Texas Instruments
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TLC5917QDRQ1
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TLC5917QDRQ1

Product Overview

The TLC5917QDRQ1 belongs to the category of LED drivers and is designed for automotive applications. It offers characteristics such as high efficiency, precise current regulation, and thermal shutdown protection. The package type is VSSOP, and it is available in reel packaging with a quantity of 2500 units.

Specifications

  • Input Voltage Range: 3V to 5.5V
  • Output Current: Up to 60mA per channel
  • Number of Channels: 8
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: VSSOP

Detailed Pin Configuration

The TLC5917QDRQ1 features a detailed pin configuration with specific functions assigned to each pin. The pinout includes power supply pins, serial data input/output pins, and LED output pins, all crucial for proper functionality.

Functional Features

  • Precise Current Regulation: Ensures consistent and accurate current output to the connected LEDs.
  • Thermal Shutdown Protection: Safeguards the device from overheating, enhancing its reliability.
  • Serial Data Interface: Allows for easy control and configuration of the LED driver.

Advantages and Disadvantages

Advantages

  • High Efficiency: Minimizes power loss and maximizes energy utilization.
  • Automotive Grade: Suitable for use in automotive environments, ensuring durability and reliability.

Disadvantages

  • Limited Output Current: The maximum output current per channel may not be sufficient for certain high-power LED applications.

Working Principles

The TLC5917QDRQ1 operates by receiving serial data input to control the current flowing through the connected LEDs. It regulates the current to maintain consistent brightness and prevent overloading.

Detailed Application Field Plans

The TLC5917QDRQ1 is ideal for various automotive lighting applications, including interior and exterior lighting, dashboard indicators, and backlighting. Its precise current regulation and thermal protection make it suitable for demanding automotive environments.

Detailed and Complete Alternative Models

  • TLC5916: Similar features with a different number of channels.
  • TLC59282: Offers higher output current capability for more demanding LED applications.

In conclusion, the TLC5917QDRQ1 LED driver offers precise current regulation and thermal protection, making it well-suited for automotive lighting applications. While it may have limitations in terms of output current, alternative models are available to address specific requirements.

기술 솔루션에 TLC5917QDRQ1 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is TLC5917QDRQ1?

    • The TLC5917QDRQ1 is a 16-channel constant-current LED sink driver with a programmable PWM control.

  2. What is the maximum output current of TLC5917QDRQ1?

    • The TLC5917QDRQ1 has a maximum output current of 120 mA per channel.

  3. What is the supply voltage range for TLC5917QDRQ1?

    • The supply voltage range for TLC5917QDRQ1 is 3 V to 5.5 V.

  4. How many bits are used for grayscale control in TLC5917QDRQ1?

    • TLC5917QDRQ1 uses 8-bit grayscale control for each channel.

  5. Can TLC5917QDRQ1 be cascaded to drive more than 16 channels?

    • Yes, TLC5917QDRQ1 can be cascaded to drive more than 16 channels by connecting the serial data output of one device to the serial data input of another.

  6. What is the communication interface used by TLC5917QDRQ1?

    • TLC5917QDRQ1 uses an I2C-compatible interface for communication.

  7. Does TLC5917QDRQ1 have built-in thermal shutdown protection?

    • Yes, TLC5917QDRQ1 has built-in thermal shutdown protection to prevent damage from excessive heat.

  8. What is the typical operating frequency of TLC5917QDRQ1?

    • The typical operating frequency of TLC5917QDRQ1 is 100 kHz.

  9. Can TLC5917QDRQ1 be used in automotive applications?

    • Yes, TLC5917QDRQ1 is designed for automotive applications and is AEC-Q100 qualified.

  10. Is there a reference design available for using TLC5917QDRQ1 in lighting applications?

    • Yes, reference designs are available for using TLC5917QDRQ1 in various lighting applications, including automotive interior lighting and exterior lighting.