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

Claim 15:
16. The device of claim 15, further comprising:
a fourth switch, coupled between said positive terminal of said second battery and said load, and configured to control a connection between said positive terminal of said second battery and said load; and
a connection switch, coupled between said positive terminal of said first battery and said load, and configured to control a connection between said positive terminal of said first battery and said load,
wherein said two-battery discharging mode further comprises a second sub-mode, and wherein in said second sub-mode, said switch control circuitry turns off said first and third switches and turns on said connection switch and said second and fourth switches, said first and second batteries discharge to power said load via said connection switch and said second and fourth switches, and said switch control circuitry controls said second switch to operate in a linear mode if a battery voltage of said second battery is greater than a battery voltage of said first battery.