Texas Instruments
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
TLC59108IRGYR
Näytä Yksityiskohdat DataSheets

TLC59108IRGYR

Product Overview

Category

TLC59108IRGYR belongs to the category of LED drivers.

Use

It is primarily used for driving and controlling LEDs (Light Emitting Diodes).

Characteristics

  • TLC59108IRGYR is a versatile LED driver that offers high performance and flexibility.
  • It supports constant current sink drive capability, making it suitable for various LED applications.
  • The device operates with a wide supply voltage range, allowing compatibility with different power sources.
  • It features an integrated power-on reset circuitry, ensuring reliable operation during power-up sequences.
  • TLC59108IRGYR incorporates thermal shutdown protection, preventing damage due to excessive heat.
  • It supports both hardware and software-controlled dimming functions, enabling precise control over LED brightness.

Package

TLC59108IRGYR is available in a compact 20-pin VQFN package.

Essence

The essence of TLC59108IRGYR lies in its ability to efficiently drive and control LEDs, providing a reliable and flexible solution for various lighting applications.

Packaging/Quantity

This product is typically sold in reels, with each reel containing a specific quantity of TLC59108IRGYR units. The exact quantity may vary depending on the manufacturer or distributor.

Specifications

  • Supply Voltage Range: 2.3V to 5.5V
  • Number of Channels: 8
  • Maximum Output Current per Channel: 120mA
  • Dimming Control: Hardware and Software
  • Thermal Shutdown Protection: Yes
  • Package Type: VQFN-20

Detailed Pin Configuration

  1. GND - Ground
  2. SDA - I2C Serial Data Input
  3. SCL - I2C Serial Clock Input
  4. OE - Output Enable
  5. REXT - External Resistor for Output Current Setting
  6. VCC - Supply Voltage
  7. OUT0 - LED Output Channel 0
  8. OUT1 - LED Output Channel 1
  9. OUT2 - LED Output Channel 2
  10. OUT3 - LED Output Channel 3
  11. OUT4 - LED Output Channel 4
  12. OUT5 - LED Output Channel 5
  13. OUT6 - LED Output Channel 6
  14. OUT7 - LED Output Channel 7
  15. VDD - Digital Supply Voltage
  16. GND - Ground
  17. GND - Ground
  18. GND - Ground
  19. GND - Ground
  20. GND - Ground

Functional Features

  • Constant Current Sink Drive Capability: TLC59108IRGYR can sink a constant current to drive LEDs, ensuring consistent brightness levels.
  • Power-On Reset Circuitry: Integrated power-on reset circuitry guarantees reliable operation during power-up sequences.
  • Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive heat.
  • Dimming Control: TLC59108IRGYR supports both hardware and software-controlled dimming functions, allowing precise control over LED brightness.
  • I2C Interface: The device utilizes the I2C serial interface for communication with external microcontrollers or other devices.

Advantages and Disadvantages

Advantages

  • Versatile LED driver suitable for various applications
  • Wide supply voltage range for compatibility with different power sources
  • Integrated power-on reset circuitry ensures reliable operation
  • Supports both hardware and software-controlled dimming functions
  • Thermal shutdown protection prevents damage from excessive heat

Disadvantages

  • Limited to driving LEDs and not compatible with other types of loads
  • Requires additional external components for proper operation

Working Principles

TLC59108IRGYR operates by receiving control signals through the I2C interface. These signals determine the desired LED brightness levels and dimming settings. The device then sinks a constant current to the connected LEDs, driving them with the specified brightness. The integrated power-on reset circuitry ensures proper initialization during power-up, while thermal shutdown protection safeguards against overheating.

Detailed Application Field Plans

TLC59108IRGYR finds applications in various fields where LED lighting is required. Some potential application areas include: - Automotive lighting systems - Signage and display boards - Backlighting for LCD panels - Architectural and decorative lighting - Industrial and commercial lighting

Detailed and Complete Alternative Models

  1. TLC59116IRGYR: Similar to TLC59108IRGYR but with 16 channels instead of 8.
  2. TLC59108IPWR: Same functionality as TLC59108IRGYR but available in a different package (TSSOP-20).
  3. TLC5940PWPR: LED driver with 16 channels and additional grayscale control capabilities.

These alternative models offer similar features and functionality, providing options for different channel requirements or package preferences.

Word count: 615 words

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TLC59108IRGYR :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TLC59108IRGYR in technical solutions:

  1. Q: What is TLC59108IRGYR? A: TLC59108IRGYR is a 8-bit constant-current LED sink driver that can be used to control multiple LEDs in various applications.

  2. Q: What is the maximum number of LEDs that can be controlled by TLC59108IRGYR? A: TLC59108IRGYR can control up to 8 LEDs individually or in parallel.

  3. Q: How does TLC59108IRGYR provide constant current to the LEDs? A: TLC59108IRGYR uses an internal current-sensing circuitry to maintain a constant current through each LED, regardless of supply voltage variations.

  4. Q: Can TLC59108IRGYR be used with both common-anode and common-cathode LEDs? A: Yes, TLC59108IRGYR can be used with both common-anode and common-cathode LEDs, providing flexibility in design.

  5. Q: What is the communication interface supported by TLC59108IRGYR? A: TLC59108IRGYR supports I2C (Inter-Integrated Circuit) communication interface, allowing easy integration with microcontrollers or other devices.

  6. Q: Can TLC59108IRGYR dim the LEDs? A: Yes, TLC59108IRGYR supports individual PWM (Pulse Width Modulation) control for each LED, enabling smooth dimming effects.

  7. Q: What is the maximum output current per channel provided by TLC59108IRGYR? A: TLC59108IRGYR can provide a maximum output current of 120 mA per channel.

  8. Q: Is TLC59108IRGYR compatible with both 3.3V and 5V systems? A: Yes, TLC59108IRGYR is compatible with both 3.3V and 5V systems, making it suitable for a wide range of applications.

  9. Q: Can multiple TLC59108IRGYR devices be cascaded together? A: Yes, multiple TLC59108IRGYR devices can be cascaded together using the I2C interface, allowing control of more than 8 LEDs.

  10. Q: What are some typical applications of TLC59108IRGYR? A: TLC59108IRGYR is commonly used in applications such as LED displays, signage, automotive lighting, decorative lighting, and backlighting.

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