Patent ID: 11955821
Assignee: O2MICRO INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. The device of claim 5, wherein said plurality of modes further comprises a one-battery charging mode, wherein in said one-battery charging mode, said switch control circuitry turns off said third switch, and controls said first and second switches such that a battery of said first and second batteries is charged by said input power,
wherein said one-battery charging mode comprises a plurality of sub-modes and said sub-modes comprise at least one of a first-battery direct charging mode, a first-battery buck charging mode, and a second-battery direct charging mode, and
wherein in said first-battery direct charging mode and said second-battery direct charging mode, said controller disables said charger circuit and enables said charging path, and wherein in said first-battery buck charging mode, said controller disables said charging path and enables said charger circuit.