Texas Instruments

TLC5916IDR  

External/Internal LED Drivers

The TLC5916IDR is a 16-bit, constant-frequency, current-output, PWM step-down (buck) regulator from Texas Instruments. It is designed to provide efficient power conversion for a wide range of applications, including portable devices, power supplies, and battery-powered systems.

Description:

The TLC5916IDR is a highly integrated, high-efficiency step-down regulator that uses a constant-frequency, current-mode control scheme. It features a wide input voltage range, low quiescent current, and a small package size, making it suitable for a variety of power conversion applications.

Features:

1. Wide input voltage range: The TLC5916IDR can operate with input voltages from 2.5V to 5.5V, making it suitable for a wide range of power sources.
2. High efficiency: The regulator achieves high efficiency levels of up to 95%, depending on the input voltage and output current.
3. Constant-frequency operation: The TLC5916IDR operates at a constant switching frequency of 1MHz, which simplifies the design of the output filter and reduces the size of external components.
4. Low quiescent current: The regulator has a low quiescent current of 3.5μA, which helps to minimize power consumption in battery-powered applications.
5. Small package size: The TLC5916IDR is available in a compact 10-pin, 3mm x 3mm WQFN package, which saves space on the PCB.
6. Programmable soft-start: The soft-start feature can be programmed to reduce inrush current during startup.
7. Over-current protection: The regulator includes over-current protection to protect the system from excessive current draw.
8. Thermal shutdown: The TLC5916IDR features thermal shutdown protection to prevent damage due to overheating.

Applications:

1. Portable devices: The high efficiency and low quiescent current make the TLC5916IDR suitable for powering portable devices such as smartphones, tablets, and wearables.
2. Power supplies: The regulator can be used in power supply applications, such as USB power delivery, where high efficiency and a small form factor are important.
3. Battery-powered systems: The low quiescent current and wide input voltage range make the TLC5916IDR suitable for battery-powered systems, such as wireless sensors, IoT devices, and portable medical equipment.
4. LED lighting: The constant-frequency operation and programmable soft-start features make the TLC5916IDR suitable for driving LED lighting applications with precise dimming control.
5. Industrial control: The regulator can be used in industrial control applications where high efficiency and a wide input voltage range are required.

In summary, the Texas Instruments TLC5916IDR is a versatile, high-efficiency step-down regulator with a wide input voltage range, low quiescent current, and a small package size. It is suitable for a variety of power conversion applications, including portable devices, power supplies, battery-powered systems, LED lighting, and industrial control.

TLC5916IDR Documents

Download datasheets and manufacturer documentation for TLC5916IDR

Datasheets :

TLC5916,17      

Design Resources :

Lighting Product Selector      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Design 25/Feb/2022