This Chestnut Display Driver/Boost IC has a built-in high efficiency boost regulator.
Unused sinks are disabled by tying them to ground. The boost output automatically adjusts its voltage to the WLED forward voltage to improve efficiency.
This stobe/flash driver/boost IC supports multiple brightness dimming methods.
It’s also known as: Chestnut Display Driver / Boost IC.
Compatible with A2221 / A2111 / A2223 / A1984 / A2105 / A2106 / A2107 / A2108