Bild kan vara representation.
Se specifikationer för produktinformation.
IS31BL3555-ZLS4

IS31BL3555-ZLS4

Product Overview

Category

IS31BL3555-ZLS4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LED backlighting in LCD displays.

Characteristics

  • High efficiency and low power consumption
  • Wide input voltage range
  • Integrated protection features
  • Compact package size
  • Easy integration into existing designs

Package

IS31BL3555-ZLS4 is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of IS31BL3555-ZLS4 lies in its ability to efficiently drive LED backlighting, providing optimal brightness and power management for LCD displays.

Packaging/Quantity

IS31BL3555-ZLS4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Current Range: Up to 30mA per channel
  • Number of Channels: 6
  • Dimming Control: PWM (Pulse Width Modulation)
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOP-24

Detailed Pin Configuration

  1. VDD: Power supply voltage
  2. GND: Ground reference
  3. VIN: Input voltage for LED driver
  4. EN: Enable pin for turning on/off the LED driver
  5. DIM1: Dimming control input for Channel 1
  6. DIM2: Dimming control input for Channel 2
  7. DIM3: Dimming control input for Channel 3
  8. DIM4: Dimming control input for Channel 4
  9. DIM5: Dimming control input for Channel 5
  10. DIM6: Dimming control input for Channel 6
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection
  17. NC: No connection
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection
  21. NC: No connection
  22. NC: No connection
  23. NC: No connection
  24. NC: No connection

Functional Features

  • Integrated LED driver with multiple channels
  • Individual dimming control for each channel
  • Over-temperature protection
  • Under-voltage lockout (UVLO) protection
  • Short-circuit protection
  • Low standby current consumption
  • High efficiency conversion

Advantages and Disadvantages

Advantages

  • Efficient LED backlighting for LCD displays
  • Wide input voltage range allows for versatile applications
  • Compact package size enables space-saving designs
  • Integrated protection features enhance reliability
  • Easy integration into existing designs simplifies implementation

Disadvantages

  • Limited number of channels (6)
  • Not suitable for high-power LED applications

Working Principles

IS31BL3555-ZLS4 operates by converting the input voltage to a regulated output current, which drives the LED backlighting. The dimming control inputs allow for adjusting the brightness of each channel independently. The integrated protection features ensure safe operation and prevent damage to the IC and LEDs.

Detailed Application Field Plans

IS31BL3555-ZLS4 finds application in various fields, including: 1. LCD monitors and televisions 2. Automotive infotainment systems 3. Portable electronic devices (e.g., smartphones, tablets) 4. Industrial control panels 5. Medical equipment displays

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to IS31BL3555-ZLS4 are: 1. IS31BL3556-ZLS4 2. IS31BL3557-ZLS4 3. IS31BL3558-ZLS4 4. IS31BL3559-ZLS4

These models share similar characteristics and pin configurations, making them suitable alternatives for driving LED backlighting in LCD displays.

Word count: 536 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av IS31BL3555-ZLS4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of IS31BL3555-ZLS4 in technical solutions:

  1. Q: What is IS31BL3555-ZLS4? A: IS31BL3555-ZLS4 is a LED driver IC (Integrated Circuit) designed for driving LEDs in various applications.

  2. Q: What are the key features of IS31BL3555-ZLS4? A: Some key features include high efficiency, wide input voltage range, PWM dimming control, over-temperature protection, and fault detection.

  3. Q: What is the maximum output current supported by IS31BL3555-ZLS4? A: The maximum output current supported by IS31BL3555-ZLS4 is typically around 150mA.

  4. Q: Can IS31BL3555-ZLS4 be used for driving RGB LEDs? A: Yes, IS31BL3555-ZLS4 can be used for driving RGB LEDs as it supports PWM dimming control for individual color channels.

  5. Q: How many LEDs can be driven simultaneously using IS31BL3555-ZLS4? A: The number of LEDs that can be driven simultaneously depends on the power requirements of the LEDs and the maximum output current of the IC.

  6. Q: Does IS31BL3555-ZLS4 support any communication interfaces? A: No, IS31BL3555-ZLS4 does not have built-in communication interfaces. It is primarily designed for standalone LED driving applications.

  7. Q: Can IS31BL3555-ZLS4 operate from a single power supply? A: Yes, IS31BL3555-ZLS4 can operate from a single power supply as it has an integrated boost converter for generating the required voltage levels.

  8. Q: Is IS31BL3555-ZLS4 suitable for automotive lighting applications? A: Yes, IS31BL3555-ZLS4 is suitable for automotive lighting applications as it can operate over a wide temperature range and has built-in fault detection features.

  9. Q: Can IS31BL3555-ZLS4 be used in battery-powered devices? A: Yes, IS31BL3555-ZLS4 can be used in battery-powered devices as it has low power consumption and supports efficient LED driving.

  10. Q: Are there any evaluation boards or reference designs available for IS31BL3555-ZLS4? A: Yes, the manufacturer of IS31BL3555-ZLS4 typically provides evaluation boards and reference designs to help users get started with their applications.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.