TLC5949DBQR
Product Overview
The TLC5949DBQR belongs to the category of LED drivers and controllers. It is commonly used in applications where precise control of LED brightness is required. The device is known for its high precision, grayscale PWM control, and daisy-chainable interface. The package type for the TLC5949DBQR is VQFN-24, and it is available in tape and reel packaging with a quantity of 2500 units per reel.
Specifications
- Supply Voltage: 3V to 5.5V
- Number of Channels: 16
- Interface: Serial
- Package Type: VQFN-24
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The TLC5949DBQR features a 24-pin VQFN package with the following pin configuration: 1. OUT0 2. OUT1 3. OUT2 4. OUT3 5. OUT4 6. OUT5 7. OUT6 8. OUT7 9. GND 10. SIN 11. SCLK 12. XLAT 13. BLANK 14. VCC 15. IREF 16. OUT15 17. OUT14 18. OUT13 19. OUT12 20. OUT11 21. OUT10 22. OUT9 23. OUT8 24. GND
Functional Features
The TLC5949DBQR offers precise grayscale PWM control, allowing for accurate LED brightness adjustment. Its daisy-chainable interface enables easy scalability for controlling multiple LEDs. The device also features a built-in error detection circuitry, ensuring reliable operation.
Advantages and Disadvantages
Advantages
- High precision grayscale PWM control
- Daisy-chainable interface for scalability
- Built-in error detection circuitry
Disadvantages
- Limited to 16 channels
- Requires external resistors for current setting
Working Principles
The TLC5949DBQR operates by receiving serial input data and converting it into PWM signals to control the brightness of connected LEDs. The grayscale PWM control allows for smooth transitions between different brightness levels, providing high-quality lighting effects.
Detailed Application Field Plans
The TLC5949DBQR is widely used in various applications such as: - LED displays - Architectural lighting - Automotive lighting - Signage - Gaming peripherals
Detailed and Complete Alternative Models
Some alternative models to the TLC5949DBQR include: - TLC5947 - TLC5951 - MAX7219 - AS1130
In conclusion, the TLC5949DBQR is a versatile LED driver and controller that offers high precision and grayscale PWM control. Its daisy-chainable interface and error detection circuitry make it suitable for a wide range of LED control applications.
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技術ソリューションにおける TLC5949DBQR 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。
What is TLC5949DBQR?
- The TLC5949DBQR is a 16-channel, constant-current sink driver with grayscale PWM control for LED displays.
What is the maximum output current of TLC5949DBQR?
- The TLC5949DBQR can provide a maximum output current of 120 mA per channel.
What is the supply voltage range for TLC5949DBQR?
- The supply voltage range for TLC5949DBQR is typically 3V to 5.5V.
How many bits of grayscale control does TLC5949DBQR offer?
- TLC5949DBQR offers 12-bit grayscale control for each LED channel.
Can TLC5949DBQR be cascaded to drive more than 16 channels?
- Yes, TLC5949DBQR can be cascaded to drive multiple devices and expand the number of controlled channels.
What is the communication interface used by TLC5949DBQR?
- TLC5949DBQR uses a serial interface (SPI) for communication with a microcontroller or other control devices.
Does TLC5949DBQR have built-in thermal shutdown protection?
- Yes, TLC5949DBQR includes built-in thermal shutdown protection to prevent damage from excessive heat.
What are the typical applications of TLC5949DBQR?
- Typical applications include LED displays, LED signage, LED matrix panels, and other LED-based visual solutions.
Is TLC5949DBQR suitable for automotive lighting applications?
- Yes, TLC5949DBQR is suitable for automotive lighting applications due to its high current capability and grayscale control.
What are the key features that make TLC5949DBQR suitable for LED display applications?
- The key features include high current capability, grayscale control for smooth dimming, thermal protection, and cascading capability for driving multiple channels.