BU2879AK Datasheet - Rohm

BU2879AK FL tube driver

Pin No. 14, 38 44 7, 43 6 5 8 9 15 ~ 25 27 42 ~ 39, 37 ~ 32 26, 28 ~ 31 10 ~ 13 Pin VDD OSC VSS SI SO SCK CS S1 ~ S11 VEE G1 ~ G10 S12 / G15 S16 / G11 K1 ~ K4 ~ SW1 ~ SW4 Name Power supply pin 1 Oscillation pin Ground pin Serial data input Serial data output Serial clock input Serial chip select Hi.

BU2879AK Features

* 1) High withstanding voltage output. 2) Display modes: 11S × 15G ~ 16S × 8G. 3) Variable display luminance (7 steps). 4) 3-wire serial interface. 5) Key scanning function (6 × 4). 6) Internal pull-down resistance (high voltage withstand output). 7) QFP 44 package.

* Absolute maxim

BU2879AK_Rohm.pdf