Look at the physical component. Is there a logo (circle, square, letters like "M", "T", "P") next to the number? That will help identify the real manufacturer.
Feed a noisy signal into the delay line and compare input vs. delayed output using an AND gate. Pulses shorter than 102 ns are rejected. 9e102 datasheet
The marking typically refers to the BD9E102FJ-GE2 ) synchronous buck converter manufactured by Rohm Semiconductor Look at the physical component
: CPU VRM or main DC-in circuits for brands like Dell, HP, Lenovo, and ASUS. Storage Devices : Managing data storage and retrieval in SSDs. Embedded Systems letters like "M"