Pololu TB67S249FTG Stepper Motor Driver Carrier 10V-47V

Artikelnummer: PO2973

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).

Kategorie: Tic Schrittmotor Controllers


11,95 €

inkl. 19% USt.,

momentan nicht verfügbar


Beschreibung

Overview

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. This stepper motor driver lets you control one bipolar stepper motor and is available in two different versions: the TB67S249FTGcan deliver about 1.7 A per phase continuously (4.5 A peak), and the TB67S279FTGcan deliver about 1.2 A per phase continuously (2 A peak). (See the Power Dissipation Considerations section below for more information.)

The two versions of this stepper driver carrier look very similar, so you should consider adding your own distinguishing marks or labels if you will be working simultaneously with multiple versions. A white box is provided on the bottom silkscreen of the board to make labeling easier. This product page applies to both versions of the TB67S2x9FTG carrier.

Here are some of the board?s 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)
    • TB67S279FTG: 1.2 A (2 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

Dimensions

Size: 1.0" × 1.4"
Weight: 4.3 g1

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 V2
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?: Y3
Header pins soldered?: N

Identifying markings

PCB dev codes: md34b
Other PCB markings: 0J11196, blank white box

Notes:

1 Without included hardware.
2 This is the input logic high threshold.
3 Note: Reverse voltage protection only works up to 40 V.

Power connections

The driver requires a motor supply voltage of 10 V to 47 V to be connected across VMOT and GND. This supply should be capable of delivering the expected stepper motor current.

A 5 V output from the TB67S2x9FTG?s internal regulator is made available on the VCC pin. This output can supply up to 5 mA to external loads.

Motor connections

Four, six, and eight-wire stepper motors can be driven by the TB67S2x9FTG if they are properly connected; a FAQ answerexplains the proper wirings in detail.

Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver. (More generally, rewiring anything while it is powered is asking for trouble.)

Package List

1x Pololu TB67S249FTG Stepper Motor Driver Carrier

2x 1×15-pin breakaway 0.1? male headers

3x 2-pin, 3.5 mm terminal blocks (for board power and motor outputs)

Dokumente

Bedienungsanleitung

TB67S249FTG datasheet

TB67S279FTG datasheet

Schematic diagram

Dimension diagram

TB67S279FTG and TB67S249FTG application note

Drill guide

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