EPS: add temperature measuring and heating circuits

modules/EPS/Battery_heater.kicad_sch

@@ -13,6 +13,38 @@
   )
 
   (lib_symbols
+    (symbol "Connector:TestPoint" (pin_numbers hide) (pin_names (offset 0.762) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "TP" (id 0) (at 0 6.858 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "TestPoint" (id 1) (at 0 5.08 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at 5.08 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 5.08 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "test point tp" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "test point" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "Pin* Test*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "TestPoint_0_1"
+        (circle (center 0 3.302) (radius 0.762) (stroke (width 0)) (fill (type none)))
+      )
+      (symbol "TestPoint_1_1"
+        (pin passive line (at 0 0 90) (length 2.54)
+          (name "1" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
     (symbol "Connector_Generic_MountingPin:Conn_01x02_MountingPin" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
       (property "Reference" "J" (id 0) (at 0 2.54 0)
         (effects (font (size 1.27 1.27)))
@@ -107,11 +139,11 @@
         )
       )
     )
-    (symbol "TCY_power_management:AP22652" (in_bom yes) (on_board yes)
+    (symbol "TCY_power_management:AP22653" (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at 8.89 7.62 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "AP22652" (id 1) (at 0 7.62 0)
+      (property "Value" "AP22653" (id 1) (at 0 7.62 0)
         (effects (font (size 1.27 1.27)))
       )
       (property "Footprint" "Package_DFN_QFN:DFN-6-1EP_2x2mm_P0.65mm_EP1x1.6mm" (id 2) (at -2.54 -24.13 0)
@@ -126,12 +158,12 @@
       (property "ki_description" "Precision adjustable current-limited power switches" (id 5) (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (symbol "AP22652_0_1"
+      (symbol "AP22653_0_1"
         (rectangle (start -6.35 5.08) (end 6.35 -10.16)
           (stroke (width 0.254)) (fill (type background))
         )
       )
-      (symbol "AP22652_1_1"
+      (symbol "AP22653_1_1"
         (pin power_out line (at 8.89 2.54 180) (length 2.54)
           (name "VOUT" (effects (font (size 1.27 1.27))))
           (number "1" (effects (font (size 1.27 1.27))))
@@ -145,7 +177,7 @@
           (number "3" (effects (font (size 1.27 1.27))))
         )
         (pin input line (at -8.89 -2.54 0) (length 2.54)
-          (name "~{EN}" (effects (font (size 1.27 1.27))))
+          (name "EN" (effects (font (size 1.27 1.27))))
           (number "4" (effects (font (size 1.27 1.27))))
         )
         (pin passive line (at 0 -12.7 90) (length 2.54)
@@ -203,156 +235,326 @@
     )
   )
 
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+  (junction (at 99.06 88.9) (diameter 0.9144) (color 0 0 0 0))
+  (junction (at 124.46 88.9) (diameter 0.9144) (color 0 0 0 0))
+  (junction (at 130.81 83.82) (diameter 0.9144) (color 0 0 0 0))
 
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+  (wire (pts (xy 90.17 83.82) (xy 99.06 83.82))
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid afc13369-99c8-487c-8822-56c368b15e03)
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid eb72b862-8d7b-454f-a467-add1eb6168c3)
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     (stroke (width 0) (type solid) (color 0 0 0 0))
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-  (wire (pts (xy 148.59 58.42) (xy 148.59 59.69))
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     (uuid 3a163c64-855b-4319-8a09-45352ba36d48)
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+  (wire (pts (xy 124.46 81.28) (xy 124.46 88.9))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 66ee75fe-ee5f-486a-9a5c-95a700e5cc91)
+  )
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid eb72b862-8d7b-454f-a467-add1eb6168c3)
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+  (wire (pts (xy 130.81 81.28) (xy 130.81 83.82))
+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 213c9508-3ac2-4419-b5a0-4f3fa681898a)
+  )
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     (stroke (width 0) (type solid) (color 0 0 0 0))
     (uuid afc13369-99c8-487c-8822-56c368b15e03)
   )
-  (wire (pts (xy 163.83 50.8) (xy 163.83 55.88))
+  (wire (pts (xy 138.43 86.36) (xy 138.43 91.44))
     (stroke (width 0) (type solid) (color 0 0 0 0))
     (uuid 7d0b7e5d-34d4-4d45-bc9f-3c3429b09920)
   )
-  (wire (pts (xy 166.37 50.8) (xy 163.83 50.8))
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     (stroke (width 0) (type solid) (color 0 0 0 0))
     (uuid 7d0b7e5d-34d4-4d45-bc9f-3c3429b09920)
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   (text "Assumed heater is resistive heating\n	wire fixed to battery with Kapton tape.\n\nHeating power should be in range of 1-4W.\n\nSuggested heating wire is Kanthal or Konstantan.\n\nWith nominal battery voltage of 3.7V,\n	resistance of wire for 2W heating\n	should be around 6.8R.\n\nFor uniform heat distribution there should be\n	more then at least 20 turns of wire or more."
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     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 461c1ad1-5390-4515-b8f6-2552d42852ec)
   )
   (text "Heating can operate in two modes.\nConstant current and Pulse mode.\n\nSelection of right mode depends on heating power.\nPulse is better suited for high power heating.\n\nCurrent limiting resistor for load switch must be\n	adapted for each mode."
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     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 563d73bc-a131-461e-8cb5-19807faf7e00)
   )
 
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+  (hierarchical_label "PWR_IN" (shape input) (at 90.17 83.82 180)
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-  (hierarchical_label "EN" (shape input) (at 115.57 53.34 180)
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     (uuid b6d83cca-1d77-4020-873b-3ebc992d1566)
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+    (uuid 8e01894a-5bc6-453f-a296-87d8b4711823)
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+      (effects (font (size 1.27 1.27)) hide)
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     (pin "2" (uuid e3e68820-e238-45f7-935e-f5425ba583ef))
   )
 
-  (symbol (lib_id "Connector_Generic_MountingPin:Conn_01x02_MountingPin") (at 171.45 48.26 0)
+  (symbol (lib_id "Connector_Generic_MountingPin:Conn_01x02_MountingPin") (at 146.05 83.82 0)
     (in_bom yes) (on_board yes) (fields_autoplaced)
     (uuid 166953c9-496d-47cb-85e2-a32b04732b62)
-    (property "Reference" "J17" (id 0) (at 173.4821 50.6535 0)
+    (property "Reference" "J8" (id 0) (at 148.0821 86.2135 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "Heater" (id 1) (at 173.4821 53.4286 0)
+    (property "Value" "Heater" (id 1) (at 148.0821 88.9886 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "" (id 2) (at 171.45 48.26 0)
+    (property "Footprint" "" (id 2) (at 146.05 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 171.45 48.26 0)
+    (property "Datasheet" "~" (id 3) (at 146.05 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 6bf9678f-ab0c-4055-a25b-8b220af1023a))
@@ -360,23 +562,23 @@
     (pin "MP" (uuid 0834d218-95d7-4294-b11a-31f1fb96f341))
   )
 
-  (symbol (lib_id "TCY_power_management:AP22652") (at 137.16 50.8 0)
+  (symbol (lib_id "TCY_power_management:AP22653") (at 111.76 86.36 0)
     (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid 5889d4de-8f67-4199-b770-e9629d609548)
+    (uuid c04c4a54-42a5-4b1d-a586-dcc34aab7e56)
-    (property "Reference" "U18" (id 0) (at 137.16 41.7534 0))
+    (property "Reference" "U?" (id 0) (at 111.76 77.3134 0))
-    (property "Value" "AP22652" (id 1) (at 137.16 44.5285 0))
+    (property "Value" "AP22653" (id 1) (at 111.76 80.0885 0))
-    (property "Footprint" "Package_DFN_QFN:DFN-6-1EP_2x2mm_P0.65mm_EP1x1.6mm" (id 2) (at 134.62 74.93 0)
+    (property "Footprint" "Package_DFN_QFN:DFN-6-1EP_2x2mm_P0.65mm_EP1x1.6mm" (id 2) (at 109.22 110.49 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://www.diodes.com/assets/Datasheets/AP22652_53_52A_53A.pdf" (id 3) (at 137.16 72.39 0)
+    (property "Datasheet" "https://www.diodes.com/assets/Datasheets/AP22652_53_52A_53A.pdf" (id 3) (at 111.76 107.95 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 051dd3ae-f9a9-4c3b-a6fd-efa4a6f3663f))
+    (pin "1" (uuid 36632009-a04d-47fb-83a7-116c97e95f6b))
-    (pin "2" (uuid c7940192-9d8c-41d5-978f-bee6e7ca6b0c))
+    (pin "2" (uuid ed81ed02-4e65-455d-b14f-61342c4851f0))
-    (pin "3" (uuid 49ad6514-f14a-4784-ba3b-750618e3d143))
+    (pin "3" (uuid 82250c16-6483-4553-9c2c-7d809533f27e))
-    (pin "4" (uuid c6159e06-e26a-42ce-8238-14fe863424ab))
+    (pin "4" (uuid cc9d32d4-02f3-4e3b-bf03-62cad43c098b))
-    (pin "5" (uuid a2bbe608-fc6f-4fa0-8bf7-6a53aadbb142))
+    (pin "5" (uuid 2a8cfed1-3374-470a-b120-446d96d851c6))
-    (pin "6" (uuid 7868445e-3da3-48f5-991e-c2a2c70dee1e))
+    (pin "6" (uuid d4bd2d59-b0d7-4a77-8d11-042d0700927b))
-    (pin "7" (uuid c3683aac-1932-48e4-8982-736be73763b2))
+    (pin "7" (uuid 4c4dce31-cc5d-4cd9-a264-52de1ae02e23))
   )
 )

modules/EPS/Battery_temp_control.kicad_sch

@@ -0,0 +1,709 @@
+(kicad_sch (version 20210621) (generator eeschema)
+
+  (uuid 11cd2ff5-feed-4db2-af14-43763d29bc27)
+
+  (paper "A4")
+
+  (title_block
+    (title "BUTCube - EPS")
+    (date "2021-06-01")
+    (rev "v1.0")
+    (company "VUT - FIT(STRaDe) & FME(IAE & IPE)")
+    (comment 1 "Author: Petr Malaník")
+  )
+
+  (lib_symbols
+    (symbol "Connector:TestPoint" (pin_numbers hide) (pin_names (offset 0.762) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "TP" (id 0) (at 0 6.858 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "TestPoint" (id 1) (at 0 5.08 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at 5.08 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 5.08 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "test point tp" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "test point" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "Pin* Test*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "TestPoint_0_1"
+        (circle (center 0 3.302) (radius 0.762) (stroke (width 0)) (fill (type none)))
+      )
+      (symbol "TestPoint_1_1"
+        (pin passive line (at 0 0 90) (length 2.54)
+          (name "1" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "Connector_Generic_MountingPin:Conn_01x02_MountingPin" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "J" (id 0) (at 0 2.54 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "Conn_01x02_MountingPin" (id 1) (at 1.27 -5.08 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (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" "connector" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Generic connectable mounting pin connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "Connector*:*_1x??-1MP*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "Conn_01x02_MountingPin_1_1"
+        (text "Mounting" (at 0 -4.191 0)
+          (effects (font (size 0.381 0.381)))
+        )
+        (rectangle (start -1.27 -2.413) (end 0 -2.667)
+          (stroke (width 0.1524)) (fill (type none))
+        )
+        (rectangle (start -1.27 0.127) (end 0 -0.127)
+          (stroke (width 0.1524)) (fill (type none))
+        )
+        (rectangle (start -1.27 1.27) (end 1.27 -3.81)
+          (stroke (width 0.254)) (fill (type background))
+        )
+        (polyline
+          (pts
+            (xy -1.016 -4.572)
+            (xy 1.016 -4.572)
+          )
+          (stroke (width 0.1524)) (fill (type none))
+        )
+        (pin passive line (at -5.08 0 0) (length 3.81)
+          (name "Pin_1" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at -5.08 -2.54 0) (length 3.81)
+          (name "Pin_2" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -7.62 90) (length 3.048)
+          (name "MountPin" (effects (font (size 1.27 1.27))))
+          (number "MP" (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)) (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))))
+        )
+      )
+    )
+    (symbol "TCY_power_management:AP22653" (in_bom yes) (on_board yes)
+      (property "Reference" "U" (id 0) (at 8.89 7.62 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "AP22653" (id 1) (at 0 7.62 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "Package_DFN_QFN:DFN-6-1EP_2x2mm_P0.65mm_EP1x1.6mm" (id 2) (at -2.54 -24.13 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "https://www.diodes.com/assets/Datasheets/AP22652_53_52A_53A.pdf" (id 3) (at 0 -21.59 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "Current limiting load switch" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Precision adjustable current-limited power switches" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "AP22653_0_1"
+        (rectangle (start -6.35 5.08) (end 6.35 -10.16)
+          (stroke (width 0.254)) (fill (type background))
+        )
+      )
+      (symbol "AP22653_1_1"
+        (pin power_out line (at 8.89 2.54 180) (length 2.54)
+          (name "VOUT" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 8.89 -7.62 180) (length 2.54)
+          (name "ILIM" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+        (pin output line (at 8.89 -2.54 180) (length 2.54)
+          (name "~{FAULT}" (effects (font (size 1.27 1.27))))
+          (number "3" (effects (font (size 1.27 1.27))))
+        )
+        (pin input line (at -8.89 -2.54 0) (length 2.54)
+          (name "EN" (effects (font (size 1.27 1.27))))
+          (number "4" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -12.7 90) (length 2.54)
+          (name "GND" (effects (font (size 1.27 1.27))))
+          (number "5" (effects (font (size 1.27 1.27))))
+        )
+        (pin power_in line (at -8.89 2.54 0) (length 2.54)
+          (name "VIN" (effects (font (size 1.27 1.27))))
+          (number "6" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -12.7 90) (length 2.54) hide
+          (name "E_PAD" (effects (font (size 1.27 1.27))))
+          (number "7" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
+      (property "Reference" "#PWR" (id 0) (at 0 -6.35 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Value" "GND" (id 1) (at 0 -3.81 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" "power-flag" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Power symbol creates a global label with name \"GND\" , ground" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "GND_0_1"
+        (polyline
+          (pts
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+            (xy 0 -1.27)
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+          )
+          (stroke (width 0)) (fill (type none))
+        )
+      )
+      (symbol "GND_1_1"
+        (pin power_in line (at 0 0 270) (length 0) hide
+          (name "GND" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+  )
+
+  (junction (at 88.9 59.69) (diameter 0.9144) (color 0 0 0 0))
+  (junction (at 95.25 54.61) (diameter 0.9144) (color 0 0 0 0))
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid afc13369-99c8-487c-8822-56c368b15e03)
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 7d0b7e5d-34d4-4d45-bc9f-3c3429b09920)
+  )
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+    (stroke (width 0) (type solid) (color 0 0 0 0))
+    (uuid 7d0b7e5d-34d4-4d45-bc9f-3c3429b09920)
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+  (polyline (pts (xy 11.43 100.33) (xy 284.48 100.33))
+    (stroke (width 0) (type dash) (color 0 0 0 0))
+    (uuid 4697bdd3-c590-4019-a2d9-cf1dbdc1472c)
+  )
+
+  (text "Battery heating" (at 15.24 21.59 0)
+    (effects (font (size 3 3)) (justify left bottom))
+    (uuid dd85f389-6929-421f-96f9-b0a37cc643fd)
+  )
+  (text "Battery thermometer" (at 15.24 109.22 0)
+    (effects (font (size 3 3)) (justify left bottom))
+    (uuid 61ead524-fec7-47b0-ac3d-82ab31054b0b)
+  )
+  (text "NTC voltage supply should be\ncontrolled by MCU to decrease\ncurrent soncumption during time\nwhen temperature is not measured"
+    (at 168.91 124.46 0)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid 997c3774-f962-4cdc-a009-88837a30bd5c)
+  )
+  (text "Assumed heater is resistive heating\n	wire fixed to battery with Kapton tape.\n\nHeating power should be in range of 1-4W.\n\nSuggested heating wire is Kanthal or Konstantan.\n\nWith nominal battery voltage of 3.7V,\n	resistance of wire for 2W heating\n	should be around 6.8R.\n\nFor uniform heat distribution there should be\n	more then at least 20 turns of wire or more."
+    (at 173.99 55.88 0)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid 461c1ad1-5390-4515-b8f6-2552d42852ec)
+  )
+  (text "Heating can operate in two modes.\nConstant current and Pulse mode.\n\nSelection of right mode depends on heating power.\nPulse is better suited for high power heating.\n\nCurrent limiting resistor for load switch must be\n	adapted for each mode."
+    (at 173.99 90.17 0)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid 563d73bc-a131-461e-8cb5-19807faf7e00)
+  )
+
+  (hierarchical_label "PWR_IN" (shape input) (at 86.36 54.61 180)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 42280697-9051-44ae-a130-4321bd53a827)
+  )
+  (hierarchical_label "EN" (shape input) (at 86.36 59.69 180)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid b6d83cca-1d77-4020-873b-3ebc992d1566)
+  )
+  (hierarchical_label "NTC_REF" (shape input) (at 113.03 116.84 180)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 821c8d05-b79e-4968-a10d-df14d6e626d7)
+  )
+  (hierarchical_label "NTC_OUT" (shape input) (at 113.03 130.81 180)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 4199be26-983d-41d1-b9ce-70f586de8280)
+  )
+  (hierarchical_label "~{FAULT}" (shape input) (at 123.19 59.69 0)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 8e01894a-5bc6-453f-a296-87d8b4711823)
+  )
+
+  (symbol (lib_id "Connector:TestPoint") (at 88.9 52.07 0)
+    (in_bom yes) (on_board yes)
+    (uuid 1d30cf72-f492-463f-807c-77e540b7672a)
+    (property "Reference" "TP25" (id 0) (at 86.4871 44.24 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "HEATER_EN" (id 1) (at 80.1371 47.0151 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "TCY_connectors:TestPoint_Pad_D0.5mm" (id 2) (at 93.98 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 93.98 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid ea7ba8ad-dfaf-46b1-9cee-36179a17fd1f))
+  )
+
+  (symbol (lib_id "Connector:TestPoint") (at 95.25 52.07 0)
+    (in_bom yes) (on_board yes)
+    (uuid a12c6724-4feb-40d2-b56a-68018c9a3f36)
+    (property "Reference" "TP26" (id 0) (at 95.3771 44.24 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "HEATER_IN" (id 1) (at 94.1071 47.0151 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "TCY_connectors:TestPoint_Pad_D0.5mm" (id 2) (at 100.33 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 100.33 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 38683908-143b-419b-ba00-97e5d9bdc52c))
+  )
+
+  (symbol (lib_id "Connector:TestPoint") (at 120.65 52.07 0)
+    (in_bom yes) (on_board yes)
+    (uuid df63c620-d7e8-45f4-8cae-d0a511ad8ded)
+    (property "Reference" "TP27" (id 0) (at 118.2371 44.24 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "HEATER_FAULT" (id 1) (at 111.8871 47.0151 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "TCY_connectors:TestPoint_Pad_D0.5mm" (id 2) (at 125.73 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 125.73 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 5b0c2293-b085-44dc-a5d6-436d4db352f6))
+  )
+
+  (symbol (lib_id "Connector:TestPoint") (at 127 52.07 0)
+    (in_bom yes) (on_board yes)
+    (uuid b0d568f6-61ea-403c-9abb-b09d9ef48f3f)
+    (property "Reference" "TP28" (id 0) (at 128.3971 44.24 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "HEATER_OUT" (id 1) (at 125.8571 47.0151 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "TCY_connectors:TestPoint_Pad_D0.5mm" (id 2) (at 132.08 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 132.08 52.07 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 2d087d22-8a38-4e3f-947a-4063aedbfca8))
+  )
+
+  (symbol (lib_id "power:GND") (at 95.25 73.66 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 7d40222e-08f4-4348-a31c-c378475abde5)
+    (property "Reference" "#PWR0187" (id 0) (at 95.25 80.01 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 95.25 78.2226 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 95.25 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 95.25 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid a8828e33-11cf-4e10-a765-f7fbe21356e6))
+  )
+
+  (symbol (lib_id "power:GND") (at 107.95 73.66 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 7da199c3-09e1-40ee-86b7-775a15dcac40)
+    (property "Reference" "#PWR0325" (id 0) (at 107.95 80.01 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 107.95 78.2226 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 107.95 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 107.95 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 62c1b12b-57e5-459a-8ced-4a08bd7db907))
+  )
+
+  (symbol (lib_id "power:GND") (at 116.84 144.78 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 7b56fce6-edae-4ce8-bc78-f671be7e8230)
+    (property "Reference" "#PWR0188" (id 0) (at 116.84 151.13 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 116.84 149.3426 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 116.84 144.78 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 116.84 144.78 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid b0b6de24-14ae-45e4-932f-279f1a8a48d3))
+  )
+
+  (symbol (lib_id "power:GND") (at 119.38 73.66 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 65ceab0c-73dc-42b2-8e9c-7ddf3b9468ab)
+    (property "Reference" "#PWR0189" (id 0) (at 119.38 80.01 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 119.38 78.2226 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 119.38 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 119.38 73.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 59b55993-ad9d-469c-880d-2dfa5c30c09a))
+  )
+
+  (symbol (lib_id "power:GND") (at 121.92 144.78 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 8bc74eb3-b563-46ba-9ae1-b098c5ef95df)
+    (property "Reference" "#PWR0190" (id 0) (at 121.92 151.13 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 121.92 149.3426 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 121.92 144.78 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 121.92 144.78 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid b8806e78-06e0-4fbf-928a-17e7bf8c5196))
+  )
+
+  (symbol (lib_id "power:GND") (at 134.62 62.23 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 6265d34f-f183-45ec-8920-cd1a73ccd869)
+    (property "Reference" "#PWR0191" (id 0) (at 134.62 68.58 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 134.62 66.7926 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 134.62 62.23 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 134.62 62.23 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid eade3e05-8148-4f56-a4a8-3ce13d1d3d40))
+  )
+
+  (symbol (lib_id "power:GND") (at 142.24 62.23 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid d9b898b9-0920-4a60-8f8c-87e383509067)
+    (property "Reference" "#PWR0192" (id 0) (at 142.24 68.58 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 142.24 66.7926 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Footprint" "" (id 2) (at 142.24 62.23 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 142.24 62.23 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid ab862c63-4c19-42f9-b40f-e7181b311bcd))
+  )
+
+  (symbol (lib_id "Device:R") (at 95.25 69.85 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 09435743-77e1-4c0c-aabe-52dabf3194b6)
+    (property "Reference" "R76" (id 0) (at 97.0281 68.9415 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "100k" (id 1) (at 97.0281 71.7166 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 93.472 69.85 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 95.25 69.85 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 0cca450b-d680-497d-ab4b-b9c59812fdb9))
+    (pin "2" (uuid 63d1edf5-3c6a-4240-ab30-a6a98b903585))
+  )
+
+  (symbol (lib_id "Device:R") (at 116.84 123.19 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid aaad400f-5236-41fe-b9cf-b8dd3cb20734)
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+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "10k" (id 1) (at 118.6181 125.0566 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 115.062 123.19 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
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+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 17e9aeff-c4ad-49fa-8065-0bfd6ba59703))
+    (pin "2" (uuid 96430fa9-69e9-45ee-b1e6-b1d50967b8f9))
+  )
+
+  (symbol (lib_id "Device:R") (at 119.38 69.85 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid ab8afabe-d8e9-44e5-baef-37763049e616)
+    (property "Reference" "R78" (id 0) (at 121.1581 68.9415 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "R" (id 1) (at 121.1581 71.7166 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 117.602 69.85 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 119.38 69.85 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 7fcec4e0-68a2-488d-9315-a385c88e2ad5))
+    (pin "2" (uuid e3e68820-e238-45f7-935e-f5425ba583ef))
+  )
+
+  (symbol (lib_id "Connector_Generic_MountingPin:Conn_01x02_MountingPin") (at 121.92 137.16 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid d9bf190e-1056-4821-b336-4ea19f0ba575)
+    (property "Reference" "J22" (id 0) (at 123.9521 139.5535 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "BAT_TEMP" (id 1) (at 123.9521 142.3286 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 121.92 137.16 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 121.92 137.16 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 03b45b24-9468-4b8a-97d4-60172201bd72))
+    (pin "2" (uuid afd89ba0-5f84-45f0-b23d-7054ab396e3c))
+    (pin "MP" (uuid 5a90283d-abe9-4d40-9959-b44520f66b1f))
+  )
+
+  (symbol (lib_id "Connector_Generic_MountingPin:Conn_01x02_MountingPin") (at 142.24 54.61 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 166953c9-496d-47cb-85e2-a32b04732b62)
+    (property "Reference" "J23" (id 0) (at 144.2721 57.0035 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "Heater" (id 1) (at 144.2721 59.7786 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 142.24 54.61 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 142.24 54.61 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 6bf9678f-ab0c-4055-a25b-8b220af1023a))
+    (pin "2" (uuid e79df810-ad2d-4801-8d25-15b04866359e))
+    (pin "MP" (uuid 0834d218-95d7-4294-b11a-31f1fb96f341))
+  )
+
+  (symbol (lib_id "TCY_power_management:AP22653") (at 107.95 57.15 0)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid c04c4a54-42a5-4b1d-a586-dcc34aab7e56)
+    (property "Reference" "U26" (id 0) (at 107.95 48.1034 0))
+    (property "Value" "AP22653" (id 1) (at 107.95 50.8785 0))
+    (property "Footprint" "Package_DFN_QFN:DFN-6-1EP_2x2mm_P0.65mm_EP1x1.6mm" (id 2) (at 105.41 81.28 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "https://www.diodes.com/assets/Datasheets/AP22652_53_52A_53A.pdf" (id 3) (at 107.95 78.74 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 36632009-a04d-47fb-83a7-116c97e95f6b))
+    (pin "2" (uuid ed81ed02-4e65-455d-b14f-61342c4851f0))
+    (pin "3" (uuid 82250c16-6483-4553-9c2c-7d809533f27e))
+    (pin "4" (uuid cc9d32d4-02f3-4e3b-bf03-62cad43c098b))
+    (pin "5" (uuid 2a8cfed1-3374-470a-b120-446d96d851c6))
+    (pin "6" (uuid d4bd2d59-b0d7-4a77-8d11-042d0700927b))
+    (pin "7" (uuid 4c4dce31-cc5d-4cd9-a264-52de1ae02e23))
+  )
+)

modules/EPS/Battery_temperature_control.kicad_sch

@@ -0,0 +1,584 @@
+(kicad_sch (version 20210621) (generator eeschema)
+
+  (uuid 11cd2ff5-feed-4db2-af14-43763d29bc27)
+
+  (paper "A4")
+
+  (title_block
+    (title "BUTCube - EPS")
+    (date "2021-06-01")
+    (rev "v1.0")
+    (company "VUT - FIT(STRaDe) & FME(IAE & IPE)")
+    (comment 1 "Author: Petr Malaník")
+  )
+
+  (lib_symbols
+    (symbol "Connector:TestPoint" (pin_numbers hide) (pin_names (offset 0.762) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "TP" (id 0) (at 0 6.858 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "TestPoint" (id 1) (at 0 5.08 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at 5.08 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 5.08 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "test point tp" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "test point" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "Pin* Test*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "TestPoint_0_1"
+        (circle (center 0 3.302) (radius 0.762) (stroke (width 0)) (fill (type none)))
+      )
+      (symbol "TestPoint_1_1"
+        (pin passive line (at 0 0 90) (length 2.54)
+          (name "1" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "Connector_Generic_MountingPin:Conn_01x02_MountingPin" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "J" (id 0) (at 0 2.54 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "Conn_01x02_MountingPin" (id 1) (at 1.27 -5.08 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (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" "connector" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Generic connectable mounting pin connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
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+  (text "Assumed heater is resistive heating\n	wire fixed to battery with Kapton tape.\n\nHeating power should be in range of 1-4W.\n\nSuggested heating wire is Kanthal or Konstantan.\n\nWith nominal battery voltage of 3.7V,\n	resistance of wire for 2W heating\n	should be around 6.8R.\n\nFor uniform heat distribution there should be\n	more then at least 20 turns of wire or more."
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