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The A4950ELJTR is a high-performance full-bridge motor driver chip manufactured by Allegro MicroSystems. This chip is specifically designed to drive loads such as brushed DC motors, stepper motors, and relays. It employs high-integration packaging technology, offering high reliability and stability, and is suitable for applications in automotive electronics, industrial control, consumer electronics, and other fields.

A4950ELJTR Specifications

Manufacturer: Allegro MicroSystems

Package Type: 8-SOIC (0.154, 3.90mm wide) exposed pad

Supply Voltage Range: 8V to 40V

Maximum Output Current: 5.0A (peak)

On-Resistance (RDS(on)): 0.3Ω (High-side + Low-side)  

Operating Temperature Range: -40°C to +150°C  

Number of Pins: 8  

Protection Features: Over-Temperature Protection (OTP), Over-Current Protection (OCP), Under-Voltage Lockout (UVLO)  

Control Interface: PWM Input, Direction Control  

Operating Modes: Forward, Reverse, Brake, Coast

A4950ELJTR Features

Full-bridge structure: Enables bidirectional motor control and supports PWM speed regulation.  

Low on-resistance: Reduces conduction losses and improves efficiency.  

Comprehensive protection mechanisms: Includes over-temperature protection, overcurrent protection, and under-voltage lockout.  

Multiple operating modes: Forward operation, reverse operation, braking mode, and coasting mode.  

Excellent thermal performance: SOIC package format, suitable for space-constrained high-density circuit designs.

Applications  

The A4950ELJTR is widely used in applications requiring efficient and reliable motor drive control, including but not limited to:  

Industrial automation equipment: DC brushed motor and stepper motor drive control.  

Automotive electronic systems: Motor control for electric seats, windows, windscreen wipers, etc.  

Robotics control systems: Motion control modules.  

Consumer electronics: Motor drive circuits for electric toys, automatic door locks, printers, etc.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.