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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
305
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.

✓ Originality review✓ No Minimum Order✓ Quality Inspection✓ Global Shipping

Allegro MicroSystems Product Categories

Motor Drivers & Controllers (375)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 & ControllersThe A3936SEDTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -20°C ~ 150°C (TJ) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 44-LCC (J-Lead) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3936SEDTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$10.10OBSOLETERFQ
A3936SEDTR-TMotor Drivers & ControllersThe A3936SEDTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -20°C ~ 150°C (TJ) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 44-LCC (J-Lead) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3936SEDTR-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$15.28OBSOLETERFQ
A3938SEQMotor Drivers & ControllersThe A3938SEQ is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 18V ~ 50V supply voltage, -20°C ~ 85°C (TA) operating temperature, and Parallel, PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 32-LCC (J-Lead) package and is rated for operation across -20°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3938SEQ is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.32-LCC (J-Lead)RFQ for sourcing$8.73OBSOLETERFQ
A3938SEQTRMotor Drivers & ControllersThe A3938SEQTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 18V ~ 50V supply voltage, -20°C ~ 85°C (TA) operating temperature, and Parallel, PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 32-LCC (J-Lead) package and is rated for operation across -20°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3938SEQTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.32-LCC (J-Lead)RFQ for sourcing$9.33OBSOLETERFQ
A3938SLDMotor Drivers & ControllersThe A3938SLD is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 18V ~ 50V supply voltage, -20°C ~ 85°C (TA) operating temperature, and Parallel, PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 38-TFSOP (0.173", 4.40mm Width) package and is rated for operation across -20°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3938SLD is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.38-TFSOP (0.173", 4.40mm Width)RFQ for sourcing$8.84OBSOLETERFQ
A3938SLD-TMotor Drivers & ControllersThe A3938SLD-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 18V ~ 50V supply voltage, -20°C ~ 85°C (TA) operating temperature, and Parallel, PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 38-TFSOP (0.173", 4.40mm Width) package and is rated for operation across -20°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3938SLD-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.38-TFSOP (0.173", 4.40mm Width)RFQ for sourcing$8.93OBSOLETERFQ
A3938SLDTRMotor Drivers & ControllersThe A3938SLDTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 18V ~ 50V supply voltage, -20°C ~ 85°C (TA) operating temperature, and Parallel, PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 38-TFSOP (0.173", 4.40mm Width) package and is rated for operation across -20°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3938SLDTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.38-TFSOP (0.173", 4.40mm Width)RFQ for sourcing$12.72OBSOLETERFQ
A3938SLQMotor Drivers & ControllersThe A3938SLQ is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 18V ~ 50V supply voltage, -20°C ~ 85°C (TA) operating temperature, and Parallel, PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 36-BSOP (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3938SLQ is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.36-BSOP (0.295", 7.50mm Width)RFQ for sourcing$8.75OBSOLETERFQ
A3938SLQTRMotor Drivers & ControllersThe A3938SLQTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 18V ~ 50V supply voltage, -20°C ~ 85°C (TA) operating temperature, and Parallel, PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 36-BSOP (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 85°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3938SLQTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.36-BSOP (0.295", 7.50mm Width)RFQ for sourcing$11.19OBSOLETERFQ
A3940KLPMotor Drivers & ControllersThe A3940KLP is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLP is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$6.67OBSOLETERFQ
A3940KLP-TMotor Drivers & ControllersThe A3940KLP-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLP-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$6.67OBSOLETERFQ
A3940KLPTRMotor Drivers & ControllersThe A3940KLPTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLPTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcingRFQOBSOLETERFQ
A3940KLPTR-TMotor Drivers & ControllersThe A3940KLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLPTR-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcingRFQOBSOLETERFQ
A3940KLWMotor Drivers & ControllersThe A3940KLW is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLW is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-SOIC (0.295", 7.50mm Width)RFQ for sourcingRFQOBSOLETERFQ
A3940KLW-TMotor Drivers & ControllersThe A3940KLW-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLW-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-SOIC (0.295", 7.50mm Width)RFQ for sourcingRFQOBSOLETERFQ
A3940KLWTRMotor Drivers & ControllersThe A3940KLWTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLWTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-SOIC (0.295", 7.50mm Width)RFQ for sourcingRFQOBSOLETERFQ
A3940KLWTR-TMotor Drivers & ControllersThe A3940KLWTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 40V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3940KLWTR-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.28-SOIC (0.295", 7.50mm Width)RFQ for sourcingRFQOBSOLETERFQ
A3941KLPTR-TMotor Drivers & ControllersThe A3941KLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 5.5V ~ 50V supply voltage, -40°C ~ 150°C (TA) operating temperature, and PWM interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -40°C ~ 150°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3941KLPTR-T is currently in active production through Allegro MicroSystems's standard distribution channels.28-TSSOP (0.173", 4.40mm Width) Exposed Pad34.487 In Stock$1.52ACTIVERFQ
A3944KLPTR-TMotor Drivers & ControllersThe A3944KLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TA) operating temperature, and SPI, Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -40°C ~ 150°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3944KLPTR-T is currently in active production through Allegro MicroSystems's standard distribution channels.28-TSSOP (0.173", 4.40mm Width) Exposed Pad10.397 In Stock$2.48ACTIVERFQ
A3946KLBMotor Drivers & ControllersThe A3946KLB is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 7V ~ 60V supply voltage, -40°C ~ 135°C (TA) operating temperature, and Parallel interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 16-PowerSOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 135°C (TA). Designed for motor control, LED lighting, and display backlight applications, the A3946KLB is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-PowerSOIC (0.295", 7.50mm Width)RFQ for sourcing$4.42OBSOLETERFQ

Frequently Asked Questions

Where can I buy Allegro MicroSystems electronic components?

FPGACenter stocks 769 Allegro MicroSystems part numbers with 305 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.

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