MAX16826AGJ/VY+T

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX16826AGJ/VY+T is a high-brightness LED driver designed for automotive lighting applications. It provides a compact and efficient solution for driving multiple LEDs in series or parallel configurations.

Characteristics: - High efficiency - Wide input voltage range - Adjustable output current - Overvoltage protection - Thermal shutdown protection

Package: The MAX16826AGJ/VY+T is available in a 32-pin TQFN package, which offers excellent thermal performance and compact size.

Essence: This LED driver integrates a boost converter and a current regulator to efficiently drive LEDs with constant current. It ensures stable and reliable operation of the LEDs while maximizing energy efficiency.

Packaging/Quantity: The MAX16826AGJ/VY+T is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1.5A
• Switching Frequency: 200kHz to 2MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX16826AGJ/VY+T features a 32-pin TQFN package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin
4. FB: Feedback pin
5. CS: Current sense pin
6. DIM: Dimming control pin
7. VOUT: Output voltage
8. SW: Switch node
9. BST: Boost capacitor connection
10. PGND: Power ground
11. AGND: Analog ground
12. NC: No connect
13. NC: No connect
14. NC: No connect
15. NC: No connect
16. NC: No connect
17. NC: No connect
18. NC: No connect
19. NC: No connect
20. NC: No connect
21. NC: No connect
22. NC: No connect
23. NC: No connect
24. NC: No connect
25. NC: No connect
26. NC: No connect
27. NC: No connect
28. NC: No connect
29. NC: No connect
30. NC: No connect
31. NC: No connect
32. NC: No connect

Functional Features

• High-efficiency boost converter for driving LEDs with constant current
• Adjustable output current through external resistor
• Dimming control for brightness adjustment
• Overvoltage protection to safeguard the LEDs
• Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range allows for versatile applications - Compact package size for space-constrained designs - Overvoltage and thermal protection enhance reliability

Disadvantages: - Limited maximum output current of 1.5A may not be suitable for high-power LED applications - Requires external components for operation, increasing complexity

Working Principles

The MAX16826AGJ/VY+T operates by converting the input voltage to a higher voltage using a boost converter. The boosted voltage is then regulated to provide a constant current to drive the connected LEDs. The output current can be adjusted through an external resistor, allowing for flexibility in LED brightness control. The driver also includes protection features such as overvoltage and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The MAX16826AGJ/VY+T is primarily designed for automotive lighting applications, including:

1. Headlights
2. Daytime running lights (DRL)
3. Fog lights
4. Tail lights
5. Interior lighting

Its high efficiency, wide input voltage range, and compact package make it suitable for various automotive lighting designs.

Detailed and Complete Alternative Models

1. MAX16826AGJ/VY: Similar to the MAX16826AGJ/VY+T but without the tape and reel packaging.
2. MAX16826AGJ/VY+T-ND: Same as the MAX16826AGJ/VY+T but available in a different package option.
3. MAX16826AGJ/VY+T-TR: Same as the MAX16826AGJ/VY+T but available in a tube packaging option.

These alternative models offer similar functionality and can be considered as substitutes for the MAX16826AGJ/VY+T depending on specific requirements and availability.