TI O3853QDCARQ1

O3853QDCARQ1 General Description

PMIC 48-HTSSOP

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 2
  • Device CDM ESD Classification Level C4B
• Functional Safety-Compliant
  • Developed for Functional Safety Applications
  • Documentation Available to Aid ISO 26262 System Design up to ASIL D
  • Systematic Capability and Hardware Integrity up to ASIL D
• Input Voltage Range
  • 7 to 36-V for Initial Battery Power Up
  • 3.8 to 36-V Full Functionality After Initial Battery Power Up
  • Minimum 2.3 V During Operation After Wake-up
• Supply Rails (With Internal FETs)
  • 6-V Synchronous Buck-Boost Preregulator
  • 5-V, 284-mA LDO (CAN)
  • 3.3-V or 5-V, 350-mA LDO (MCU)
  • 2 LDOs Protected for Sensor Supply or Peripherals
    • 120 mA for Sensor Supply 1 (VSOUT1), 20 mA for Sensor Supply 2 (VSOUT2)
    • Configurable Tracking Mode (Tracking Input Pin), or 3.3-V or 5-V Fixed Output Voltage
    • Short-to-Ground and Battery Protection
  • Charge Pump: 6-V Minimum, 11-V Maximum Above Battery Voltage
• Monitoring and Protection
  • Independent Undervoltage and Overvoltage Monitoring on All Regulator Outputs, Battery Voltage, and Internal Supplies
  • Voltage Monitoring Circuitry, Including Independent Bandgap Reference, Supplied from Separate Battery Voltage Input Pin
  • Self-Check on All Voltage Monitoring (During Power-Up and After Power-Up Initiated by External MCU)
  • All Supplies Protected with Current Limit and Overtemperature Prewarning and Shutdown
• Steering-Angle Monitoring (SAM)
  • 2 Signal Comparators for Position Sensor Signals
  • Rotation Counter
  • Low-Power Mode With Periodically Sampling of Position Sensor Signals
  • Switches for Passing-Through Sensor Signals to MCU
• Microcontroller Interface
  • Open and Close Window or Question-Answer Watchdog Function
  • Lock-Step MCU Error-Signal Monitor
  • DIAGNOSTIC state for Performing Device Self-Tests and System Diagnostics
  • SAFE State for Device and System Protection upon Detected System Failure
  • Clock Monitor for Internal Oscillator
  • Analog and Logic Built-In Self-Test
  • CRC on Non-Volatile Memory as well as Device and System Configuration Registers and SPI Communications
  • Reset Circuit for MCU
  • Diagnostic Output Pin
• SPI With CRC on Command Plus Data
• Error Reporting Through SPI Registers for Errors on System Level and Device Level
• Enable-Drive Output for Disabling External Power-Stages on Any Detected System Failure
• Wake-up through IGN Pin (Ignition) or CAN_WU Pin (Transceiver or Other Function)
• 48-Pin HTSSOP PowerPAD™ IC Package

Specifications