IR2E51Y Datasheet - Sharp Electrionic

IR2E51Y Auto-Brightness Control LED Driver

IR2E51Y incorporates white LED driver with auto brightness control. This IC is equipped with charge pump DC/DC converter. Input voltage is boosted into CPO by a charge pump circuit. This IC maintains high efficiency since the charge pump circuit automatically selects 1x or 1.5x charge pump mode depe.

IR2E51Y Features

* 1. Supply Voltage Range: VIN=3.0V to 4.5V, VCC=2.3V to 3.2V 2. Supports I2C-Bus interface 3. SCL pin and SDA pin are installed with noise filters. 4. Sink-type variable constant current driver for LED (maximum current 27.4mA/ch) 5. Monitoring all LED pins (Response to VF variation of LED) 6.Auto bri

IR2E51Y_SharpElectrionic.pdf