{"id":11523,"date":"2026-03-17T14:32:36","date_gmt":"2026-03-17T06:32:36","guid":{"rendered":"https:\/\/www.goodworksemi.com\/?p=11523"},"modified":"2026-03-17T14:32:36","modified_gmt":"2026-03-17T06:32:36","slug":"say-goodbye-to-battery-anxiety-and-safety-hazards-discover-how-gk-discrete-components-are-redefining-the-core-power-of-electric-toothbrushes","status":"publish","type":"post","link":"https:\/\/www.goodworksemi.com\/ko\/say-goodbye-to-battery-anxiety-and-safety-hazards-discover-how-gk-discrete-components-are-redefining-the-core-power-of-electric-toothbrushes\/","title":{"rendered":"\ubc30\ud130\ub9ac \ubd88\uc548\uacfc \uc548\uc804 \uc704\ud5d8\uc5d0 \uc791\ubcc4\uc744 \uace0\ud558\uc138\uc694! GK \ub514\uc2a4\ud06c\ub9ac\ud2b8 \ubd80\ud488\uc774 \uc804\ub3d9 \uce6b\uc194\uc758 \u201c\ud575\uc2ec \uc804\ub825'\uc744 \uc5b4\ub5bb\uac8c \uc7ac\uc815\uc758\ud558\uace0 \uc788\ub294\uc9c0 \uc54c\uc544\ubcf4\uc138\uc694."},"content":{"rendered":"

\uc804\ub3d9 \uce6b\uc194\uc758 \ud575\uc2ec\uc740 \ubd84\ub2f9 30,000~40,000\ud68c\uc758 \uace0\uc8fc\ud30c \uc9c4\ub3d9\uc73c\ub85c \uc138\uc815 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub294 \ub370 \uc788\uc2b5\ub2c8\ub2e4. \ubaa8\ud130 \uad6c\ub3d9, \uc804\ub825 \uad00\ub9ac \ubc0f \uc548\uc804 \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc740 \uc2a4\uc704\uce6d \uc18d\ub3c4, \ub0ae\uc740 \uc804\ub825 \uc18c\ube44 \ubc0f \uc548\uc815\uc131 \uce21\uba74\uc5d0\uc11c \uac1c\ubcc4 \ubd80\ud488\uc5d0 \ub300\ud55c \uc694\uad6c \uc0ac\ud56d\uc774 \ub9e4\uc6b0 \ub192\uc2b5\ub2c8\ub2e4. \uc800\uc190\uc2e4, \uc18c\ud615\ud654, \uace0\uc2e0\ub8b0\uc131 \ud2b9\uc131\uc744 \uac16\ucd98 GK\uc758 MOSFET, \ub2e4\uc774\uc624\ub4dc \ubc0f TVS\/ESD \ubcf4\ud638 \uc7a5\uce58\ub294 \uc804\ub3d9 \uce6b\uc194\uc758 \ud68c\ub85c \uc124\uacc4 \ubc0f \ub300\ub7c9 \uc0dd\uc0b0 \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\ud655\ud558\uac8c \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n

\uc624\ub298\uc740 \uc804\ub3d9 \uce6b\uc194 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c GK \uac1c\ubcc4 \ubd80\ud488 \uc120\ud0dd\uc5d0 \ub300\ud55c \uc885\ud569 \uac00\uc774\ub4dc\ub97c \ud1b5\ud574 \uc62c\ubc14\ub978 \ubd80\ud488\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\ub3c4\ub85d \ub2e8\uacc4\ubcc4 \ud504\ub85c\uc138\uc2a4\ub97c \uc548\ub0b4\ud574 \ub4dc\ub9bd\ub2c8\ub2e4!<\/p>\n

 <\/p>\n

PART.01<\/p>\n

GK \uc774\uc0b0 \uc7a5\uce58\uc758 \uc138 \uac00\uc9c0 \ud575\uc2ec \uae30\ub2a5<\/p>\n

\"\"<\/p>\n

    \n
  1. \ubaa8\ud130 \uad6c\ub3d9 \ubaa8\ub4c8(\ucf54\uc5b4 \uc804\ub825)<\/li>\n<\/ol>\n

    \uc194\ub8e8\uc158: MCU\uc5d0\uc11c \ucd9c\ub825\ud558\ub294 PWM \uc2e0\ud638(\uc218\ucc9cHz~\uc218\uc2edkHz)\uc640 \uacb0\ud569\ub41c N\ucc44\ub110 MOSFET \ud558\ud504\ube0c\ub9ac\uc9c0 \ub610\ub294 \ud480\ube0c\ub9ac\uc9c0 \uad6c\uc131\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube0c\ub7ec\uc2dc DC \ubaa8\ud130\ub97c \uad6c\ub3d9\ud558\uc5ec \uc18d\ub3c4 \uc81c\uc5b4 \ubc0f \ubaa8\ub4dc \uc804\ud658(\ubd80\ub4dc\ub7fd\uac8c\/\ud45c\uc900\/\uac15\ub825)\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n

    \uad6c\ub4dc\uc6cd\uc2a4\uc758 \uc7a5\uc810: 5m\u03a9 \uc774\ud558\uc758 \ub0ae\uc740 RDS(on), \ube60\ub978 \uc2a4\uc704\uce6d \uc18d\ub3c4, \uc804\ub3c4 \ubc0f \uc2a4\uc704\uce6d \uc190\uc2e4 \ub300\ud3ed \uac10\uc18c, \ubc1c\uc5f4 \ucd5c\uc18c\ud654, \ub7f0\ud0c0\uc784 \uc5f0\uc7a5, SOT-23 \ubc0f DFN3x3\uacfc \uac19\uc740 \uc18c\ud615 \ud328\ud0a4\uc9c0\uc640 \ud638\ud658\ub418\uc5b4 PCB \uacf5\uac04\uc744 \uc808\uc57d\ud558\ub294 \ucfe8 MOS\/VdMOS \uc2dc\ub9ac\uc988.<\/p>\n

      \n
    1. \ubc30\ud130\ub9ac \ubcf4\ud638 \ubc0f \uc804\uc6d0 \uad00\ub9ac(\ub7f0\ud0c0\uc784 + \uc548\uc804)<\/li>\n<\/ol>\n

      \ucda9\uc804\/\ubc29\uc804 \ubcf4\ud638: PMOS + \ubcf4\ud638 IC \uc870\ud569\uc740 \uacfc\ucda9\uc804, \uacfc\ubc29\uc804, \uacfc\uc804\ub958 \ubc0f \ub2e8\ub77d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \ud68c\ub85c\ub97c \ube60\ub974\uac8c \ucc28\ub2e8\ud569\ub2c8\ub2e4. GoodWalk PMOS\ub294 \uc628\uc800\ud56d\uc774 \ub0ae\uc544 \ucda9\uc804\/\ubc29\uc804 \uc190\uc2e4\uc744 \uc904\uc774\uace0 3.7V \ub9ac\ud2ac \uc774\uc628 \ubc30\ud130\ub9ac(4.2V \uc644\uc804 \ucda9\uc804) \uc2dc\uc2a4\ud15c\uacfc \ud638\ud658\ub418\ub294 \uac83\uc774 \ud2b9\uc9d5\uc785\ub2c8\ub2e4.<\/p>\n

      \uc804\uc6d0 \uc804\ud658: PMOS\ub294 \uacbd\ub85c \uc2a4\uc704\uce58 \uc5ed\ud560\uc744 \ud558\uc5ec \uc720\uc120 \ucda9\uc804\uacfc \ubb34\uc120 \ucda9\uc804 \uac04\uc758 \uc6d0\ud65c\ud55c \uc804\ud658\uc744 \uc9c0\uc6d0\ud558\uace0 \ub300\uae30 \uc804\ub825 \uc18c\ube44\ub97c \uc904\uc785\ub2c8\ub2e4.<\/p>\n

        \n
      • <\/li>\n
      • <\/li>\n<\/ul>\n

        \ucda9\uc804 \ud68c\ub85c: \uc1fc\ud2b8\ud0a4 \ub2e4\uc774\uc624\ub4dc\ub294 \uc5ed \uc5f0\uacb0\uc744 \ubc29\uc9c0\ud558\uace0 \uc804\ub958 \uc5f0\uc18d\uc131\uc744 \uc81c\uacf5\ud558\uba70, \ub0ae\uc740 \uc21c\ubc29\ud5a5 \uc804\uc555\uc73c\ub85c \ucda9\uc804 \uc800\ud56d\uc744 \uc904\uc774\uace0 \ucda9\uc804 \ud6a8\uc728\uc744 \uac1c\uc120\ud558\uace0, TVS \ub2e4\uc774\uc624\ub4dc\ub294 \ucda9\uc804 \uc11c\uc9c0\ub97c \uc5b5\uc81c\ud558\uc5ec \ubc30\ud130\ub9ac\uc640 IC\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n

          \n
        1. \ubcf4\uc870 \uae30\ub2a5 \ubc0f \ubcf4\ud638(\uc0ac\uc6a9\uc790 \uacbd\ud5d8 + \uc548\uc815\uc131)<\/li>\n<\/ol>\n

          TVS\/ESD \ubcf4\ud638: TVS\/ESD \uc7a5\uce58\ub294 \uc815\uc804\uae30 \ubc0f \uc11c\uc9c0\ub85c\ubd80\ud130 \ucda9\uc804 \ud3ec\ud2b8\uc640 \ubc84\ud2bc\uc744 \ubcf4\ud638\ud558\uc5ec \uc2b5\ud55c \ud658\uacbd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n

          \ubc29\uc218 \ubc0f \uc548\uc815\uc131: \uad6c\uc131 \uc694\uc18c\ub294 RoHS\/REACH\ub97c \uc900\uc218\ud558\uace0 \uace0\uc628\uacfc \uc2b5\ub3c4\ub97c \uacac\ub514\uba70 IPX7 \ubc29\uc218 \uc124\uacc4\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n

            \n
          • <\/li>\n<\/ul>\n

            PART.02<\/p>\n

            \uc804\ub3d9 \uce6b\uc194\uc6a9 \uac1c\ubcc4 \ub514\ubc14\uc774\uc2a4 \uc120\ud0dd \uac00\uc774\ub4dc<\/p>\n

            N-MOSFET: DFN3x3 \ub610\ub294 SOT-23 \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\ub294 Cool MOS\/VdMOS \uc2dc\ub9ac\uc988, VDS 10~30V, RDS(on) \u2264 10m\u03a9 \uad8c\uc7a5. \ub0ae\uc740 \uc628\uc800\ud56d\uc744 \uc6b0\uc120\uc2dc\ud558\uace0, PWM \uc8fc\ud30c\uc218\ub97c \uc77c\uce58\uc2dc\ud0a4\uba70, \uc804\uc555 \ub9c8\uc9c4\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

            PMOS \uc5ed\uadf9\uc131 \ubcf4\ud638 \uc2dc\ub9ac\uc988: \uad8c\uc7a5 VDS 10-30V, RDS(on) \u2264 15m\u03a9, VGS \uc784\uacc4\uac12 \uc77c\uce58, SOT-23 \ubc0f DFN3x3 \ud328\ud0a4\uc9c0\ub85c \uc81c\uacf5, \ub0ae\uc740 \uc628 \uc0c1\ud0dc \uc190\uc2e4, \ube60\ub978 \ud134\uc624\ud504, \ubc30\ud130\ub9ac \ubcf4\ud638\uc640 \ud638\ud658.<\/p>\n

            \uc1fc\ud2b8\ud0a4 \ub2e4\uc774\uc624\ub4dc: \uad8c\uc7a5 VF \u2264 0.55V, IF \u2265 1A, SOD-123 \ud328\ud0a4\uc9c0, \ub0ae\uc740 \uc21c\ubc29\ud5a5 \uc804\uc555 \uac15\ud558, \ub192\uc740 \uc2a4\uc704\uce6d \uc18d\ub3c4, \ud640\ub4dc\uc5c5\/\uc5ed\ubc29\ud5a5 \ubcf4\ud638\uc5d0 \uc0ac\uc6a9.<\/p>\n

            TVS \ub2e4\uc774\uc624\ub4dc: \ucda9\uc804 \ubc0f I\/O \ud3ec\ud2b8 \ubcf4\ud638\uc5d0 \uad8c\uc7a5\ub418\ub294 SMAJ \uc2dc\ub9ac\uc988, VRWM 5-6V, IPP \u2265 10A, \ub0ae\uc740 \ub204\uc124, \ub192\uc740 \uc11c\uc9c0 \ud5c8\uc6a9 \uc624\ucc28.<\/p>\n

             <\/p>\n

            PART.03<\/p>\n

            \ud604\uc7a5 \ud14c\uc2a4\ud2b8 \ubc0f \uc0ac\uc6a9\uc790 \uacbd\ud5d8<\/p>\n

            \ubc30\ud130\ub9ac \uc218\uba85 \uac1c\uc120: \ub0ae\uc740 RDS(on) MOSFET\uc740 \ub4dc\ub77c\uc774\ube0c \uc190\uc2e4\uc744 30%-50%\uae4c\uc9c0 \uc904\uc5ec \ucda9\uc804\ub2f9 \uc0ac\uc6a9 \uc2dc\uac04\uc744 20\uc77c\uc5d0\uc11c 30\uc77c \uc774\uc0c1\uc73c\ub85c \ub298\ub9bd\ub2c8\ub2e4.<\/p>\n

            \ud5a5\uc0c1\ub41c \uc18d\ub3c4 \uc81c\uc5b4 \uc815\ubc00\ub3c4: \ube60\ub978 \uc2a4\uc704\uce6d \uc751\ub2f5\uc73c\ub85c MOSFET\uc774 PWM \uc2e0\ud638\ub97c \uc815\ubc00\ud558\uac8c \ucd94\uc801\ud558\uc5ec \ubaa8\ud130 \uc18d\ub3c4\ub97c \uc6d0\ud65c\ud558\uac8c \uc870\uc808\ud558\uace0 \ub2e4\uc591\ud55c \uccad\uc18c \ubaa8\ub4dc\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ucd9c\ub825\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

            \uc548\uc804 \ubcf4\uc7a5: \ubc30\ud130\ub9ac \ubcf4\ud638 \ud68c\ub85c\uc5d0\uc11c MOSFET\uc758 \ube60\ub978 \ud134\uc624\ud504 \ud2b9\uc131\uc740 \ube44\uc815\uc0c1\uc801\uc778 \ud68c\ub85c\ub97c \uc989\uc2dc \ucc28\ub2e8\ud558\uc5ec \ubc30\ud130\ub9ac \uacfc\ucda9\uc804, \ud33d\ucc3d, \ub2e8\ub77d \ubc0f \ud654\uc7ac\uc640 \uac19\uc740 \uc704\ud5d8\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

            \ub514\uc790\uc778 \uc720\uc5f0\uc131: \uc2ac\ub9bc\ud558\uace0 \uac00\ubcbc\uc6b4 \ub514\uc790\uc778\uc73c\ub85c \ubb34\uc120 \ud734\ub300\uc6a9 \ubaa8\ub378\uc5d0 \uc801\ud569\ud558\uba70, \uace0\uc18d \ucda9\uc804 \ubc0f \ubb34\uc120 \ucda9\uc804 \uc194\ub8e8\uc158\uc5d0 \ub9de\uac8c \uc7a5\uce58\ub97c \ub9de\ucda4\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

            \ube44\uc6a9 \ucd5c\uc801\ud654: \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uad6d\ub0b4 \uc81c\uc870, \uc548\uc815\uc801\uc778 \ub9ac\ub4dc \ud0c0\uc784, \ub300\ub7c9 \uc0ac\uc6a9\uc790 \uc9c0\uc815 \uc9c0\uc6d0\uc73c\ub85c BOM \ube44\uc6a9\uc744 \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

            \"\"<\/p>\n

            PART.04<\/p>\n

            Gudework - \uc804\ub3d9 \uce6b\uc194\uc758 \uc774\uc0b0 \ubd80\ud488\uc744 \uc704\ud55c \uc120\ud638 \ud30c\ud2b8\ub108<\/p>\n

            \uac1c\ubcc4 \ubd80\ud488\uc758 R&D \ubc0f \uc0dd\uc0b0 \ubd84\uc57c\uc5d0\uc11c 20\ub144 \uc774\uc0c1\uc758 \uacbd\ud5d8\uacfc \ud3ec\uad04\uc801\uc778 GK \ube0c\ub79c\ub4dc \uc81c\ud488 \ud3ec\ud2b8\ud3f4\ub9ac\uc624, \uc790\uccb4 \uc81c\uc5b4 \uacf5\uae09\ub9dd\uc744 \uac16\ucd98 Gudework\ub294 \uc804\ub3d9 \uce6b\uc194 \uc0b0\uc5c5\uc744 \uc704\ud55c \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uad6d\uc0b0 \uc81c\ud488 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc804\ub3d9 \uce6b\uc194 \ubaa8\ud130 \uad6c\ub3d9\uc6a9 MOSFET\ubd80\ud130 \ubc30\ud130\ub9ac \ubcf4\ud638\ub97c \uc704\ud55c \ub4c0\uc5bc MOSFET, \uc778\ud130\ud398\uc774\uc2a4 \ubcf4\ud638\ub97c \uc704\ud55c TVS\/ESD \uc7a5\uce58\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 Gudework\uc758 \uc81c\ud488\uc740 \uc804\ub3d9 \uce6b\uc194\uc758 \ubaa8\ub4e0 \uc911\uc694 \ud68c\ub85c \ub178\ub4dc\ub97c \ud3ec\uad04\ud569\ub2c8\ub2e4.<\/p>\n

            \uc804\ub3d9\uce6b\uc194\uc774 \uace0\uc8fc\ud30c \uc9c4\ub3d9(\ubd84\ub2f9 40,000\ud68c \uc774\uc0c1), \uace0\uc18d \ucda9\uc804(15W+ \ubb34\uc120 \ucda9\uc804), \uc2a4\ub9c8\ud2b8 \uae30\ub2a5(\uc571 \uc5f0\uacb0)\uc73c\ub85c \uc9c4\ud654\ud568\uc5d0 \ub530\ub77c Gudework\ub294 RDS(on)\uc774 \ub0ae\uc740 SGT \uacf5\uc815 MOSFET, \uc804\ub825 \ubc00\ub3c4\uac00 \ub192\uc740 DFN \ud328\ud0a4\uc9c0, \ud1b5\ud569 \ub9ac\ud2ac \ubc30\ud130\ub9ac \ubcf4\ud638 \uce69\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \ub3c4\uc785\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud601\uc2e0\uc740 \uace0\uac1d\uc774 \uc2e0\uc18d\ud55c \ub300\ub7c9 \uc0dd\uc0b0\uc744 \ub2ec\uc131\ud558\uace0 \uc81c\ud488 \uacbd\uc7c1\ub825\uc744 \uac15\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n

            \uad6c\ub370\ubcf4\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \ube44\uc6a9 \ucd5c\uc801\ud654\ubfd0\ub9cc \uc544\ub2c8\ub77c \uacf5\uae09\ub9dd \ubcf4\uc548\uacfc \uc7a5\uae30\uc801\uc778 \uae30\uc220 \uc9c0\uc6d0\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ubc18\ub3c4\uccb4 \uc0b0\uc5c5\uc5d0\uc11c \uad6d\uc0b0 \ub300\uccb4\uac00 \ud655\uc0b0\ub418\ub294 \ucd94\uc138\uc5d0 \ub530\ub77c \uc804\ub3d9 \uce6b\uc194 \uc0b0\uc5c5\uc5d0\uc11c \uad6c\ub370\ubcf4\ub294 \uac1c\ubcc4 \ubd80\ud488\uc744 \uc704\ud55c \uc120\ud638 \ud30c\ud2b8\ub108\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

            \uc804\ub3d9 \uce6b\uc194\uc758 \ud575\uc2ec\uc740 \ubd84\ub2f9 30,000~40,000\ud68c\uc758 \uace0\uc8fc\ud30c \uc9c4\ub3d9\uc73c\ub85c \uce58\uc544\ub97c \uae68\ub057\ud558\uac8c \ub2e6\uc544\uc8fc\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>","protected":false},"author":2,"featured_media":11524,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t