A

Allegro MicroSystems

Allegro MicroSystems is a semiconductor manufacturer producing Motor Drivers & Controllers, Power Distribution Switches, LED Drivers, DC-DC Switching Regulators, Special Purpose ICs. FPGACenter stocks 769 Allegro MicroSystems products with global sourcing capabilities, quality inspection, and competitive pricing. All Allegro MicroSystems components sourced through FPGACenter are 100% original with full traceability documentation.

769
Total Parts
769
In Stock
10
Categories
305
Active
464
EOL/Obsolete

Key Product Lines

Motor Drivers & ControllersPower Distribution SwitchesLED DriversDC-DC Switching RegulatorsSpecial Purpose ICs

✅ Why Source Allegro MicroSystems from FPGACenter

FPGACenter carries 769 Allegro MicroSystems part numbers. Submit an RFQ for volume pricing and lead time on any Allegro MicroSystems component.

✓ 100% Original & Genuine✓ No Minimum Order✓ Quality Inspection✓ Global Shipping

Allegro MicroSystems Product Categories

Motor Drivers & Controllers (374)Power Distribution Switches (150)LED Drivers (133)DC-DC Switching Regulators (51)Special Purpose ICs (22)Linear & Switching Controllers (14)Specialized Power Management (10)Gate Drivers (9)Full & Half-Bridge Drivers (3)Sensor & Detector Interfaces (2)

All Allegro MicroSystems Products

Page 5 of 39
Part NumberCategoryDescriptionPackageStockPriceStatus
A3936SEDTRMotor Drivers & ControllersA3936SEDTR by Allegro MicroSystems, 3V ~ 5.5V supply voltage, with Parallel interface, in 44-LCC (J-Lead) package, rated for -20°C ~ 150°C (TJ), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.44-LCC (J-Lead)2.338$10.10OBSOLETERFQ
A3936SEDTR-TMotor Drivers & ControllersA3936SEDTR-T by Allegro MicroSystems, 3V ~ 5.5V supply voltage, with Parallel interface, in 44-LCC (J-Lead) package, rated for -20°C ~ 150°C (TJ), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.44-LCC (J-Lead)2.102$15.28OBSOLETERFQ
A3938SEQMotor Drivers & ControllersA3938SEQ by Allegro MicroSystems, 18V ~ 50V supply voltage, with Parallel, PWM interface, in 32-LCC (J-Lead) package, rated for -20°C ~ 85°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.32-LCC (J-Lead)1.788$8.73OBSOLETERFQ
A3938SEQTRMotor Drivers & ControllersA3938SEQTR by Allegro MicroSystems, 18V ~ 50V supply voltage, with Parallel, PWM interface, in 32-LCC (J-Lead) package, rated for -20°C ~ 85°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.32-LCC (J-Lead)1.006$9.33OBSOLETERFQ
A3938SLDMotor Drivers & ControllersA3938SLD by Allegro MicroSystems, 18V ~ 50V supply voltage, with Parallel, PWM interface, in 38-TFSOP (0.173", 4.40mm Width) package, rated for -20°C ~ 85°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.38-TFSOP (0.173", 4.40mm Width)9.600$8.84OBSOLETERFQ
A3938SLD-TMotor Drivers & ControllersA3938SLD-T by Allegro MicroSystems, 18V ~ 50V supply voltage, with Parallel, PWM interface, in 38-TFSOP (0.173", 4.40mm Width) package, rated for -20°C ~ 85°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.38-TFSOP (0.173", 4.40mm Width)2.717$8.93OBSOLETERFQ
A3938SLDTRMotor Drivers & ControllersA3938SLDTR by Allegro MicroSystems, 18V ~ 50V supply voltage, with Parallel, PWM interface, in 38-TFSOP (0.173", 4.40mm Width) package, rated for -20°C ~ 85°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.38-TFSOP (0.173", 4.40mm Width)9.626$12.72OBSOLETERFQ
A3938SLQMotor Drivers & ControllersA3938SLQ by Allegro MicroSystems, 18V ~ 50V supply voltage, with Parallel, PWM interface, in 36-BSOP (0.295", 7.50mm Width) package, rated for -20°C ~ 85°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.36-BSOP (0.295", 7.50mm Width)2.705$8.75OBSOLETERFQ
A3938SLQTRMotor Drivers & ControllersA3938SLQTR by Allegro MicroSystems, 18V ~ 50V supply voltage, with Parallel, PWM interface, in 36-BSOP (0.295", 7.50mm Width) package, rated for -20°C ~ 85°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.36-BSOP (0.295", 7.50mm Width)2.406$11.19OBSOLETERFQ
A3940KLPMotor Drivers & ControllersA3940KLP by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-TSSOP (0.173", 4.40mm Width) Exposed Pad2.929$6.67OBSOLETERFQ
A3940KLP-TMotor Drivers & ControllersA3940KLP-T by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-TSSOP (0.173", 4.40mm Width) Exposed Pad1.638$6.67OBSOLETERFQ
A3940KLPTRMotor Drivers & ControllersA3940KLPTR by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-TSSOP (0.173", 4.40mm Width) Exposed Pad1.307RFQOBSOLETERFQ
A3940KLPTR-TMotor Drivers & ControllersA3940KLPTR-T by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-TSSOP (0.173", 4.40mm Width) Exposed Pad2.678RFQOBSOLETERFQ
A3940KLWMotor Drivers & ControllersA3940KLW by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-SOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-SOIC (0.295", 7.50mm Width)1.979RFQOBSOLETERFQ
A3940KLW-TMotor Drivers & ControllersA3940KLW-T by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-SOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-SOIC (0.295", 7.50mm Width)1.516RFQOBSOLETERFQ
A3940KLWTRMotor Drivers & ControllersA3940KLWTR by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-SOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-SOIC (0.295", 7.50mm Width)689RFQOBSOLETERFQ
A3940KLWTR-TMotor Drivers & ControllersA3940KLWTR-T by Allegro MicroSystems, 7V ~ 40V supply voltage, with Parallel interface, in 28-SOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 135°C (TA), designed for Automotive applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.28-SOIC (0.295", 7.50mm Width)1.630RFQOBSOLETERFQ
A3941KLPTR-TMotor Drivers & ControllersA3941KLPTR-T by Allegro MicroSystems, 5.5V ~ 50V supply voltage, with PWM interface, in 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package, rated for -40°C ~ 150°C (TA), designed for Automotive applications.28-TSSOP (0.173", 4.40mm Width) Exposed Pad34.487$1.52ACTIVERFQ
A3944KLPTR-TMotor Drivers & ControllersA3944KLPTR-T by Allegro MicroSystems, 3V ~ 5.5V supply voltage, with SPI, Parallel interface, in 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package, rated for -40°C ~ 150°C (TA).28-TSSOP (0.173", 4.40mm Width) Exposed Pad10.397$2.48ACTIVERFQ
A3946KLBMotor Drivers & ControllersA3946KLB by Allegro MicroSystems, 7V ~ 60V supply voltage, with Parallel interface, in 16-PowerSOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 135°C (TA), designed for General Purpose applications. This part is discontinued. FPGACenter specializes in sourcing obsolete components.16-PowerSOIC (0.295", 7.50mm Width)1.081$4.42OBSOLETERFQ

Frequently Asked Questions

Where can I buy Allegro MicroSystems electronic components?

FPGACenter stocks 769 Allegro MicroSystems part numbers with 769 currently in stock. All parts are 100% original with full traceability. No minimum order quantity required. Submit an RFQ for competitive pricing.

Can I still get obsolete Allegro MicroSystems parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 464 end-of-life/obsolete Allegro MicroSystems part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Allegro MicroSystems products does FPGACenter carry?

We stock Allegro MicroSystems products across 10 categories including Motor Drivers & Controllers, Power Distribution Switches, LED Drivers, DC-DC Switching Regulators. Browse our full catalog or contact our sourcing team for any specific Allegro MicroSystems part number.

Need Allegro MicroSystems Components?

Submit an RFQ for competitive pricing on any Allegro MicroSystems part. No minimum order, fast global shipping.

Request QuoteContact Sales
Get Quote