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TLC5916IDR

TLC5916IDR

Product Overview

Category

TLC5916IDR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LEDs (Light Emitting Diodes) in various applications.

Characteristics

  • TLC5916IDR is a 16-channel constant current LED driver.
  • It operates with a supply voltage range of 3V to 5.5V.
  • The device supports both dot correction and brightness control.
  • It offers a high output current accuracy of ±1.5%.
  • TLC5916IDR has a thermal shutdown protection feature to prevent overheating.

Package

The TLC5916IDR is available in a small outline package (SOIC) with 24 pins.

Essence

The essence of TLC5916IDR lies in its ability to efficiently drive multiple LEDs, ensuring accurate current control and brightness adjustment.

Packaging/Quantity

This product is typically sold in reels or tubes, containing a specific quantity of TLC5916IDR ICs per package.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Output Current Accuracy: ±1.5%
  • Number of Channels: 16
  • Package Type: SOIC-24

Detailed Pin Configuration

The TLC5916IDR features 24 pins, each serving a specific purpose. Here is a 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
  19. SDA - Serial Data Input
  20. SCL - Serial Clock Input
  21. OE - Output Enable
  22. IREF - Reference Current Input
  23. VDD - Supply Voltage
  24. GND - Ground

Functional Features

  • Constant current output for driving LEDs.
  • Dot correction feature for precise brightness adjustment.
  • Serial data input and clock input for easy control.
  • Output enable pin for turning off all channels simultaneously.
  • Thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

  • Accurate current control ensures consistent LED brightness.
  • Dot correction allows fine-tuning of individual LED brightness.
  • Wide supply voltage range provides flexibility in various applications.
  • Thermal shutdown protection enhances safety and reliability.

Disadvantages

  • Limited to driving LEDs and not suitable for other types of loads.
  • Requires external components for proper operation.
  • May require additional circuitry for complex LED configurations.

Working Principles

The TLC5916IDR operates by receiving serial data and clock signals to control the current flowing through each channel. The reference current input (IREF) sets the desired LED current, while dot correction enables precise brightness adjustment. The output enable (OE) pin allows simultaneous activation or deactivation of all channels. The device's thermal shutdown protection ensures safe operation by preventing excessive heat buildup.

Detailed Application Field Plans

The TLC5916IDR finds applications in various fields, including:

  1. Automotive lighting systems
  2. Signage and display boards
  3. Backlighting for LCD panels
  4. Architectural lighting
  5. Entertainment lighting

Detailed and Complete Alternative Models

  1. TLC5917IDR: Similar to TLC5916IDR but with 24 channels instead of 16.
  2. TLC5940IDR: Offers grayscale control for each channel, suitable for display applications.
  3. MAX7219CNG: LED driver with serial interface and cascading capability.
  4. HT16K33: Integrated LED controller and driver with I2C interface.

These alternative models provide similar functionality and can be considered as alternatives to the TLC5916IDR depending on specific requirements.

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技術ソリューションにおける TLC5916IDR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TLC5916IDR in technical solutions:

  1. Q: What is TLC5916IDR? A: TLC5916IDR 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 TLC5916IDR? A: The maximum output current per channel of TLC5916IDR is 120 mA.

  3. Q: Can TLC5916IDR be used to drive RGB LEDs? A: Yes, TLC5916IDR can be used to drive RGB LEDs by controlling the individual channels for each color.

  4. Q: How many TLC5916IDR devices can be cascaded together? A: Multiple TLC5916IDR devices can be cascaded together to control a larger number of LEDs. Up to 8 devices can be cascaded using the I2C interface.

  5. Q: What is the supply voltage range for TLC5916IDR? A: The supply voltage range for TLC5916IDR is typically between 3V and 5.5V.

  6. Q: Can TLC5916IDR be used with both common anode and common cathode LEDs? A: Yes, TLC5916IDR can be used with both common anode and common cathode LEDs by configuring the appropriate output mode.

  7. Q: Does TLC5916IDR have built-in thermal shutdown protection? A: Yes, TLC5916IDR has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can TLC5916IDR be controlled using a microcontroller? A: Yes, TLC5916IDR can be controlled using a microcontroller through the I2C interface.

  9. Q: What is the maximum frequency for the I2C interface of TLC5916IDR? A: The maximum frequency for the I2C interface of TLC5916IDR is 400 kHz.

  10. Q: Can TLC5916IDR be used in automotive applications? A: Yes, TLC5916IDR is suitable for automotive applications as it can operate over a wide temperature range and has ESD protection.

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