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说明
- Two 2-phase stepper motors
- Drive Capability up to 2x 1.1A coil current (2x 1.5A peak)
- Parallel Option for one motor at 2.2A (3A peak)
- Motion Controller with SixPoint™ ramp
- Voltage Range 4.75 to 26V DC
- SPI & Single Wire UART with special bus ring option
- Dual Encoder Interface and 2x Ref.-Switch input per axis
- Highest Resolution up to 256 microsteps per full step
- StealthChop™ for extremely quiet operation and smooth motion
- SpreadCycle™ highly dynamic motor control chopper
- DCStep™ load dependent speed control
- StallGuard2™ high precision sensorless motor load detection
- CoolStep™ current control for energy savings up to 75%
- Passive Braking and freewheeling mode
- Full Protection & Diagnostics
- Compact Size 7x7mm2 QFN48 package
特性
The TMC5072 cDriver™ is an integrated motor driver and motion controller solution for CCTV cameras, pumps and other automated equipment applications. The device has two integrated SixPoint™ ramp controllers, microstepping indexers, the sensorless stall detection technology StallGuard2™ and the completely noiseless current control mode StealthChop™ and is intended to drive two bipolar stepper motor. The output driver blocks consists of low RDSon N-Channel power MOSFETs configured as full H-bridges to drive the motor windings. The TMC5072 is capable of driving up to 1.5A of current from each output (with proper heatsinking). TMC5072 is designed for a supply voltage of 5 to 28V. For high reliability requirements an Encoder interface provides feedback over the system status. The device provides a SPI interface for configuration and diagnostics and a step and direction interface.
APPLICATIONS:
- CCTV, Security
- Office Automation
- Antenna Positioning
- Heliostat Controller
- Battery powered applications
- ATM, Cash recycler, POS
- Lab Automation
- Liquid Handling
- Medical
- Printer and Scanner
- Pumps and Valves
