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TI德州仪器 TMC249A-SA 产品介绍
2026-04-14
0次
说明
- High Current up to 7A RMS using 4 Dual-MOS transistors.
- Voltage Range 7 V to 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 reduced electromagnetic emissions
- Current Control for cool motor and driver
- Standby and Shutdown Mode
- Choice of Package 7x7mm QFN32 package or SO28
特性
The TMC249 is an integrated stepper motor pre-driver solution for laboratory automation, 3D-printing, scanners and other automated equipment applications. The device is capable of driving up to a gate current of 30mA and is powered by ADI Trinamic ChopSync™ and StallGuard™ technology. TMC249 is designed for a supply voltage of 7 to 34V. The device provides an analog and SPI interface:
APPLICATIONS:
- Textile, Sewing Machines
- Office Automation
- Printer and Scanner
- Heliostat Controller
- ATM, Cash recycler
- POS
- CCTV, Security
- Antenna Positioning
- Pumps and Valves
- Lab Automation
- Liquid Handling
- Medical
