPI or Classic Analog Interface Stepper Driver for Two-Phase Bipolar Motors with StallGuard™. External MOSFETs fit different motor sizes. Full set of protection & diagnostics.
Features
AND BENEFITS
High Current up to 7A RMS using 4 Dual-MOS transistors. Voltage Range 7 V… 36 V DC 3.3 V or 5 V DC for digital part SPI & External Analogue / Digital Signals Microstep Resolution up to 64 microsteps per full step Low Power Dissipation via low RDS-ON power stage Protection: overvoltage, overtemperature & short circuit Diagnostics: overcurrent, open load, 2 level overtemperature StallGuard™ sensorless stall detection and load...
