2999-POLOLU TB67H420FTG Dual/Single Motor Driver Carrier

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US$13.93
2999-POLOLU
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TB67H420FTG Dual/Single Motor Driver Carrier

This breakout board makes it easy to use Toshiba’s TB67H420FTG brushed DC motor driver, which can operate in either dual-channel mode for independent bidirectional control of two motors or single-channel mode for driving one motor with increased current. It has a wide operating voltage range of 10 V to 47 V and can deliver a continuous 1.7 A to each motor channel, or 3.4 A in single-channel mode. A configurable current chopping threshold allows the TB67H420 to actively limit the motor current, and 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).

Overview

The TB67H420FTG from Toshiba is an H-bridge motor driver IC that can be used for bidirectional control of one or two brushed DC motors at 10 V to 47 V. It can supply up to about 1.7 A continuously to each of two separate motors or about 3.4 A to a single motor, and it can tolerate peak currents up to 4.5 A per channel (dual) or 9 A (single) for a few seconds, making it a good choice for small- to medium-sized motors that run at higher voltages. The TB67H420FTG is a great IC, but its small surface-mount package makes it difficult for the typical student or hobbyist to use; our breakout board makes it easy to use with standard solderless breadboards and 0.1″ perfboards. Since this board is a carrier for the TB67H420FTG, we recommend careful reading of the TB67H420FTG datasheet (460k pdf). The board ships populated with SMD components, including the TB67H420FTG and a reverse battery protection circuit.

Features

  • Single- or dual-channel H-bridge motor driver (can drive one or two DC motors)
  • Motor supply voltage: 10 V to 47 V
  • Output current:
    • up to 1.7 A continuous (4.5 A peak) per motor in dual-channel mode
    • up to 3.4 A continuous (9 A peak) in single-channel mode
  • Configurable current chopping actively limits motor current to 4.5 A per channel (dual) or 9 A (single) by default; can be lowered with external resistors or voltage sources
  • No separate logic supply needed; inputs are 3V- and 5V-compatible
  • Flexible input interface provides several options for control
  • Under-voltage lockout and protection against over-current/short-circuit and over-temperature
  • Open-load detection
  • Carrier board adds reverse-voltage protection up to 40 V
  • Active-low error outputs indicate over-current, over-temperature, or open-load condition
  • Compact size (1.0″ × 1.2″)
  • Exposed solderable ground pad below the driver IC on the bottom of the PCB

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