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RAA271000

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General-Purpose SoC PMIC for Automotive Applications

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Overview

RAA271000 is a general-purpose power management integrated circuit (PMIC) suitable for the Renesas R-Car system-on-chip (SoC) series. RAA271000 contains five DC/DC buck regulators and two low-dropout linear regulators (LDO). Supporting up to ASIL C functional safety, the RAA271000 includes an independent reference for monitoring functions, dual internal temperature monitors, challenge-response watchdog timer, SoC error pin monitors, a reset generator, a dedicated safety-control state machine, and a safety shutdown path. An integrated 12-bit ADC monitors all input rails, output rails, and internal temperature, and includes additional inputs to monitor external analog sources.

RAA271000 Typical Application Block Diagram
RAA271000 Typical Application Diagram
RAA271000 Simplified Block Diagram
RAA271000 Typical Application Block Diagram
RAA271000 Typical Application Diagram
RAA271000 Simplified Block Diagram
  • Input range: 2.7V to 5.5V
  • Five switching regulators with adjustable output
  • VOUT from 0.3V ~ 3.3V at:
    • 15A (Buck 1)
    • 2A (Buck 2-3)
    • 4A (Buck 4-5)
  • Programmable current limits for all bucks
  • Two linear regulators
    • Output 0.6V to 3.6V at 300mA (LDO1-2)
  • 12-bit analog-to-digital converter for monitoring
  • Configurable through I2C or SPI interface
  • Programmable power sequence
  • Supports R-Car SoC sequence of activation
  • Challenge-response watchdog timer
  • Dual thermal protection system
  • 60-ball BGA package, 0.8mm pitch
  • ASILC Functional Safety (ISO 26262)
  • AEC-Q100 qualified (Grade 1)

Documentation

Featured Documentation
Type Title Date
Datasheet
RAA271000 Datasheet
PDF 3.38 MB
Manual - Hardware
R-Car V3H Starter Kit Hardware Manual
Log in to Download PDF 10.38 MB
2 items

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  1. PMIC DRIVER IN R CAR V3 H

    How can find the  PMIC driver file of R Car V3H? We already build the yocto BSP for that .

    Oct 19, 2020
  2. PMIC Driver Functionality | R-Car V3H

    What are the functionalities that an RAA271000 PMIC driver does ? The SoC is R-Car V3H starter kit ver 1.1 and driver has to be developed for the PMIC. So prior to starting the development, I wanted to know what are the functionalities that a driver actually does in ...

    Oct 23, 2020

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