MAX16806ATP+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX16806ATP+ belongs to the category of integrated circuits (ICs) specifically designed for 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 MAX16806ATP+ offers a high level of integration, combining a step-up DC-DC converter and an LED driver in a single package.
• It provides efficient power conversion and precise current regulation, ensuring optimal performance of the connected LEDs.
• This IC supports both analog and PWM dimming techniques, allowing for flexible control of the LED brightness.
• It incorporates various protection features such as thermal shutdown, overvoltage protection, and open/short LED detection, enhancing system reliability.

Package

The MAX16806ATP+ is available in a compact 20-pin TQFN package, which facilitates easy integration into space-constrained designs.

Essence

The essence of the MAX16806ATP+ lies in its ability to efficiently drive high-brightness LEDs while providing advanced control and protection features within a single integrated circuit.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: Up to 40V
• Maximum Output Current: 1.2A
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX16806ATP+ features a 20-pin TQFN package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback voltage input
4. EN: Enable pin
5. DIM: Dimming control input
6. VCC: Supply voltage for internal circuitry
7. LX: Inductor connection
8. SW: Switching node connection
9. BST: Boost capacitor connection
10. PGND: Power ground
11. AGND: Analog ground
12. OVP: Overvoltage protection input
13. CS: Current sense input
14. LED1-LED4: LED current outputs
15. LED5-LED8: LED current outputs
16. LED9-LED12: LED current outputs
17. LED13-LED16: LED current outputs
18. LED17-LED20: LED current outputs
19. NC: No connection
20. NC: No connection

Functional Features

The MAX16806ATP+ offers the following functional features:

• High-efficiency step-up DC-DC converter for driving high-brightness LEDs
• Precise current regulation for optimal LED performance
• Support for both analog and PWM dimming techniques
• Integrated protection features for enhanced system reliability
• Wide input voltage range for versatile applications
• Compact package for easy integration into space-constrained designs

Advantages and Disadvantages

Advantages

• High level of integration reduces component count and simplifies design.
• Efficient power conversion minimizes energy losses.
• Flexible dimming control options allow for customized lighting effects.
• Advanced protection features enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power LED applications.
• The 20-pin TQFN package may require careful PCB layout considerations.

Working Principles

The MAX16806ATP+ operates by converting the input voltage to a higher voltage required for driving high-brightness LEDs. It utilizes a step-up DC-DC converter topology to efficiently boost the voltage while regulating the LED current. The dimming control input allows for adjusting the LED brightness using either analog or PWM signals. The integrated protection features ensure safe operation by monitoring various parameters and responding to fault conditions.

Detailed Application Field Plans

The MAX16806ATP+ finds applications 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
   • Industrial lighting

Detailed and Complete Alternative Models

• MAX16806ATP/V+: Similar to MAX16806ATP+, but with extended temperature range (-40°C to +150°C).
• MAX16806BTP+: Higher maximum output current version (up to 2A) of MAX16806ATP+.
• MAX16806CTP+: Lower maximum output current version (up to 600mA) of MAX16806ATP+.

These alternative models provide options based on specific application requirements, temperature range, and output