MAX16839ATT+

Product Overview

The MAX16839ATT+ belongs to the category of LED drivers. It is commonly used for driving high-brightness LEDs in automotive lighting applications. The characteristics of this product include its high efficiency, compact package, and integrated features such as overvoltage protection and thermal shutdown. The MAX16839ATT+ is available in a small 16-pin TQFN package and is designed to provide efficient and reliable LED driving solutions.

Package and Quantity

The MAX16839ATT+ is typically available in a 16-pin TQFN package.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: Up to 40V
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to +125°C
• Dimming Control: PWM and Analog

Detailed Pin Configuration

The detailed pin configuration of the MAX16839ATT+ is as follows:

| Pin Number | Pin Name | Description | |------------|--------------|--------------------------------------------------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | VOUT | Output voltage | | 4 | FB | Feedback input for current regulation | | 5 | EN | Enable input | | 6 | PWM/ADJ | Dimming control input (PWM or analog) | | 7 | RT | External resistor connection for oscillator | | 8 | SS/TRK | Soft-start/tracking input | | 9 | OVLO | Overvoltage lockout input | | 10 | OVP | Overvoltage protection input | | 11 | PGND | Power ground | | 12 | BST | Bootstrap capacitor connection | | 13 | LX | Switch node connection | | 14 | CS | Current sense input | | 15 | VDD | Supply voltage for internal circuitry | | 16 | AGND | Analog ground |

Functional Features

The MAX16839ATT+ offers the following functional features: - Integrated overvoltage protection and thermal shutdown for enhanced reliability - Wide input voltage range suitable for automotive applications - Dimming control through PWM or analog input - High efficiency operation for energy savings

Advantages and Disadvantages

Advantages

• Compact package design
• Integrated protection features
• Wide input voltage range
• Efficient LED driving solution

Disadvantages

• Limited maximum output current compared to some other LED drivers
• Requires careful consideration of external components for optimal performance

Working Principles

The MAX16839ATT+ operates by converting the input voltage to a regulated output voltage suitable for driving high-brightness LEDs. It utilizes a combination of control circuitry, feedback mechanisms, and protection features to ensure stable and efficient LED illumination.

Detailed Application Field Plans

The MAX16839ATT+ is well-suited for various automotive lighting applications, including: - Headlights - Daytime running lights - Fog lights - Interior lighting

Detailed and Complete Alternative Models

Some alternative models to the MAX16839ATT+ include: - MAX16834: Similar LED driver with different package and specifications - LT3952: LED driver with similar features and capabilities - LM3409: Alternative LED driver with comparable performance

In conclusion, the MAX16839ATT+ is a versatile LED driver designed for automotive lighting applications, offering a balance of efficiency, reliability, and integration. Its wide input voltage range and compact package make it an attractive choice for designers seeking efficient LED driving solutions in automotive lighting systems.

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