●Description
●The TPS54540-Q1 device is a 42-V, 5-A, step-down regulator with an integrated high-side MOSFET. The device survives load-dump pulses up to 65 V per ISO 7637. Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load supply current to 146 μA. Shutdown supply current is reduced to 2 μA when the enable pin is pulled low.
●Features
●• Qualified for Automotive Applications
●• AEC-Q100 Qualified With the Following Results:
● – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
● – Device HBM ESD Classification Level H1C
● – Device CDM ESD Classification Level C3B
●• High-Efficiency at Light Loads With Pulse Skipping Eco-mode™
●• 92-mΩ High-Side MOSFET
●• 146-μA Operating Quiescent Current and 2-µA Shutdown Current
●• 100-kHz to 2.5-MHz Adjustable Switching Frequency
●• Synchronizes to External Clock
●• Low Dropout at Light Loads With Integrated BOOT Recharge FET
●• Adjustable UVLO Voltage and Hysteresis
●• 0.8-V 1% Internal Voltage Reference
●• 8-Pin HSOP PowerPAD™ Package
●• –40°C to 150°C TJ Operating Range
●• Supported by WEBENCH® Software Tool
●Applications
●• Vehicle Accessories: GPS (See SLVA412), Entertainment, ADAS, eCall
●• USB-Dedicated Charging Ports and Battery Chargers (See SLVA464)
●• Industrial Automation and Motor Control
●• 12-V, 24-V, and 48-V Industrial, Automotive, and Communications Power Systems
