Patent ID: 11916425
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An electronic device comprising:
a housing;
a battery disposed inside the housing;
a power management circuit configured to control charging the battery; and
at least one processor operationally connected with the battery and the power management circuit,
wherein the at least one processor is configured to:
charge the battery in a first mode through the power management circuit during a first charging interval of a plurality of charging intervals, wherein a charging current reflecting a consumption load current used by the electronic device and flowing into the battery remains the same while charging the battery in the first mode when a consumption load current of the electronic device is low and wherein the charging current flowing into the battery does not remain the same while charging the battery in the first mode when the consumption load current of the electronic device is high,
switch from the first mode to a second mode when a voltage of the battery reaches a target voltage of the first charging interval,
charge the battery in the second mode through the power management circuit during the first charging interval, wherein the voltage of the battery is maintained at the target voltage while charging the battery in the second mode, and
switch from the first charging interval to a subsequent charging interval of the plurality of charging intervals when a current flowing into the battery reaches a target current of the first charging interval,

wherein, to switch from the first mode to the second mode, the at least one processor is configured to:
repeatedly identify a first value of a charging current presently flowing into the battery and a second value of an average of the charging current flowing into the battery during the first charging interval, and an average value of the consumption load current during the first charging interval,
determine a greater value from among the first value of the charging current presently flowing into the battery and the second value of the average of the charging current flowing into the battery,
based on the greater value exceeding a first reference current of the first charging interval, initialize an effective count to zero, wherein the first reference current is different from the charging current flowing into the battery that remains the same while charging the battery in the first mode,
based on a sum of the greater value and the average value of the consumption load current being less than or equal to the first reference current, increase the effective count by one, and
based on the effective count exceeding a specified number of a plurality of times, switch from the first charging mode to the charging mode,

wherein each subsequent charging interval of the plurality of charging intervals includes a corresponding first mode in which the charging current flowing into the battery remains the same and a corresponding second mode in which the voltage of the battery remains the same, and
wherein the first mode is a constant current charging mode and the second mode is a constant voltage charging mode.