Texas Instruments

LP8556SQX-E09/NOPB

The LP8556SQX-E09/NOPB is a highly integrated, low-power LED driver from Texas Instruments. It is designed to provide efficient and precise control of LED lighting systems in a wide range of applications.

Description:

The LP8556SQX-E09/NOPB is a programmable LED driver that can drive up to six individual LED strings with a total output current of up to 1.5A. It features a constant current architecture with programmable current and dimming control. The device is available in a compact, thermally enhanced 24-ball WLCSP (Wafer Level Chip Scale Package) package.

Features:

1. Six independent LED channels with programmable current and dimming control
2. Total output current up to 1.5A
3. Wide input voltage range of 2.7V to 5.5V
4. Constant current operation with programmable current from 1mA to 350mA per channel
5. Pulse width modulation (PWM) dimming with a frequency range of 200Hz to 25kHz
6. Analog dimming with a 0% to 100% dimming range
7. Integrated power switches with low on-resistance to minimize power dissipation
8. Thermal protection and overcurrent protection
9. Small form factor with a 24-ball WLCSP package

Applications:

The LP8556SQX-E09/NOPB is suitable for a wide range of LED lighting applications, including:

1. Mobile devices, such as smartphones and tablets
2. Portable electronics, such as laptops and digital cameras
3. Automotive interior and exterior lighting
4. Ambient light sensors and proximity sensors
5. Medical and industrial equipment with LED indicators
6. General, such as residential and commercial lighting systems

In summary, the LP8556SQX-E09/NOPB is a versatile and efficient LED driver that offers precise control and dimming capabilities for various lighting applications. Its compact form factor and low-power operation make it an ideal choice for space-constrained and battery-powered devices.