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Allegro MicroSystems A391 Series

4 variants · Allegro MicroSystems

About the Allegro MicroSystems Allegro MicroSystems A391 Series series

The Allegro MicroSystems Allegro MicroSystems A391 Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common applications of Battery Powered, case of 8-UFDFN Exposed Pad and current - output of 500mA.

Shared specifications

Applications
Battery Powered
Case
8-UFDFN Exposed Pad
Current - output
500mA
Function
Driver - Fully Integrated, Control and Power Stage
Interface
Parallel
Motor type - AC, DC
Brushed DC
Mounting type
Surface Mount
Operating temperature
-40°C ~ 150°C (TJ)
Output configuration
Half Bridge (2)
Package
Tape & Reel (TR); Cut Tape (CT)
Technology
Power MOSFET
Voltage
2.5V ~ 5.5V

Request a quote on any Allegro MicroSystems A391 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 A391 Series series?
A group of 4 related Allegro MicroSystems part numbers sharing a common applications of Battery Powered and case of 8-UFDFN Exposed Pad, each listed with specifications.
How many Allegro MicroSystems Allegro MicroSystems A391 Series part numbers are listed?
4 Allegro MicroSystems Allegro MicroSystems A391 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 A391 Series?
Request a quote (RFQ) for any Allegro MicroSystems A391 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants