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Allegro MicroSystems A491 Series

10 variants · Allegro MicroSystems

About the Allegro MicroSystems Allegro MicroSystems A491 Series series

The Allegro MicroSystems Allegro MicroSystems A491 Series series groups 10 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common applications of General Purpose, case of 28-VFQFN Exposed Pad and function of Controller - Commutation, Direction Management.

Shared specifications

Applications
General Purpose
Case
28-VFQFN Exposed Pad
Function
Controller - Commutation, Direction Management
Interface
Parallel
Motor type - AC, DC
Brushless DC (BLDC)
Mounting type
Surface Mount
Operating temperature
-20°C ~ 150°C (TJ)
Output configuration
Pre-Driver - High Side/Low Side (3)
Package
Tape & Reel (TR); Cut Tape (CT)
Technology
Power MOSFET
Voltage
3V ~ 5.5V
Voltage - load
5V ~ 50V

Request a quote on any Allegro MicroSystems A491 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

What is the Allegro MicroSystems Allegro MicroSystems A491 Series series?
A group of 10 related Allegro MicroSystems part numbers sharing a common applications of General Purpose and case of 28-VFQFN Exposed Pad, each listed with specifications.
How many Allegro MicroSystems Allegro MicroSystems A491 Series part numbers are listed?
10 Allegro MicroSystems Allegro MicroSystems A491 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Allegro MicroSystems Allegro MicroSystems A491 Series?
Request a quote (RFQ) for any Allegro MicroSystems A491 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants