{"product_id":"40090-automotive-4-phase-synchronous-buck-controller-ic-4-5v-15v-up-to-1mhz-phase","title":"40090 Automotive 4-Phase Synchronous Buck Controller IC - 4.5V-15V, Up to 1MHz\/Phase","description":"\u003cp\u003e40090 is a versatile two-, three-, or four-phase programmable synchronous buck controller.\u003c\/p\u003e\n\u003cp\u003eThis IC is specifically designed for low-voltage, high-current applications in automotive electronic systems.\u003cbr\u003eIt operates from a 4.5V to 15V supply and supports switching frequencies up to 1MHz per phase.\u003c\/p\u003e\n\u003cp\u003eThe multiphase topology significantly reduces input and output capacitor ripple current.\u003cbr\u003eIt also delivers faster transient response to load steps compared to single-stage designs.\u003cbr\u003eThe controller uses fixed-frequency, peak current mode control with forced phase current balancing.\u003c\/p\u003e\n\u003cp\u003eYou can configure the device for two-, three-, or four-phase operation by connecting the unused phase PWM outputs to the internal 5V LDO.\u003cbr\u003eFor current sensing, it supports either using resistors or, for higher efficiency, the DCR of the filter inductors.\u003c\/p\u003e\n\u003cp\u003eAdditional features include a true remote sense differential amplifier and a programmable load line.\u003cbr\u003eA programmable current limit, soft-start, and a power good indicator are also integrated.\u003c\/p\u003e\n\u003cp\u003eThe automotive-qualified version supports a junction temperature range of -40°C to 125°C.\u003cbr\u003eThis robust IC is ideal for powering ECUs, infotainment systems, and other high-current loads in vehicles.\u003c\/p\u003e","brand":"Qlnova","offers":[{"title":"Default Title","offer_id":45366229467245,"sku":null,"price":13.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5950\/8845\/files\/40090-2.webp?v=1782183875","url":"https:\/\/qlnova.com\/products\/40090-automotive-4-phase-synchronous-buck-controller-ic-4-5v-15v-up-to-1mhz-phase","provider":"Qlnova","version":"1.0","type":"link"}