Maxim Integrated
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MAX16822AASA/V+T
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MAX16822AASA/V+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High Efficiency, Wide Input Voltage Range, Dimming Control
  • Package: 8-SOIC (Small Outline Integrated Circuit)
  • Essence: Power Management IC for LED Lighting Applications
  • Packaging/Quantity: Tape and 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: 200kHz to 2MHz
  • Dimming Control: Analog/PWM (Pulse Width Modulation)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX16822AASA/V+T has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin for turning on/off the device
  5. DIM: Dimming control input pin
  6. LX: Switching node pin
  7. VCC: Supply voltage pin
  8. COMP: Compensation pin for loop stability

Functional Features

  • High efficiency up to 95%
  • Wide input voltage range allows operation in various applications
  • Integrated dimming control for brightness adjustment
  • Internal compensation for simplified design
  • Overvoltage and overcurrent protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Wide input voltage range provides flexibility in application - Dimming control allows for adjustable brightness - Integrated protection features enhance reliability

Disadvantages: - Limited maximum output current of 1.5A - Requires external components for proper operation

Working Principles

The MAX16822AASA/V+T is a buck LED driver IC that converts a higher input voltage to a lower output voltage suitable for driving LEDs. It utilizes a high-frequency switching regulator to efficiently control the LED current. The dimming control feature allows for adjusting the brightness of the LEDs by varying the duty cycle of the PWM signal or applying an analog voltage to the DIM pin.

The device incorporates protection features such as overvoltage and overcurrent protection, ensuring safe operation under fault conditions. Additionally, thermal shutdown protection prevents the IC from overheating.

Detailed Application Field Plans

The MAX16822AASA/V+T is commonly used in various LED lighting applications, including:

  1. Automotive Lighting: Provides efficient and reliable LED driving for automotive headlights, taillights, and interior lighting.
  2. Industrial Lighting: Suitable for industrial lighting fixtures, such as high-bay lights and streetlights, where high efficiency and wide input voltage range are essential.
  3. Architectural Lighting: Enables efficient LED driving in architectural lighting installations, such as building facades, bridges, and monuments.
  4. Commercial Lighting: Ideal for commercial lighting applications, including retail stores, offices, and hotels, where adjustable brightness and energy efficiency are desired.

Detailed and Complete Alternative Models

  • MAX16822ATP/V+: 20-pin TQFN package, similar specifications and features
  • MAX16822BASA/V+T: 8-SOIC package, improved performance and additional features
  • MAX16822CASA/V+T: 8-SOIC package, optimized for specific LED lighting applications

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list of available options.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX16822AASA/V+T v technických řešeních

  1. What is the maximum input voltage for MAX16822AASA/V+T?
    - The maximum input voltage for MAX16822AASA/V+T is 40V.

  2. What is the typical operating frequency of MAX16822AASA/V+T?
    - The typical operating frequency of MAX16822AASA/V+T is 2.2MHz.

  3. Can MAX16822AASA/V+T be used in automotive lighting applications?
    - Yes, MAX16822AASA/V+T is suitable for automotive lighting applications.

  4. What is the maximum output current of MAX16822AASA/V+T?
    - The maximum output current of MAX16822AASA/V+T is 2A.

  5. Is MAX16822AASA/V+T compatible with dimming control?
    - Yes, MAX16822AASA/V+T supports analog and PWM dimming control.

  6. What is the thermal resistance of MAX16822AASA/V+T?
    - The thermal resistance of MAX16822AASA/V+T is 50°C/W.

  7. Can MAX16822AASA/V+T be used in LED backlighting applications?
    - Yes, MAX16822AASA/V+T is suitable for LED backlighting applications.

  8. What is the recommended input capacitor value for MAX16822AASA/V+T?
    - The recommended input capacitor value for MAX16822AASA/V+T is 10µF.

  9. Does MAX16822AASA/V+T have overvoltage protection?
    - Yes, MAX16822AASA/V+T features overvoltage protection.

  10. What is the operating temperature range of MAX16822AASA/V+T?
    - The operating temperature range of MAX16822AASA/V+T is -40°C to +125°C.