https://www.nxp.com/packages/SOT1901-1
SOT1901-1: WLCSP8Wafer Level Chip-size Package | NXP Semiconductors
Miniature 16-pin wafer-level chip scale package with 0.4mm pitch and 1.62x1.62mm footprint designed for mobile and space-constrained applications
levelchipsizepackagenxp