公开(公告)号：US20230261269A1

公开(公告)日：2023-08-17

申请号：US18166373

申请日：2023-02-08

Applicant: Meta Platforms Technologies, LLC

Inventor： Ankur Gupta ,  Sachin Ramesh Chandra ,  Eunbit Cho

IPC: H01M10/42 ,  H01M50/519 ,  H01M50/284

CPC classification number: H01M10/425 ,  H01M50/519 ,  H01M50/284 ,  H01M2010/4271

Abstract: In one embodiment, a battery monitoring unit for monitoring a battery pack may include a first power MOSFET transistor with at least three pads, and a printed-circuit board with at least three copper layers. The first copper layer may have vias that connect electrical components amounted on the printed-circuit board. The second copper layer may have a first area where copper material is excluded. The first power MOSFET transistor is embedded (1) in the first area of the second copper layer where the copper material is excluded, and (2) between the first copper layer and the third copper layer. The two pads of the power MOSFET may be plated with copper. The first power MOSFET transistor may be connected to the one or more first electrical components through the at least three pads plated with copper.

公开(公告)号：US12081059B1

公开(公告)日：2024-09-03

申请号：US17577352

申请日：2022-01-17

Applicant: Meta Platforms Technologies, LLC

Inventor： Sachin Ramesh Chandra ,  Karthik Kadirvel ,  Ankur Gupta

IPC: H02J7/00

CPC classification number: H02J7/00712 ,  H02J7/0013 ,  H02J7/0063

Abstract: The disclosed system may include multiple electronic components and multiple charger battery modules. Each charger battery module may include: at least one battery configured to drive at least one of the electronic components, at least one battery charger configured to charge the battery, and a microcontroller configured to control the charging and discharging of the battery. The system may also include a central controller that may be configured to control the various charger battery modules through each charger battery module's associated microcontroller. Various other methods, systems, and computer-readable media are also disclosed.

公开(公告)号：US20240204549A1

公开(公告)日：2024-06-20

申请号：US18069176

申请日：2022-12-20

Applicant: Meta Platforms Technologies, LLC

Inventor： Ankur Gupta ,  Karthik Kadirvel

IPC: H02J7/00 ,  G06F1/16 ,  G06F1/26 ,  H01M10/42

CPC classification number: H02J7/007 ,  G06F1/163 ,  G06F1/263 ,  H01M10/425 ,  H02J7/00032 ,  H02J7/0013 ,  H02J7/0063 ,  H01M2010/4278

Abstract: A technique and components of a device to manage power distribution of multiple energy sources based on one or more feature(s) associated with the device. The device includes at least a first battery module associated with a first mode and a second battery module associated with a second mode. The device can receive from one or more sensor(s), sensor data indicating one or more feature(s) associated with the device. The device can determine the second mode based on the one or more feature(s), and switch to the second mode. Based on the second mode, the device can determine the second battery module to provide power to the device and cause the second battery module to distribute electric power to the device.

公开(公告)号：US20230318092A1

公开(公告)日：2023-10-05

申请号：US18182223

申请日：2023-03-10

Applicant: Meta Platforms Technologies, LLC

Inventor： Matthew Aaron ,  Eunbit Cho ,  Ankur Gupta ,  Jason Howard ,  Karthik Kadirvel ,  Gregory Alan Roberts ,  Tianren Xu

IPC: H01M50/103 ,  H01M50/119 ,  H01M50/15 ,  H01M50/159 ,  H01M50/55 ,  H01M50/627 ,  H01M50/169 ,  H01M50/202 ,  H01M50/247

CPC classification number: H01M50/103 ,  H01M50/119 ,  H01M50/15 ,  H01M50/159 ,  H01M50/169 ,  H01M50/202 ,  H01M50/247 ,  H01M50/55 ,  H01M50/627 ,  H01M2220/30 ,  H05K5/0086

Abstract: A non-cuboidal battery having a cross-sectional area and a thickness may include a metal can housing, a metal lid coupled to the metal can housing, and an electrode stack disposed in the metal can housing. The thickness of the non-cuboidal battery can be substantially uniform over the cross-sectional area. The electrode stack may include a cathode layer stacked on an anode layer, and a separator layer disposed between the cathode layer and the anode layer. The electrode stack may be hermetically sealed by the metal can housing and the metal lid. A negative terminal that can be electrically coupled to the anode layer and a positive terminal that can be electrically coupled to the cathode layer may be disposed on an exterior side of the metal can housing or the metal lid.

公开(公告)号：US20240213631A1

公开(公告)日：2024-06-27

申请号：US18069653

申请日：2022-12-21

Applicant: Meta Platforms Technologies, LLC

Inventor： Ankur Gupta ,  Karthik Kadirvel ,  Bradley Spare ,  Tianren Xu

IPC: H01M50/533 ,  H01M50/536 ,  H01M50/574

CPC classification number: H01M50/533 ,  H01M50/536 ,  H01M50/574

Abstract: Can battery cells are described. The can battery cell includes a battery cell core that is housed in a rigid enclosure. The enclosure can be made of metal or other rigid material. A front face of the enclosure includes an anode tab and a cathode tab extending from the front face. A circuit module is electrically coupled to the anode tab and the cathode tab, and overlies at least a portion of the front face of the enclosure. One of the anode tab or the cathode tab is electrically coupled to the battery enclosure. The other of the anode tab or the cathode tab is electrically insulated from the enclosure. The front face includes a protrusion portion that forms a step-like structure in the front face of the enclosure.

公开(公告)号：US20240072548A1

公开(公告)日：2024-02-29

申请号：US18229625

申请日：2023-08-02

Applicant: Meta Platforms Technologies, LLC

Inventor： Karthik Kadirvel ,  Ankur Gupta ,  Eugene Kropp

IPC: H02J7/00 ,  G01R31/389 ,  H01M50/569

CPC classification number: H02J7/0029 ,  G01R31/389 ,  H01M50/569

Abstract: For electronic devices that have an electrically conductive surface across a gap from a battery enclosure, the described circuit may be used to detect an anomalous event. The circuit may connect the battery enclosure to ground and may include a switch that operably connects the electrically conductive surface to ground or, upon actuation of the switch, to a portion of the circuit including a resistor. In an anomaly detection mode, the switch is controlled to disconnect the surface from ground and to connect the surface to a resistance measurement channel and a resistor that is connected to the sub-circuit and ground. The system may determine an impedance across the resistor and may use the measured impedance to detect and/or classify an anomalous event.

公开(公告)号：US20230387729A1

公开(公告)日：2023-11-30

申请号：US17824849

申请日：2022-05-25

Applicant: Meta Platforms Technologies, LLC

Inventor： Sachin Ramesh Chandra ,  Ankur Gupta

IPC: H02J50/80 ,  H02J50/40 ,  H02J7/00 ,  H02J7/34 ,  G02B27/01 ,  G06F1/3218

CPC classification number: H02J50/80 ,  H02J50/40 ,  H02J7/00034 ,  H02J7/342 ,  G02B27/017 ,  G06F1/3218

Abstract: A system for managing power distribution among devices based on one or more applicable power policies. The system can receive state data, including power condition data representing power conditions associated with a plurality of devices including a first device. The system can determine, based on the power condition data, a second device to wirelessly provide power to the first device. The system can generate a power distribution command configured to cause wireless power transmission from the second device to the first device and send the power distribution command to at least one of the first device or the second device to initiate wireless power transmission from the second device to the first device.

公开(公告)号：US20230096836A1

公开(公告)日：2023-03-30

申请号：US17675733

申请日：2022-02-18

Applicant: Meta Platforms Technologies, LLC

Inventor： Karthik Kadirvel ,  Sachin Ramesh Chandra ,  Ankur Gupta

IPC: H02J7/34 ,  H02J7/00 ,  H01M10/0525 ,  H01M10/44

Abstract: The disclosed computer-implemented method may include (i) detecting a battery condition of a wearable battery-operated device that indicates a threat to a battery's health and (ii) in response to detecting the battery condition, performing a battery-protection action by initiating a reverse power flow across a bidirectional connection from the wearable battery-operated device to a portable charging case that is designed to charge the wearable battery-operated device. Various other methods, systems, and computer-readable media are also disclosed.