Texas Instruments
Slika može predstavljati.
Pogledajte specifikacije za pojedinosti o proizvodu.
TLC59284DBQ
Pogledaj detalje Podatkovne tablice

TLC59284DBQ

Product Overview

The TLC59284DBQ belongs to the category of LED drivers and is commonly used for controlling and driving LED displays. This integrated circuit offers characteristics such as high efficiency, precise current control, and compatibility with various LED types. The package type for the TLC59284DBQ is SSOP, and it typically comes in quantities of 2500 units per reel.

Specifications

  • Supply Voltage: 3V to 5.5V
  • Number of Channels: 16
  • Output Current: 35mA per channel
  • Package Type: SSOP

Detailed Pin Configuration

The TLC59284DBQ features a 24-pin SSOP package with pin configurations for power supply, ground, serial data input, and LED output channels.

Functional Features

  • Precise Current Control: The TLC59284DBQ provides individual current control for each LED channel, ensuring uniform brightness across the display.
  • Serial Data Interface: It supports serial data input, allowing for easy integration with microcontrollers and other digital systems.
  • Thermal Shutdown Protection: The device includes built-in thermal shutdown protection to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages

  • High Efficiency: The TLC59284DBQ offers high efficiency in driving LED displays, resulting in lower power consumption.
  • Compatibility: It is compatible with various LED types, making it versatile for different display applications.

Disadvantages

  • Limited Output Current: The maximum output current per channel is 35mA, which may be insufficient for certain high-power LED applications.

Working Principles

The TLC59284DBQ operates by receiving serial data input and converting it into individual current control signals for each LED channel. It utilizes internal registers to store the control data and drives the LEDs based on the input information.

Detailed Application Field Plans

The TLC59284DBQ is suitable for a wide range of LED display applications, including: - Indoor and outdoor signage - Automotive lighting - Consumer electronics displays - Architectural lighting

Detailed and Complete Alternative Models

Some alternative models to the TLC59284DBQ include: - TLC5947: Offers 24 channels of LED control with grayscale PWM support. - MAX7219: Provides LED driver functionality with serial interface and cascading capabilities.

In conclusion, the TLC59284DBQ is a versatile LED driver IC with precise current control and compatibility with various LED types. Its high efficiency and thermal protection make it suitable for diverse LED display applications.

[Word count: 337]

Navedite 10 uobičajenih pitanja i odgovora vezanih uz primjenu TLC59284DBQ u tehničkim rješenjima

  1. What is TLC59284DBQ?

    • TLC59284DBQ is a 16-channel constant-current LED sink driver with grayscale control, designed for use in applications requiring LED displays or lighting.

  2. What is the maximum output current of TLC59284DBQ?

    • The TLC59284DBQ has a maximum output current of 120 mA per channel.

  3. What is the supply voltage range for TLC59284DBQ?

    • The supply voltage range for TLC59284DBQ is 3 V to 5.5 V.

  4. Can TLC59284DBQ be used for multiplexing LED displays?

    • Yes, TLC59284DBQ can be used for multiplexing LED displays due to its grayscale control feature and high output current capability.

  5. How many bits of grayscale control does TLC59284DBQ support?

    • TLC59284DBQ supports 12-bit grayscale control for smooth brightness adjustment.

  6. What is the thermal shutdown temperature of TLC59284DBQ?

    • The thermal shutdown temperature of TLC59284DBQ is typically 150°C.

  7. Is TLC59284DBQ suitable for automotive lighting applications?

    • Yes, TLC59284DBQ is suitable for automotive lighting applications due to its wide supply voltage range and thermal shutdown protection.

  8. Does TLC59284DBQ have built-in open/short detection for LED protection?

    • Yes, TLC59284DBQ features built-in open/short detection for LED protection, enhancing system reliability.

  9. What is the communication interface for controlling TLC59284DBQ?

    • TLC59284DBQ uses a simple serial interface (SPI) for control and configuration.

  10. Can TLC59284DBQ be cascaded for driving more than 16 channels?

    • Yes, multiple TLC59284DBQ devices can be cascaded to drive more than 16 channels, making it suitable for larger LED applications.