2 layers92 × 44 mm

The BA6138 is an uncategorised made by ROHM Semiconductor in a SIP9 package with 9 pins. SIP9 New Arrivals ROHS.
JLCPCB lists it (part C7419828). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.

SIP9, with 9 pins.
JLCPCB lists it as part C7419828, with 0 in stock; the sellers' links on this page open their listings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.