EX-31A

Allegro MicroSystems, Inc.
ACS711 - Current Sensor Sensor Evaluation Board
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 620-1927-ND 5 1 $138.88 $138.88 $138.88 $138.88 $138.88 $138.88

A8483

Allegro MicroSystems, Inc.
1.2 MHz Step-up Converter for Display Bias Supply
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey A8483EEK-T-ND 0 1936 $0.43

A8503

Allegro MicroSystems, Inc.
High Efficiency 6-Channel, 2 MHz, WLED/RGB Driver for Medium Displays, with Integrated 55 V Power Switch
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey A8503GECTR-T-ND 0

A8724

Allegro MicroSystems, Inc.
Photoflash Capacitor Charger with Flexible Current Limit and 55 V Power DMOS Switch
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey A8724EEJTR-T-ND 0 18000

A8731

Allegro MicroSystems, Inc.
Mobile Phone Xenon Photoflash Driver with IGBT Gate Driver
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey A8731EEJTR-T-ND 0 18000

STR-W6053S

Allegro MicroSystems, Inc.

$2.51

AC/DC Converter IC (PWM type)
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey STR-W6053S 0 $3.70
Newark STR-W6053S 0 1800 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

A1101

Allegro MicroSystems, Inc.
Continuous-Time Switch
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 620-A1101ELHLX-TCT-ND 8592 1 $1.32 $0.96 $1.04 $0.77 $0.87 $0.62

A1102

Allegro MicroSystems, Inc.
Continuous-Time Switch
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 620-1002-1-ND 15921 1 $1.62 $1.37 $1.23 $1.18 $1.04 $0.93

A1104

Allegro MicroSystems, Inc.
Continuous-Time Switch
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 620-1662-1-ND 27134 1 $1.35 $1.14 $1.02 $0.98 $0.86 $0.56

A1120

Allegro MicroSystems, Inc.
Chopper-Stabilized Precision Hall Effect Switches
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 620-A1120EUA-T-ND 9358 1 $1.05 $0.88 $0.78 $0.75 $0.64 $0.57