Texas Instruments

TLC5940PWPR

Description:

The TLC5940PWPR is a high-performance, 16-channel constant-current LED driver from Texas Instruments. It is designed to provide precise control and dimming of LED arrays in various applications. The device is available in a 28-Pin, 4mm x 5mm Inverse QFN package.

Features:

1. 16 individually programmable constant-current sinks with a maximum output current of 120mA per channel.
2. 12-bit current resolution for each channel, allowing for precise control of LED brightness.
3. Pulse Width Modulation (PWM) dimming with a frequency range of 490Hz to 940Hz, reducing flicker and providing smooth dimming.
4. Global brightness control with 12-bit resolution for simultaneous dimming of all channels.
5. 1-Wire communication interface for easy integration and control.
6. Internal oscillator with an external clock input option for synchronization with other devices.
7. Power-saving features, such as shutdown mode and thermal shutdown protection.
8. Wide operating voltage range of 2.7V to 5.5V for compatibility with various power sources.
9. Short-circuit protection, open-circuit detection, and LED open/short protection for reliable operation.
10. Small form factor, making it suitable for compact and space-constrained applications.

Applications:

1. LED backlighting for LCD displays, including TVs, monitors, and notebooks.
2. LED lighting for automotive applications, such as interior and exterior lighting.
3. LED lighting for architectural and landscape lighting, providing energy-efficient and long-lasting illumination.
4. LED signage and billboards, offering vibrant colors and dynamic lighting effects.
5. LED lighting for industrial and medical equipment, providing consistent and controlled illumination.
6. LED art installations and creative lighting projects, enabling complex lighting sequences and effects.
7. General-purpose LED dimming and control in various applications, such as home automation and smart lighting systems.