Battery management system

摘要

A battery management system (BMS) is disclosed. In one embodiment, the BMS includes i) a first switching circuit electrically connected to a battery cell or a battery pack and configured to provide a voltage of the battery cell or the battery pack, ii) a capacitor electrically connected to the first switching circuit and configured to store the voltage provided from the first switching circuit and iii) a second switching circuit electrically connected to the capacitor and configured to provide the voltage stored in the capacitor, wherein the second switching circuit has first and second output terminals. The BMS may further include a pull-down circuit electrically connected to the second switching circuit, and configured to reduce impedance at the first output terminal of the second switching circuit.

主权项

1. A battery management system (BMS), comprising:
a first switching circuit electrically connected to a battery cell or a battery pack and configured to provide a voltage of the battery cell or the battery pack; a capacitor electrically connected to the first switching circuit and configured to store the voltage provided from the first switching circuit, wherein the capacitor includes first and second terminals; a second switching circuit electrically connected to the capacitor and configured to provide the voltage stored in the capacitor, wherein the second switching circuit includes first and second input terminals, and first and second output terminals, and wherein the first and second terminals of the capacitor are respectively directly connected to the first and second input terminals of the second switching circuit; and a pull-down circuit electrically connected to the second switching circuit, and configured to reduce impedance at the first output terminal of the second switching circuit, wherein the pull-down circuit comprises a pull-down resistor and a transistor connected to each other.