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TLC59284DBQR
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TLC59284DBQR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High current sink capability, serial interface, constant current output
  • Package: DBQ (Thin Shrink Small Outline Package)
  • Essence: The TLC59284DBQR is a high-performance LED driver IC designed to control and drive LEDs in various applications.
  • Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

  • Supply Voltage: 3V to 5.5V
  • Output Current: Up to 120mA per channel
  • Number of Channels: 16
  • Serial Interface: I2C-compatible
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLC59284DBQR has a 24-pin package with the following pin configuration:

  1. GND - Ground
  2. SDA - Serial Data Input
  3. SCL - Serial Clock Input
  4. VCC - Power Supply 5-20. OUT0-OUT15 - LED Output Channels
  5. OE - Output Enable
  6. VLED - LED Power Supply
  7. VREF - Reference Voltage
  8. NC - No Connection

Functional Features

  • High current sink capability allows driving high-power LEDs.
  • Serial interface (I2C-compatible) enables easy control and configuration.
  • Constant current output ensures consistent brightness across LEDs.
  • Output enable pin for power-saving mode.
  • Built-in thermal shutdown protection.

Advantages and Disadvantages

Advantages: - High current sink capability enables driving high-power LEDs. - Serial interface simplifies control and configuration. - Constant current output ensures uniform brightness. - Thermal shutdown protection prevents damage due to overheating.

Disadvantages: - Limited number of channels (16). - Requires an external power supply for LED operation.

Working Principles

The TLC59284DBQR operates by receiving control signals through the serial interface (SDA and SCL pins) from a microcontroller or other control device. It converts these signals into constant current outputs to drive LEDs connected to the output channels. The built-in thermal shutdown protection ensures safe operation by monitoring the temperature and disabling the outputs if it exceeds a certain threshold.

Detailed Application Field Plans

The TLC59284DBQR is widely used in various applications that require LED driving, such as: - Automotive lighting systems - Signage and display boards - Backlighting for LCD panels - Decorative lighting - Industrial control panels

Detailed and Complete Alternative Models

  • TLC59282DBQR: Similar LED driver IC with 8 channels instead of 16.
  • TLC5940DBQR: LED driver IC with 16 channels and additional grayscale control features.
  • MAX7219CNG: LED driver IC with 8-digit segment display capability.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TLC59284DBQR :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TLC59284DBQR in technical solutions:

  1. Q: What is TLC59284DBQR? A: TLC59284DBQR is a 16-channel constant current LED driver with a built-in shift register and data latches.

  2. Q: What is the maximum output current of TLC59284DBQR? A: The maximum output current per channel is 120 mA.

  3. Q: Can TLC59284DBQR be used to drive RGB LEDs? A: Yes, TLC59284DBQR can be used to drive RGB LEDs by controlling the individual channels for each color.

  4. Q: How many TLC59284DBQR devices can be cascaded together? A: Multiple TLC59284DBQR devices can be cascaded together to control a larger number of LEDs. Up to 8 devices can be cascaded using the serial data input/output pins.

  5. Q: What is the supply voltage range for TLC59284DBQR? A: The supply voltage range for TLC59284DBQR is typically between 3V and 5.5V.

  6. Q: Can TLC59284DBQR be controlled using a microcontroller? A: Yes, TLC59284DBQR can be easily controlled using a microcontroller through its serial interface.

  7. Q: Does TLC59284DBQR have built-in thermal shutdown protection? A: Yes, TLC59284DBQR has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can TLC59284DBQR be used in automotive applications? A: Yes, TLC59284DBQR is suitable for automotive applications as it can operate in a wide temperature range (-40°C to +105°C).

  9. Q: What is the maximum clock frequency for TLC59284DBQR? A: The maximum clock frequency for TLC59284DBQR is 30 MHz.

  10. Q: Can TLC59284DBQR be used in multiplexing applications? A: Yes, TLC59284DBQR can be used in multiplexing applications to control a large number of LEDs with fewer pins on the microcontroller.

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