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TLC5923RHBR
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TLC5923RHBR

Product Overview

Category

The TLC5923RHBR belongs to the category of integrated circuits (ICs) specifically designed for driving LEDs.

Use

This product is primarily used for controlling and driving LED displays, panels, and lighting systems.

Characteristics

  • High output current capability
  • Wide operating voltage range
  • Serial interface for easy control
  • Daisy-chainable for cascading multiple devices
  • Built-in thermal shutdown protection

Package

The TLC5923RHBR is available in a small outline package (SOIC) with a heat-dissipating exposed pad.

Essence

The essence of the TLC5923RHBR lies in its ability to efficiently drive and control LED devices, providing a reliable and versatile solution for various lighting applications.

Packaging/Quantity

The TLC5923RHBR is typically packaged in reels, containing 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 TLC5923RHBR features a 24-pin configuration, as follows:

  1. GND - Ground
  2. VCC - Power supply voltage
  3. SDA - Serial data input
  4. SCL - Serial clock input
  5. OE - Output enable
  6. LE - Latch enable
  7. SIN - Serial data input
  8. SOUT - Serial data output 9-24. OUT0-OUT15 - LED output channels

Functional Features

  • Individual channel control for precise LED brightness adjustment
  • Global brightness control for all channels simultaneously
  • Error detection and reporting for open or shorted LED connections
  • Built-in power-on reset function for reliable startup

Advantages and Disadvantages

Advantages

  • High output current capability allows driving of high-power LEDs
  • Wide operating voltage range enables compatibility with various power sources
  • Serial interface simplifies control and integration into existing systems
  • Daisy-chainable feature reduces the number of required control lines

Disadvantages

  • Limited number of channels may not be suitable for large-scale LED applications
  • Requires external resistors for current limiting

Working Principles

The TLC5923RHBR utilizes a serial interface to receive control data, which is then used to adjust the brightness of individual LED channels. The device incorporates internal current sinks that regulate the current flowing through the LEDs, ensuring consistent brightness levels.

Detailed Application Field Plans

The TLC5923RHBR finds extensive application in various fields, including: 1. LED displays and signage 2. Automotive lighting systems 3. Architectural and decorative lighting 4. Backlighting for consumer electronics 5. Industrial control panels

Detailed and Complete Alternative Models

  1. TLC5924RHBT: Similar to the TLC5923RHBR but with 8 additional LED output channels.
  2. MAX7219CNG+: A different IC with similar functionality, offering 64 LED output channels.

In conclusion, the TLC5923RHBR is a versatile LED driver IC that provides precise control over LED brightness. Its compact package, wide operating voltage range, and serial interface make it suitable for various lighting applications. While it has some limitations, such as the number of channels and the need for external resistors, alternative models like the TLC5924RHBT and MAX7219CNG+ offer expanded capabilities for specific requirements.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TLC5923RHBR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TLC5923RHBR in technical solutions:

  1. Q: What is the TLC5923RHBR? A: The TLC5923RHBR is a 16-channel constant current LED driver that can be used to control multiple LEDs in various applications.

  2. Q: What is the maximum output current of the TLC5923RHBR? A: The TLC5923RHBR can provide a maximum output current of 120 mA per channel.

  3. Q: Can the TLC5923RHBR be used to drive RGB LEDs? A: Yes, the TLC5923RHBR can be used to drive RGB LEDs by controlling the individual channels for each color.

  4. Q: How many TLC5923RHBR devices can be cascaded together? A: Multiple TLC5923RHBR 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 the TLC5923RHBR? A: The TLC5923RHBR operates with a supply voltage range of 3 V to 5.5 V.

  6. Q: Can the TLC5923RHBR be controlled using a microcontroller? A: Yes, the TLC5923RHBR can be easily controlled using a microcontroller through its serial interface.

  7. Q: Does the TLC5923RHBR have built-in thermal shutdown protection? A: Yes, the TLC5923RHBR has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can the TLC5923RHBR be used in automotive applications? A: Yes, the TLC5923RHBR is suitable for automotive applications as it can operate in a wide temperature range and has ESD protection.

  9. Q: What is the maximum clock frequency for the TLC5923RHBR? A: The TLC5923RHBR can operate with a maximum clock frequency of 30 MHz.

  10. Q: Are there any evaluation boards or reference designs available for the TLC5923RHBR? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help in designing applications using the TLC5923RHBR.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the TLC5923RHBR in different technical solutions.