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A7986ATR
+NomenclatureIC REG BUCK ADJ 3A 8HSOP
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FabricantSemi - conducteurs optiques
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Pièce fabricant #A7986ATR
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Fiche technique A7986ATR DataSheet
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Spécifications
| Attribut | Valeur |
| PartStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 38V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 38V |
| Current-Output | 3A |
| Frequency-Switching | 250kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| SupplierDevicePackage | 8-HSOP-EP |
| BaseProductNumber | A7986 |
Présentation
Description
Key specifications include a wide voltage operating range, typically from 2.5V to 10.8V, and a maximum output current of around 1.5A per channel. The A7986ATR supports PWM (Pulse Width Modulation) for efficient motor speed control and includes built-in protection features such as thermal shutdown, overcurrent protection, and under-voltage lockout.
Its compact package (often a TQFN or similar) allows for easy integration into space-constrained designs. Additionally, the A7986ATR is designed for simple interfacing with microcontrollers, making it a popular choice for hobbyists and engineers alike. Overall, it provides a robust solution for driving motors in various electronic applications.
Equivalent
Features
1. Microstepping Capability: Supports up to 1/16 microstepping for smooth motion and reduced vibration.
2. Current Control: Adjustable current settings to optimize performance and minimize heat generation.
3. Wide Voltage Range: Operates from 8V to 35V, making it suitable for various power supply configurations.
4. Built-in Protection: Includes over-temperature and over-current protection to enhance reliability and safety.
5. Easy Interface: Compatible with standard microcontrollers, featuring simple step and direction inputs.
6. Enable Function: Allows for power-saving modes when the driver is not in use.
7. Compact Design: Small footprint for easy integration into tight spaces.
Overall, the A7986ATR is ideal for CNC machines, 3D printers, and robotics, providing precision control and robust performance.
Pinout
Pin Count: 28 pins
Key Functions:
1. Motor Control: Drives two motors (or one stepper motor) with independent control.
2. PWM Control: Supports Pulse Width Modulation for speed control.
3. Direction Control: Allows for forward and reverse operation of motors.
4. Logic Inputs: Accepts control signals for operation modes.
5. Current Sensing: Monitors motor current for protection and efficiency.
6. Thermal Protection: Includes thermal shutdown features to prevent overheating.
7. Supply Voltage Range: Operates with a wide input voltage for versatility in applications.
The A7986ATR is suitable for applications in robotics, automation, and various motor control projects.
Manufacturer
Application
1. DC Motor Control: For driving and controlling the speed and direction of DC motors in robotics and automation.
2. Stepper Motors: Used in precise positioning systems like 3D printers and CNC machines.
3. Automated Guided Vehicles (AGVs): For movement control in smart transportation systems.
4. Home Appliances: In devices like washing machines and vacuum cleaners for motor management.
5. Industrial Equipment: For controlling actuators in manufacturing processes.
Its versatility makes it suitable for various electromechanical applications.