A8498SLJ-T

Name: A8498SLJ-T
Brand: Allegro MicroSystems
Rating: 4.5 (10 reviews)
Author: Lisleapex

Voltage regulator

4,695 Effective Inventory

A8498SLJ-T

Effective Inventory4,695

Voltage regulator

Manufacturer Part # : A8498SLJ-T
Package/Case: SOIC-8
Brand: Allegro MicroSystems
Product Categories : Voltage Regulators , DC DC Switching Regulators
Series : A8498

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Maintain the goods in their original condition as received.

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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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A8498SLJ-T DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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A8498SLJ-T Details

The A8498SLJ-T is a stepper motor driver IC designed for precise and efficient motor control in various applications. This driver offers microstepping capability, current regulation, and protection features to ensure reliable operation of stepper motors. It is housed in a compact package, making it suitable for space-constrained designs.

Pinout

1 (VDD): Power Supply Voltage
2 (GND): Ground
3 (A+): Motor Coil A Positive Terminal
4 (A-): Motor Coil A Negative Terminal
5 (B+): Motor Coil B Positive Terminal
6 (B-): Motor Coil B Negative Terminal
7 (MS1, MS2): Microstepping Configuration
8 (FAULT): Fault Indicator

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Microstepping Capability: Allows smooth and precise control of stepper motors.
Current Regulation: Ensures consistent motor current for optimal performance.
Overtemperature Protection: Protects the driver from overheating during operation.
Compact Design: Space-saving package for integration into compact systems.
Fault Detection: Provides indication of faults for easy troubleshooting.

Application

Robotics: Suitable for robotic systems requiring precise motor control.
CNC Machines: Used in CNC machines for accurate positioning and movement control.
3D Printers: Ideal for driving stepper motors in 3D printer applications.

Where to Use

The A8498SLJ-T is ideal for applications that demand precise and efficient stepper motor control, such as robotics, CNC machines, and 3D printers. It offers microstepping capability and current regulation for smooth and accurate motor movements.

How to Use

Connect the A8498SLJ-T to your stepper motor by wiring the motor coils to the A+/- and B+/- terminals. Configure the microstepping mode using MS1 and MS2 pins as needed. Provide power supply connections to VDD and GND. Monitor the FAULT pin for any indication of faults. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the A8498SLJ-T illustrates how to connect the stepper motor driver to your control system. It includes connections for motor coils, power supply, microstepping configuration, and fault indicator, ensuring proper and reliable motor control.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

DRV8825: A similar stepper motor driver with comparable features and performance.
TMC2208: An alternative driver IC offering advanced features for stepper motor control.

Complementary

The A8498SLJ-T can be complemented by the A8498SLJ-TR-T, which provides additional features such as extended temperature range and enhanced fault detection capabilities, suitable for demanding motor control applications.

When selecting complementary stepper motor driver ICs, ensure compatibility with your motor specifications and control requirements for optimal performance.

Frequently Asked Questions

Q: What is the microstepping resolution supported by the A8498SLJ-T?

A: The A8498SLJ-T supports microstepping resolutions up to 1/16 steps, allowing for smooth and precise motor movements. Refer to the datasheet for detailed configuration options.

Q: Can the A8498SLJ-T drive bipolar stepper motors?

A: Yes, the A8498SLJ-T is designed to drive bipolar stepper motors effectively, providing control over motor direction and speed. Ensure proper wiring and configuration for optimal performance.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

ECCN (US)	EAR99	Part Status !	Active
HTS	8542.39.00.01	SVHC	Yes
Automotive	No	PPAP	No
Type	Step Down	Output Type	Adjustable
Switching Regulator	Yes	Number of Outputs	1
Output Voltage (V)	0.8 to 24	Maximum Output Current (A)	3
Minimum Input Voltage (V)	8	Maximum Input Voltage (V)	50
Operating Supply Voltage (V)	8 to 50	Typical Quiescent Current (uA)	4400
Minimum Operating Temperature (°C)	-20	Maximum Operating Temperature (°C)	85
Packaging !	Tube	Mounting	Surface Mount
Package Height	1.55(Max)	Package Width	3.9
Package Length	4.9	PCB changed	8
Standard Package Name	SO	Supplier Package	SOIC N EP
Pin Count !	8	Lead Shape	Gull-wing

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification A8498SLJ-T PDF Download

FAQs

What is A8498SLJ-T?

The A8498SLJ-T is a dual-channel, low voltage, high-current gate driver designed by Allegro MicroSystems. It is ideal for driving power MOSFETs and IGBTs in automotive, industrial, and appliance applications.

How Does A8498SLJ-T Work?

The A8498SLJ-T works by receiving input control signals and providing high-current drive capability to the gates of power transistors. It features a high-speed, dual-channel architecture that enables efficient switching of power devices, allowing precise control of motor drives, solenoids, and other power electronics.

How Many Pins does A8498SLJ-T have and What are the Functions of the Pinout Configuration?

The A8498SLJ-T is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCP, VCPB: Charge pump input/output pins for high-side gate drive voltage.
OUTA, OUTB: Output pins for the two gate driver channels.
INA, INB: Input pins for the two gate driver channels.
VCC: Power supply pin for the logic circuitry.
VS: Bootstrap voltage supply pin for high-side gate drivers.
GND: Ground pin for the device.

What are the Pros and Cons of A8498SLJ-T?

Pros:

High Current Drive: Provides high-current capability for efficient switching of power MOSFETs and IGBTs.
Compact Package: The 16-pin SOIC package is space-efficient and suitable for compact designs.
Dual-Channel Architecture: Enables independent control of two power devices for increased application flexibility.
Internal Charge Pump: Includes an internal charge pump for generating high-side gate drive voltage.
Low Power Consumption: Operates with low power, suitable for energy-efficient applications.

Cons:

External Components: May require external diodes and bootstrap capacitors for proper operation.
Noisy Environments: Susceptible to noise in high-noise environments and may require proper layout and filtering.

Are There Any Equivalents/Alternatives to A8498SLJ-T for Recommendation?

The FAN7382 from Fairchild Semiconductor is a similar dual-channel gate driver offering.
Alternatives to the A8498SLJ-T include the IR2104 from Infineon Technologies and the MAX4427 from Maxim Integrated.

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