Title

Combined BMS, Charger, and DC-DC in Electric Vehicles

Document Type

Patent Application

Publication Date

2020

Department

Integrated Engineering

Abstract

A controller of an electric vehicle is disclosed. The controller includes: a BMS LV module configured to manage a low voltage battery; a BMS HV module configured to manage a high voltage battery; a DC-DC module configured to control a plurality of DC-DC FETs; and an ampSwitch module configured to detect a short on a bus and switch to an open state, and further configured to command the DC-DC module or an alternator to match the low battery's voltage and switch to a closed state when voltage returns to normal.

Publication Title

United States Patent Application

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