EP4111567A4 - Systems and methods for automatic threshold sensing for uvlo circuits in a multi-battery environment - Google Patents

Systems and methods for automatic threshold sensing for uvlo circuits in a multi-battery environment Download PDF

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Publication number
EP4111567A4
EP4111567A4 EP20921822.1A EP20921822A EP4111567A4 EP 4111567 A4 EP4111567 A4 EP 4111567A4 EP 20921822 A EP20921822 A EP 20921822A EP 4111567 A4 EP4111567 A4 EP 4111567A4
Authority
EP
European Patent Office
Prior art keywords
systems
methods
automatic threshold
battery environment
threshold sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20921822.1A
Other languages
German (de)
French (fr)
Other versions
EP4111567A1 (en
Inventor
Justin Flor
Russell Cook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Calamp Corp
Original Assignee
Calamp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Calamp Corp filed Critical Calamp Corp
Publication of EP4111567A1 publication Critical patent/EP4111567A1/en
Publication of EP4111567A4 publication Critical patent/EP4111567A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
    • H02H3/243—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage for DC systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/006—Calibration or setting of parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
    • H02H3/207—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage also responsive to under-voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
EP20921822.1A 2020-02-26 2020-02-26 Systems and methods for automatic threshold sensing for uvlo circuits in a multi-battery environment Withdrawn EP4111567A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2020/019852 WO2021173128A1 (en) 2020-02-26 2020-02-26 Systems and methods for automatic threshold sensing for uvlo circuits in a multi-battery environment

Publications (2)

Publication Number Publication Date
EP4111567A1 EP4111567A1 (en) 2023-01-04
EP4111567A4 true EP4111567A4 (en) 2023-11-29

Family

ID=77491830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20921822.1A Withdrawn EP4111567A4 (en) 2020-02-26 2020-02-26 Systems and methods for automatic threshold sensing for uvlo circuits in a multi-battery environment

Country Status (2)

Country Link
EP (1) EP4111567A4 (en)
WO (1) WO2021173128A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8885308B2 (en) * 2011-07-18 2014-11-11 Crane Electronics, Inc. Input control apparatus and method with inrush current, under and over voltage handling
US20160072322A1 (en) * 2014-09-04 2016-03-10 Rohm Co., Ltd. Protection switch circuit, charging circuit, and electronic device
US20160204652A1 (en) * 2015-01-09 2016-07-14 Hubbell Incorporated Emergency system with brown-out detection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855722A (en) * 1986-08-01 1989-08-08 Intersil, Inc. Alternating current power loss detector
US5473279A (en) * 1993-02-17 1995-12-05 Dallas Semiconductor Corporation Integrated compander amplifier circuit with digitally controlled gain
US20050275065A1 (en) * 2004-06-14 2005-12-15 Tyco Electronics Corporation Diode with improved energy impulse rating
US7561388B2 (en) * 2005-06-10 2009-07-14 Ultralink Products, Inc. Fail-open surge protection system
TWI426678B (en) * 2006-06-28 2014-02-11 Boston Power Inc Electronics with multiple charge rate, battery packs, methods of charging a lithium ion charge storage power supply in an electronic device and portable computers
US8508166B2 (en) * 2009-08-10 2013-08-13 Emerson Climate Technologies, Inc. Power factor correction with variable bus voltage
US8742741B2 (en) * 2011-03-30 2014-06-03 Fairchild Semiconductor Corporation Apparatus and methods of soft-start in a hysteretic power converter
US8717785B2 (en) * 2011-09-30 2014-05-06 Power Integrations, Inc. Multi-stage sampling circuit for a power converter controller
US8842780B2 (en) * 2011-12-16 2014-09-23 Texas Instruments Incorporated Method and apparatus for correcting signal dependent duty cycle errors in amplitude shift keying receivers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8885308B2 (en) * 2011-07-18 2014-11-11 Crane Electronics, Inc. Input control apparatus and method with inrush current, under and over voltage handling
US20160072322A1 (en) * 2014-09-04 2016-03-10 Rohm Co., Ltd. Protection switch circuit, charging circuit, and electronic device
US20160204652A1 (en) * 2015-01-09 2016-07-14 Hubbell Incorporated Emergency system with brown-out detection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021173128A1 *

Also Published As

Publication number Publication date
WO2021173128A1 (en) 2021-09-02
EP4111567A1 (en) 2023-01-04

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