Details

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BUY TMC262-LA https://www.utsource.net/itm/p/7614652.html
Bipolar Motor Driver Power MOSFET SPI, Step/Direction 32-QFN (5x5)

Parameter	Description	Value
Supply Voltage (VDD)	Operating supply voltage range	4.75 V to 36 V
Logic Supply Voltage (VIO)	Logic supply voltage range	1.8 V to 5.5 V
Operating Temperature	Range for normal operation	-40°C to +125°C
Microstep Resolution	Maximum microstep resolution	256 microsteps per full step
Output Current (IOUT)	Peak output current per bridge	1.2 A to 2.5 A (adjustable)
Protection Features	Integrated protection mechanisms	Over-temperature, over-current, short-circuit, undervoltage lockout
Interface	Communication interface options	SPI, UART, Step/Direction
Package Type	Physical package type	QFN-32 (5x5 mm)
Standstill Current Reduction	Current reduction during standstill	Programmable, up to 99% reduction
StealthChop2?	Advanced chopper mode	Reduces audible noise and increases motor smoothness
SpreadCycle?	Chopper mode for high torque and efficiency	Optimized for performance and reliability

Instructions for Using TMC262-LA

1. Power Supply Connection:

   • Connect the VDD pin to the main power supply (4.75 V to 36 V).
   • Connect the VIO pin to the logic supply (1.8 V to 5.5 V).

2. Ground Connection:

   • Ensure all ground connections (GND) are properly connected to the system ground.

3. Motor Connection:

   • Connect the motor phases to the appropriate output pins (A1, A2, B1, B2).

4. Interface Configuration:

   • Choose the communication interface (SPI, UART, or Step/Direction) based on your application.
   • For SPI/UART, configure the necessary pins (MOSI, MISO, SCK, CS) according to the datasheet.
   • For Step/Direction, connect the STEP and DIR pins to your control signals.

5. Current Setting:

   • Adjust the current limit by setting the VREF pin with an external resistor or using the internal DAC (if available).

6. Microstep Resolution:

   • Set the desired microstep resolution via the MS0, MS1, and MS2 pins or through the communication interface.

7. Standstill Current Reduction:

   • Enable and set the standstill current reduction percentage via the communication interface or configuration registers.

8. Protection Features:

   • Monitor the status flags (e.g., over-temperature, over-current) to ensure the device is operating within safe limits.

9. Advanced Features:

   • Enable StealthChop2? or SpreadCycle? modes through the communication interface to optimize performance.

10. Firmware Updates:

    • If applicable, use the provided software tools to update the firmware for the latest features and improvements.

For detailed information, refer to the TMC262-LA datasheet and application notes.

(For reference only)