Failsafe power management to avoid short-circuiting from water damage in solid state drive using conductivity detector
AssigneeSanDisk Technologies LLC
InventorSankalp Dubey
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AssigneeSanDisk Technologies LLC
InventorSankalp Dubey
Estimating the term…
Methods and apparatus are provided for detecting the presence of electrically-conducting liquids within a data storage device such as an M.2 solid state device (SSD) and for triggering a failsafe mode. In an illustrative example, the SSD includes a non-volatile memory (NVM) array and data storage controller. A linear resistive strip or other resistivity sensor is mounted adjacent to the NVM array and the data storage controller. A conductivity detector detects the presence of an electrically-conducting liquid using the linear resistive strip. A power management unit (PMU) activates a failsafe processing mode in response to the detection of the electrically-conducting liquid. In the failsafe mode, power is disabled to the NVM array and data storage controller to prevent corrosion and short-circuiting. A signal is also sent to a laptop or other host in which the SSD is installed to request shutdown of the laptop.
A data storage device, comprising:
A data storage device, comprising:
A data storage device, comprising:
Dependencies are inferred from the claim text.