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TLC5922DAPG4
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TLC5922DAPG4

Product Overview

Category

TLC5922DAPG4 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • TLC5922DAPG4 is a 16-channel constant current LED driver.
  • It operates with a supply voltage range of 3V to 5.5V.
  • The device can sink up to 120mA per channel, making it suitable for high-power LED applications.
  • It offers a wide dimming range and supports both dot correction and grayscale PWM (Pulse Width Modulation) control.
  • The TLC5922DAPG4 has built-in thermal shutdown protection to prevent overheating.

Package

The TLC5922DAPG4 comes in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of this product lies in its ability to efficiently drive multiple LEDs with constant current, ensuring consistent brightness and accurate color reproduction.

Packaging/Quantity

The TLC5922DAPG4 is typically available in reels containing 2500 units.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Number of Channels: 16
  • Maximum Current per Channel: 120mA
  • Dimming Control: Dot Correction, Grayscale PWM
  • Thermal Shutdown Protection: Yes
  • Package Type: TSSOP
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLC5922DAPG4 features a 24-pin TSSOP package with the following 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. BLANK (Blanking Control Input)
  22. GND (Ground)
  23. GND (Ground)
  24. GND (Ground)

Functional Features

  • Constant current output for driving LEDs.
  • Wide dimming range for precise brightness control.
  • Dot correction and grayscale PWM support for accurate color reproduction.
  • Thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

  • High current sinking capability allows for driving high-power LEDs.
  • Wide dimming range provides flexibility in adjusting brightness levels.
  • Built-in thermal shutdown protection ensures device safety.

Disadvantages

  • Limited to driving LEDs and not suitable for other types of loads.
  • Requires an external microcontroller or control circuitry for operation.

Working Principles

The TLC5922DAPG4 operates by receiving serial data and clock signals from an external microcontroller or control circuitry. It uses this information to control the current flowing through each channel, thereby driving the connected LEDs. The device supports dot correction and grayscale PWM techniques to achieve accurate color rendering and brightness control.

Detailed Application Field Plans

The TLC5922DAPG4 finds applications in various fields, including:

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

Detailed and Complete Alternative Models

  • TLC59116: 16-channel constant current LED driver with higher current sinking capability.
  • TLC5947: 24-channel constant current LED driver with grayscale control and higher resolution.

These alternative models offer similar functionality to the TLC5922DAPG4 but may have different specifications or package options.

In conclusion, the TLC5922DAPG4 is a versatile LED driver IC that provides efficient and precise control over multiple LEDs. Its high current sinking capability, wide dimming range, and thermal protection make it suitable for various lighting applications.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TLC5922DAPG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TLC5922DAPG4 in technical solutions:

  1. Q: What is the TLC5922DAPG4? A: The TLC5922DAPG4 is a 16-channel constant-current LED driver that can be used to control and drive LEDs in various applications.

  2. Q: What is the maximum output current of the TLC5922DAPG4? A: The TLC5922DAPG4 can provide a maximum output current of 120 mA per channel.

  3. Q: Can the TLC5922DAPG4 be used with both common-anode and common-cathode LEDs? A: Yes, the TLC5922DAPG4 can be used with both common-anode and common-cathode LEDs.

  4. Q: How many TLC5922DAPG4 devices can be cascaded together? A: Multiple TLC5922DAPG4 devices can be cascaded together to control a larger number of LEDs. The exact number depends on the specific application and system requirements.

  5. Q: What is the communication interface used by the TLC5922DAPG4? A: The TLC5922DAPG4 uses a serial interface (SPI) for communication with a microcontroller or other control device.

  6. Q: Can the TLC5922DAPG4 dim the LEDs? A: Yes, the TLC5922DAPG4 supports individual LED brightness control, allowing for dimming of the LEDs.

  7. Q: What is the supply voltage range for the TLC5922DAPG4? A: The TLC5922DAPG4 operates with a supply voltage range of 3 V to 5.5 V.

  8. Q: Does the TLC5922DAPG4 have built-in thermal shutdown protection? A: Yes, the TLC5922DAPG4 has built-in thermal shutdown protection to prevent overheating and ensure safe operation.

  9. Q: Can the TLC5922DAPG4 be used in automotive applications? A: Yes, the TLC5922DAPG4 is designed to meet automotive-grade requirements and can be used in automotive lighting applications.

  10. Q: Are there any evaluation boards or reference designs available for the TLC5922DAPG4? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help users quickly prototype and implement solutions using the TLC5922DAPG4.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.