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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 6 of 39
Part NumberCategoryDescriptionPackageStockPriceStatus
A3946KLB-TMotor Drivers & ControllersThe A3946KLB-T 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-T 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
A3946KLBTRMotor Drivers & ControllersThe A3946KLBTR 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 A3946KLBTR 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 sourcingRFQOBSOLETERFQ
A3946KLBTR-TMotor Drivers & ControllersThe A3946KLBTR-T 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 A3946KLBTR-T 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$6.54OBSOLETERFQ
A3946KLPMotor Drivers & ControllersThe A3946KLP 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-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 A3946KLP is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$4.67OBSOLETERFQ
A3946KLP-TMotor Drivers & ControllersThe A3946KLP-T 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-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 A3946KLP-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$4.67OBSOLETERFQ
A3946KLPTRMotor Drivers & ControllersThe A3946KLPTR 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-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 A3946KLPTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcingRFQOBSOLETERFQ
A3946KLPTR-TMotor Drivers & ControllersThe A3946KLPTR-T 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-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 A3946KLPTR-T is currently in active production through Allegro MicroSystems's standard distribution channels.16-TSSOP (0.173", 4.40mm Width) Exposed Pad23.736 In Stock$2.70ACTIVERFQ
A3948SBMotor Drivers & ControllersThe A3948SB is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 4.5V ~ 5.5V supply voltage, -20°C ~ 150°C (TJ) operating temperature, and Serial interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Through Hole component is supplied in a 24-PowerDIP (0.300", 7.62mm) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3948SB is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.24-PowerDIP (0.300", 7.62mm)RFQ for sourcing$7.15OBSOLETERFQ
A3948SLBMotor Drivers & ControllersThe A3948SLB is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 4.5V ~ 5.5V supply voltage, -20°C ~ 150°C (TJ) operating temperature, and Serial interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 24-SOIC (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3948SLB is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.24-SOIC (0.295", 7.50mm Width)RFQ for sourcing$7.09OBSOLETERFQ
A3948SLBTRMotor Drivers & ControllersThe A3948SLBTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 4.5V ~ 5.5V supply voltage, -20°C ~ 150°C (TJ) operating temperature, and Serial interface; design review should also confirm drive current, MOSFET or LED load compatibility, and input voltage. This Surface Mount component is supplied in a 24-SOIC (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3948SLBTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.24-SOIC (0.295", 7.50mm Width)RFQ for sourcing$7.96OBSOLETERFQ
A3949SLBMotor Drivers & ControllersThe A3949SLB is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-PowerSOIC (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLB 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$4.46OBSOLETERFQ
A3949SLB-TMotor Drivers & ControllersThe A3949SLB-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-PowerSOIC (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLB-T 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$5.22OBSOLETERFQ
A3949SLBTRMotor Drivers & ControllersThe A3949SLBTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-PowerSOIC (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLBTR 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$5.16OBSOLETERFQ
A3949SLBTR-TMotor Drivers & ControllersThe A3949SLBTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-PowerSOIC (0.295", 7.50mm Width) package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLBTR-T 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$7.82OBSOLETERFQ
A3949SLPMotor Drivers & ControllersThe A3949SLP is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLP is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$4.63OBSOLETERFQ
A3949SLP-TMotor Drivers & ControllersThe A3949SLP-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLP-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$5.44OBSOLETERFQ
A3949SLPTRMotor Drivers & ControllersThe A3949SLPTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLPTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$6.97OBSOLETERFQ
A3949SLPTR-TMotor Drivers & ControllersThe A3949SLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3949SLPTR-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$8.30OBSOLETERFQ
A3950SEUTR-TMotor Drivers & ControllersThe A3950SEUTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-WQFN Exposed Pad package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3950SEUTR-T is currently in active production through Allegro MicroSystems's standard distribution channels.16-WQFN Exposed Pad26.581 In Stock$1.27ACTIVERFQ
A3950SLP-TMotor Drivers & ControllersThe A3950SLP-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 8V ~ 36V 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 16-TSSOP (0.173", 4.40mm Width) Exposed Pad package and is rated for operation across -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3950SLP-T is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.16-TSSOP (0.173", 4.40mm Width) Exposed PadRFQ for sourcing$2.34OBSOLETERFQ

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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