Figure 3 from A stackable, 6-cell, Li-ion, battery management IC for electric vehicles with 13, 12-bit ΣΔ ADCs, cell balancing, and direct-connect current-mode communications | Semantic Scholar
Battery Balancing IC Works With Up to Four 12 V Batteries in Series | Electronic Design
HY2212-CB3A One-Cell LiFePO4 Battery Charge Balance IC – Yousun