PCA9485 Datasheet, NXP

all the functions with an I2C interface, with up to 1 MHz speed. NXP Semiconductors PCA9485 13 A 4:1, 1:4, 2:1, 1:2, and 1:1 mode switched capacitor direct charger 2 F.

with a 1-cell battery. The device works in 4:1 switching operation with an extremely high efficiency (around 96.8 %, at .