Switching Battery Charger Integrated Circuit for Mobile Devices in a 130-nm BCDMOS Process
A switching battery charger integrated circuit (IC) for a mobile device is described which can regulate the system supply voltage and charge a Li-ion battery simultaneously. The charging current level is adaptively controlled according to the system load current and a battery can be forced to supply...
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| Veröffentlicht in: | IEEE transactions on power electronics 2016-11, Vol.31 (11), p.7943-7952 |
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| container_title | IEEE transactions on power electronics |
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| creator | Jeong, Min-Gyu Kim, Sang-Hyun Yoo, Changsik |
| description | A switching battery charger integrated circuit (IC) for a mobile device is described which can regulate the system supply voltage and charge a Li-ion battery simultaneously. The charging current level is adaptively controlled according to the system load current and a battery can be forced to supply current to the system load when the input power is not sufficient. In order to allow a mobile device to supply power to peripheral devices, the battery charger IC can also be configured to operate as a boost dc-dc converter with the reversed direction of power flow. The operation mode of the battery charger IC is smoothly switched by adopting a diode-based mode selection scheme. Implemented in a 130-nm BCDMOS process, the battery charger IC occupies 12.25 mm 2 and has been verified to provide the appropriate charging profile for a Li-ion battery and regulate the system supply voltage under various operating conditions. The maximum charging current is 1.5 A and the output voltage ranges from 2.5 to 4.2 V. The maximum power efficiency of dc-dc conversion is 90% and 92%, respectively, for the buck and boost modes. |
| doi_str_mv | 10.1109/TPEL.2016.2514518 |
| format | Article |
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The charging current level is adaptively controlled according to the system load current and a battery can be forced to supply current to the system load when the input power is not sufficient. In order to allow a mobile device to supply power to peripheral devices, the battery charger IC can also be configured to operate as a boost dc-dc converter with the reversed direction of power flow. The operation mode of the battery charger IC is smoothly switched by adopting a diode-based mode selection scheme. Implemented in a 130-nm BCDMOS process, the battery charger IC occupies 12.25 mm 2 and has been verified to provide the appropriate charging profile for a Li-ion battery and regulate the system supply voltage under various operating conditions. The maximum charging current is 1.5 A and the output voltage ranges from 2.5 to 4.2 V. The maximum power efficiency of dc-dc conversion is 90% and 92%, respectively, for the buck and boost modes.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2016.2514518</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Batteries ; Battery charger ; Battery chargers ; BCDMOS ; Charging ; CMOS ; DC-DC conversion ; Electric potential ; Electronic switching systems ; Energy efficiency ; Integrated circuits ; Li-ion battery ; Lithium ; Lithium batteries ; Mobile communication systems ; Mobile handsets ; Rechargeable batteries ; Switching circuits ; switching converter ; Transformers ; Transistors ; Voltage ; Voltage control</subject><ispartof>IEEE transactions on power electronics, 2016-11, Vol.31 (11), p.7943-7952</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nov 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-273327da4f886c9daf240445bd3bf8fa07095568f197748080f11bef2c10d7093</citedby><cites>FETCH-LOGICAL-c392t-273327da4f886c9daf240445bd3bf8fa07095568f197748080f11bef2c10d7093</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7372478$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7372478$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Jeong, Min-Gyu</creatorcontrib><creatorcontrib>Kim, Sang-Hyun</creatorcontrib><creatorcontrib>Yoo, Changsik</creatorcontrib><title>Switching Battery Charger Integrated Circuit for Mobile Devices in a 130-nm BCDMOS Process</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>A switching battery charger integrated circuit (IC) for a mobile device is described which can regulate the system supply voltage and charge a Li-ion battery simultaneously. The charging current level is adaptively controlled according to the system load current and a battery can be forced to supply current to the system load when the input power is not sufficient. In order to allow a mobile device to supply power to peripheral devices, the battery charger IC can also be configured to operate as a boost dc-dc converter with the reversed direction of power flow. The operation mode of the battery charger IC is smoothly switched by adopting a diode-based mode selection scheme. Implemented in a 130-nm BCDMOS process, the battery charger IC occupies 12.25 mm 2 and has been verified to provide the appropriate charging profile for a Li-ion battery and regulate the system supply voltage under various operating conditions. The maximum charging current is 1.5 A and the output voltage ranges from 2.5 to 4.2 V. The maximum power efficiency of dc-dc conversion is 90% and 92%, respectively, for the buck and boost modes.</description><subject>Batteries</subject><subject>Battery charger</subject><subject>Battery chargers</subject><subject>BCDMOS</subject><subject>Charging</subject><subject>CMOS</subject><subject>DC-DC conversion</subject><subject>Electric potential</subject><subject>Electronic switching systems</subject><subject>Energy efficiency</subject><subject>Integrated circuits</subject><subject>Li-ion battery</subject><subject>Lithium</subject><subject>Lithium batteries</subject><subject>Mobile communication systems</subject><subject>Mobile handsets</subject><subject>Rechargeable batteries</subject><subject>Switching circuits</subject><subject>switching converter</subject><subject>Transformers</subject><subject>Transistors</subject><subject>Voltage</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkEtLAzEUhYMoWKs_QNwE3LiZem8eTWap0_qASgutGzdDOpPUSDujyVTx35tSceHqLs53DpePkHOEASLk14vZeDJggMMBkygk6gPSw1xgBgjqkPRAa5npPOfH5CTGN4AEAfbIy_zLd9Wrb1b01nSdDd-0eDVhZQN9bDq7CqazNS18qLa-o64N9Kld-rWlI_vpKxupb6ihyCFrNvS2GD1N53QW2pTEU3LkzDras9_bJ89340XxkE2m94_FzSSreM66jCnOmaqNcFoPq7w2jgkQQi5rvnTaGVCQSznUDnOlhAYNDnFpHasQ6pTxPrna776H9mNrY1dufKzsem0a225jiZpJKdiQy4Re_kPf2m1o0neJSkqQKdSJwj1VhTbGYF35HvzGhO8SodzZLne2y53t8td26lzsO95a-8crrphQmv8AOXB4Dw</recordid><startdate>201611</startdate><enddate>201611</enddate><creator>Jeong, Min-Gyu</creator><creator>Kim, Sang-Hyun</creator><creator>Yoo, Changsik</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>F28</scope></search><sort><creationdate>201611</creationdate><title>Switching Battery Charger Integrated Circuit for Mobile Devices in a 130-nm BCDMOS Process</title><author>Jeong, Min-Gyu ; Kim, Sang-Hyun ; Yoo, Changsik</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-273327da4f886c9daf240445bd3bf8fa07095568f197748080f11bef2c10d7093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Batteries</topic><topic>Battery charger</topic><topic>Battery chargers</topic><topic>BCDMOS</topic><topic>Charging</topic><topic>CMOS</topic><topic>DC-DC conversion</topic><topic>Electric potential</topic><topic>Electronic switching systems</topic><topic>Energy efficiency</topic><topic>Integrated circuits</topic><topic>Li-ion battery</topic><topic>Lithium</topic><topic>Lithium batteries</topic><topic>Mobile communication systems</topic><topic>Mobile handsets</topic><topic>Rechargeable batteries</topic><topic>Switching circuits</topic><topic>switching converter</topic><topic>Transformers</topic><topic>Transistors</topic><topic>Voltage</topic><topic>Voltage control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jeong, Min-Gyu</creatorcontrib><creatorcontrib>Kim, Sang-Hyun</creatorcontrib><creatorcontrib>Yoo, Changsik</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE transactions on power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jeong, Min-Gyu</au><au>Kim, Sang-Hyun</au><au>Yoo, Changsik</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Switching Battery Charger Integrated Circuit for Mobile Devices in a 130-nm BCDMOS Process</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2016-11</date><risdate>2016</risdate><volume>31</volume><issue>11</issue><spage>7943</spage><epage>7952</epage><pages>7943-7952</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>A switching battery charger integrated circuit (IC) for a mobile device is described which can regulate the system supply voltage and charge a Li-ion battery simultaneously. The charging current level is adaptively controlled according to the system load current and a battery can be forced to supply current to the system load when the input power is not sufficient. In order to allow a mobile device to supply power to peripheral devices, the battery charger IC can also be configured to operate as a boost dc-dc converter with the reversed direction of power flow. The operation mode of the battery charger IC is smoothly switched by adopting a diode-based mode selection scheme. Implemented in a 130-nm BCDMOS process, the battery charger IC occupies 12.25 mm 2 and has been verified to provide the appropriate charging profile for a Li-ion battery and regulate the system supply voltage under various operating conditions. The maximum charging current is 1.5 A and the output voltage ranges from 2.5 to 4.2 V. The maximum power efficiency of dc-dc conversion is 90% and 92%, respectively, for the buck and boost modes.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2016.2514518</doi><tpages>10</tpages></addata></record> |
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| ispartof | IEEE transactions on power electronics, 2016-11, Vol.31 (11), p.7943-7952 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Batteries Battery charger Battery chargers BCDMOS Charging CMOS DC-DC conversion Electric potential Electronic switching systems Energy efficiency Integrated circuits Li-ion battery Lithium Lithium batteries Mobile communication systems Mobile handsets Rechargeable batteries Switching circuits switching converter Transformers Transistors Voltage Voltage control |
| title | Switching Battery Charger Integrated Circuit for Mobile Devices in a 130-nm BCDMOS Process |
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