TPS65381-Q1 Datasheet | Texas Instruments

Overview 1.1 Features - Qualified for Automotive Applications - AEC-Q100 Qualified With the Following Results: - Device Temperature Grade 1: - 40°C to +125°C Ambient Operating Temperature - Device HBM ESD Classification Level H2 - Device CDM ESD Classification Level C3B - Multirail Power Supply Supporting Among Others - TI Hercules™ TMS570, C2000™, and Various Functional-Safety Architecture Microcontrollers - Supply Rails - Input voltage range: - 5.8 V to 36 V (CAN, I/O, MCU Core, and Sensor-Supply Regulators Functional) - 4.5 V to 5.8 V (3.3 V I/O and MCU Core Regulators Functional) - 6-V Asynchronous Switch Mode Preregulator With Internal FET, 1.3-A Output Current - 5-V (CAN) Supply Voltage, Linear Regulator With Internal FET, 300-m A Output Current - 3.3-V or 5-V (MCU I/O) Voltage, Linear Regulator With Internal FET, 300-m A Output Current - 0.8-V to 3.3-V Adjustable (MCU Core Voltage), Linear Regulator Controller With External FET - 3.3-V to 9.5-V Adjustable Sensor Supply: Linear Tracking Regulator With Internal FET, 100-m A Output Current, and Protection Against Short-to Supply and Short-to-Ground - Charge Pump: Typically 12 V Above Battery Voltage - Power Supply and System Monitoring - Independent Undervoltage and Overvoltage Monitoring on All Regulator Outputs, Battery Voltage, and Internal Supplies - Independent Voltage References for Regulator References and Voltage Monitoring. Voltage Monitoring Circuitry With Independent Bandgap Reference and Separate Supply Input Pin - Self-Check on all Voltage Monitoring (Automatic During Power-Up and After Power-Up Initiated by External MCU) - All Supplies With Internal FETs Protected With Current-Limit and Overtemperature Shutdown - Microcontroller (MCU) Interface - Watchdog: Trigger Mode (OPEN/CLOSE Window) or Question and Answer Mode - MCU Error-Signal Monitor For Lock-Step Dual Core MCUs Including Hercules™ TMS570, C2000™, and Various Functional-Safety Architecture MCUs Using Pulse-Width Modulation (PWM) Error...