LP8552TLE-E04/NOPB

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PMIC - LED Drivers are used to manage a wide range of LED applications such as LED lighting, LED displays, LED signage and LED automotive lighting. The Texas Instruments LP8552TLE-E04/NOPB LED driver is a low-power LED controller with PWM dimming control, built-in overvoltage, overtemperature and active-low shutdown features. It is ideal for applications requiring simple and cost-efficient LED control solutions.

The LP8552TLE-E04/NOPB is a pulse-width modulation (PWM) based LED driver that provides a constant current (constant intensity) to drive four strings of LEDs, each string containing up to three LEDs in series. The output current per string is controlled by PWM dimming and the LP8552TLE-E04/NOPB can operate with a switching frequency up to 500KHz (500,000 Hz) and duty cycle range of 0-100% for a wide range of LED applications.

The LP8552TLE-E04/NOPB includes a wide supply range from 2.5V to 17V with typical supply current of 1.3mA and can support LED currents between 8mA and 180mA. The device also offers protection with built-in overcurrent and overvoltage protection with LED current foldback. In addition, the device also offers active-low shutdown mode with typical quiescent current of less than 1uA.

This PWM-based LED driver offers regulated, flicker free output current even over wide input voltage variations and is capable of dimming LEDs by adjusting the duty cycle of the PWM signal. To reduce EMI in the system, the device contains a frequency hopping feature which allows the user to select a random frequency from within a predefined range. By selecting different frequency, flicker at the human eye is reduced.

The LP8552TLE-E04/NOPB is a low-power, low-noise, low-cost device with several features tailored to LED lighting applications. The device is available in an environmentally friendly RoHS-compliant lead-free 16-pin TSSOP package, making it ideal for space-constrained designs such as those used in LED signage, automotive lighting and other applications.

In summary, the LP8552TLE-E04/NOPB is an ideal LED driver solution for a wide variety of LED lighting applications. It offers multiple protection features to ensure reliable operation in harsh environments and is capable of providing regulated and flicker-free operation over a wide input voltage range. With its high switching frequency and wide dimming range, it is the ideal LED driver solution for applications such as LED lighting, LED displays and LED automotive lighting.

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