(kicad_sch (version 20211123) (generator eeschema) (uuid 8248ced2-762e-4d8b-b139-b0f3df975421) (paper "A4") (title_block (title "Blance FET") (date "2022-10-30") (rev "Rev 0") (company "QTech BMS Dept") ) (lib_symbols (symbol "Device:D_Zener" (pin_numbers hide) (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes) (property "Reference" "D" (id 0) (at 0 2.54 0) (effects (font (size 1.27 1.27))) ) (property "Value" "D_Zener" (id 1) (at 0 -2.54 0) (effects (font (size 1.27 1.27))) ) (property "Footprint" "" (id 2) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_keywords" "diode" (id 4) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_description" "Zener diode" (id 5) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_fp_filters" "TO-???* *_Diode_* *SingleDiode* D_*" (id 6) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (symbol "D_Zener_0_1" (polyline (pts (xy 1.27 0) (xy -1.27 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy -1.27 -1.27) (xy -1.27 1.27) (xy -0.762 1.27) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 1.27 -1.27) (xy 1.27 1.27) (xy -1.27 0) (xy 1.27 -1.27) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) ) (symbol "D_Zener_1_1" (pin passive line (at -3.81 0 0) (length 2.54) (name "K" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 3.81 0 180) (length 2.54) (name "A" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))) ) ) ) (symbol "Device:Q_NMOS_DGS" (pin_names (offset 0) hide) (in_bom yes) (on_board yes) (property "Reference" "Q" (id 0) (at 5.08 1.27 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Value" "Q_NMOS_DGS" (id 1) (at 5.08 -1.27 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Footprint" "" (id 2) (at 5.08 2.54 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_keywords" "transistor NMOS N-MOS N-MOSFET" (id 4) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_description" "N-MOSFET transistor, drain/gate/source" (id 5) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (symbol "Q_NMOS_DGS_0_1" (polyline (pts (xy 0.254 0) (xy -2.54 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.254 1.905) (xy 0.254 -1.905) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 -1.27) (xy 0.762 -2.286) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 0.508) (xy 0.762 -0.508) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 2.286) (xy 0.762 1.27) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 2.54 2.54) (xy 2.54 1.778) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 2.54 -2.54) (xy 2.54 0) (xy 0.762 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 -1.778) (xy 3.302 -1.778) (xy 3.302 1.778) (xy 0.762 1.778) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 1.016 0) (xy 2.032 0.381) (xy 2.032 -0.381) (xy 1.016 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type outline)) ) (polyline (pts (xy 2.794 0.508) (xy 2.921 0.381) (xy 3.683 0.381) (xy 3.81 0.254) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 3.302 0.381) (xy 2.921 -0.254) (xy 3.683 -0.254) (xy 3.302 0.381) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (circle (center 1.651 0) (radius 2.794) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (circle (center 2.54 -1.778) (radius 0.254) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type outline)) ) (circle (center 2.54 1.778) (radius 0.254) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type outline)) ) ) (symbol "Q_NMOS_DGS_1_1" (pin passive line (at 2.54 5.08 270) (length 2.54) (name "D" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))) ) (pin input line (at -5.08 0 0) (length 2.54) (name "G" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 2.54 -5.08 90) (length 2.54) (name "S" (effects (font (size 1.27 1.27)))) (number "3" (effects (font (size 1.27 1.27)))) ) ) ) (symbol "Device:R" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes) (property "Reference" "R" (id 0) (at 2.032 0 90) (effects (font (size 1.27 1.27))) ) (property "Value" "R" (id 1) (at 0 0 90) (effects (font (size 1.27 1.27))) ) (property "Footprint" "" (id 2) (at -1.778 0 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_keywords" "R res resistor" (id 4) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_description" "Resistor" (id 5) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (symbol "R_0_1" (rectangle (start -1.016 -2.54) (end 1.016 2.54) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) ) (symbol "R_1_1" (pin passive line (at 0 3.81 270) (length 1.27) (name "~" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 0 -3.81 90) (length 1.27) (name "~" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))) ) ) ) ) (junction (at 132.08 114.3) (diameter 0) (color 0 0 0 0) (uuid 0df70f4a-9bb0-46e7-bc82-0f48d2a6c68f) ) (junction (at 144.78 114.3) (diameter 0) (color 0 0 0 0) (uuid 160576a2-14cc-49ae-8069-fec1065c2304) ) (junction (at 144.78 99.06) (diameter 0) (color 0 0 0 0) (uuid ca1c61f6-3d6c-4d61-bb72-f986f078542a) ) (junction (at 162.56 114.3) (diameter 0) (color 0 0 0 0) (uuid fb91034e-bef7-4a90-9404-ead201b4ddeb) ) (wire (pts (xy 132.08 114.3) (xy 144.78 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 0eed1921-6c6f-4427-864c-f79c4da006fc) ) (wire (pts (xy 144.78 99.06) (xy 144.78 102.87)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 23aac895-4076-4b68-a7fa-811990e6a1ef) ) (wire (pts (xy 132.08 104.14) (xy 132.08 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 2d3a7e67-ff0a-4232-8cbe-32e84dd0a48e) ) (wire (pts (xy 132.08 88.9) (xy 128.27 88.9)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 4befb5c0-0b5d-4bec-9479-f8388058f71c) ) (wire (pts (xy 162.56 114.3) (xy 167.64 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 533ff86f-55de-40dc-9799-bde5902d752b) ) (wire (pts (xy 162.56 99.06) (xy 162.56 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 6225cf64-c9af-4119-83d8-c73b574c0682) ) (wire (pts (xy 116.84 114.3) (xy 132.08 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 7917b04f-8b73-4672-bad4-53dccad04be9) ) (wire (pts (xy 116.84 88.9) (xy 120.65 88.9)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 9cc1095c-4bc1-44e3-ba41-42e2845ab304) ) (wire (pts (xy 132.08 88.9) (xy 132.08 93.98)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 9e165893-d868-4e76-95c6-26f68ff70572) ) (wire (pts (xy 139.7 99.06) (xy 144.78 99.06)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid ce14768e-ad9e-4e43-aceb-54817c20b394) ) (wire (pts (xy 144.78 114.3) (xy 151.13 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid ce491c90-328f-4443-a014-e4465c5d0b20) ) (wire (pts (xy 158.75 99.06) (xy 162.56 99.06)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid d79a27a1-d838-4db3-a426-7a22968f51b8) ) (wire (pts (xy 144.78 99.06) (xy 151.13 99.06)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid e5e8fe5d-7f3c-4bb4-953e-46cd5fedf549) ) (wire (pts (xy 158.75 114.3) (xy 162.56 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid eb856ea1-883a-44b7-ac57-7ba5fff75ab1) ) (wire (pts (xy 144.78 110.49) (xy 144.78 114.3)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid f77d9ba1-6c51-4d68-b6c1-e1293e4eeda2) ) (text "threshold voltage\nless than 1/2 cell voltage\nTop 10 page 7" (at 140.97 92.71 0) (effects (font (size 1.27 1.27)) (justify left bottom)) (uuid fe4cf80e-a6dd-47b1-a220-ae7f46ef0111) ) (hierarchical_label "CELL-" (shape input) (at 116.84 114.3 180) (effects (font (size 1.27 1.27)) (justify right)) (uuid 13c979ce-f701-4898-b0ac-ddb983df9518) ) (hierarchical_label "VCn" (shape output) (at 167.64 114.3 0) (effects (font (size 1.27 1.27)) (justify left)) (uuid 3ec3d6e7-53a1-4962-b9b9-24d224e59f80) ) (hierarchical_label "CELL+" (shape input) (at 116.84 88.9 180) (effects (font (size 1.27 1.27)) (justify right)) (uuid 98d5508d-468b-4ded-91de-a78674fe9650) ) (symbol (lib_id "Device:Q_NMOS_DGS") (at 134.62 99.06 0) (mirror y) (unit 1) (in_bom yes) (on_board yes) (uuid 334f406b-8758-4460-adb9-9e49dd125015) (property "Reference" "Q5" (id 0) (at 129.4131 98.2253 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Value" "Q_NMOS_DGS" (id 1) (at 129.4131 100.7622 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Footprint" "Package_TO_SOT_SMD:SOT-23" (id 2) (at 129.54 96.52 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 134.62 99.06 0) (effects (font (size 1.27 1.27)) hide) ) (property "Src_Value" "bal_fet" (id 4) (at 134.62 99.06 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid 20e34287-2d20-4e31-a855-fac33cd3ed98)) (pin "2" (uuid 40bfedb5-738b-412a-92e6-2856a32581a8)) (pin "3" (uuid d3440468-7232-4bdb-a94e-250d27cf7eef)) ) (symbol (lib_id "Device:R") (at 154.94 114.3 90) (unit 1) (in_bom yes) (on_board yes) (fields_autoplaced) (uuid 5b92f9b3-b0bc-44a9-a1cc-534cd26581b8) (property "Reference" "R44" (id 0) (at 154.94 109.5842 90)) (property "Value" "1k" (id 1) (at 154.94 112.1211 90)) (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 154.94 116.078 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 154.94 114.3 0) (effects (font (size 1.27 1.27)) hide) ) (property "Src_Value" "R_cn" (id 4) (at 154.94 114.3 0) (effects (font (size 1.27 1.27)) hide) ) (property "Src_Page" "20" (id 5) (at 154.94 114.3 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid c3e9b49a-295f-4f62-bc5c-be081a5140f2)) (pin "2" (uuid 05aefc4d-7462-4ab4-872d-212506d934b3)) ) (symbol (lib_id "Device:R") (at 154.94 99.06 90) (unit 1) (in_bom yes) (on_board yes) (fields_autoplaced) (uuid c453db07-53e6-49fb-8235-5ad06919eab7) (property "Reference" "R31" (id 0) (at 154.94 94.3442 90)) (property "Value" "10k" (id 1) (at 154.94 96.8811 90)) (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 154.94 100.838 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 154.94 99.06 0) (effects (font (size 1.27 1.27)) hide) ) (property "Src_Value" "R_cn" (id 4) (at 154.94 99.06 0) (effects (font (size 1.27 1.27)) hide) ) (property "Src_Page" "20" (id 5) (at 154.94 99.06 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid 8079c2f1-d740-44ca-a52a-64278d5864e5)) (pin "2" (uuid 52e72e7f-c437-48af-9b94-b647918d9e3f)) ) (symbol (lib_id "Device:D_Zener") (at 144.78 106.68 270) (unit 1) (in_bom yes) (on_board yes) (uuid ce66ee7c-0ad2-4c3b-88ce-ccae93ebdad2) (property "Reference" "D19" (id 0) (at 146.812 105.8453 90) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Value" "5.6v" (id 1) (at 146.812 108.3822 90) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Footprint" "" (id 2) (at 144.78 106.68 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 144.78 106.68 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid 9dfd99d7-4cf0-447b-adf7-d543e9876def)) (pin "2" (uuid ca7c7a59-f181-4dbd-9f40-a1533759278e)) ) (symbol (lib_id "Device:R") (at 124.46 88.9 90) (unit 1) (in_bom yes) (on_board yes) (fields_autoplaced) (uuid fa56df0f-db1e-4458-ae4a-f7a171d13f2c) (property "Reference" "R42" (id 0) (at 124.46 84.1842 90)) (property "Value" "43" (id 1) (at 124.46 86.7211 90)) (property "Footprint" "Resistor_SMD:R_1210_3225Metric" (id 2) (at 124.46 90.678 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 124.46 88.9 0) (effects (font (size 1.27 1.27)) hide) ) (property "Src_Value" "R_bal-n" (id 4) (at 124.46 88.9 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid 50ec9964-4d1f-4c4c-a36d-4d1b80411f3f)) (pin "2" (uuid 93d75fa2-11f4-460b-9007-d8a181952258)) ) )