ADP5520 Datasheet | Analog Devices

10kΩ 10kΩ 2.2kΩ 2.2kΩ I/O I/O 07445-001 Data Sheet Backlight Driver with I/O Expander ADP5520 Features Efficient asynchronous boost converter for driving up to 6 white LEDs 2.7 V to 5.5 V input voltage range 128 programmable backlight LED current levels (30 mA maximum) Ambient light sensing with autonomous backlight adjustment Programmable backlight fade-in/fade-out times Programmable backlight dim and off times 8 configurable GPIO pins (input, output, up to 4 × 4 keypad) Up to 3 auxiliary LED current sinks (1 dedicated, 2 configurable) 64 programmable auxiliary LED current levels (14 mA maximum) Programmable auxiliary LED fade-in/fade-out times Programmable auxiliary LED on and off...