LP5569RTWR Description

The LP5569RTWR is a programmable, easy-to-use 9-channel I2CLED driver designed to produce lighting effects for various applications. The LED driver LP5569RTWR is equipped with an internal SRAM memory for user-programmed sequences and three programmable LED engines, which allow operation without processor control. Autonomous operation reduces system power consumption when the processor is put in sleep mode.

LP5569RTWR Features

• Supply Voltage Range: 2.5 V–5.5 V

• Nine High-Accuracy Current Sinks

   -25.5 mA Maximum per Channel

   -8-Bit Individual Current Control

   -12-Bit 20-kHz Internal Individual PWM Control Without Audio Noise

• Three Programmable LED Engines

   -Independent Illumination Control Without Active MicrocontrollerControl

   -Synchronization Among Multiple Devices

   -Up to 256Instructions in SRAM Memory for Storing Sequences of Lighting Patterns

• Adaptive High-Efficiency Charge-Pump Control for Driving High-VF LEDs With Low Battery Voltage

• POR, UVLO, and TSD Protections

LP5569RTWR Applications

• Set-Top Box

• Smart Router

• Electric Lock

• Smoke Detector

• Thermostat

• Bluetooth? Headset

• Cell Phone

• Smart Speaker

• Smart Home Appliance

• Doorbell