Meixin Integrated
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MAX1686HEUA+T
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MAX1686HEUA+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED driver for automotive lighting applications
  • Characteristics: High efficiency, compact package, wide input voltage range
  • Package: 8-pin µMAX package
  • Essence: Efficiently drives high-brightness LEDs in automotive lighting systems
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 5.5V to 28V
  • Output Voltage Range: Up to 40V
  • Switching Frequency: 330kHz
  • Operating Temperature Range: -40°C to +125°C
  • Dimming Control: Analog/PWM dimming control

Detailed Pin Configuration

  1. GND
  2. VDD
  3. FB
  4. RT
  5. CT
  6. EN/DIM
  7. LX
  8. SW

Functional Features

  • Wide input voltage range allows for use in various automotive lighting systems
  • High efficiency and integrated MOSFET minimize external component count
  • Overvoltage and overcurrent protection for enhanced reliability
  • Analog or PWM dimming control for flexible brightness adjustment

Advantages and Disadvantages

Advantages

  • Compact package suitable for space-constrained automotive applications
  • Wide input voltage range enables compatibility with different vehicle electrical systems
  • High efficiency reduces power dissipation and thermal management requirements

Disadvantages

  • Limited output current compared to some other LED driver ICs
  • Analog dimming control may require additional external components for precise control

Working Principles

The MAX1686HEUA+T is a step-up constant-current LED driver designed for automotive lighting applications. It operates by converting the input voltage to a higher output voltage required to drive high-brightness LEDs. The device regulates the LED current to maintain consistent brightness, while offering dimming control options for flexibility.

Detailed Application Field Plans

The MAX1686HEUA+T is ideally suited for various automotive lighting applications, including: - Headlights - Daytime running lights - Tail lights - Interior lighting

Detailed and Complete Alternative Models

  1. MAX16834: High-voltage, high-brightness LED driver with integrated MOSFET
  2. LT3956: Automotive LED controller with integrated buck-boost DC/DC converter
  3. LM3409: Constant-current buck LED driver with wide input voltage range

In conclusion, the MAX1686HEUA+T offers a compact and efficient solution for driving high-brightness LEDs in automotive lighting systems. Its wide input voltage range, integrated features, and dimming control options make it a versatile choice for various lighting applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1686HEUA+T in technische oplossingen

  1. What is the MAX1686HEUA+T?

    • The MAX1686HEUA+T is a high-efficiency, step-up LED driver with an integrated MOSFET for driving LEDs in series.

  2. What is the input voltage range of the MAX1686HEUA+T?

    • The input voltage range of the MAX1686HEUA+T is 4.5V to 28V.

  3. What is the maximum output current of the MAX1686HEUA+T?

    • The MAX1686HEUA+T can deliver a maximum output current of 350mA.

  4. What is the typical efficiency of the MAX1686HEUA+T?

    • The typical efficiency of the MAX1686HEUA+T is around 90%.

  5. What is the operating frequency of the MAX1686HEUA+T?

    • The operating frequency of the MAX1686HEUA+T is typically 300kHz.

  6. Does the MAX1686HEUA+T have over-temperature protection?

    • Yes, the MAX1686HEUA+T features over-temperature protection to ensure safe operation.

  7. Can the MAX1686HEUA+T be used for automotive applications?

    • Yes, the MAX1686HEUA+T is suitable for automotive applications due to its wide input voltage range and robust design.

  8. What type of package does the MAX1686HEUA+T come in?

    • The MAX1686HEUA+T is available in a 8-pin µMAX package.

  9. Is the MAX1686HEUA+T suitable for dimming LED lights?

    • Yes, the MAX1686HEUA+T supports PWM dimming for LED lights.

  10. What are some typical applications for the MAX1686HEUA+T?

    • Typical applications for the MAX1686HEUA+T include automotive lighting, LED backlighting, and general LED driver solutions.