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TLC5905PAP
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TLC5905PAP

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High voltage output capability - Constant current sink - Serial data interface - PWM grayscale control - Built-in thermal shutdown protection - Daisy-chainable architecture

Package: TSSOP-20

Essence: The TLC5905PAP is a high-voltage, constant current sink LED driver IC. It is designed to drive LEDs in applications such as LED displays, signage, and decorative lighting.

Packaging/Quantity: The TLC5905PAP is available in a TSSOP-20 package. It is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Output Voltage Range: 17V to 60V
  • Maximum Output Current: 120mA
  • Maximum Number of Channels: 16
  • Serial Data Interface: SPI-compatible
  • Grayscale Control: 256 steps
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLC5905PAP has a total of 20 pins. The pin configuration is as follows:

  1. GND: Ground
  2. SIN: Serial Data Input
  3. SCLK: Serial Clock Input
  4. XLAT: Latch Clock Input
  5. BLANK: Blank Control Input
  6. VCC: Power Supply
  7. OUT0: Channel 0 Output
  8. OUT1: Channel 1 Output
  9. OUT2: Channel 2 Output
  10. OUT3: Channel 3 Output
  11. OUT4: Channel 4 Output
  12. OUT5: Channel 5 Output
  13. OUT6: Channel 6 Output
  14. OUT7: Channel 7 Output
  15. OUT8: Channel 8 Output
  16. OUT9: Channel 9 Output
  17. OUT10: Channel 10 Output
  18. OUT11: Channel 11 Output
  19. OUT12: Channel 12 Output
  20. OUT13: Channel 13 Output

Functional Features

  • High voltage output capability allows driving LEDs in series.
  • Constant current sink ensures uniform brightness across all LEDs.
  • Serial data interface enables easy control and configuration.
  • PWM grayscale control provides smooth dimming of LEDs.
  • Built-in thermal shutdown protection prevents damage due to excessive heat.
  • Daisy-chainable architecture simplifies the connection of multiple TLC5905PAP devices.

Advantages and Disadvantages

Advantages: - High voltage output capability allows for flexible LED configurations. - Constant current sink ensures consistent brightness levels. - Serial data interface enables precise control over LED operation. - PWM grayscale control offers smooth dimming capabilities. - Built-in thermal shutdown protection enhances reliability. - Daisy-chainable architecture simplifies system design.

Disadvantages: - Limited maximum output current may restrict certain high-power LED applications. - TSSOP-20 package may require additional PCB space compared to smaller packages.

Working Principles

The TLC5905PAP operates by receiving serial data input (SIN) and clock input (SCLK) signals. It uses this data to control the output current of each channel, thereby regulating the brightness of connected LEDs. The built-in thermal shutdown protection ensures that the IC does not exceed its temperature limits, preventing damage.

Detailed Application Field Plans

The TLC5905PAP is commonly used in various applications, including: 1. LED displays and signage 2. Decorative lighting 3. Automotive interior lighting 4. Architectural lighting 5. Backlighting for LCD panels 6. Gaming machines and casino equipment

Detailed and Complete Alternative Models

  1. TLC5940: 16-channel LED driver with grayscale control and higher output current capability.
  2. MAX7219: LED display driver with serial interface and integrated multiplexing capabilities.
  3. TLC59711: 12-channel LED driver with individual PWM control for each channel.
  4. AS1130: 132-channel LED driver with built-in matrix scanning capabilities.

These alternative models offer different features and specifications, providing options for various LED driving applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TLC5905PAP dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TLC5905PAP in technical solutions:

  1. Q: What is TLC5905PAP? A: TLC5905PAP is a 16-channel constant current LED driver that can be used to control multiple LEDs in various applications.

  2. Q: What is the maximum output current of TLC5905PAP? A: The maximum output current per channel of TLC5905PAP is 120 mA.

  3. Q: Can TLC5905PAP be used with both common anode and common cathode LEDs? A: Yes, TLC5905PAP can be used with both common anode and common cathode LEDs.

  4. Q: How many LEDs can be controlled by a single TLC5905PAP? A: TLC5905PAP can control up to 16 LEDs simultaneously.

  5. Q: What is the input voltage range for TLC5905PAP? A: The input voltage range for TLC5905PAP is typically between 3V and 5.5V.

  6. Q: Can TLC5905PAP be cascaded to control more than 16 LEDs? A: Yes, multiple TLC5905PAP devices can be cascaded together to control a larger number of LEDs.

  7. Q: Does TLC5905PAP have built-in thermal shutdown protection? A: Yes, TLC5905PAP has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can TLC5905PAP dim the LEDs? A: Yes, TLC5905PAP supports LED dimming through pulse width modulation (PWM) control.

  9. Q: Is there any specific software or programming required to use TLC5905PAP? A: TLC5905PAP can be controlled using simple digital signals, so no specific software or programming is required.

  10. Q: What are some typical applications of TLC5905PAP? A: TLC5905PAP is commonly used in applications such as LED displays, signage, automotive lighting, and architectural lighting.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the technical solution.