LP8552TLE-E06/NOPB

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The LP8552TLE-E06/NOPB is a 3-string, 4-channel LED driver from Texas Instruments that provides a wide range of current (up to 40mA/string) and voltage (up to 19V/string) settings, addressing a variety of general lighting and display applications. It is designed for use with an array of active- and passive- matrix displays, such as LCD, OLED, and plasma displays, and features built-in synchronization and protection features. The LP8552TLE-E06/NOPB is a PMIC (Power Management IC) under the category of LED drivers.

Overview

The LP8552TLE-E06/NOPB is a high-performance, very low power, three-string, four-channel LED driver IC with a wide range of current and voltage settings. It is designed to be used on a variety of general lighting and display applications including active and passive matrix displays, such as LCD, OLED, and plasma displays. It can drive currents up to 40mA/string and voltages up to 19V/string.

Features

The LP8552TLE-E06/NOPB provides multiple current and voltage settings to support a wide range of application needs. It features a low dropout voltage, enabling the device to deliver high efficiency while staying in regulation. It also includes built-in synchronization features, allowing it to be used on large displays and applications with multiple rows and columns. Additionally, the LP8552TLE-E06/NOPB is designed with protection features to safeguard against latch-up and overcurrent conditions. For added flexibility, it is also designed with an SPI interface.

Application Field

The LP8552TLE-E06/NOPB is suitable for a variety of applications, including:

• Active- and passive-matrix displays, such as LCD, OLED, and plasma displays.
• General lighting and display applications, including industrial, automotive, and consumer applications.
• LED billboards and rear projection TVs
• Signage, stage lighting, and LED strips

Working Principle

The LP8552TLE-E06/NOPB is a 3-string, 4-channel LED driver capable of providing a wide range of current and voltage settings. It is designed to drive currents up to 40mA/string and voltages up to 19V/string. The device is driven by the SPI interface, allowing for flexible programming and control. The power management section includes an adjustable low dropout regulator that can be used to set the LED current and voltage. The LED current is then set through the LED Driver block, which is powered by the low dropout regulator. The LED Driver also includes built-in synchronization capability, allowing for synchronized operation of multiple strings and channels. Finally, the device includes protection features to safeguard against latch-up and overcurrent conditions.

Conclusion

The LP8552TLE-E06/NOPB from Texas Instruments is a 3-string, 4-channel LED driver designed for use with active- and passive- matrix displays. It provides a wide range of current and voltage settings, up to 40mA/string and 19V/string, respectively. The device includes built-in synchronization features and is designed with an SPI interface for flexible programming and control. Additionally, it features a low dropout regulator and protection features to safeguard against latch-up and overcurrent conditions. The LP8552TLE-E06/NOPB is a PMIC (Power Management IC) under the category of LED drivers.

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