{"product_id":"mc33887pfk-5a-h-bridge-dc-motor-driver-ic-load-current-feedback-for-automotive-ecu-actuators","title":"MC33887PFK 5A H-Bridge DC Motor Driver IC – Load Current Feedback for Automotive ECU Actuators","description":"\u003cp\u003eThe MC33887PFK is a monolithic H-Bridge power integrated circuit specifically designed for closed-loop DC motor control in demanding automotive environments. This fully integrated driver combines control logic, charge pump, gate drive, and low on-resistance MOSFET output circuitry into a single compact package, making it an ideal replacement for failed driver stages in throttle control modules, electronic valve actuators, and other motor control units within Engine Control Units (ECUs).\u003c\/p\u003e\n\u003cp\u003ePower Stage \u0026amp; Current Capability:\u003cbr\u003eThe device is capable of delivering continuous DC load currents up to 5.0 A, with peak current active limiting between 5.2 A and 7.8 A to protect the motor and driver during stall or overload conditions. It operates across a wide supply voltage range from 5.0 V to 28 V, with limited operation up to 40 V, covering both 12 V and 24 V automotive electrical systems. The H-Bridge MOSFETs feature a low typical on-resistance of 120 mΩ, ensuring high efficiency and minimal power dissipation during extended operation .\u003c\/p\u003e\n\u003cp\u003eLoad Current Feedback \u0026amp; Control:\u003cbr\u003eA key feature of this driver is its load current feedback capability, which provides a proportional constant-current output (1\/375th of the load current) suitable for monitoring by a microcontroller's A\/D input. This facilitates the design of closed-loop torque and speed control, as well as open-load detection. The device supports Pulse Width Modulation (PWM) operation at frequencies up to 10 kHz, enabling precise motor speed and position control strategies .\u003c\/p\u003e\n\u003cp\u003eProtection \u0026amp; Diagnostic Features:\u003cbr\u003eThe MC33887PFK includes comprehensive protection mechanisms to ensure system reliability in harsh automotive conditions. A Fault Status output pin reports undervoltage, short circuit, and overtemperature conditions to the main microcontroller. Two independent inputs provide polarity control of the two half-bridge totem-pole outputs, while two disable inputs can force the H-Bridge outputs to a high-impedance tri-state. The device also features a low-power Sleep Mode with a current draw of less than 50 μA, preserving battery life when the engine is off .\u003c\/p\u003e\n\u003cp\u003ePackage \u0026amp; Environmental Durability:\u003cbr\u003eThis driver IC is housed in a compact 36-PowerQFN (9x9 mm) surface-mount package, suitable for space-constrained ECU designs. It is AEC-Q100 qualified and operates reliably across an automotive temperature range of -40°C to +125°C (junction temperature up to 150°C), ensuring stable performance in engine compartment environments .\u003c\/p\u003e\n\u003cp\u003eRepair \u0026amp; Replacement Value:\u003cbr\u003eFor ECU repair technicians and automotive workshops, the MC33887PFK offers a direct drop-in replacement for failed H-Bridge motor driver stages. Replacing this component can restore throttle, valve, or other motor control functionality without the need for an expensive full ECU replacement, providing a cost-effective repair solution.\u003c\/p\u003e","brand":"Qlnova","offers":[{"title":"Default Title","offer_id":45422272708717,"sku":null,"price":5.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5950\/8845\/files\/MC33887PFK-3.webp?v=1783048703","url":"https:\/\/qlnova.com\/products\/mc33887pfk-5a-h-bridge-dc-motor-driver-ic-load-current-feedback-for-automotive-ecu-actuators","provider":"Qlnova","version":"1.0","type":"link"}