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TB67S249FTG Stepper Motor Driver Carrier 47V/4,5A - Pololu 2973
Stepper motor driver based on TB67S249FTG chip. Powered by a voltage range of 10 - 47 V, with a maximum current consumption of 4.5 A per coil. Maximum resolution: 1 / 32 steps. Thanks to the TB67S249FTG driver, the chip can dissipate more heat, which allows 1,7 A current flow without a heatsink.
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Product description: TB67S249FTG - 47 V / 4,5 A stepper motor driver - Pololu 2973
The chip enables steppermotor controlwith a device capable of generatinglogic statese.g.Arduino,STM32Discovoery,Raspberry Pior anymicrocontroller. Pololu module is characterized by verysimple operation. Rising edge of each pulse on CLK (STEP) pinout corresponds to one step. The direction is selected by giving an appropriate state to the CW/CCW (DIR) pin (e.g. low state - clockwise rotation, high state - anticlockwise rotation). The controller can also select theresolution ofmotor operation.
Controller connection
To control a bipolar stepper motor you should connect the system according to the diagram below.
The controller requires a supply voltage from 10 V to 47 V, which will be connected to VIN and GND terminals.
Minimum wiring diagram to connect the microcontroller to the TB67S2x9FTG.
Power supply for the controller
A voltage of 5 V is required to power the logic part of the module, which should be connected to pin VDD. The motor supply voltage from 10 V to 47 V is applied to the VIN pin.
Caution! Connecting and disconnecting the motor while the controller is on can damage the system. |
Resolution and step size
The step size is selected using DMODE0, DMODE1, DMODE2 inputs. The possible settings are shown in the table below. The MS1, MS2 and MS3 inputs have an internal pull-down resistor (100kΩ).
| MS1 | MS2 | MS3 | Resolution |
|---|---|---|---|
| low | low | low | Standby mode |
| low | low | high | Full step |
| low | high | low | Non-wheeling half step ('a') |
| low | high | high | 1/4 step |
| high | low | low | circular half step ("b") |
| high | low | high | 1/8 step |
| high | high | low | 1/16 step |
| high | high | high | 1/32nd step |
Controlling TB67S249FTG chip
The rising edge of each pulse on the CLK (STEP) pin corresponds to one step. Selection of the direction is performed by giving the appropriate state on the CW/CCW (DIR) pin (e.g. low state - clockwise rotation, high state - anticlockwise rotation). If the motor is to rotate in one direction only, the DIR pin can be left unplugged.
When the RESET pin goes high, the driver resets its state in the translator array, which outputs to the initial value of 45°. This corresponds to 100% of the current limit on both coils in full step and non-wheel half step modes. The RESET pin does not disable the motor outputs, the controller will continue to supply current to the motor but will not give information to the CLK output
The TB67S2x9FTG can detect several error conditions that report causing one or both LO pins to be low. The manufacturer has includeda table of error combinations on the LO1 and LO2 pinsin thedocumentation.
A detailed description of each pin can be found on themanufacturer's website.
Useful links
| Name | Value |
|---|---|
| Width | 8 cm |
| Height | 0.8 cm |
| Depth | 10 cm |
| Weight | 0.01 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
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If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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