The TLC5947DAPG4 belongs to the category of integrated circuits (ICs) specifically designed for LED lighting applications.
This product is primarily used for controlling and driving LEDs in various lighting systems, such as automotive lighting, signage, and architectural lighting.
The TLC5947DAPG4 is available in a small form factor HTSSOP package, which facilitates easy integration into compact electronic designs.
The essence of the TLC5947DAPG4 lies in its ability to efficiently control and drive LEDs, enabling the creation of visually appealing lighting effects with high precision and flexibility.
This product is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.
The TLC5947DAPG4 features a 28-pin HTSSOP package with the following pin configuration:
The TLC5947DAPG4 offers 12-bit grayscale PWM control, allowing precise adjustment of LED brightness levels. This feature enables smooth fading effects and accurate color mixing.
Multiple TLC5947DAPG4 ICs can be daisy-chained together, simplifying the control of large LED arrays. This feature reduces the complexity of wiring and improves overall system scalability.
With constant current sink outputs, the TLC5947DAPG4 ensures consistent brightness across multiple LEDs, even when the supply voltage fluctuates. This feature eliminates the need for external current-limiting resistors.
The operating voltage range of 3V to 5.5V makes the TLC5947DAPG4 compatible with various power supply options, enhancing its versatility in different lighting applications.
The TLC5947DAPG4 operates by receiving serial data input (SIN) and clock signals (SCLK) to control the grayscale PWM of each LED channel. The grayscale data is latched (XLAT) and then applied to the constant current sink outputs (OUT0 to OUT23) through a grayscale clock (GSCLK). This process ensures precise control of LED brightness levels.
The TLC5947DAPG4 finds applications in various fields, including:
Sure! Here are 10 common questions and answers related to the application of TLC5947DAPG4 in technical solutions:
Q: What is the TLC5947DAPG4? A: The TLC5947DAPG4 is a 24-channel, constant-current sink LED driver that can be used to control LEDs in various applications.
Q: What is the maximum current per channel that the TLC5947DAPG4 can handle? A: The TLC5947DAPG4 can handle a maximum current of 120 mA per channel.
Q: Can the TLC5947DAPG4 be used to drive RGB LEDs? A: Yes, the TLC5947DAPG4 can be used to drive RGB LEDs by controlling the intensity of each color channel separately.
Q: How many TLC5947DAPG4 devices can be daisy-chained together? A: Multiple TLC5947DAPG4 devices can be daisy-chained together to control a larger number of LEDs. The exact number depends on the specific application and power requirements.
Q: What is the communication interface used to control the TLC5947DAPG4? A: The TLC5947DAPG4 uses a serial interface (SPI) for communication with a microcontroller or other control device.
Q: Can the TLC5947DAPG4 be used in high-power LED applications? A: No, the TLC5947DAPG4 is designed for low to medium power LED applications. For high-power LED applications, a different LED driver with higher current handling capabilities should be used.
Q: Does the TLC5947DAPG4 have built-in thermal protection? A: Yes, the TLC5947DAPG4 has built-in thermal shutdown protection to prevent overheating.
Q: Can the TLC5947DAPG4 be used in automotive applications? A: Yes, the TLC5947DAPG4 is suitable for automotive applications as it can operate over a wide temperature range and has ESD protection.
Q: What is the supply voltage range for the TLC5947DAPG4? A: The TLC5947DAPG4 operates with a supply voltage range of 3 V to 5.5 V.
Q: Are there any evaluation boards or reference designs available for the TLC5947DAPG4? A: Yes, Texas Instruments provides evaluation boards and reference designs for the TLC5947DAPG4, which can help in the development and testing of applications using this LED driver.
Please note that these answers are general and may vary depending on the specific requirements and implementation of the TLC5947DAPG4 in different technical solutions.