MAX16834AUP+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Efficiency, Wide Input Voltage Range, Dimming Control
• Package: 20-TSSOP (Thin Shrink Small Outline Package)
• Essence: Power Management IC for LED Lighting Applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: Up to 40V
• Maximum Output Current: 1.5A
• Switching Frequency: Adjustable up to 2MHz
• Dimming Control: Analog/PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +125°C
• Protection Features: Overvoltage Protection, Overcurrent Protection, Thermal Shutdown

Pin Configuration

The MAX16834AUP+T has a 20-pin TSSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. EN: Enable Pin
5. DIM: Dimming Control Input
6. VCC: Supply Voltage for Internal Circuitry
7. LX: Switch Node Connection
8. SW: Switch Node Connection
9. BST: Bootstrap Capacitor Connection
10. AGND: Analog Ground
11. PGND: Power 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

Functional Features

• High Efficiency: The MAX16834AUP+T offers high efficiency power conversion, reducing energy losses in LED lighting applications.
• Wide Input Voltage Range: It can operate with input voltages ranging from 4.5V to 40V, providing flexibility in various lighting systems.
• Dimming Control: The IC supports both analog and PWM dimming control methods, allowing precise brightness adjustment.
• Protection Features: It includes overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation.

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings. - Wide input voltage range provides versatility. - Dimming control allows for customized lighting levels. - Protection features enhance safety.

Disadvantages: - Limited maximum output current of 1.5A may not be suitable for high-power LED applications. - TSSOP package may require careful handling during assembly.

Working Principles

The MAX16834AUP+T is a step-down (buck) LED driver IC that converts a higher input voltage to a lower output voltage suitable for driving LEDs. It utilizes a switching regulator topology to achieve high efficiency power conversion. The dimming control input adjusts the duty cycle of the internal switch, controlling the average output current and thus the brightness of the LEDs. The IC also incorporates protection features to safeguard against voltage spikes, excessive current, and overheating.

Application Field Plans

The MAX16834AUP+T is commonly used in various LED lighting applications, including:

1. Automotive Lighting: Provides efficient and controllable power supply for automotive headlights, taillights, and interior lighting.
2. Architectural Lighting: Enables dimmable LED fixtures for accent lighting, wall washing, and decorative purposes.
3. Industrial Lighting: Suitable for high-bay lighting, street lighting, and warehouse illumination, offering energy-efficient solutions.
4. Residential Lighting: Supports dimmable LED bulbs, downlights, and track lighting for homes, providing customizable lighting options.

Alternative Models

• MAX16834AAT+: Similar to MAX16834AUP+T but in a 16-pin TQFN package.
• MAX16834BETE+: A variant with higher maximum output current of 3A, suitable for more demanding LED applications.
• MAX16834CETE+: Offers additional features like fault detection and protection, enhancing system reliability.

(Note: The above alternative models are suggestions and may not cover all available options.)

This entry provides an overview of the MAX16834AUP+T LED driver IC, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.