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RTQ2081-QF - Functional Safety PMIC

Description

The RTQ2081-QF is a highly integrated PMIC designed for automotive camera applications.

It includes three step-down converters, one high PSRR low-dropout (LDO) regulator, and one general low-dropout (LDO) regulator.

Features

  • AEC-Q100 Grade 1 Qualified.
  • Compliance with ISO 26262 ASIL B.
  • Safety Mechanisms Include Power-On Built-In Self-Test (BIST) for OV/UV Monitors, I2C Cyclic Redundancy Check (CRC), and OTP Register CRC.
  • Three Step-Down Converters (HVBuck1, LVBuck2 & 3) with Peak-Current Control, Forced PWM (FPWM), and Power-Saving (PSM) Operation to Enhance Efficiency under Light Load Conditions.
  • Fixed Switching Frequency at 2.1MHz.
  • EMI Reduction Features including Spread Spectrum and.

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Full PDF Text Transcription

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RTQ2081-QF Functional Safety PMIC with Built-In WDT Function for Automotive Radar Modules 1 General Description The RTQ2081-QF is a highly integrated PMIC designed for automotive camera applications. It includes three step-down converters, one high PSRR low-dropout (LDO) regulator, and one general low-dropout (LDO) regulator. The high-voltage step-down converter operates with an input voltage range of up to 24V and is capable of sustaining a 36V load dump. It is suitable for a direct connection to a 12V battery. The RTQ2081-QF offers overvoltage and undervoltage monitors, two error input receivers, one error output indicator, and fault status reported by I2C for functional safety purposes. The RTQ2081-QF is equipped with a standard built-in watchdog timer function.
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