I2c bus, System Management Bus, digital integrated circuits - tatanh1983/conchodom GitHub Wiki
PCA9532 Series 5.5 V 350 uA 400kHz 16-bit I2C-bus LED Dimmer - TSSOP-24
https://www.futureelectronics.com/p/semiconductors--comm-products--i2c/pca9532pw-112-nxp-3036484