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The TB6549HQ is a full-bridge driver IC for DC motors utilizing an LDMOS structure. It operates within a power supply voltage range of 10 V to 27 V, with a maximum rating of 30 V. The device supports a maximum output current of 4.5 A and functions across a temperature range of -20 °C to 85 °C. Packaged in a 25-pin HZIP flange mount format, it enables high-efficiency drive through low ON-resistance MOS processes and PWM systems.
Verify the specific suffix (e.g., HQ) against official Toshiba documentation to confirm pinout and thermal characteristics. Ensure the operating environment remains within the specified -20 °C to 85 °C range. Confirm that the 25-pin HZIP package aligns with the target PCB layout and heat dissipation requirements before procurement.
Select this component when a robust full-bridge driver for DC motors is required. The LDMOS structure offers high efficiency and reliability. Consider the 25-pin flange mount package for effective thermal management in high-current applications up to 4.5 A. Verify compatibility with the system's PWM frequency and control logic levels.
Part of the TB6549FG/PG/HQ series from Toshiba Semiconductor and Storage. These Bi-CMOS integrated circuits are designed as silicon monolithic full-bridge drivers. The series provides options for different packaging and thermal performance while maintaining consistent core functionality for DC motor driving applications.
Official substitutes include the TB6549FG and TB6549PG variants within the same series. Verify package compatibility and thermal specifications when substituting, as these may differ between FG, PG, and HQ versions.