Texas Instruments

TLC5946PWPR  

External/Internal LED Drivers

TLC5946PWPR Description

The TLC5946PWPR is a high-performance, 16-channel LED driver from Texas Instruments, designed for applications such as backlighting and signage. This linear driver offers a range of features that make it an ideal choice for demanding lighting applications. With a maximum supply voltage of 5.5V and an output voltage of 17V, the TLC5946PWPR can drive LEDs with high efficiency and precision. The device is RoHS3 compliant, REACH unaffected, and has an ECCN classification of EAR99, ensuring compliance with environmental and export regulations.

TLC5946PWPR Features

• Voltage - Supply (Min/Max): 3V to 5.5V
• Voltage - Output: 17V
• Current - Output / Channel: 40mA
• Topology: Shift Register
• Mounting Type: Surface Mount
• Number of Outputs: 16
• Type: Linear
• Internal Switch(s): Yes
• Moisture Sensitivity Level (MSL): 2 (1 Year)
• Package: Tape & Reel (TR)
• Base Product Number: TLC5946

The TLC5946PWPR stands out from similar models due to its ability to handle a wide range of supply voltages and its high output voltage, which is crucial for driving LEDs in demanding applications. The device's shift register topology allows for efficient control of multiple channels, reducing complexity and increasing flexibility in design.

TLC5946PWPR Applications

The TLC5946PWPR is particularly well-suited for applications where precise control of LED brightness and color is required. Some specific use cases include:

1. Backlighting: In LCD and LED displays, the TLC5946PWPR can provide uniform and adjustable backlighting, enhancing image quality and user experience.
2. Signage: For digital signage and billboards, the driver ensures consistent and vibrant colors, even in varying ambient light conditions.
3. Automotive Lighting: The device can be used to control the intensity and color of LEDs in automotive applications, such as headlights and taillights, for improved visibility and safety.

Conclusion of TLC5946PWPR

In conclusion, the TLC5946PWPR is a versatile and powerful LED driver that offers a combination of high output voltage, precise current control, and a wide operating voltage range. Its unique features, such as internal switches and shift register topology, make it an excellent choice for a variety of lighting applications. With its compliance with environmental and export regulations, the TLC5946PWPR is a reliable and efficient solution for designers looking to create high-quality lighting systems.

TLC5946PWPR Documents

Download datasheets and manufacturer documentation for TLC5946PWPR

PCN Assembly/Origin :

Mult Devices Rev 13/Mar/2018      

Datasheets :

TLC5946 Datasheet      

Design Resources :

Lighting Product Selector      

HTML Datasheet :

TLC5946 Datasheet