BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF
First Claim
Patent Images
1. A battery management system (BMS) for a battery having cells, the BMS comprising:
- a sensing unit to store a detection voltage that corresponds to a cell voltage of a first cell among the cells and to measure a current of the battery upon completing storage of the detection voltage; and
a micro control unit (MCU) to control the sensing unit to measure the current of the battery upon completing storage of the detection voltage.
1 Assignment
0 Petitions
Accused Products
Abstract
A battery management system, and a driving method thereof, includes a sensing unit and an MCU. The sensing unit stores a detection voltage that corresponds to a cell voltage of a first battery among a plurality of battery cells, and measures a current of the battery at an end point of storing of the detection voltage. The MCU controls the sensing unit to measure the battery current at the end point of storing of the detection voltage.
21 Citations
18 Claims
-
1. A battery management system (BMS) for a battery having cells, the BMS comprising:
-
a sensing unit to store a detection voltage that corresponds to a cell voltage of a first cell among the cells and to measure a current of the battery upon completing storage of the detection voltage; and a micro control unit (MCU) to control the sensing unit to measure the current of the battery upon completing storage of the detection voltage. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A battery management system (BMS) for a battery having cells, the BMS comprising:
-
cell relays respectively connected to the cells; a current sensor to sense a current of the battery; a sensing unit to store a detection voltage corresponding to a battery cell voltage transmitted through one of the cell relays and to control the current sensor to measure the current of the battery upon completing storage of the detection voltage; and a micro control unit to control the sensing unit to measure the current of the battery upon completing storage of the detection voltage, wherein the sensing unit generates a signal corresponding to the detection voltage at a time after completing storage of the detection voltage. - View Dependent Claims (8, 9, 10, 11, 12, 13)
-
-
14. A driving method of a battery management system for a battery having cells, the battery management system having cell relays respectively connected to the cells, the driving method comprising:
-
storing a detection voltage, the detection voltage corresponding to a cell voltage transmitted through one of the cell relays; measuring a battery current upon completion of the storing of the detection voltage; and measuring the detection voltage after the completion of the storing of the detection voltage. - View Dependent Claims (15, 16, 17)
-
-
18. A driving method of a battery management system for a battery having cells, the battery management system having cell relays respectively connected to the cells, the driving method comprising:
-
turning on a first relay to store a detection voltage in a capacitor, the detection voltage corresponding to a cell voltage; turning off the first relay when the detection voltage is stored in the capacitor; measuring a current of the battery when the detection voltage is stored in the capacitor; turning on a second relay to measure the detection voltage stored in the capacitor.
-
Specification