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TLC5923RHBT
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TLC5923RHBT

Product Overview

Category

TLC5923RHBT belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LED displays and lighting applications.

Characteristics

  • TLC5923RHBT is a high-performance, 16-channel constant current sink driver.
  • It operates with a wide supply voltage range of 3V to 5.5V.
  • The device can sink up to 120mA per channel, making it suitable for driving medium to large-sized LED displays.
  • TLC5923RHBT offers excellent accuracy and uniformity in current sinking across all channels.
  • It provides a flexible interface, allowing easy cascading of multiple devices for larger display applications.

Package

TLC5923RHBT is available in a small outline package (SOIC) with a thermal pad for enhanced heat dissipation.

Essence

The essence of TLC5923RHBT lies in its ability to efficiently drive LED displays by providing precise and uniform current sinking across multiple channels.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Number of Channels: 16
  • Maximum Current Sink per Channel: 120mA
  • Output Type: Constant Current Sink
  • Package Type: SOIC
  • Thermal Pad: Yes

Detailed Pin Configuration

  1. GND - Ground
  2. OUT0 - Channel 0 Output
  3. OUT1 - Channel 1 Output
  4. OUT2 - Channel 2 Output
  5. OUT3 - Channel 3 Output
  6. OUT4 - Channel 4 Output
  7. OUT5 - Channel 5 Output
  8. OUT6 - Channel 6 Output
  9. OUT7 - Channel 7 Output
  10. OUT8 - Channel 8 Output
  11. OUT9 - Channel 9 Output
  12. OUT10 - Channel 10 Output
  13. OUT11 - Channel 11 Output
  14. OUT12 - Channel 12 Output
  15. OUT13 - Channel 13 Output
  16. OUT14 - Channel 14 Output
  17. OUT15 - Channel 15 Output
  18. VCC - Supply Voltage

Functional Features

  • Precise and uniform current sinking across all channels.
  • Wide supply voltage range allows compatibility with various systems.
  • Flexible interface for cascading multiple devices.
  • Thermal pad for efficient heat dissipation.

Advantages

  • High-performance driver for LED displays and lighting applications.
  • Accurate and uniform current sinking ensures consistent brightness.
  • Wide supply voltage range offers versatility in system integration.
  • Cascading capability simplifies the design of larger display applications.
  • Efficient heat dissipation through the thermal pad.

Disadvantages

  • Limited to driving LED displays and lighting applications.
  • Requires additional external components for complete system integration.
  • Not suitable for low-power or battery-operated devices.

Working Principles

TLC5923RHBT operates by receiving control signals from a microcontroller or other control circuitry. These control signals determine the desired current level for each channel. The device then sinks the corresponding amount of current, ensuring uniformity across all channels. This constant current sinking drives the connected LEDs, resulting in consistent brightness levels.

Detailed Application Field Plans

TLC5923RHBT finds extensive application in various fields, including: 1. LED display panels for advertising boards and information displays. 2. Architectural lighting systems for decorative and accent lighting. 3. Automotive lighting for interior and exterior illumination. 4. Signage and display boards for retail and commercial establishments. 5. Entertainment and stage lighting for concerts and events. 6. Industrial control panels for status indicators and visual feedback.

Detailed and Complete Alternative Models

  1. TLC5922RHBT: Similar to TLC5923RHBT but with 8 channels instead of 16.
  2. TLC5940RHBT: Offers 16 channels with additional grayscale control for enhanced LED display capabilities.
  3. MAX7219CNG: A versatile LED driver with 8-digit control, suitable for multiplexed displays.
  4. HT16K33: Integrated circuit specifically designed for driving LED matrices and segment displays.
  5. LP5024TLX/NOPB: 24-channel LED driver with built-in diagnostics and fault detection features.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLC5923RHBT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TLC5923RHBT in technical solutions:

  1. Q: What is the TLC5923RHBT? A: The TLC5923RHBT is a 16-channel constant current LED driver that can be used to control LEDs in various applications.

  2. Q: What is the maximum output current of the TLC5923RHBT? A: The TLC5923RHBT can provide a maximum output current of 120 mA per channel.

  3. Q: Can the TLC5923RHBT be used to drive RGB LEDs? A: Yes, the TLC5923RHBT can be used to drive RGB LEDs by controlling the individual channels for each color.

  4. Q: How many TLC5923RHBT devices can be cascaded together? A: Multiple TLC5923RHBT 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 TLC5923RHBT? A: The TLC5923RHBT operates with a supply voltage range of 3 V to 5.5 V.

  6. Q: Can the TLC5923RHBT be controlled using a microcontroller? A: Yes, the TLC5923RHBT can be easily controlled using a microcontroller through its serial interface.

  7. Q: Does the TLC5923RHBT have built-in thermal shutdown protection? A: Yes, the TLC5923RHBT has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can the TLC5923RHBT dim the LEDs? A: Yes, the TLC5923RHBT supports LED dimming through pulse width modulation (PWM) control.

  9. Q: What is the maximum clock frequency for the TLC5923RHBT? A: The TLC5923RHBT can operate with a maximum clock frequency of 30 MHz.

  10. Q: Are there any evaluation boards or reference designs available for the TLC5923RHBT? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help in designing applications using the TLC5923RHBT.

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