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TB6642FTG Datasheet Full-Bridge DC Motor Driver IC

Manufacturer: Toshiba

Download the TB6642FTG datasheet PDF. This datasheet also includes the TB6642FG variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (TB6642FG-Toshiba.pdf) that lists specifications for multiple related part numbers.

General Description

1 ALERT Error detection output pin 2 OSC Capacitor pin for controlling release of ISD,TSD 3 IN1 Control signal input pin 1 4 SGND Small signal ground pin 5 IN2 Control signal input pin 2 6 N.C.

No-connect 7 OUT1 Output pin 1 8 RSGND Power ground pin/ Detection resistor pin for PWM constant-current control 9 N.C.

No-connect 10 OUT2 Output pin 2 11 N.C.

Overview

TB6642FG/FTG TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB6642FG/FTG Full-Bridge DC Motor Driver IC The TB6642FG/FTG is a full-bridge DC motor driver with MOS output transistors.

The low ON-resistance MOS process and PWM control enables driving DC motors with high thermal efficiency.

Four operating modes are selectable via IN1 and IN2: clockwise (CW), counterclockwise (CCW), Short Brake and Stop.

Key Features

  • Power supply voltage : 50 V (max).
  • Output current : 4.5 A (max).
  • Direct PWM control.
  • CW/CCW/Short Brake/Stop modes.
  • Overcurrent shutdown circuit (ISD).
  • Overcurrent detection threshold control.
  • Overcurrent detection time control.
  • Overvoltage shutdown circuit (VSD).
  • Thermal shutdown circuit (TSD).
  • Undervoltage lockout circuit (UVLO).
  • Dead time for preventing shoot-through current.

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