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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 10 of 39
Part NumberCategoryDescriptionPackageStockPriceStatus
A3977KEDTRMotor Drivers & ControllersThe A3977KEDTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 -40°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977KEDTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$10.04OBSOLETERFQ
A3977KLPMotor Drivers & ControllersThe A3977KLP is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977KLP 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$8.95OBSOLETERFQ
A3977KLP-TMotor Drivers & ControllersThe A3977KLP-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977KLP-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$10.31OBSOLETERFQ
A3977KLPTRMotor Drivers & ControllersThe A3977KLPTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977KLPTR 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$13.81OBSOLETERFQ
A3977KLPTR-TMotor Drivers & ControllersThe A3977KLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977KLPTR-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
A3977SEDMotor Drivers & ControllersThe A3977SED 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 Logic 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 A3977SED is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$8.24OBSOLETERFQ
A3977SED-TMotor Drivers & ControllersThe A3977SED-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 Logic 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 A3977SED-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$8.24OBSOLETERFQ
A3977SEDTRMotor Drivers & ControllersThe A3977SEDTR 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 Logic 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 A3977SEDTR is no longer produced by Allegro MicroSystems; FPGACenter maintains verified stock sourced through certified supply chain partners.44-LCC (J-Lead)RFQ for sourcing$9.15OBSOLETERFQ
A3977SLPMotor Drivers & ControllersThe A3977SLP 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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977SLP 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$8.18OBSOLETERFQ
A3977SLP-TMotor Drivers & ControllersThe A3977SLP-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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977SLP-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$8.18OBSOLETERFQ
A3977SLPTRMotor Drivers & ControllersThe A3977SLPTR 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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977SLPTR 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$1.45OBSOLETERFQ
A3977SLPTR-TMotor Drivers & ControllersThe A3977SLPTR-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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3977SLPTR-T is currently in active production through Allegro MicroSystems's standard distribution channels.28-TSSOP (0.173", 4.40mm Width) Exposed Pad24.000 In Stock$1.35ACTIVERFQ
A3979SLPMotor Drivers & ControllersThe A3979SLP 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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3979SLP 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$2.97OBSOLETERFQ
A3979SLP-TMotor Drivers & ControllersThe A3979SLP-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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3979SLP-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$8.18OBSOLETERFQ
A3979SLPTRMotor Drivers & ControllersThe A3979SLPTR 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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3979SLPTR 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$12.46OBSOLETERFQ
A3979SLPTR-TMotor Drivers & ControllersThe A3979SLPTR-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 Logic 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 -20°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3979SLPTR-T is currently in active production through Allegro MicroSystems's standard distribution channels.28-TSSOP (0.173", 4.40mm Width) Exposed Pad45.132 In Stock$2.29ACTIVERFQ
A3980KLPMotor Drivers & ControllersThe A3980KLP is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3980KLP 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
A3980KLP-TMotor Drivers & ControllersThe A3980KLP-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3980KLP-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$7.57OBSOLETERFQ
A3980KLPTRMotor Drivers & ControllersThe A3980KLPTR is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3980KLPTR 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$158.18OBSOLETERFQ
A3980KLPTR-TMotor Drivers & ControllersThe A3980KLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. Key technical specifications include 3V ~ 5.5V supply voltage, -40°C ~ 150°C (TJ) operating temperature, and Logic 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 (TJ). Designed for motor control, LED lighting, and display backlight applications, the A3980KLPTR-T is currently in active production through Allegro MicroSystems's standard distribution channels.28-TSSOP (0.173", 4.40mm Width) Exposed Pad22.834 In Stock$2.55ACTIVERFQ

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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