MAX16840ATB+TQR

Product Overview

Category

The MAX16840ATB+TQR 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, industrial, and general lighting applications.

Characteristics

• High efficiency: The MAX16840ATB+TQR offers high-efficiency LED driving, resulting in reduced power consumption and improved energy efficiency.
• Wide input voltage range: It can operate with a wide input voltage range, making it suitable for different power supply configurations.
• Dimming control: This IC provides flexible dimming control options, allowing precise adjustment of LED brightness.
• Protection features: It incorporates various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown, ensuring safe operation and preventing damage to the LEDs and the IC itself.

Package

The MAX16840ATB+TQR comes in a compact and industry-standard Thin QFN package, which facilitates easy integration into various lighting system designs.

Essence

The essence of the MAX16840ATB+TQR lies in its ability to efficiently drive high-brightness LEDs while providing advanced dimming control and protection features.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1.5A
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C
• Package Type: Thin QFN

Detailed Pin Configuration

The MAX16840ATB+TQR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. DIM: Dimming control pin
5. FB: Feedback pin
6. VOUT: Output voltage pin
7. CS: Current sense pin
8. PGND: Power ground pin

Functional Features

• High-efficiency LED driving
• Wide input voltage range for versatile applications
• Flexible dimming control options
• Advanced protection features for safe operation

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows for flexible power supply configurations
• Precise dimming control enables customized lighting effects
• Protection features ensure safe operation and prevent damage to LEDs and the IC

Disadvantages

• Limited output current range may not be suitable for high-power LED applications
• Requires additional external components for complete LED driver implementation

Working Principles

The MAX16840ATB+TQR operates as a constant current LED driver. It regulates the LED current by adjusting the duty cycle of the internal switching regulator based on the feedback received from the LED string. This ensures consistent and stable LED brightness even with varying input voltages.

Detailed Application Field Plans

The MAX16840ATB+TQR finds extensive application in various fields, including:

1. Automotive Lighting: Used for driving LEDs in automotive headlights, taillights, and interior lighting systems.
2. Industrial Lighting: Suitable for industrial lighting fixtures, such as high-bay lights and streetlights.
3. General Lighting: Can be employed in residential and commercial lighting applications, including downlights, track lights, and panel lights.

Detailed and Complete Alternative Models

1. MAX16841ATB+TQR: Similar to MAX16840ATB+TQR but with higher output current capability (up to 3A).
2. MAX16842ATB+TQR: Offers additional features like integrated fault protection and diagnostics.
3. MAX16843ATB+TQR: Designed for applications requiring multiple LED strings with individual dimming control.

These alternative models provide options with varying specifications and features to cater to different application requirements.

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