Brushed motor pre-driver IC

  • 01-Aug-2014 03:52 EDT
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The TB9052FNG motor pre-driver integrated circuit (IC) from Toshiba America Electronic Components, Inc. (TAEC) was developed for safety-critical automotive applications such as electric power steering and other systems compliant with Automotive Safety Integrity Level D (ASIL D). In addition to the main pre-driver circuit, TB9052FNG features a built-in motor current detection circuit in a redundant configuration, reducing board size and system complexity while contributing to functional safety, claims TAEC. Also contributing to functional safety are the products range of circuits that detect system failures, including battery under-voltage, 5-V under voltage, over temperature, and driver electrical short. Contained in a HTSSOP48-P-300-0.50 package measuring 12.5 x 6.1 x 1.2 mm (0.49 x 0.24 x 0.05 in), the TB9052FNG has four channels, two high-side and two low-side, and includes a charge pump to solely drive N-channel MOSFETs. 

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