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TLC5928PWPR
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TLC5928PWPR

Introduction

The TLC5928PWPR is a versatile LED driver belonging to the TLC5928 series, designed for controlling and driving LED displays. This entry provides an overview of the TLC5928PWPR, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: LED Driver
  • Use: Controlling and driving LED displays
  • Characteristics: High precision, serial interface, grayscale control
  • Package: TSSOP
  • Essence: Efficient LED display control
  • Packaging/Quantity: Tape & Reel (2500 units)

Specifications

  • Supply Voltage: 3V to 5.5V
  • Output Current: 20mA per channel
  • Number of Channels: 16
  • Interface: Serial
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TLC5928PWPR features a 24-pin TSSOP package with the following pin configuration: 1. GND 2. SIN 3. SCLK 4. XLAT 5. BLANK 6. VCC 7. IREF 8. OUT0 9. OUT1 10. OUT2 11. OUT3 12. OUT4 13. OUT5 14. OUT6 15. OUT7 16. OUT8 17. OUT9 18. OUT10 19. OUT11 20. OUT12 21. OUT13 22. OUT14 23. OUT15 24. GND

Functional Features

  • Grayscale Control: Allows precise control over LED brightness levels
  • Serial Interface: Enables easy integration with microcontrollers and other devices
  • Daisy-Chainable: Multiple TLC5928PWPR devices can be connected in series for expanded LED control

Advantages and Disadvantages

Advantages

  • High precision LED control
  • Low power consumption
  • Daisy-chain capability for scalability

Disadvantages

  • Limited to 16 channels
  • Requires external current source for LED operation

Working Principles

The TLC5928PWPR operates by receiving serial data from a microcontroller or similar device, interpreting this data to control the brightness of individual LEDs, and then driving the LEDs with the appropriate current.

Detailed Application Field Plans

The TLC5928PWPR is well-suited for various applications, including: - LED matrix displays - LED signage - Decorative lighting - Automotive lighting systems - Gaming peripherals

Detailed and Complete Alternative Models

  • TLC5928: Similar functionality with different package options
  • TLC5947: Offers higher channel count and additional features
  • MAX7219: Provides LED control with integrated display drivers

In conclusion, the TLC5928PWPR is a reliable LED driver with precise control capabilities, making it suitable for a wide range of LED display applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TLC5928PWPR v technických řešeních

  1. What is TLC5928PWPR?

    • TLC5928PWPR is a 16-channel constant-current LED sink driver with grayscale control, designed to be used in applications requiring precise control of LED brightness.

  2. What is the maximum output current of TLC5928PWPR?

    • The TLC5928PWPR has a maximum output current of 50mA per channel.

  3. What is the supply voltage range for TLC5928PWPR?

    • The supply voltage range for TLC5928PWPR is 3V to 5.5V.

  4. Can TLC5928PWPR be cascaded to drive more than 16 channels?

    • Yes, TLC5928PWPR can be cascaded to drive more than 16 channels by connecting the serial data output of one TLC5928PWPR to the serial data input of another.

  5. Does TLC5928PWPR support daisy-chaining for multiple devices?

    • Yes, TLC5928PWPR supports daisy-chaining for multiple devices to simplify control and reduce the number of microcontroller pins required.

  6. What communication interface does TLC5928PWPR use?

    • TLC5928PWPR uses a simple serial interface compatible with SPI and QSPI protocols.

  7. Is TLC5928PWPR suitable for automotive applications?

    • Yes, TLC5928PWPR is suitable for automotive applications as it is AEC-Q100 qualified and operates over a wide temperature range.

  8. Can TLC5928PWPR be used for dimming LEDs?

    • Yes, TLC5928PWPR supports grayscale control, allowing for smooth dimming of LEDs.

  9. What protection features does TLC5928PWPR have?

    • TLC5928PWPR includes thermal shutdown and open/shorted LED detection for enhanced protection.

  10. What are some typical applications of TLC5928PWPR?

    • Typical applications of TLC5928PWPR include LED displays, signage, automotive lighting, and general LED lighting solutions.