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The TB6549FG is a full-bridge driver IC for DC motors utilizing an LDMOS structure for output transistors. It supports a power supply voltage range of 10 V to 30 V and delivers a maximum output current of 4.5 A. The device operates within a temperature range of -20 °C to 85 °C and features a ZIP-25 package. Control modes including clockwise, counter-clockwise, short brake, and stop are selectable via IN1 and IN2 inputs.
Verify the specific suffix configuration against official Toshiba documentation to ensure correct pinout and thermal characteristics. Confirm that the ZIP-25 flange mount package aligns with your PCB layout and heatsinking requirements. Cross-reference the part number with authorized distributors to avoid counterfeit components and ensure RoHS compliance status matches project specifications.
Select this component when a robust full-bridge solution with high current capacity is required for brushed DC motors. The LDMOS technology offers reliability under high load conditions compared to standard bipolar drivers. Ensure adequate thermal management due to the power dissipation inherent in the ZIP-25 package. Consider the 30 V maximum supply limit when designing power stages.
The TB6549FG belongs to Toshiba's series of Bi-CMOS integrated circuits designed for motor driving applications. It complements other models like the TB6549PG and TB6549HQ, which share similar functional architectures but differ in packaging and thermal performance. This family targets applications needing efficient, high-current motor control with simplified interface requirements.