MAX16823AUE+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX16823AUE+ 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 MAX16823AUE+ 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 thermal shutdown and overvoltage protection.
• It supports both analog and PWM dimming techniques, providing flexibility in controlling LED brightness.

Package

The MAX16823AUE+ is available in a small 16-pin TSSOP package, which ensures ease of integration into compact designs.

Essence

The essence of the MAX16823AUE+ lies in its ability to efficiently drive high-brightness LEDs while offering precise current regulation and advanced protection features.

Packaging/Quantity

This product 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
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C
• Efficiency: Up to 95%
• Protection Features: Thermal Shutdown, Overvoltage Protection

Detailed Pin Configuration

The MAX16823AUE+ features a 16-pin TSSOP 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 device control
5. DIM: Dimming control input
6. PWM: Pulse-width modulation control input
7. VDD: Power supply for internal circuitry
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Precise current regulation for driving high-brightness LEDs.
• Wide input voltage range allows compatibility with various power supply configurations.
• Supports both analog and PWM dimming techniques for flexible brightness control.
• Advanced protection features, including thermal shutdown and overvoltage protection, ensure safe operation.

Advantages and Disadvantages

Advantages

• High efficiency, resulting in reduced power consumption.
• Compact package size enables integration into space-constrained designs.
• Wide input voltage range provides versatility in different applications.
• Advanced protection features enhance reliability and safety.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Lack of pin configuration options limits customization possibilities.

Working Principles

The MAX16823AUE+ operates as a constant current LED driver. It regulates the LED current by adjusting the feedback voltage using an internal control loop. The input voltage is converted to a regulated current source, ensuring consistent brightness across the LED load. The device supports both analog and PWM dimming techniques, allowing precise control over the LED brightness.

Detailed Application Field Plans

The MAX16823AUE+ finds extensive application in various lighting systems, including:

1. Automotive Lighting:

   • Headlights
   • Daytime running lights (DRL)
   • Interior lighting

2. Architectural Lighting:

   • Accent lighting
   • Façade lighting
   • Landscape lighting

3. General Illumination:

   • Residential lighting
   • Commercial lighting
   • Street lighting

Detailed and Complete Alternative Models

1. MAX16823AUE/V+: Similar to the MAX16823AUE+, but with extended temperature range (-40°C to +150°C).
2. MAX16823BUE+: Higher output current version, capable of driving LEDs up to 3A.
3. MAX16823CUE+: Enhanced protection features, including short-circuit protection and LED open/short detection.

These alternative models offer additional options for different application requirements and operating conditions.

In conclusion, the MAX16823AUE+ is a highly efficient LED driver IC designed for various lighting applications. Its precise current regulation, wide input voltage range, and advanced protection features make it a reliable choice for driving high-brightness LEDs. With its compact package size and support for analog and PWM dimming, it offers flexibility in controlling LED brightness. However, it has limitations in terms of output current range and pin configuration options. Overall, the MAX16823AUE+ is a versatile solution for achieving efficient and controlled LED lighting.