Sensata Technologies Holding has developed a modular Battery Management System (BMS) for efficient control and monitoring of multiple battery cells in a series. The system includes monitoring circuits with temperature sensors and a central microcontroller to prevent damage by shunting current around fully charged cells. GlobalData’s report on Sensata Technologies Holding gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Sensata Technologies Holding, Photovoltaic cell testing was a key innovation area identified from patents. Sensata Technologies Holding's grant share as of May 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Modular battery management system for controlling and monitoring cells
A recently granted patent (Publication Number: US12003124B2) discloses a modular battery management system designed to control and monitor multiple battery cells connected in series within a battery system. The system includes monitoring and controlling circuits equipped with cell balancing circuits, temperature sensors, and a central controlling microcontroller. Each monitoring circuit is responsible for measuring the charging state of individual battery cells and establishing a shunt to allow continued charging of other cells once a preselected charge state is reached, preventing overcharging.
Furthermore, the system is designed to shut down charging of a battery cell if an excessive temperature is detected, ensuring safe operation. During discharging, the monitoring circuits communicate with the central controlling microcontroller to prevent over-discharging of cells by disconnecting them from the load once a minimum voltage threshold is reached. The central controlling microcontroller is connected to the monitoring circuits either through a common data bus or wirelessly, providing efficient communication and control over the entire battery system. Additionally, the cell balancing circuit can establish a shunt based on signals from the slave sensing circuit, indicating when a battery cell has reached the preselected charging state, enhancing the overall efficiency and safety of the battery management system.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
