Automotive Multi-Output Regulator with Buck/Buck-Boost Pre-Regulator, LDOs, and SPI

ARG81400

ARG81400 Product Image

The ARG81400 is designed for automotive and industrial applications, integrating a buck/buck-boost pre-regulator, synchronous buck, multiple LDOs, a watchdog timer, and SPI control for comprehensive power management.

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Top Features

Packaging

  • A2-SIL™ compliant—device features for safety critical systems
  • Automotive AEC-Q100 qualified
  • Wide input voltage range, 3.8 to 40 VIN operating range, 50 VIN maximum
  • Buck or buck/boost pre-regulator (VREG)
  • Adjustable 1.25 to 3.3 V synchronous buck for powering a MCU
  • Four internal linear regulators with foldback short-circuit protection, 3.3 V (3V3) and three 5 V (V5CAN, V5A, and V5B)
  • One internal 5 V linear regulator (V5P) with foldback short-circuit and short-to-battery protection
  • Pin-to-pin and pin-to-ground tolerant at every pin
  • Power-on reset signal indicating a fault on the synchronous buck, 3V3 or V5A regulator outputs (NPOR)
  • Window watchdog timer with fail-safe features
  • Control and diagnostic reporting through a serial peripheral interface (SPI)
  • Safety signal (POE) can disable a separate function (e.g., Motor Driver) due to a Watchdog Failure 
  • Frequency dithering and controlled slew rate helps reduce EMI/EMC
  • OV and UV protection for all output rails
     

38-Pin eTSSOP (suffix LV)

LV Package Documentation

Part Number Specifications and Availability