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A3946KLPTR-T
Ideal for controlling power flow in automotive electrical systems
A3946KLPTR-T
Ideal for controlling power flow in automotive electrical systems
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製造商零件號 # : A3946KLPTR-T
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包裝/封裝: TSSOP-16
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零件狀態 : Active
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製造商: Allegro Microsystems
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產品分類 : Motor Drivers, Controllers
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A3946KLPTR-T 數據表
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詳細說明
The A3946KLPTR-T is a motor driver IC designed for controlling and driving the operation of a motor. It is specifically designed for use with stepper motors, which are commonly used in various applications that require precise and controlled rotational movement.
主要特徵
- Stepper Motor Driver: This IC is designed to drive stepper motors, which are often used in applications where precise control of rotational movement is required.
- Microstepping: It may support microstepping, which allows for finer control and smoother motion of the stepper motor.
- Current Sensing: Some versions of this IC include current sensing for accurate control of motor current.
- Protection Features: It may have protection features to prevent overcurrent and overtemperature conditions.
- Output Current: The IC specifies a maximum output current rating, which determines the size of stepper motors it can drive.
應用
- CNC (Computer Numerical Control) machinery for precise positioning and movement control.
- 3D printers for controlling the movement of print heads and build platforms.
- Robotics for controlling the motion of robot arms and other components.
- Automation and industrial control systems that require precise and controlled motion.
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Product Name | A3946KLPTR-T | Product Type ! | Motor Driver IC |
| Manufacturer | Allegro Microsystems | Motor Type | Stepper Motor or DC Motor |
| Number of Motor Outputs | 2 | Supply Voltage | 5V to 50V |
| Package Type | Surface-Mount SOIC-16 | Operating Temperature Range ! | -40°C to 85°C |
| Product Category ! | Motor / Motion / Ignition Controllers & Drivers | RoHS | Details |
| Product | Brushed DC Motor Drivers | Type | Half Bridge |
| Operating Supply Voltage ! | 7 V to 60 V | Output Current ! | 15 mA |
| Operating Supply Current | 3 mA | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 135 C | Mounting Style | SMD/SMT |
| Package / Case | TSSOP-16 | Brand | Allegro MicroSystems |
| Load Voltage Rating | 7 V to 60 V | Moisture Sensitive | Yes |
| Number of Outputs | 2 Output | Operating Frequency ! | 62.5 kHz |
| Output Voltage | 13 V | Series | A3946 |
| Factory Pack Quantity | 4000 | Subcategory | PMIC - Power Management ICs |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is A3946KLPTR-T?
The A3946KLPTR-T is a dual full-bridge PWM motor driver IC designed by Allegro MicroSystems. It is suitable for driving two brushed DC motors or one stepper motor in automotive and industrial applications.
How Does A3946KLPTR-T Work?
The A3946KLPTR-T works by providing full-bridge PWM control to drive motors efficiently. It can handle high input voltages and currents, making it ideal for automotive systems and industrial equipment. The IC offers protection features such as overcurrent and thermal shutdown to ensure safe motor operation.
How Many Pins does A3946KLPTR-T have and What are the Functions of the Pinout Configuration?
The A3946KLPTR-T is housed in a 28-lead TSSOP package. The pinout configuration includes:
- VBAT: Motor power supply pin.
- VCC: Logic power supply pin.
- OUT1A, OUT1B: Outputs for motor 1 phase A and B.
- OUT2A, OUT2B: Outputs for motor 2 phase A and B.
- SENSE1, SENSE2: Current sense inputs for motor 1 and motor 2.
- FAULT: Fault status output.
- DIR, PHASE, nENABLE: Control inputs for motor direction, phase, and enable.
- RESET: Reset input pin.
What are the Pros and Cons of A3946KLPTR-T?
Pros:
- Dual Motor Control: Capable of driving two motors independently.
- High Voltage and Current Capability: Suitable for demanding applications.
- Protection Features: Includes overcurrent and thermal shutdown protection.
- Efficient PWM Control: Provides efficient motor control with adjustable duty cycle.
- Wide Operating Temperature Range: Can operate in harsh environments.
Cons:
- Complexity: Requires careful design consideration for motor control applications.
- External Components: May need additional components for specific motor configurations.
- Package Size: The 28-lead TSSOP package may require PCB space optimization.
Are There Any Equivalents/Alternatives to A3946KLPTR-T for Recommendation?
- The DRV8800 from Texas Instruments is a comparable dual full-bridge motor driver IC.
- Alternatives to the A3946KLPTR-T include the L6203 from STMicroelectronics and the TMC2100 from Trinamic Motion Control.
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