A4911KJPTR-T

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A4911KJPTR-T

IC MOTOR DRVR MULTIPHASE 48LQFP

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Spécifications

Part Status Active
Motor Type - Stepper Multiphase
Motor Type - AC, DC Brushless DC (BLDC)
Function Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (3)
Interface SPI
Technology NMOS
Operating Temperature -40°C ~ 150°C
Mounting Type Surface Mount
Package / Case 48-LQFP Exposed Pad
Supplier Device Package 48-LQFP-EP (7x7)
Base Product Number A4911
Grade Automotive

Vue d'ensemble

Description

A4911KJPTR-T is a high-performance, low-voltage, dual H-bridge motor driver IC designed to control brushed DC motors and stepper motors. It features a wide operating voltage range, typically from 2.7V to 10.8V, making it suitable for battery-powered applications. The device is capable of delivering high current (up to 1.2A per channel) and includes built-in protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout.
The A4911KJPTR-T supports PWM (Pulse Width Modulation) for speed control and direction control through simple input signals. This makes it versatile for various robotics and automation applications, including toys, printers, and robotic arms.
The IC is packaged in a compact 28-pin TSSOP form factor, which helps save space in circuit design. Additionally, it has an efficient layout to minimize electromagnetic interference (EMI) and improve overall performance. Overall, the A4911KJPTR-T is an efficient and reliable solution for motor control applications.

Features

The A4911KJPTR-T is a high-performance integrated circuit designed for motor control applications, particularly for brushless DC (BLDC) motors and stepper motors. Key features include:
- Dual H-Bridge Configuration: Allows for control of two DC motors or one bipolar stepper motor.
- Current Sensing: Built-in current sensing capabilities to monitor and manage motor current.
- PWM Control: Supports pulse-width modulation (PWM) for efficient speed control and improved power management.
- Temperature Protection: Integrated thermal shutdown feature to prevent overheating.
- Wide Supply Voltage Range: Operates typically from 8V to 50V, accommodating various applications.
- Compact Package: Available in a small surface-mount package (HTSSOP-28), saving PCB space.
- Fault Detection: Provides fault detection outputs, enhancing reliability in motor operations.
The A4911KJPTR-T is ideal for robotics, automotive applications, and other systems requiring precise motor control.

Package

The A4911KJPTR-T is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package), which is designed for surface-mount applications, providing a compact footprint for efficient PCB layout and thermal performance.

Pinout

The A4911KJPTR-T is a high-performance motor driver IC with a total of 28 pins. It is designed primarily for driving stepper motors in various applications. The key functions of its pins include:
1. Power Supply Pins: Pins for VBB and GND to connect to the power supply.
2. Motor Control Pins: Pins for enabling, direction control, and stepping control.
3. Microstepping Control: Pins that allow selection of microstepping settings.
4. Fault Detection: Pins for monitoring fault conditions.
5. PWM Control: Pins for controlling PWM for driving the motor efficiently.
6. Logic Control: Pins for interfacing with microcontrollers or other logic devices.
The A4911KJPTR-T is commonly used in applications like printers, CNC machines, and robotics due to its ability to provide precise motor control.

Manufacturer

The A4911KJPTR-T is manufactured by Allegro MicroSystems, LLC. Allegro is a semiconductor company that specializes in developing and manufacturing integrated circuits (ICs) for various applications, including automotive, industrial, and consumer markets. They are known for their expertise in power management, motor drivers, and magnetic sensing technologies. Allegro focuses on providing innovative solutions that enhance performance and energy efficiency in electronic systems. The company is headquartered in Manchester, New Hampshire, and has a global presence, serving a diverse range of industries.

Application

The A4911KJPTR-T is a high-performance motor driver IC primarily used in applications such as stepper motors, brushless DC motors, and robotic systems. It is suitable for use in printers, 3D printers, CNC machines, and automation equipment, where precise control of motor speed and position is essential. The IC is designed to facilitate efficient power management and smooth operation in various industrial and consumer electronic devices.

Equivalent

The A4911KJPTR-T is a stepper motor driver. Equivalent products include the DRV8825 from Texas Instruments, the A4988 also from Allegro MicroSystems, and the L298N from STMicroelectronics. Each offers similar functionalities for driving bipolar stepper motors, but may differ in specifications like current handling, voltage ratings, and control methods. Always check datasheets for specific requirements and compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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