MAX16823AUE/V+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX16823AUE/V+ belongs to the category of integrated circuits (ICs) specifically designed for LED lighting applications.

Use

This product is primarily used for driving and controlling LEDs in various lighting systems, including automotive, industrial, and general lighting applications.

Characteristics

• The MAX16823AUE/V+ is a high-efficiency, synchronous step-down constant current LED driver.
• It operates with a wide input voltage range, making it suitable for different power supply configurations.
• This IC offers precise current regulation, ensuring consistent brightness and color accuracy of the LEDs.
• It incorporates advanced protection features such as overvoltage, overcurrent, and thermal shutdown, enhancing the reliability of the LED system.
• The device supports both analog and PWM dimming control methods, providing flexibility in adjusting the LED brightness.
• It is available in a small, space-saving package, allowing for easy integration into compact lighting designs.

Package and Quantity

The MAX16823AUE/V+ is available in a 16-pin TSSOP (Thin Shrink Small Outline Package). It is typically sold 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
• Package Type: 16-pin TSSOP

Detailed Pin Configuration

The MAX16823AUE/V+ features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for current regulation
4. EN: Enable pin for turning the device on/off
5. DIM: Dimming control pin (analog or PWM)
6. VCC: Supply voltage for internal circuitry
7. AGND: Analog ground pin
8. PGND: Power ground pin
9. LX: Switching node for the high-side MOSFET
10. SW: Switching node for the low-side MOSFET
11. BST: Bootstrap capacitor connection
12. SS: Soft-start capacitor connection
13. OCSET: Overcurrent protection threshold setting
14. OVP: Overvoltage protection threshold setting
15. TSD: Thermal shutdown pin
16. VOUT: Output voltage pin

Functional Features

• High-efficiency synchronous step-down LED driver
• Wide input voltage range for versatile power supply compatibility
• Precise current regulation for consistent LED brightness and color accuracy
• Advanced protection features for enhanced system reliability
• Support for both analog and PWM dimming control methods
• Compact package for easy integration into space-constrained designs

Advantages and Disadvantages

Advantages

• High efficiency, leading to energy savings in LED lighting systems.
• Wide input voltage range allows for flexibility in power supply selection.
• Precise current regulation ensures consistent LED performance.
• Advanced protection features enhance system reliability and longevity.
• Support for multiple dimming control methods provides versatility in lighting applications.
• Compact package enables easy integration into various designs.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Requires external components for proper operation, increasing overall system complexity.

Working Principles

The MAX16823AUE/V+ operates as a synchronous step-down converter to drive LEDs with a constant current. It utilizes a high-side and low-side MOSFET to regulate the LED current based on the feedback received from the FB pin. The device employs a pulse-width modulation (PWM) technique to adjust the duty cycle and control the LED brightness. The integrated protection features ensure safe operation by monitoring voltage, current, and temperature conditions.

Detailed Application Field Plans

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

1. Automotive Lighting: Used for headlights, taillights, turn signals, and interior lighting in vehicles.
2. Industrial Lighting: Suitable for high-bay lighting, street lighting, and warehouse illumination.
3. General Lighting: Applied in residential, commercial, and architectural lighting fixtures.

Detailed and Complete Alternative Models

1. MAX16823BUE/V+: Similar to MAX16823AUE/V+, but with a higher output current range of up to 3A.
2. MAX16823CUE/V+: Enhanced version with additional features such as fault detection and diagnostic capabilities.
3. MAX16823DUE/V+: Ultra-low quiescent current variant for power-sensitive applications.

These alternative models offer similar functionality to the MAX16823AUE/V+ but cater to different requirements and specifications.

In conclusion, the MAX16823AUE/V+ is a highly efficient