ℹ️ Document Conversion Notice: This document has been converted from PDF and formatted to fit this screen. Diagrams and images may be available only in the original here.

Allegro ARG82801-1: Integrated PMIC for Automotive Safety Systems

The Allegro ARG82801-1 is a highly integrated Power Management Integrated Circuit (PMIC) specifically designed for safety-critical automotive applications. It combines a versatile buck or buck-boost pre-regulator with four linear regulators and four floating gate drivers, all managed via a Serial Peripheral Interface (SPI).

Key Features

A2-SIL™ product features for safety-critical systems
Automotive AEC-Q100 qualified
Wide input voltage range (3.8 V to 36 V)
Integrated watchdog timers (Q&A and Window)
Four independent floating gate drivers for MOSFET control
Comprehensive protection features including undervoltage, overvoltage, and thermal shutdown

Applications

This PMIC is ideal for providing system power and gate drive control in automotive modules such as:

Electronic Power Steering (EPS)
Advanced Braking Systems (ABS)
Microcontroller/DSP power
Sensor power
CAN transceivers

File Info : application/pdf, 44 Pages, 2.30MB

ARG82801-1-Datasheet

References

Allegro MicroSystems | Innovation with Purpose

Adobe PDF Library 16.0.3 Adobe InDesign 17.0 (Windows)

Related Documents

	Allegro A4409: Adjustable Frequency Buck/Buck-Boost Pre-Regulator with 2 LDOs, Window Watchdog Timer, and NPOR Datasheet for the Allegro A4409, an automotive-qualified adjustable frequency buck or buck-boost pre-regulator featuring two 5V LDOs, a window watchdog timer, and NPOR. Details features, specifications, applications, and design considerations.
	APEK5947GET-01-T Evaluation Board User Guide \| Allegro MicroSystems User guide for the Allegro APEK5947GET-01-T evaluation board, featuring the A5947GET three-phase sensorless fan driver IC. Includes setup, specifications, schematic, layout, and bill of materials.
	ACS732 and ACS733: 1 MHz Bandwidth, Galvanically Isolated Current Sensor IC in SOIC-16 Package Allegro MicroSystems' ACS732 and ACS733 are high-bandwidth, galvanically isolated current sensor ICs designed for high-frequency current measurement in switching power applications. These devices offer a compact, fast, and accurate solution with user-configurable overcurrent fault detection.
	Allegro MicroSystems FY25 Environmental, Social, and Governance Report Allegro MicroSystems' FY25 ESG Report details their commitment to a safer, more sustainable, and autonomous future, highlighting progress in environmental stewardship, social responsibility, and corporate governance across automotive, industrial, and consumer markets.
	ATS604: Orientation-Independent Back-Bias AK Protocol Wheel Speed and Direction Sensor IC Datasheet Datasheet for the Allegro ATS604, an advanced gear tooth sensor for automotive wheel speed sensing applications. Features orientation-independent mounting, AK Protocol for speed, direction, and temperature data, and ISO 26262 ASIL B compliance.
	Allegro Microsystems: Precision Motion Solutions for Collaborative Robotics Allegro Microsystems provides advanced semiconductor solutions for collaborative robots (cobots), enabling precise motor control, enhanced safety, and reliable performance in modern manufacturing automation.
	Allegro CTD426-HSN820MR Evaluation Board User Guide User guide for the Allegro CTD426-20AC evaluation board, featuring the CT426 XtremeSense TMR current sensor. Details specifications, features, schematics, layout, and bill of materials for engineering applications.
	Allegro MicroSystems Environmental, Social, and Governance Report FY25 Allegro MicroSystems' Environmental, Social, and Governance (ESG) Report for Fiscal Year 2025 details the company's commitment to a safer, more sustainable, and autonomous future. It covers achievements in renewable energy, waste reduction, and supply chain engagement, alongside their vision and mission in semiconductor technology for e-mobility and industrial markets.