AW9109

9 Programmable LED Driver AW9109 Feb. 2019 V1.4 FEATURES  8-level LED Maximum Current for each LED, GENERAL DESCRIPTION AW9109 integrates a SRAM program-controlled 9 l max 24.5mA  Internal ASP with 256*16bit SRAM  Programmable to Achieve Custom Light Effect  256-level Linear/Logarithmic PWM Dimming,9 bits PWM resolution tia LED driver. 9 LED driver uses common anode current source and PWM dimming. Each LED is 8-level driver current selectable with dimming independently controlled by external MCU or internal 256word*16bit SRAM program.  Compatible I2C Interface, VIO: 1.8V ~ 3.3V  Single Power Supply, Voltage Range: 3.0V ~ 4.5V  QFN 3mm×3mm×0.75mm- 20L Package Compatible I2C interface of 400kHz fast mode is n provided. It requires only 3.0V-4.5V single power e supply. APPLICATIONS Mobile Phones, MID Portable Media Player Home Appliances nfid o TYPICAL APPLICATION CIRCUIT MCU/BB VBAT C VIO icVBAT 1mF AD GND LED1 LED2 LED3 in SCL SDA 4.7kΩ x3 GND LED4 GND LED5 AW9109 LED6 SCL SDA LED7 INTN wGPO a INTN PDN LED8 LED9 Figure 1 AW9109 Typical Application Circuit All trademarks are the property of their respective owners. www.awinic.com.cn 1 Copyright © 2017 SHANGHAI AWINIC TECHNOLOGY CO., LTD AW9109 Feb. 2019 V1.4 CONTENT 1 PIN CONFIGURATION AND TOP MARK....................................................................................................4 2 PIN DEFINITION.........................................................................