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公开(公告)号：US20230085882A1
公开(公告)日：2023-03-23
申请号：US17876612
申请日：2022-07-29
IPC分类号： H01M10/48 , H02J7/00 , H01M50/569 , H01M50/502 , H01M10/42 , B60L53/22 , B60L58/10
摘要： A system includes a first multiplexer and a second multiplexer. The first multiplexer has a first multiplexer input, a second multiplexer input, and a first multiplexer output. The second multiplexer has a third multiplexer input, a fourth multiplexer input, and a second multiplexer output. A first analog-to-digital converter (ADC) has a first ADC input and a second ADC input. The first ADC input is coupled to the first multiplexer output. A second ADC has a third ADC input and a fourth ADC input. The third ADC input is coupled to the second multiplexer output. A first measurement channel pin is coupled to the first multiplexer input and to the third ADC input. A busbar pin is coupled to the second multiplexer input and the third multiplexer input.
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公开(公告)号：US20230139517A1
公开(公告)日：2023-05-04
申请号：US17515002
申请日：2021-10-29
摘要： A system includes a battery pack having a first battery module, a second battery module, and a busbar that couples the first and second battery modules; a battery management controller having a first wireless transceiver; and a battery monitor coupled to the first battery module and to the busbar. The battery monitor includes monitoring circuitry configured to receive a first indication of a parameter of the first battery module; a second wireless transceiver configured to provide the first indication to the battery management controller via a wireless connection to the first wireless transceiver; and a busbar voltage circuit configured to receive a second indication of a voltage across the busbar, and, responsive to the second indication being greater than a voltage threshold, provide a first signal to the second wireless transceiver to cause the second wireless transceiver to be in a higher-power state.
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公开(公告)号：US20240222716A1
公开(公告)日：2024-07-04
申请号：US18604687
申请日：2024-03-14
CPC分类号： H01M10/4257 , H01M10/482 , H01M2010/4271 , H04B1/38
摘要： A system includes a battery pack having a first battery module, a second battery module, and a busbar that couples the first and second battery modules; a battery management controller having a first wireless transceiver; and a battery monitor coupled to the first battery module and to the busbar. The battery monitor includes monitoring circuitry configured to receive a first indication of a parameter of the first battery module; a second wireless transceiver configured to provide the first indication to the battery management controller via a wireless connection to the first wireless transceiver; and a busbar voltage circuit configured to receive a second indication of a voltage across the busbar, and, responsive to the second indication being greater than a voltage threshold, provide a first signal to the second wireless transceiver to cause the second wireless transceiver to be in a higher-power state.
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公开(公告)号：US20230408593A1
公开(公告)日：2023-12-21
申请号：US18363121
申请日：2023-08-01
发明人： Tahar ALLAG , Kyl Wayne SCOTT
IPC分类号： G01R31/3842 , H02J7/00 , B60L58/22
CPC分类号： G01R31/3842 , H02J7/0047 , B60L2210/10 , H02J7/0014 , B60L58/22
摘要： A battery management system includes a set of N battery modules coupled together in series, a set of N battery monitors, and a controller. Each battery monitor in the set of N battery monitors is coupled to a respective battery module in the set of N battery modules and measures a battery parameter of the respective battery module. The controller determines a preprogrammed delay for each battery monitor and provides the respective preprogrammed delay to each battery monitory. The controller transmits a synchronization command to the set of N battery monitors, which wait the respective preprogrammed delays in response to receiving the synchronization command before stopping updates to values of the respective battery parameters. The controller transmits a read command to the set of N battery monitors, which transmit read responses to the controller comprising values of the battery parameters.
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公开(公告)号：US20230098055A1
公开(公告)日：2023-03-30
申请号：US17489593
申请日：2021-09-29
发明人： Tahar ALLAG , Kyl Wayne SCOTT
IPC分类号： G01R31/3842 , H02J7/00 , B60L58/22
摘要： A battery management system includes a set of N battery modules coupled together in series, a set of N battery monitors, and a controller. Each battery monitor in the set of N battery monitors is coupled to a respective battery module in the set of N battery modules and measures a battery parameter of the respective battery module. The controller determines a preprogrammed delay for each battery monitor and provides the respective preprogrammed delay to each battery monitory. The controller transmits a synchronization command to the set of N battery monitors, which wait the respective preprogrammed delays in response to receiving the synchronization command before stopping updates to values of the respective battery parameters. The controller transmits a read command to the set of N battery monitors, which transmit read responses to the controller comprising values of the battery parameters.
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公开(公告)号：US20230069766A1
公开(公告)日：2023-03-02
申请号：US17463157
申请日：2021-08-31
发明人： Tahar ALLAG , Kyl Wayne SCOTT
摘要： A method includes receiving, by a first device in a stack, a command from a controller. The stack includes multiple devices. The method also includes dissipating, by the first device, an amount of power responsive to a difference between a longest response time for the devices to respond to the command, and a device response time for the first device to respond to the command.
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