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A3950SLPTR-T
+BOMIC MOTOR DRIVER 8V-36V 16TSSOP
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ManufacturerAllegro MicroSystems
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Mfr. Part #A3950SLPTR-T
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Datasheet A3950SLPTR-T DataSheet
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Package TSSOP-16
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In Stock6476
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| MotorType-ACDC | Brushed DC |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (2) |
| Interface | Parallel |
| Technology | DMOS |
| Applications | General Purpose |
| Current-Output | 2.8A |
| Voltage-Supply | 8V ~ 36V |
| Voltage-Load | 8V ~ 36V |
| OperatingTemperature | -20°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Overview
Description
Key features of the A3950SLPTR-T include low output voltage drop due to its DMOS full-bridge motor driver design, which enhances power efficiency. It supports PWM (Pulse Width Modulation) for precise motor speed control and offers protection features like thermal shutdown and undervoltage lockout, ensuring reliable operation under various conditions. The IC also includes current limiting capabilities, improving the safety and longevity of the motor it controls.
Packaged in a compact TSSOP, the A3950SLPTR-T is suitable for space-constrained applications. Its versatility and protective features make it a preferred choice for engineers working on compact, high-performance motor control solutions.
Equivalent
Features
1. Microstepping Capability: Supports full-step, half-step, and microstepping up to 1/16th step, enhancing precision and smoothness of motor operation.
2. Integrated DMOS Outputs: Offers high efficiency and low power dissipation.
3. Programmable Current Control: Allows for adjustable motor current control via a simple resistor, optimizing performance and power consumption.
4. Low RDS(ON): Provides low on-resistance, reducing heat generation and energy loss.
5. Internal PWM Current Control: Uses fixed off-time PWM current regulation, minimizing external component requirements.
6. Protection Features: Includes overcurrent protection (OCP), thermal shutdown, and undervoltage lockout (UVLO) to safeguard against adverse conditions.
7. Compact Package: Available in a surface-mount package, aiding in space-saving designs.
These features make it suitable for applications requiring precise motor control, such as in robotics, 3D printing, and other automated systems.
Pinout
Key features of the A3950 include:
- It operates over a wide voltage range.
- It provides motor control through PWM (Pulse Width Modulation) for efficient speed regulation.
- Built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
- It supports both forward and reverse rotation of the motor.
The pins are designated for specific functions such as inputs for controlling the motor driver, outputs connected to the motor, power supply connections, and various control and feedback functionalities. Specific pin functions include logic inputs for controlling motor operation, outputs to the motor, power supply pins, and ground connections. For detailed pin configurations and precise functions, referring to the datasheet is recommended.