Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
TLC5923DAPG4
Visa detalj Datablad

TLC5923DAPG4

Introduction

The TLC5923DAPG4 is a versatile LED driver belonging to the category of integrated circuits. This device is commonly used for controlling and driving LED displays in various applications. It offers unique characteristics, packaging options, and functional features that make it suitable for a wide range of LED lighting and display projects.

Basic Information Overview

  • Category: Integrated Circuit
  • Use: LED Display Driver
  • Characteristics: High precision current sink, serial data input, grayscale control
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Efficient LED control and management
  • Packaging/Quantity: Available in reels with varying quantities

Specifications

The TLC5923DAPG4 features the following specifications: - Supply Voltage: 3V to 5.5V - Output Current: Up to 45mA per channel - Number of Channels: 16 - Communication Interface: Serial Data Input

Detailed Pin Configuration

The TLC5923DAPG4 has a 24-pin TSSOP package with the following pin configuration: 1. GND 2. SIN (Serial Data Input) 3. SCLK (Serial Clock Input) 4. XLAT (Latching Clock Input) 5. BLANK (Blanking Control Input) 6. VCC 7-20. LED Output Channels (16 channels) 21. GND 22. GND 23. GND 24. GND

Functional Features

  • High Precision Current Sink: Allows accurate control of LED brightness
  • Serial Data Input: Enables easy interfacing with microcontrollers or other control devices
  • Grayscale Control: Provides smooth dimming and color control for LED displays

Advantages and Disadvantages

Advantages

  • Precise LED control
  • Flexible serial interface
  • Grayscale control for smooth dimming

Disadvantages

  • Limited output current per channel
  • Requires external components for certain configurations

Working Principles

The TLC5923DAPG4 operates by receiving serial data input from a microcontroller or similar device. It then processes this data to control the current sinking for individual LED channels, allowing precise control over LED brightness and color. The device utilizes grayscale control to achieve smooth dimming and color variation in LED displays.

Detailed Application Field Plans

The TLC5923DAPG4 is widely used in various applications, including: - LED matrix displays - LED signage - Decorative lighting - Automotive lighting systems - LED-based art installations

Detailed and Complete Alternative Models

Some alternative models to the TLC5923DAPG4 include: - TLC5940: Offers higher output current per channel - MAX7219: Provides multiplexing capabilities for LED displays - APA102: Features built-in PWM control for individual LEDs

In conclusion, the TLC5923DAPG4 is a reliable LED display driver with precise control features, making it suitable for a diverse range of LED lighting and display applications.

Word Count: 443

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLC5923DAPG4 i tekniska lösningar

  1. What is TLC5923DAPG4?

    • The TLC5923DAPG4 is a 16-channel constant-current LED sink driver with a programmable PWM control.

  2. What is the maximum output current of TLC5923DAPG4?

    • The TLC5923DAPG4 has a maximum output current of 120 mA per channel.

  3. What is the supply voltage range for TLC5923DAPG4?

    • The supply voltage range for TLC5923DAPG4 is 3 V to 5.5 V.

  4. Can TLC5923DAPG4 be used for driving RGB LEDs?

    • Yes, TLC5923DAPG4 can be used for driving RGB LEDs by controlling the individual channels with PWM signals.

  5. How can TLC5923DAPG4 be interfaced with a microcontroller?

    • TLC5923DAPG4 can be interfaced with a microcontroller using a simple serial interface such as SPI or I2C.

  6. What is the thermal shutdown feature of TLC5923DAPG4?

    • TLC5923DAPG4 includes a thermal shutdown feature to protect the device from overheating.

  7. Is TLC5923DAPG4 suitable for automotive applications?

    • Yes, TLC5923DAPG4 is suitable for automotive applications due to its wide supply voltage range and robust design.

  8. Can TLC5923DAPG4 be cascaded to drive more than 16 channels?

    • Yes, multiple TLC5923DAPG4 devices can be cascaded to drive more than 16 channels of LEDs.

  9. What is the typical application of TLC5923DAPG4?

    • TLC5923DAPG4 is commonly used in LED display panels, signage, and decorative lighting applications.

  10. Does TLC5923DAPG4 support daisy-chaining for synchronization?

    • Yes, TLC5923DAPG4 supports daisy-chaining for synchronization of multiple devices in a system.