TB67S249FTG Stepper Motor Driver Carrier - Full Breakout

TB67S249FTG Stepper Motor Driver Carrier - Full Breakout

CHF12.02

This breakout board makes it easy to use Toshiba’s TB67S249FTG microstepping bipolar stepper motor driver, which features adjustable current limiting and seven microstep resolutions (down to 1/32-step). In addition, it dynamically selects an optimal decay mode by monitoring the actual motor current, and it can automatically reduce the driving current below the full amount when the motor is lightly loaded to minimize power and heat. The TB67S249FTG has a wide operating voltage range of 10 V to 47 V and can deliver approximately 1.7 A per phase continuously without a heat sink or forced air flow (up to 4.5 A peak). It features built-in protection against under-voltage, over-current, and over-temperature conditions; our carrier board also adds reverse-voltage protection (up to 40 V).

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This product is a carrier board or breakout board for Toshiba’s TB67S2x9FTG family of stepper motor drivers; we therefore recommend careful reading of the corresponding driver’s datasheet before using this product. his stepper motor driver lets you control one bipolar stepper motor and is available in two different versions: the TB67S249FTG can deliver about 1.7 A per phase continuously (4.5 A peak), and the TB67S279FTG can deliver about 1.2 A per phase continuously (2 A peak).

Key features:

  • Simple step and direction control interface
  • Seven different step modes: full-step, non-circular half-step, circular half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
  • Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates
  • Advanced Dynamic Mixed Decay (ADMD) dynamically switches between slow and fast decay modes by monitoring the state of current decay (not according to fixed timing)
  • Configurable Active Gain Control (AGC) automatically reduces drive current to minimize power consumption and heat generation when maximum torque is not needed
  • Motor supply voltage: 10 V to 47 V
  • Maximum continuous current per phase without additional cooling: TB67S249FTG: 1.7 A (4.5 A peak)
  • Built-in regulator (no external logic voltage supply needed)
  • Can interface directly with 3.3 V and 5 V systems
  • Under-voltage lockout and protection against over-current/short-circuit and over-temperature
  • Open-load detection
  • Active-low error outputs indicate over-current, over-temperature, or open-load condition
  • Carrier board adds reverse-voltage protection up to 40 V
  • Compact size (1.0″ × 1.4″)
  • Exposed solderable ground pad below the driver IC on the bottom of the PCB

This product ships with all surface-mount components—including the TB67S2x9FTG driver IC—installed as shown in the product picture. However, soldering is required for assembly of the included through-hole parts: two 1×15-pin breakaway 0.1″ male headers and three 2-pin, 3.5 mm terminal blocks (for board power and motor outputs).

Dimensions:

Size: 1.0″ × 1.4″
Weight: 4.3 g

General specifications:

Motor driver: TB67S249FTG
Minimum operating voltage: 10 V
Maximum operating voltage: 47 V
Continuous current per phase: 1.7 A
Maximum current per phase: 4.5 A
Minimum logic voltage: 2 V
Maximum logic voltage: 5.5 V
Microstep resolutions: full, non-circular 1/2, 1/2, 1/4, 1/8, 1/16, 1/32
Current limit control: potentiometer
Reverse voltage protection?: Y
Header pins soldered?: N
PO-2973

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