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A4937KLPTR-A-T
+BOMIC GATE DRVR HALF-BRIDGE 28TSSOP
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メーカーアレグロ・マイクロシステムズ
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メーカー品番 #A4937KLPTR-A-T
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在庫状況4871
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Active |
| Digi Key Programmable | Not Verified |
| Driven Configuration | Half-Bridge |
| Channel Type | 3-Phase |
| Number of Drivers | 6 |
| Gate Type | MOSFET (N-Channel) |
| Voltage - Supply | 5.5V ~ 50V |
| Input Type | Non-Inverting |
| Operating Temperature | -40°C ~ 175°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 28-TSSOP-EP |
| Base Product Number | A4937 |
概要
Description
The A4937KLPTR-A-T is a motor driver IC designed for controlling bipolar stepper motors. It features microstepping capabilities, enabling smooth and precise motion control, which is ideal for applications in robotics, 3D printers, and CNC machines. This IC integrates a robust H-bridge driver, allowing it to handle high current loads while ensuring thermal protection and fault detection.
Key features include adjustable current control, enabling the user to set the maximum output current for the motor, and multiple microstepping options that enhance positional accuracy. The device also supports both direct and reverse motor rotation, making it versatile for various configurations.
With a compact package design, the A4937KLPTR-A-T is suitable for space-constrained environments, while the low standby power consumption contributes to energy efficiency. Overall, this integrated circuit is a reliable choice for designers seeking efficient motor control solutions in demanding applications.
Key features include adjustable current control, enabling the user to set the maximum output current for the motor, and multiple microstepping options that enhance positional accuracy. The device also supports both direct and reverse motor rotation, making it versatile for various configurations.
With a compact package design, the A4937KLPTR-A-T is suitable for space-constrained environments, while the low standby power consumption contributes to energy efficiency. Overall, this integrated circuit is a reliable choice for designers seeking efficient motor control solutions in demanding applications.
Equivalent
The A4937KLPTR-A-T is a dual H-bridge motor driver. Equivalent products include the A4988, DRV8833, and TB6612FNG. These alternatives offer similar functionalities for controlling DC motors and stepper motors, but specifications such as current handling and voltage range may vary. Always verify compatibility with your specific application requirements.
Features
The A4937KLPTR-A-T is a high-performance motor driver IC designed for driving bipolar stepper motors. Key features include:
1. Microstepping Capability: Supports various microstepping modes to enhance smoothness and precision in motor control.
2. Current Control: Incorporates adjustable current control to optimize performance and prevent motor overheating.
3. Integrated Protection: Features thermal shutdown, overcurrent protection, and undervoltage lockout to ensure safe operation.
4. High Voltage Range: Operates efficiently between 8V and 35V, making it suitable for a wide range of applications.
5. Flexible Interface: Offers easy interfacing with microcontrollers via step/direction control inputs.
6. Compact Package: Comes in a compact 28-pin HTQFP package, facilitating space-efficient designs.
7. Low Power Consumption: Designed for low quiescent current, enhancing energy efficiency in battery-operated devices.
This IC is ideal for applications in robotics, 3D printers, and automation systems where precise motor control is required.
1. Microstepping Capability: Supports various microstepping modes to enhance smoothness and precision in motor control.
2. Current Control: Incorporates adjustable current control to optimize performance and prevent motor overheating.
3. Integrated Protection: Features thermal shutdown, overcurrent protection, and undervoltage lockout to ensure safe operation.
4. High Voltage Range: Operates efficiently between 8V and 35V, making it suitable for a wide range of applications.
5. Flexible Interface: Offers easy interfacing with microcontrollers via step/direction control inputs.
6. Compact Package: Comes in a compact 28-pin HTQFP package, facilitating space-efficient designs.
7. Low Power Consumption: Designed for low quiescent current, enhancing energy efficiency in battery-operated devices.
This IC is ideal for applications in robotics, 3D printers, and automation systems where precise motor control is required.
Pinout
The A4937KLPTR-A-T is a motor driver IC with a total of 28 pins. It is designed for controlling bipolar stepper motors and can operate in full, half, and micro-stepping modes. The pin functions include:
1. Power Supply Pins: VBB (Power supply input) and GND (Ground).
2. Control Pins: STEP (Step input), DIR (Direction input), and EN (Enable input).
3. PWM Control: PWM frequency control pins for setting the drive current.
4. Microstepping Control: MS1, MS2, and MS3 pins to configure microstepping resolution.
5. Fault Detection: FAULT pin to indicate fault conditions.
6. Current Control: SENSE pins for current sensing and regulation.
7. Outputs: Outputs for driving the motor coils (A, B, etc.).
These features make the A4937KLPTR-A-T suitable for precise motor control applications in various devices.
1. Power Supply Pins: VBB (Power supply input) and GND (Ground).
2. Control Pins: STEP (Step input), DIR (Direction input), and EN (Enable input).
3. PWM Control: PWM frequency control pins for setting the drive current.
4. Microstepping Control: MS1, MS2, and MS3 pins to configure microstepping resolution.
5. Fault Detection: FAULT pin to indicate fault conditions.
6. Current Control: SENSE pins for current sensing and regulation.
7. Outputs: Outputs for driving the motor coils (A, B, etc.).
These features make the A4937KLPTR-A-T suitable for precise motor control applications in various devices.
Manufacturer
The A4937KLPTR-A-T is manufactured by Allegro MicroSystems, LLC. Allegro is a leading global manufacturer of semiconductor solutions, specializing in high-performance analog and mixed-signal integrated circuits (ICs) for various applications such as automotive, industrial, and consumer electronics.
The company focuses on developing innovative technologies for power management, sensing, and motor control. Allegro's products are widely used in electric vehicles, industrial automation, and personal electronics, highlighting their commitment to advancing electronic design and improving energy efficiency. Founded in 1990 and headquartered in Manchester, New Hampshire, Allegro MicroSystems has established itself as a key player in the semiconductor industry, emphasizing quality, reliability, and customer satisfaction in its product offerings.
The company focuses on developing innovative technologies for power management, sensing, and motor control. Allegro's products are widely used in electric vehicles, industrial automation, and personal electronics, highlighting their commitment to advancing electronic design and improving energy efficiency. Founded in 1990 and headquartered in Manchester, New Hampshire, Allegro MicroSystems has established itself as a key player in the semiconductor industry, emphasizing quality, reliability, and customer satisfaction in its product offerings.
Application
The A4937KLPTR-A-T is a microstepping motor driver used primarily in applications requiring precise control of stepper motors. Common application areas include 3D printers, CNC machines, robotics, automated manufacturing equipment, and medical devices. Its features, such as adjustable current control and thermal shutdown protection, make it suitable for enhancing the performance and efficiency of various motion control systems.
Package
The A4937KLPTR-A-T is packaged in a 28-pin HTSSOP (Thin Shrink Small Outline Package) with a thermal pad for improved heat dissipation.
