US 12,151,587 B2
Power integrated circuit for electric vehicle applications
Sumegh Kadam, Gothenburg (SE); Hicham Sadoun, Gothenburg (SE); Avishek Kumar Mohanty, Gothenburg (SE); and Narendar Rao Gannamaneni, Gothenburg (SE)
Assigned to Volvo Car Corporation, Gothenburg (SE)
Filed by Volvo Car Corporation, Gothenburg (SE)
Filed on Jan. 28, 2022, as Appl. No. 17/587,782.
Claims priority of provisional application 63/152,115, filed on Feb. 22, 2021.
Prior Publication US 2022/0266718 A1, Aug. 25, 2022
Int. Cl. B60L 58/13 (2019.01); B60L 1/00 (2006.01); B60L 58/16 (2019.01); B60L 58/22 (2019.01)
CPC B60L 58/13 (2019.02) [B60L 58/16 (2019.02); B60L 58/22 (2019.02); B60L 1/00 (2013.01); B60L 2210/40 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a plurality of smart battery cells, wherein each smart battery cell comprises:
an application specific integrated circuit (ASIC), wherein the ASIC comprises:
a power ASIC that controls charging and discharging of the smart battery cell,
a bidirectional direct current to alternating current (DC-AC) converter, and
a battery cell impedance sensor, wherein the ASIC determines a health status of the of smart battery cell, according to a defined health metric, based on an outputs of the battery cell impedance sensor.