TPS653860-Q1

The TPS653860-Q1 is a highly integrated power management IC designed for automotive applications, offering robust performance under harsh environmental conditions. It features a wide input voltage range from 3.0 V to 28 V, making it suitable for various vehicle electrical systems including 12 V and 24 V architectures. The device integrates multiple DC-DC converters—specifically two buck regulators and one boost regulator—enabling efficient power distribution to sensitive components such as microcontrollers, sensors, and communication modules. This PMIC includes a high-efficiency buck converter with up to 95% conversion efficiency, supporting output currents up to 3 A per channel. The boost converter provides a stable 5 V or 3.3 V output from low input voltages, ensuring reliable operation during engine cranking or battery dropout events. Additionally, the TPS653860-Q1 incorporates a low-dropout linear regulator (LDO) for noise-sensitive circuits, delivering clean power with ultra-low ripple and excellent load transient response. Designed for safety-critical automotive systems, the TPS653860-Q1 meets AEC-Q100 Grade 1 qualification and supports functional safety compliance up to ASIL-B level. It includes comprehensive protection features such as over-current, over-voltage, thermal shutdown, and short-circuit protection, enhancing system reliability in demanding environments. Its built-in fault logging and diagnostic capabilities allow for easy troubleshooting and real-time monitoring via an I²C interface. The device operates in both normal and low-power modes, minimizing quiescent current to extend battery life in always-on applications. It supports flexible clocking options and programmable startup sequences, enabling customization for specific system requirements. With a compact 4 mm × 4 mm QFN package, the TPS653860-Q1 offers high integration density while reducing board space and component count. It is widely used in advanced driver-assistance systems (ADAS), infotainment units, telematics, and body control modules where high efficiency, small form factor, and stringent reliability standards are essential. The TPS653860-Q1’s ability to manage complex power needs in a single chip makes it ideal for modern vehicle electronics that demand performance, safety, and scalability.