4.5A H-Bridge DC Motor Driver Module Using TB6549HQ

  • Rajkumar Sharma
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The H-Bridge Motor Driver Module Based on TB6549HQ IC from Toshiba, is a full-bridge driver IC for DC motors that uses an LDMOS structure for output transistors. High-efficiency drive is possible through the use of a MOS process with low ON-resistance and a PWM drive system. Four modes, CW, CCW, short brake, and stop, can be selected using IN1 and IN2. Supply input 12V to 30V DC and Maximum Load 4.5Amps.

Specifications

  • Power supply voltage: 30 V (max)
  • Output current 4.5 A
  • Low ON-resistance: 1.0 Ω (up + low/typ.)
  • PWM control capability
  • Standby system
  • Function modes: CW/CCW/short brake/stop
  • Built-in overcurrent protection
  • Built-in thermal shutdown circuit

Schematic

Parts List

Input and Output

 

PCB

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