Meixin Integrated
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MAX1688EUE+T
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MAX1688EUE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 16-TSSOP
  • Essence: Boost Converter
  • Packaging/Quantity: Tape & Reel, 2500 pieces per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: Up to 40V
  • Maximum Output Current: 1A
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1688EUE+T has a total of 16 pins. The pin configuration is as follows:

  1. VCC: Power Supply Input
  2. GND: Ground
  3. FB: Feedback Pin for Output Voltage Regulation
  4. EN: Enable Pin for On/Off Control
  5. SS/TRI: Soft-Start/Current Limit Programming Pin
  6. LX: Switch Node Connection
  7. BST: Boost Capacitor Connection
  8. COMP: Compensation Pin for Loop Stability
  9. AGND: Analog Ground
  10. PGND: Power Ground
  11. ISET: Current Sense and Programming Pin
  12. VREF: Reference Voltage Output
  13. SYNC: Synchronization Input
  14. RT: External Resistor for Oscillator Frequency Setting
  15. CT: External Capacitor for Oscillator Frequency Setting
  16. VIN: Input Voltage

Functional Features

  • High Efficiency: The MAX1688EUE+T utilizes a high-efficiency boost converter design, ensuring minimal power loss during operation.
  • Low Power Consumption: With its low quiescent current and shutdown mode, the IC minimizes power consumption when not in use.
  • Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 28V, making it suitable for various applications.
  • Output Voltage Regulation: The feedback pin (FB) allows precise regulation of the output voltage, ensuring stable and accurate LED driving.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and heat generation. - Wide input voltage range enables versatile application possibilities. - Precise output voltage regulation ensures consistent LED performance.

Disadvantages: - Limited maximum output current of 1A may not be sufficient for high-power LED applications. - The 16-TSSOP package may require careful handling during assembly.

Working Principles

The MAX1688EUE+T is a boost converter IC that converts a lower input voltage to a higher output voltage required for driving LEDs. It operates by switching the input voltage through an inductor and capacitor network, resulting in a boosted output voltage. The IC uses a feedback mechanism to regulate the output voltage and maintain stability during operation.

Detailed Application Field Plans

The MAX1688EUE+T is commonly used in various LED lighting applications, including:

  1. Automotive Lighting: Provides efficient LED driving for automotive headlights, taillights, and interior lighting.
  2. Display Backlighting: Suitable for driving LED backlights in LCD displays, ensuring uniform brightness and energy efficiency.
  3. General Lighting: Enables energy-efficient LED lighting solutions for residential, commercial, and industrial applications.

Detailed and Complete Alternative Models

  1. MAX16818: Similar boost converter IC with higher maximum output current of 2A.
  2. MAX16820: Boost converter IC with integrated dimming control for LED applications.
  3. MAX16826: Multi-topology LED driver IC with integrated fault protection features.

These alternative models offer different specifications and features, providing flexibility for various LED driving requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1688EUE+T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX1688EUE+T:

  1. Q: What is the MAX1688EUE+T? A: The MAX1688EUE+T is a high-voltage, current-mode PWM controller designed for driving high-brightness LEDs.

  2. Q: What is the input voltage range supported by the MAX1688EUE+T? A: The MAX1688EUE+T supports an input voltage range from 4.5V to 40V.

  3. Q: Can the MAX1688EUE+T drive multiple LEDs in series? A: Yes, the MAX1688EUE+T can drive multiple LEDs in series by using an external boost converter.

  4. Q: What is the maximum LED current that the MAX1688EUE+T can handle? A: The MAX1688EUE+T can handle LED currents up to 1A.

  5. Q: Does the MAX1688EUE+T have built-in thermal protection? A: Yes, the MAX1688EUE+T has built-in thermal protection to prevent overheating.

  6. Q: Can the MAX1688EUE+T dim the LEDs? A: Yes, the MAX1688EUE+T supports PWM dimming control for adjusting the brightness of the LEDs.

  7. Q: Is there any feedback mechanism in the MAX1688EUE+T to regulate the LED current? A: Yes, the MAX1688EUE+T uses a current-sense resistor to provide feedback and regulate the LED current.

  8. Q: Can the MAX1688EUE+T operate in a wide temperature range? A: Yes, the MAX1688EUE+T can operate in a temperature range from -40°C to +125°C.

  9. Q: What is the typical efficiency of the MAX1688EUE+T? A: The typical efficiency of the MAX1688EUE+T is around 90%.

  10. Q: Are there any application notes or reference designs available for the MAX1688EUE+T? A: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of the MAX1688EUE+T in various technical solutions.

Please note that these answers are general and may vary depending on specific design considerations and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.