{"product_id":"tb9081fg-3-phase-bldc-motor-pre-driver-ic-asil-d-compliant-power-steering-eps-driver-chip","title":"TB9081FG 3-Phase BLDC Motor Pre-Driver IC – ASIL-D Compliant Power Steering \u0026 EPS Driver Chip","description":"\u003cp\u003eThe TB9081FG is a sophisticated three-phase brushless DC motor pre-driver IC developed specifically for demanding automotive applications.\u003cbr\u003eIt is engineered to drive high-current loads in electric power steering systems, offering a robust foundation for safety-critical chassis control modules.\u003cbr\u003eThe device integrates a 3-phase pre-driver circuit with high-side and low-side charge pumps, enabling efficient control of external power MOSFETs.\u003cbr\u003eA built-in fail-safe relay pre-driver with five channels provides independent control for motor-side and power-supply-side isolation.\u003cbr\u003eThe high-speed motor current sense circuit delivers precise feedback to the MCU for accurate torque and speed regulation.\u003cbr\u003eComprehensive protection features include VB and VCC over\/under voltage detection, over-temperature shutdown, and external FET short-circuit detection.\u003cbr\u003eAn integrated ABIST\/LBIST diagnostic capability detects latent faults in the protection circuits, ensuring functional safety compliance.\u003cbr\u003eThe device supports flexible fault response configuration via SPI communication, allowing system designers to tailor behavior to specific applications.\u003cbr\u003eWith an operating voltage range of 4.5V to 18V and 40V peak load dump survivability, it withstands harsh automotive electrical transients.\u003cbr\u003eThe wide temperature range of -40°C to 125°C guarantees reliable performance under extreme under-hood conditions.\u003cbr\u003eQualified to AEC-Q100 and developed according to ISO 26262 ASIL-D standards, this IC meets the highest automotive safety integrity level.\u003cbr\u003eThe SPI interface with CRC error checking ensures reliable communication with the host microcontroller.\u003cbr\u003ePackaged in a compact 64-pin LQFP, this pre-driver IC minimizes PCB footprint while delivering 11 pre-driver channels.\u003cbr\u003eEngineers designing advanced EPS, brake-by-wire, or other safety-critical motor control systems will find this IC an essential solution.\u003c\/p\u003e","brand":"Qlnova","offers":[{"title":"Default Title","offer_id":45456316334189,"sku":null,"price":25.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5950\/8845\/files\/TB9081FG-1.webp?v=1784014480","url":"https:\/\/qlnova.com\/products\/tb9081fg-3-phase-bldc-motor-pre-driver-ic-asil-d-compliant-power-steering-eps-driver-chip","provider":"Qlnova","version":"1.0","type":"link"}