MAX16842ASA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX16842ASA+ belongs to the category of integrated circuits (ICs) specifically designed for LED lighting applications.

Use

This product is primarily used for driving high-brightness LEDs in various lighting systems, including automotive, architectural, and general illumination.

Characteristics

• The MAX16842ASA+ is a highly efficient LED driver that offers precise current regulation.
• It operates with a wide input voltage range, making it suitable for different power supply configurations.
• This IC incorporates advanced protection features such as overvoltage, overcurrent, and thermal shutdown, ensuring reliable operation and safeguarding the LEDs from damage.

Package

The MAX16842ASA+ is available in a small surface-mount package (SOIC-8), which facilitates easy integration into compact designs.

Essence

The essence of this product lies in its ability to provide efficient and reliable LED driving solutions, enabling optimal performance and longevity of LED lighting systems.

Packaging/Quantity

The MAX16842ASA+ is typically supplied in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1.5A
• Efficiency: Up to 97%
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX16842ASA+ features an 8-pin SOIC package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin for current regulation
4. EN: Enable pin for turning the device on/off
5. DIM: Dimming control input
6. VOUT: Output voltage
7. SW: Switch node connection
8. LX: Inductor connection

Functional Features

• Precise current regulation for consistent LED brightness
• Wide input voltage range for versatile power supply compatibility
• High efficiency to minimize power losses
• Dimming control options for flexible lighting control
• Advanced protection features for reliable operation and LED protection

Advantages and Disadvantages

Advantages

• Efficient and reliable LED driving solution
• Wide input voltage range allows for various power supply configurations
• Compact package for easy integration into designs
• Advanced protection features ensure safe operation

Disadvantages

• Limited output current range (up to 1.5A)
• Requires external components for complete LED driver implementation

Working Principles

The MAX16842ASA+ operates as a constant current LED driver. It regulates the current flowing through the LEDs by adjusting the duty cycle of an internal switch. This ensures that the LEDs receive a consistent and stable current, resulting in uniform brightness and extended lifespan.

Detailed Application Field Plans

The MAX16842ASA+ finds applications in various fields, including: - Automotive lighting systems - Architectural lighting - General illumination - Signage and display lighting

Detailed and Complete Alternative Models

• MAX16841ASA+: Similar to MAX16842ASA+, but with a lower output current range (up to 1A).
• MAX16843ASA+: Similar to MAX16842ASA+, but with a higher output current range (up to 2A).
• MAX16844ASA+: Similar to MAX16842ASA+, but with additional features such as fault detection and diagnostics.

These alternative models offer different output current capabilities and additional functionalities, providing flexibility for various LED lighting applications.

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