{"product_id":"l9709-af-automotive-injector-driver-ic","title":"L9709-AF Automotive Injector Driver IC – Six-Channel Solenoid Control for ECU","description":"\u003cp\u003eL9709-AF is a six-channel solenoid driver IC designed for automotive engine control units (ECUs).\u003c\/p\u003e\n\u003cp\u003eIt is specifically engineered to drive fuel injectors, idle air control valves, and other inductive loads in engine management systems.\u003c\/p\u003e\n\u003cp\u003eEach channel can deliver up to 1.2A of peak current with integrated flyback clamping diodes for inductive kickback suppression.\u003c\/p\u003e\n\u003cp\u003eThe device operates from a wide supply range of 4.5V to 36V, making it suitable for 12V and 24V vehicle electrical systems.\u003c\/p\u003e\n\u003cp\u003eAll six outputs are low-side drivers with overcurrent protection and thermal shutdown for enhanced system reliability.\u003c\/p\u003e\n\u003cp\u003eThe L9709-AF features a serial peripheral interface (SPI) for diagnostics, including open-load detection and short-circuit reporting.\u003c\/p\u003e\n\u003cp\u003eFast switching speed ensures precise injection timing, which is critical for fuel efficiency and emission compliance.\u003c\/p\u003e\n\u003cp\u003eThis chip is commonly found in gasoline direct injection (GDI) and diesel common rail ECUs requiring multiple injector channels.\u003c\/p\u003e\n\u003cp\u003eWhen original injector drivers fail, replacing the L9709-AF can restore full injector function without replacing the entire ECU.\u003c\/p\u003e\n\u003cp\u003eIt accepts logic inputs from 3.3V or 5V microcontrollers and is available in a PowerSO-36 package for good thermal dissipation.\u003c\/p\u003e\n\u003cp\u003eTypical applications include aftermarket ECU rebuilding, transmission control units, and general automotive inductive load driving.\u003c\/p\u003e","brand":"Qlnova","offers":[{"title":"Default Title","offer_id":45271284678765,"sku":null,"price":6.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5950\/8845\/files\/2L9709-AF.webp?v=1780455242","url":"https:\/\/qlnova.com\/products\/l9709-af-automotive-injector-driver-ic","provider":"Qlnova","version":"1.0","type":"link"}