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公开(公告)号：US10914789B2
公开(公告)日：2021-02-09
申请号：US16312125
申请日：2017-06-28
Inventor： Mark Alan Lemkin , Alain Pierre Levesque , Brett Warneke , David McLean Dwelley , Erik Soule , Lance Robert Doherty , Gordon Alexander Charles , Thor Nelson Juneau , Jonathan Noah Simon , Robert Dobkin
IPC: G01R31/00 , G01R31/396 , H01M10/42 , H01M10/48 , G01R31/3842 , G01R31/371
Abstract: A battery system monitor includes cell measurement circuits (CMCs) that each measure a voltage at or current through a pair of terminals of a respective associated battery module from among a plurality of plurality of battery modules in a battery system. Wireless communication transceivers (WCTs), each associated with a different CMC, transmit voltage or current measurement information of the associated CMC across a wireless communication link. A controller receives the voltage or current measurement information from the wireless communication transceivers for monitoring the state of operation of the battery system. Battery system monitoring is improved through synchronization of clocks in different CMCs or WCTs to enable synchronous sampling of multiple battery modules, through systems for determining relative positions of battery modules in a series coupling of battery modules between terminals of the battery system, and through improvements to the reliability of wireless communication.
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公开(公告)号：US20190242949A1
公开(公告)日：2019-08-08
申请号：US16312125
申请日：2017-06-28
Applicant: Linear Technology Corporation , Linear Technology LLC
Inventor： Mark Alan Lemkin , Alain Pierre Levesque , Brett Warneke , David McLean Dwelley , Erik Soule , Lance Robert Doherty , Gordon Charles , Thor Nelson Juneau , Jonathan Noah Simon , Robert Dobkin
IPC: G01R31/396 , G01R31/3842 , H01M10/42 , H01M10/48
CPC classification number: G01R31/396 , G01R31/371 , G01R31/3842 , H01M10/42 , H01M10/425 , H01M10/48 , H01M10/482 , H01M2010/4271 , H01M2010/4278
Abstract: A battery system monitor includes cell measurement circuits (CMCs) that each measure a voltage at or current through a pair of terminals of a respective associated battery module from among a plurality of plurality of battery modules in a battery system. Wireless communication transceivers (WCTs), each associated with a different CMC, transmit voltage or current measurement information of the associated CMC across a wireless communication link. A controller receives the voltage or current measurement information from the wireless communication transceivers for monitoring the state of operation of the battery system. Battery system monitoring is improved through synchronization of clocks in different CMCs or WCTs to enable synchronous sampling of multiple battery modules, through systems for determining relative positions of battery modules in a series coupling of battery modules between terminals of the battery system, and through improvements to the reliability of wireless communication.
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公开(公告)号：US10152111B2
公开(公告)日：2018-12-11
申请号：US15728453
申请日：2017-10-09
Applicant: Linear Technology Corporation
Inventor： Brett Warneke , Maxim Moiseev
IPC: G06F1/32 , G06F1/12 , G06F9/44 , H03L5/02 , H03L7/18 , H04W52/02 , H04B1/00 , G06F9/445 , G06F1/14
Abstract: A network device includes a network interface circuit, a microprocessor, a timing circuit, and a microsequencer. The timing circuit is configured to, based on a primary timing signal, generate a time signature and switch the network device from an inactive state to an active state when the time signature satisfies a predetermined threshold length of time for packet transmission. The microsequencer circuit is configured to, in response to the network device being switched to the active state, activate and configure the network interface circuit for the packet transmission, independent of the microprocessor and delays encountered by the microprocessor. The device also reduces energy consumption by using a lower frequency secondary oscillator to maintain timing information when a higher frequency primary oscillator is inactivated.
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