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A4412 Datasheet

Buck Or Buck/boost Pre-regulator

Manufacturer: Allegro MicroSystems

A4412 Overview

The A4412 is a power management IC that uses a buck or buck/ boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage plete with control, diagnostics and protections. Designed to supply CAN transceiver, sensor, and microprocessor power supplies in high-temperature environments, the A4412 is ideal for under-hood applications. Enable inputs to the A4412...

A4412 Key Features

  • A2-SIL™ product-device features for safety critical systems
  • Automotive AEC-Q100 qualified
  • Wide input voltage range, 3.8 to 40 VIN operating range
  • Buck or buck/boost pre-regulator (VREG)
  • Adjustable 1.3 to 3.3 V, 400 mA synchronous buck
  • Four internal linear regulators with foldback short-circuit
  • One internal 5 V linear regulator (V5P) with foldback short-circuit and short-to-battery protection
  • Power-on reset signal indicating a fault on the synchronous buck, 3V3 or V5A regulator outputs (NPOR)
  • Window watchdog timer with fail-safe features
  • Dual bandgaps for increased safety coverage and fault detection, BGVREF, BGFAULT

A4412 Applications

  • Automotive Control Modules for

A4412 Distributor