MAX16823ATE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Efficiency, Wide Input Voltage Range, Dimming Control
• Package: 16-TDFN (3x3mm)
• Essence: Power Management IC for driving high-brightness LEDs
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current: Up to 1.5A
• Switching Frequency: Adjustable up to 2MHz
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX16823ATE+T has a total of 16 pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. DIM: Dimming control input pin
5. FB: Feedback pin
6. BST: Boost capacitor connection pin
7. LX: Switch node pin
8. AGND: Analog ground pin
9. VCC: Supply voltage pin
10. PGND: Power ground pin
11. SS/TRISET: Soft-start/tri-set pin
12. CS: Current sense pin
13. RT: External resistor connection pin for setting switching frequency
14. PWM: PWM dimming input pin
15. SYNC: Synchronization input pin
16. COMP: Compensation pin

Functional Features

• High efficiency power conversion for driving high-brightness LEDs
• Wide input voltage range allows operation in various applications
• Adjustable switching frequency for optimal performance
• Analog or PWM dimming control for brightness adjustment
• Synchronization input for multi-device operation
• Soft-start feature for controlled startup

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption
• Wide input voltage range enables versatile application usage
• Dimming control allows flexibility in adjusting brightness levels
• Synchronization capability facilitates multi-device operation
• Soft-start feature prevents excessive inrush current during startup

Disadvantages

• Limited output current of up to 1.5A may not be suitable for high-power LED applications
• Requires external components for proper operation, increasing complexity

Working Principles

The MAX16823ATE+T is a power management IC designed specifically for driving high-brightness LEDs. It operates by converting the input voltage into a regulated current source for the LEDs. The device utilizes a boost converter topology to achieve high efficiency power conversion.

The input voltage range of 4.5V to 40V allows the MAX16823ATE+T to be used in a wide range of applications. The switching frequency can be adjusted to optimize performance based on specific requirements. The dimming control feature enables adjustment of the LED brightness using either analog or PWM signals.

The synchronization input allows multiple devices to operate together, ensuring coordinated LED lighting effects. The soft-start feature ensures a controlled startup, preventing excessive inrush current that could damage the LEDs or the driver circuitry.

Detailed Application Field Plans

The MAX16823ATE+T is suitable for various applications where high-brightness LED lighting is required. Some potential application fields include:

1. Automotive Lighting: LED headlights, taillights, and interior lighting systems.
2. Industrial Lighting: High-power LED fixtures for warehouses, factories, and outdoor areas.
3. Architectural Lighting: Accent lighting, façade illumination, and decorative lighting installations.
4. Display Backlighting: LED backlighting for LCD panels in televisions, monitors, and signage.
5. Street Lighting: Energy-efficient LED streetlights for urban and rural areas.

Detailed and Complete Alternative Models

1. MAX16823ATE/V+: Similar to MAX16823ATE+T, but available in a different package (16-TQFN).
2. MAX16823BTE+T: Enhanced version with higher output current capability (up to 3A).
3. MAX16823CTE+T: Lower cost variant with reduced features and performance specifications.

These alternative models provide options based on specific requirements, allowing flexibility in choosing the most suitable LED driver solution.

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