Maxim Integrated
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MAX16814CATP+
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MAX16814CATP+

Product Overview

  • Belongs to: Integrated Circuits (ICs)
  • Category: LED Drivers
  • Use: The MAX16814CATP+ is a high-voltage, current-mode, PWM controller for step-down (buck) high-brightness LED (HB LED) drivers.
  • Characteristics: It offers a wide input voltage range, high efficiency, and dimming control.
  • Package: TQFN-EP package
  • Essence: Efficiently drives high-brightness LEDs with precision current regulation.
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier.

Specifications

  • Input Voltage Range: 6.5V to 40V
  • Output Voltage Range: 0V to 36V
  • Operating Temperature Range: -40°C to +125°C
  • Switching Frequency: Adjustable up to 2MHz
  • Dimming Control: Analog/PWM dimming

Detailed Pin Configuration

The MAX16814CATP+ has a total of 20 pins. The detailed pin configuration includes power supply pins, feedback and control pins, and LED output pins.

Functional Features

  • High Efficiency: Provides efficient power conversion for driving HB LEDs.
  • Wide Input Voltage Range: Allows for flexibility in various applications.
  • Analog/PWM Dimming Control: Offers precise control over LED brightness.
  • Overvoltage and Overcurrent Protection: Ensures the safety and reliability of the LED driver.

Advantages and Disadvantages

  • Advantages:
    • High efficiency
    • Wide input voltage range
    • Precise dimming control
    • Built-in protection features
  • Disadvantages:
    • Higher cost compared to some non-integrated solutions
    • Requires careful PCB layout for optimal performance

Working Principles

The MAX16814CATP+ operates as a current-mode controller, regulating the LED current by adjusting the duty cycle of the internal PWM signal. It also incorporates overvoltage and overcurrent protection to safeguard the LED and the driver circuit.

Detailed Application Field Plans

The MAX16814CATP+ is suitable for various lighting applications, including automotive, industrial, and general illumination. It can be used in LED headlights, street lights, architectural lighting, and more. Its wide input voltage range makes it versatile for different design requirements.

Detailed and Complete Alternative Models

  • Alternative Model 1: MAX16834
    • Similar functionality with integrated MOSFET
    • Suitable for space-constrained designs
  • Alternative Model 2: LT3757
    • Offers high input voltage range
    • Supports synchronous rectification for improved efficiency

In conclusion, the MAX16814CATP+ is a versatile LED driver IC with a wide input voltage range, high efficiency, and precise dimming control. Its application spans across various industries, making it a valuable component for LED lighting designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX16814CATP+ v technických řešeních

  1. What is the MAX16814CATP+?

    • The MAX16814CATP+ is a high-voltage, current-mode, fixed-frequency LED driver IC designed for automotive lighting applications.

  2. What is the input voltage range of the MAX16814CATP+?

    • The input voltage range of the MAX16814CATP+ is 6V to 40V, making it suitable for automotive and industrial applications.

  3. What is the maximum output current of the MAX16814CATP+?

    • The MAX16814CATP+ can deliver a maximum output current of 1.5A, making it suitable for driving single or multiple LEDs in series.

  4. Does the MAX16814CATP+ support dimming functionality?

    • Yes, the MAX16814CATP+ supports both analog and PWM dimming, providing flexibility in controlling the brightness of the LEDs.

  5. What protection features does the MAX16814CATP+ offer?

    • The MAX16814CATP+ includes overvoltage protection (OVP), open/shorted LED protection, and thermal shutdown to ensure reliable operation and protect the LEDs.

  6. Can the MAX16814CATP+ be used for interior lighting applications?

    • Yes, the MAX16814CATP+ can be used for interior lighting applications in automotive and industrial settings, providing efficient and reliable LED driving solutions.

  7. What is the typical efficiency of the MAX16814CATP+?

    • The typical efficiency of the MAX16814CATP+ is high, often exceeding 90%, which helps minimize power loss and maximize energy savings.

  8. Is the MAX16814CATP+ compatible with both buck and boost configurations?

    • Yes, the MAX16814CATP+ is compatible with both buck and boost configurations, offering versatility in LED driver design.

  9. What type of package does the MAX16814CATP+ come in?

    • The MAX16814CATP+ is available in a compact, thermally enhanced TQFN package, which facilitates easy integration into space-constrained designs.

  10. Are there any application notes or reference designs available for the MAX16814CATP+?

    • Yes, Maxim Integrated provides comprehensive application notes and reference designs to assist engineers in implementing the MAX16814CATP+ effectively in their technical solutions.