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MAX16814ATP/V+T
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MAX16814ATP/V+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High Efficiency, Wide Input Voltage Range, Dimming Control
  • Package: 20-pin TQFN
  • 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 Current: Up to 1.5A
  • Switching Frequency: 200kHz to 2MHz
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX16814ATP/V+T has a total of 20 pins. The pin configuration is as follows:

  1. VIN: Input voltage
  2. GND: Ground
  3. VCC: Supply voltage
  4. EN: Enable control
  5. DIM: Dimming control input
  6. FB: Feedback voltage
  7. CS: Current sense input
  8. AGND: Analog ground
  9. LX: Switch node connection
  10. SW: Switch node connection
  11. PGND: Power ground
  12. VOUT: Output voltage
  13. VREF: Reference voltage
  14. SS: Soft-start capacitor connection
  15. RT: External resistor connection
  16. CT: External capacitor connection
  17. PWM: Pulse-width modulation output
  18. ADJ: Adjustable output voltage
  19. UVLO: Undervoltage lockout
  20. OVP: Overvoltage protection

Functional Features

  • High efficiency power conversion
  • Wide input voltage range for versatile applications
  • Dimming control options for brightness adjustment
  • Overvoltage and undervoltage protection
  • Soft-start for smooth power-up
  • Adjustable output voltage

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows compatibility with various power sources
  • Dimming control enables brightness adjustment as per requirements
  • Overvoltage and undervoltage protection ensure safe operation
  • Soft-start feature prevents inrush current during startup
  • Adjustable output voltage provides flexibility in design

Disadvantages

  • Limited maximum output current of 1.5A may not be suitable for high-power LED applications
  • Requires external components for proper operation, increasing complexity

Working Principles

The MAX16814ATP/V+T is a power management IC specifically designed for LED lighting applications. It efficiently converts the input voltage to a regulated output voltage suitable for driving LEDs. The IC incorporates a switching regulator that operates at a high frequency, resulting in high efficiency power conversion.

The dimming control feature allows the user to adjust the brightness of the LEDs using either analog or pulse-width modulation (PWM) signals. This enables precise control over the light output.

The IC also includes overvoltage and undervoltage protection mechanisms to safeguard the LEDs and the driver circuitry from potential damage. Soft-start functionality ensures a gradual increase in output voltage during startup, preventing excessive inrush current.

Detailed Application Field Plans

The MAX16814ATP/V+T is widely used in various LED lighting applications, including:

  1. Automotive lighting systems
  2. Architectural lighting
  3. Industrial lighting
  4. Street lighting
  5. Signage and display lighting
  6. Residential and commercial lighting

Its high efficiency, wide input voltage range, and dimming control make it suitable for a broad range of lighting scenarios.

Detailed and Complete Alternative Models

  1. MAX16814ATP/V: Similar to MAX16814ATP/V+T, but without tape and reel packaging
  2. MAX16814ATP: Similar to MAX16814ATP/V+T, but without temperature range specification

These alternative models offer similar functionality and can be considered as substitutes for the MAX16814ATP/V+T depending on specific requirements.

In conclusion, the MAX16814ATP/V+T is a versatile LED driver IC with high efficiency, wide input voltage range, and dimming control capabilities. It offers various advantages such as energy savings, flexibility in design, and protection features. Its applications span across automotive, architectural, industrial, street, signage, and residential/commercial lighting. Alternative models are available to suit different needs.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MAX16814ATP/V+T dalam penyelesaian teknikal

  1. What is the maximum input voltage for MAX16814ATP/V+T?
    - The maximum input voltage for MAX16814ATP/V+T is 28V.

  2. What is the typical operating frequency of MAX16814ATP/V+T?
    - The typical operating frequency of MAX16814ATP/V+T is 2.2MHz.

  3. Can MAX16814ATP/V+T be used for automotive lighting applications?
    - Yes, MAX16814ATP/V+T is suitable for automotive lighting applications.

  4. What is the maximum output current of MAX16814ATP/V+T?
    - The maximum output current of MAX16814ATP/V+T is 1.5A.

  5. Is MAX16814ATP/V+T compatible with dimming control?
    - Yes, MAX16814ATP/V+T supports analog and PWM dimming control.

  6. What is the thermal resistance of MAX16814ATP/V+T?
    - The thermal resistance of MAX16814ATP/V+T is 40°C/W.

  7. Can MAX16814ATP/V+T be used in LED backlighting applications?
    - Yes, MAX16814ATP/V+T is suitable for LED backlighting applications.

  8. What is the recommended input capacitor value for MAX16814ATP/V+T?
    - The recommended input capacitor value for MAX16814ATP/V+T is 10µF.

  9. Does MAX16814ATP/V+T have overvoltage protection?
    - Yes, MAX16814ATP/V+T features overvoltage protection.

  10. What is the operating temperature range of MAX16814ATP/V+T?
    - The operating temperature range of MAX16814ATP/V+T is -40°C to +125°C.