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TMC249A - SPI or Classic Analog Interface Stepper

General Description

The TMC249 driver for two-phase stepper motors offers a competitive feature set, including 64x micro-stepping, sensorless mechanical load measurement with stall detection, and smart current control.

Standard SPI™ and communication via external analog / digital signals are available.

Key Features

  • 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 measurement Mixed Decay for smooth motor operation Slope Control for red.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.