The TB67H450FNG H-bridge driver is suitable for new DC brushed motor designs or as a plug-in replacement to improve and upgrade existing applications in addition to offering more product sourcing options. The device, which is fabricated using Toshiba’s BiCD process, can drive brushed motors with voltages from 4.5V to 44V. Standby current consumption is as low as 1µA. Capable of driving DC brushed motors in a total of four constant-current modes (forward, reverse, brake and stop), the TB67H450FNG can deliver up to 50V/3.5A via a low on-resistance (0.6W) built-in MOSFET. The highly integrated motor driver IC includes a single H-bridge channel and incorporates several error detection features such as thermal shutdown (TSD), over current detection (ISD) and undervoltage lockout (UVLO). A built-in voltage regulator supports internal circuit operation.
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