LP5552TL/NOPB

Series:	PowerWise®
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Handheld/Mobile Devices
Current - Supply:	--
Voltage - Supply:	2.7 V ~ 4.8 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	36-WFBGA
Supplier Device Package:	36-µSMD (3.46x3.46)
Base Part Number:	LP5552

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Introduction to LP5552TL/NOPB

LP5552TL/NOPB is an advanced LED driver from Texas Instruments that is designed to address the growing trend of LED lighting applications in consumer electronics, industrial, and systems applications. It features a dual-channel current regulator, and adjustable step down regulator that can provide up to 350 mA drive for the LEDs. The LP5552TL/NOPB is designed for easy integration into existing designs, and offers ultra-fast switching speed, high accuracy, and a low SOIC package that makes it ideal for IoT devices.

LP5552TL/NOPB Application Field

The LP5552TL/NOPB is an ultra-high-efficiency, high-performance LED driver that is suitable for a wide range of lighting applications. It is ideal for applications such as automotive lighting, digital signage, entertainment lighting, and decorative lighting, as well as low power devices such as e-readers, smartphones, and tablets. It also provides a wide range of voltage and current settings, and is available in a variety of package sizes to accommodate any size application.

In automotive lighting, the LP5552TL/NOPB provides the necessary brightness levels and low power consumption for headlights, taillights and hazard lights. The dual-channel current regulator allows for dimming of the LEDs, enabling more creative lighting designs. Additionally, the current settings and regulation can be customized and optimized for energy efficiency. The LP5552TL/NOPB is also designed for daytime running lights, emergency vehicle light bars, and interior lighting systems.

In digital signage, the LP5552TL/NOPB provides the necessary output and brightness levels to create attention-grabbing signs and displays. Its small package size helps reduce the overall system size and cost, while the multiple current and voltage settings allow for complete customization of the lighting system. The LP5552TL/NOPB is ideal for bright and dynamic digital signs, as well as backlit displays.

In entertainment lighting, the LP5552TL/NOPB offers high brightness levels and low power consumption for theatre, night club, and other theatrical and amusement park lighting designs. The dual-channel current regulator allows for complex lighting sequences and shows with speeds, brightness levels, and timers customizable to exact specifications. The LP5552TL/NOPB is also ideal for outdoor displays, such as times square displays, as it is capable of delivering high output with ultra-low power consumption.

In low power devices, the LP5552TL/NOPB allows for precise control of the LED brightness levels. It also supports multiple voltage and current settings, enabling efficient utilization of the battery life. For example, in e-readers and tablets, the LP5552TL/NOPB can provide precise brightness control, enabling comfortable and low power reading experience. The LP5552TL/NOPB also supports a wide range of LED lights and is available in a variety of package sizes to fit into any design.

LP5552TL/NOPB Working Principle

The LP5552TL/NOPB is an adjustable step-down current regulator with current and voltage settings. It consists of a typical buck converter with two pins, the input and output. The input pin is connected to the source voltage, while the output pin is connected to the load. The voltage setting is controlled by a PWM signal, which is generated by a dedicated switch. The PWM signal is used to adjust the buck converter’s duty cycle, which in turn allows for precise regulation of the output current. The current setting is adjusted using a programmable current register, which allows for precise control of the LED brightness levels.

The LP5552TL/NOPB is an ultra-high-efficiency LED driver with up to 96% conversion efficiency. Thanks to its low power consumption and ultra-fast switching speeds, it offers low EMI, improved power factor correction, and reduced current ripple. The LP5552TL/NOPB can be configured for dimming, enabling adjustability of LED brightness levels. The LP5552TL/NOPB also supports a wide voltage range, making it ideal for a variety of applications.

Conclusion

The LP5552TL/NOPB from Texas Instruments is an advanced LED driver with dual-channel current regulator and adjustable step down regulator capabilities. It features an ultra-high-efficiency design with up to 96% conversion efficiency, and a wide voltage range that makes it suitable for many applications. The LP5552TL/NOPB is ideal for automotive lighting, digital signage, entertainment lighting, and low power devices such as e-readers and tablets. The dual-channel current regulator enables precise control of the LED brightness levels, and allows for dimming, making the LP5552TL/NOPB a versatile and efficient LED driver.

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