Invention Grant
- Patent Title: Real time backup battery life check
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Application No.: US17507658Application Date: 2021-10-21
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Publication No.: US11808819B2Publication Date: 2023-11-07
- Inventor: Thomas R. Thibodeau , Haijin Zhang , Cui Xizhi
- Applicant: Dell Products L.P.
- Applicant Address: US TX Round Rock
- Assignee: DELL PRODUCTS L.P.
- Current Assignee: DELL PRODUCTS L.P.
- Current Assignee Address: US TX Round Rock
- Agency: Chamberlain, Hrdlicka, White, Williams & Aughtry
- Main IPC: G01R31/392
- IPC: G01R31/392 ; G01R31/396 ; G01R31/389 ; G01R31/36
Abstract:
A Battery Backup (BBU) device, method, and system is disclosed. A BBU cell includes a battery with an internal impedance. The BBU cell includes monitoring circuitry connected to the battery for monitoring a Status of Health (SOH) of the battery. The monitoring circuitry includes a MOSFET and a resistor connected in series and a master control unit connected to the MOSFET for controlling the MOSFET and determining the SOH of the battery.
Public/Granted literature
- US20230129347A1 Real Time Backup Battery Life Check Public/Granted day:2023-04-27
Information query
