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IS31BL3228B-UTLS2-TR
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IS31BL3228B-UTLS2-TR

Product Overview

Category

IS31BL3228B-UTLS2-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for controlling and driving LED backlighting.

Characteristics

  • Integrated circuit
  • LED backlight driver
  • High efficiency
  • Low power consumption
  • Compact package size

Package

IS31BL3228B-UTLS2-TR is available in a small outline package (SOP) with 16 pins.

Essence

The essence of this product lies in its ability to efficiently drive and control LED backlighting in electronic devices.

Packaging/Quantity

IS31BL3228B-UTLS2-TR is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input voltage range: 2.7V to 5.5V
  • Output current range: Up to 30mA per channel
  • Number of channels: 8
  • Dimming control: PWM (Pulse Width Modulation)
  • Operating temperature range: -40°C to +85°C
  • Package dimensions: 4mm x 5mm

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. VIN: Input voltage for LED backlight
  4. EN: Enable pin for turning on/off the LED backlight
  5. DIM0: Dimming control input for channel 0
  6. DIM1: Dimming control input for channel 1
  7. DIM2: Dimming control input for channel 2
  8. DIM3: Dimming control input for channel 3
  9. DIM4: Dimming control input for channel 4
  10. DIM5: Dimming control input for channel 5
  11. DIM6: Dimming control input for channel 6
  12. DIM7: Dimming control input for channel 7
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection

Functional Features

  • Efficient LED backlight driving
  • Individual dimming control for each channel
  • Low power consumption
  • Over-temperature protection
  • Short-circuit protection
  • Under-voltage lockout (UVLO) protection

Advantages and Disadvantages

Advantages

  • High efficiency, resulting in energy savings
  • Compact package size, suitable for space-constrained designs
  • Individual dimming control allows for precise backlight adjustment
  • Built-in protection features enhance reliability

Disadvantages

  • Limited number of channels (8)
  • Requires external components for proper operation

Working Principles

IS31BL3228B-UTLS2-TR works by receiving input voltage from VIN and generating the necessary current to drive the LED backlight. The dimming control inputs (DIM0-DIM7) allow for individual adjustment of each channel's brightness using PWM signals. The IC incorporates various protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

IS31BL3228B-UTLS2-TR finds applications in a wide range of electronic devices that utilize LED backlighting. Some common application fields include: - LCD monitors - Televisions - Automotive displays - Handheld devices (e.g., smartphones, tablets) - Industrial control panels

Detailed and Complete Alternative Models

  1. IS31BL3208B-UTLS2-TR
  2. IS31BL3216B-UTLS2-TR
  3. IS31BL3248B-UTLS2-TR
  4. IS31BL3288B-UTLS2-TR

These alternative models offer similar functionality and characteristics to IS31BL3228B-UTLS2-TR, but may have different pin configurations or package sizes.

In conclusion, IS31BL3228B-UTLS2-TR is an integrated circuit designed for efficient LED backlight driving in various electronic devices. Its compact size, individual dimming control, and built-in protection features make it a suitable choice for applications requiring precise and reliable LED backlighting control.

Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng IS31BL3228B-UTLS2-TR sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of IS31BL3228B-UTLS2-TR in technical solutions:

  1. Q: What is IS31BL3228B-UTLS2-TR? A: IS31BL3228B-UTLS2-TR is a specific model of LED driver IC (Integrated Circuit) designed for driving LEDs in various applications.

  2. Q: What is the maximum current output of IS31BL3228B-UTLS2-TR? A: The maximum current output of IS31BL3228B-UTLS2-TR is typically 60mA per channel.

  3. Q: Can IS31BL3228B-UTLS2-TR be used for RGB LED applications? A: Yes, IS31BL3228B-UTLS2-TR can be used for RGB LED applications as it supports up to 8 channels of LED control.

  4. Q: What is the input voltage range for IS31BL3228B-UTLS2-TR? A: The input voltage range for IS31BL3228B-UTLS2-TR is typically between 2.7V and 5.5V.

  5. Q: Does IS31BL3228B-UTLS2-TR support PWM (Pulse Width Modulation) dimming? A: Yes, IS31BL3228B-UTLS2-TR supports PWM dimming, allowing precise control over LED brightness.

  6. Q: Can IS31BL3228B-UTLS2-TR be used in automotive lighting applications? A: Yes, IS31BL3228B-UTLS2-TR is suitable for automotive lighting applications as it operates within the required voltage range and supports multiple LED channels.

  7. Q: What is the maximum operating temperature of IS31BL3228B-UTLS2-TR? A: The maximum operating temperature of IS31BL3228B-UTLS2-TR is typically -40°C to 85°C.

  8. Q: Does IS31BL3228B-UTLS2-TR have any built-in protection features? A: Yes, IS31BL3228B-UTLS2-TR includes built-in protection features such as over-temperature protection and over-voltage protection.

  9. Q: Can IS31BL3228B-UTLS2-TR be controlled using an I2C interface? A: No, IS31BL3228B-UTLS2-TR does not support I2C control. It uses a simple parallel interface for LED control.

  10. Q: Are there any evaluation boards or reference designs available for IS31BL3228B-UTLS2-TR? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs for IS31BL3228B-UTLS2-TR to help with development and testing.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements.