特性
- Voltage Range 2V (1.8V) to 11V DC
- Battery Operation 1-2 Li-Ion cells, or min. 2 AA / NiMh cells
- 2-phase Stepper Motors up to 1.2A RMS, 2A peak
- Standby <50nA typ. current draw
- STEP/DIR Interface up to 256 microsteps for stepper motor
- Smooth Running 256 microsteps by MicroPlyer™ interpolation
- StealthChop2™ silent motor operation
- Low RDSon LS 170mΩ & HS 170mΩ (typ.)
- Low RDSon LS 170mΩ & HS 170mΩ (typ.)
- No Sense Resistors Option using feed-forward regulation
- Automatic Standby current reduction
- Stall Detection StallGuard4 in StealthChop mode
- CoolStep load dependent energy saving up to 90%
- Single Wire UART for advanced configuration options
- Integrated Pulse Generator for standalone motion
- Full Protection & Diagnostics
- Tiny of QFN 3*3 with 20 pins
产品详情和应用
The TMC2300 low voltage stepper motor driver is intended for battery-operated, space and standby-power critical driver applications. Its silent drive technology StealthChop™ enables non-bugging motion control for portable, home and office applications. A highly efficient power stage, boosted by an internal charge pump for best in-class RDSon resistance, provides high motor current from a tiny package even at low supply voltages. With this, dual AA batteries can be drained down to typically 2.0V (voltage must not drop below 1.8V, provide sufficient supply buffer capacitors).
APPLICATIONS
- IOT & Handheld devices
- Battery operated equipment
- Printers, POS
- Miniature 3D Printers
- Toys
- Office and home automation
- CCTV, Security
- HVAC
- Mobile medical devices



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