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WO2015005600A1 - Circuit de protection de pile utilisant un seul transistor mosfet et système de circuit intégré de protection associé - Google Patents

Circuit de protection de pile utilisant un seul transistor mosfet et système de circuit intégré de protection associé Download PDF

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Publication number
WO2015005600A1
WO2015005600A1 PCT/KR2014/005668 KR2014005668W WO2015005600A1 WO 2015005600 A1 WO2015005600 A1 WO 2015005600A1 KR 2014005668 W KR2014005668 W KR 2014005668W WO 2015005600 A1 WO2015005600 A1 WO 2015005600A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
transistor
terminal
mosfet
discharge
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.)
Ceased
Application number
PCT/KR2014/005668
Other languages
English (en)
Korean (ko)
Inventor
나혁휘
황호석
김영석
이성희
박성범
안상훈
정태환
박승욱
조현목
박재구
박민호
지영남
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.)
ITM Semiconductor Co Ltd
Original Assignee
ITM Semiconductor Co Ltd
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 ITM Semiconductor Co Ltd filed Critical ITM Semiconductor Co Ltd
Publication of WO2015005600A1 publication Critical patent/WO2015005600A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
    • H01M50/278—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H02J7/663—
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the battery protection circuit 100 includes two FETs 111 and 112, a protection IC 110, resistors R 1 and R 2 , a capacitor C 1 , and a diode. At this time, the drain terminals of each of the first FET 111 and the second FET 112 are electrically connected to each other.
  • the protection IC 110 is connected to the first internal connection terminal B + 11, which is a positive terminal of the battery, through the resistor R 1 , and senses whether the charging voltage or the discharge voltage is applied and the battery voltage.
  • Terminal (V DD ) the reference terminal (V SS ) which is the reference for the operating voltage inside the protection IC 110, the detection terminal (V-) for detecting the charge / discharge and overcurrent conditions, and the The discharge interruption signal output terminal D OUT for turning off one FET 111 and the charge interruption signal output terminal C OUT for turning off the second FET 112 in an overcharge state.
  • a battery charge / discharge control IC for controlling one MOSFET connected to the negative terminal of the battery and the drain terminal of the battery pack including the battery.
  • the battery charge / discharge control IC may include: a first terminal for controlling a gate voltage of the one MOSFET so that no current flows through the one MOSFET when the battery is blocked from being charged or discharged; And at least one pair of bypass terminals to bypass the first current flowing through the battery through the battery charge / discharge control IC when the battery is blocked from being charged or discharged.
  • a battery charge / discharge control IC for controlling a transistor that blocks or conducts current flowing through a battery.
  • the battery charge / discharge control IC includes an internal transistor; And a control logic for generating a control signal for controlling the transistor and the inner-transistor.
  • the control logic controls the transistor so that no current flows through the transistor when the charging or discharging of the battery is interrupted, and the first current flowing through the battery is bypassed through the inner-transistor. It may be arranged to control an inner-transistor.
  • the internal transistor and the transistor may be a MOSFET.
  • a first diode for bypassing the charging direction current and a second diode for bypassing the discharge direction current may be connected between the source terminal and the drain terminal of the transistor.
  • the battery protection circuit 200 may include a first internal connection terminal B + 21, a second internal connection terminal B ⁇ 22, and a first connection terminal.
  • An external connection terminal P + 23 and a second external connection terminal P- 24 are provided.
  • the first external connection terminal (P +) 23 and the second external connection terminal (P-) 24 is a terminal that can be in direct contact with a separate external device. This may be implemented in the same manner as the battery protection circuit 100 shown in FIG. 1.
  • the charge interruption section P2 is continued until it is possible to return to the normal charging state again.
  • the second direction 52 may be opposite to the first direction 51. That is, the direction from the second external connection terminal P- to the second internal connection terminal B- via the first terminal 31 and the second terminal 32 of the first inner-transistor 221 may be a number. have.
  • Normal discharge section (P6) When the discharge return determination time point T4 for normal discharge is determined after the discharge interruption section (P5), the charge / discharge control at high level is performed through the charge / discharge control signal output terminal (25). By outputting a signal to control the external-transistor 220 in the on-state, the discharge current flows in the third direction 61 through the external-transistor 220. At the same time, the first inner-transistor 221 and the second inner-transistor 222 are controlled off-state, so that the first terminals 31 of each of the first inner-transistor 221 and the second inner-transistor 222 are controlled. And 33 so that no current flows through the second terminals 32 and 34.
  • the upper case 80 is coupled to an upper portion of the battery cell 70 to cover the protection module package 90, and the openings 81 and 83 exposing the terminal pad 85 of the protection module package 90 to the top. Is formed.
  • the openings 81 and 83 include a first opening 81 of which the negative terminal pad is exposed and a second opening 83 of which the positive electrode terminal pad is exposed.
  • the upper case 80 is installed to be coupled to the upper portion of the battery cell 70 to cover the protection module package 90, and the openings 81 and 83 are connected to the plurality of terminal pads 85 of the protection module package 90. Each is formed to correspond.
  • the openings 81 and 83 are formed through the upper surface of the upper case 80 to be connected to the portable terminal.
  • the upper case 80 may be attached to the label sheet 97 in the groove 87 provided on one side of the upper surface.
  • the upper case 80 may be formed with a groove or a protrusion that can be attached to and detached from the portable terminal.
  • the upper case 80 may be manufactured by a molding method using a hard plastic material such as an epoxy resin.
  • the packaging label 95 is attached to the outer side of the battery cell 70 to surround the outer side of the battery cell 70. At this time, the packaging label 95 is attached to surround portions of the upper case 80 and the lower case 93 extending to the upper end and the lower end of the battery cell 70.
  • the term 'battery' may refer to a battery cell connected to terminals B + and B- of FIG. 2, and the term 'battery pack' refers to a combination of the above battery and the circuit shown in FIG. 2.
  • the negative terminal of the battery may be, for example, the terminal B- of FIG. 2, and the negative terminal of the battery pack may be, for example, the terminal P- of FIG. 2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention porte sur un appareil de protection de charge/décharge de pile qui forme un bloc-pile par connexion à une borne positive et une borne négative. L'appareil de protection comprend un seul transistor MOSFET et un circuit intégré (CI) de protection commandant l'unique transistor MOSFET. Une borne de source de l'unique transistor MOSFET est directement connectée à la borne négative de la pile Une borne de drain de l'unique transistor MOSFET est la borne négative du bloc-pile.
PCT/KR2014/005668 2013-07-11 2014-06-26 Circuit de protection de pile utilisant un seul transistor mosfet et système de circuit intégré de protection associé Ceased WO2015005600A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0081352 2013-07-11
KR20130081352A KR20150008227A (ko) 2013-07-11 2013-07-11 싱글 mosfet을 이용한 배터리 보호회로 및 이를 위한 프로텍션 ic 시스템

Publications (1)

Publication Number Publication Date
WO2015005600A1 true WO2015005600A1 (fr) 2015-01-15

Family

ID=52280225

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/005668 Ceased WO2015005600A1 (fr) 2013-07-11 2014-06-26 Circuit de protection de pile utilisant un seul transistor mosfet et système de circuit intégré de protection associé

Country Status (2)

Country Link
KR (1) KR20150008227A (fr)
WO (1) WO2015005600A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101830281B1 (ko) * 2015-08-20 2018-02-20 주식회사 아이티엠반도체 배터리 보호회로 모듈, 및 이를 포함하는 배터리 팩
KR101746762B1 (ko) * 2015-11-30 2017-06-27 주식회사 아이티엠반도체 배터리 보호회로 모듈, 및 이를 포함하는 배터리 팩
CN114175449B (zh) 2020-02-13 2025-12-09 株式会社Lg新能源 用于供应应急电源的设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050057693A (ko) * 2003-12-10 2005-06-16 주식회사 케이이씨 충방전 보호 회로
KR20120025993A (ko) * 2010-09-08 2012-03-16 세이코 인스트루 가부시키가이샤 충방전 제어 회로 및 배터리 장치
KR20120025982A (ko) * 2010-09-08 2012-03-16 세이코 인스트루 가부시키가이샤 충방전 제어 회로 및 배터리 장치
KR20130063804A (ko) * 2011-12-07 2013-06-17 주식회사 아이티엠반도체 배터리 보호회로 및 그에 따른 통합칩 배치구조

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050057693A (ko) * 2003-12-10 2005-06-16 주식회사 케이이씨 충방전 보호 회로
KR20120025993A (ko) * 2010-09-08 2012-03-16 세이코 인스트루 가부시키가이샤 충방전 제어 회로 및 배터리 장치
KR20120025982A (ko) * 2010-09-08 2012-03-16 세이코 인스트루 가부시키가이샤 충방전 제어 회로 및 배터리 장치
KR20130063804A (ko) * 2011-12-07 2013-06-17 주식회사 아이티엠반도체 배터리 보호회로 및 그에 따른 통합칩 배치구조

Also Published As

Publication number Publication date
KR20150008227A (ko) 2015-01-22

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