{"product_id":"uja11325v-automotive-sbc-with-buck-boost-converter-can-lin-for-ecu-power-and-communication","title":"UJA11325V – Automotive SBC with Buck-Boost Converter, CAN \u0026 LIN for ECU Power and Communication","description":"\u003cp\u003eThe UJA11325V is a highly integrated System Basis Chip designed specifically for automotive electronic control units requiring robust power management and reliable bus communication.\u003c\/p\u003e\n\u003cp\u003eThis device combines a fully integrated buck-boost switched mode power supply with a high-speed CAN transceiver and LIN transceivers in a single package.\u003c\/p\u003e\n\u003cp\u003eThe automatic buck-boost converter operates with a single external coil, maintaining stable output voltage during battery voltage dips to prevent microcontroller reset or data loss.\u003c\/p\u003e\n\u003cp\u003eThe integrated CAN transceiver supports CAN FD communication at data rates up to 5 Mbit\/s, ensuring compatibility with modern in-vehicle networks.\u003c\/p\u003e\n\u003cp\u003eUp to two LIN transceivers are included, compliant with LIN 2.x, ISO 17987-4, and SAE J2602 standards for body electronics applications.\u003c\/p\u003e\n\u003cp\u003eA built-in watchdog timer with Window and Timeout modes provides system monitoring to ensure fail-safe operation in critical automotive applications.\u003c\/p\u003e\n\u003cp\u003eThe advanced limp-home functionality is configurable via non-volatile memory, allowing the ECU to maintain essential functions even during microcontroller failure.\u003c\/p\u003e\n\u003cp\u003eMultiple high-voltage I\/O pins can be configured as high-side drivers, low-side drivers, or wake-up inputs for flexible system design.\u003c\/p\u003e\n\u003cp\u003eTwo battery monitoring channels with an integrated 10-bit ADC provide continuous voltage measurement and undervoltage\/overvoltage detection.\u003c\/p\u003e\n\u003cp\u003eVery low quiescent current in Sleep and Standby modes minimizes battery drain when the ignition is off, preserving vehicle battery life.\u003c\/p\u003e\n\u003cp\u003eThe device includes robust protection features: ±6 kV ESD protection on bus pins, ±40 V short-circuit proof CAN\/LIN pins, and ISO 7637-3 transient protection.\u003c\/p\u003e\n\u003cp\u003eAn on-chip oscillator eliminates the need for external crystal components, reducing board space and BOM cost.\u003c\/p\u003e\n\u003cp\u003eSPI interface provides full configuration control and real-time diagnostic feedback for system monitoring and fault detection.\u003c\/p\u003e\n\u003cp\u003eThe compact HTQFP48 package with low thermal resistance is suitable for space-constrained ECU designs operating in harsh under-hood environments.\u003c\/p\u003e\n\u003cp\u003eThis SBC serves as a common replacement part for engine control modules, transmission control units, and body control modules.\u003c\/p\u003e\n\u003cp\u003eTypical applications include engine management systems, transmission controllers, battery management systems, and advanced driver-assistance systems.\u003c\/p\u003e\n\u003cp\u003eBy integrating power management, bus transceivers, and safety features into a single chip, the UJA11325V simplifies PCB design and improves system reliability.\u003c\/p\u003e","brand":"Qlnova","offers":[{"title":"Default Title","offer_id":45366267543661,"sku":null,"price":4.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5950\/8845\/files\/UJA11325V-1.webp?v=1782184707","url":"https:\/\/qlnova.com\/products\/uja11325v-automotive-sbc-with-buck-boost-converter-can-lin-for-ecu-power-and-communication","provider":"Qlnova","version":"1.0","type":"link"}