Compare IPC-2221A (current) with the draft of IPC-2221B. The proposed changes to via-in-pad plating ratios reveal where the industry is panicking (hint: buried vias for 5G).
: 48V battery management system (BMS) – Class 2. Ipc-2221 Pcb Design Pdf
("Generic Standard on Printed Board Design") is a flagship publication from the Association Connecting Electronics Industries (IPC). It establishes the generic requirements for the design of organic printed boards and their forms of assembly. Compare IPC-2221A (current) with the draft of IPC-2221B
Design Rules and Parameters