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Toshiba TC78H653FTG Dual Bridge Driver IC

Toshiba TC78H653FTG Dual Bridge Driver IC is designed for DC motors/stepping motors that incorporate DMOS with low ON resistance in output transistors. Forward, reverse, stop, or brake modes can be selected. Overcurrent detection, thermal shutdown, and under-voltage lockout functions are implemented. This bridge driver features a power supply voltage operating range of 1.8V to 7.0V with peak output current ratings of 2.0A (maximum) in minor mode and 4.0A (maximum) in large mode.

Features

  • 8.0V maximum power supply voltage
  • 1.8V to 7.0V operating power supply voltage range
  • Output current ratings (DC)
    • 4.0A maximum in Large mode
    • 2.0A maximum in Small mode
  • Output current ratings (peak)
    • 5.0A maximum at 10ms or less in Large mode
    • 2.5A maximum at 10ms or less in Small mode
  • Output ON resistance
    • 0.11Ω typical (Ta = 25°C, sum of upper and lower side, VM = 5.0V, Large mode)
    • 0.22Ω typical (Ta = 25°C, sum of upper and lower side, VM = 5.0V, Small mode)
  • Built-in standby function with 0μA typical consumption current
  • Built-in cross-conduction protection circuit
  • Built-in over-current detection (ISD), thermal shutdown (TSD), and under-voltage lockout (UVLO)
  • Forward / Reverse / Stop / Brake modes are selectable
  • P-VQFN16-0303-0.50-001 (3.0mm x 3.0mm) package

Applications

  • DC motor drivers
  • Stepping motor drivers

Block Diagram

Block Diagram - Toshiba TC78H653FTG Dual Bridge Driver IC

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Published: 2018-11-09 | Updated: 2025-12-05