{"product_id":"l9741-automotive-engine-ecu-power-supply-ic-triple-regulator-can-k-line-transceiver","title":"L9741 Automotive Engine ECU Power Supply IC - Triple Regulator, CAN\/K-Line Transceiver","description":"\u003cp\u003eL9741 is a highly integrated power management and communication IC purpose-built for automotive engine control units (ECUs).\u003c\/p\u003e\n\u003cp\u003eThis device integrates three independent +5V voltage regulators to supply the microcontroller, onboard sensors, and peripheral circuits. The main VDD output delivers over 400mA with 2% accuracy and short-circuit protection, while two additional auxiliary regulators provide up to 100mA each for sensor power.\u003c\/p\u003e\n\u003cp\u003eThe chip eliminates the need for multiple discrete components by combining power management, reset handling, and communication functions into a single package. It integrates a high-speed CAN transceiver and a K-Line driver for diagnostic communication, supporting both modern vehicle networks and legacy protocols.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for harsh under-hood environments, the device operates across a wide temperature range and includes comprehensive protection features such as over-temperature shutdown, under-voltage detection, and short-circuit protection.\u003c\/p\u003e\n\u003cp\u003eFrequency signal processing for crankshaft position sensors is also handled internally, simplifying ECU design and reducing overall system cost.\u003c\/p\u003e\n\u003cp\u003eThis AEC-Q100 qualified IC is a proven solution for engine management systems in cars, trucks, and motorcycles, contributing to improved performance, fuel efficiency, and emissions compliance.\u003c\/p\u003e","brand":"Qlnova","offers":[{"title":"Default Title","offer_id":45366224257133,"sku":null,"price":3.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5950\/8845\/files\/L9741-3.webp?v=1782183727","url":"https:\/\/qlnova.com\/products\/l9741-automotive-engine-ecu-power-supply-ic-triple-regulator-can-k-line-transceiver","provider":"Qlnova","version":"1.0","type":"link"}