Select signal MOSFETs, incorp into sim

Hardware/keyboard_controller/POWER.kicad_sch

@@ -1,8 +0,0 @@
-(kicad_sch
-	(version 20250114)
-	(generator "eeschema")
-	(generator_version "9.0")
-	(uuid "bf8f9f7a-47a5-494a-9fe1-6531a205cd66")
-	(paper "A4")
-	(lib_symbols)
-)

Hardware/keyboard_controller/keyboard_controller.kicad_sch

@@ -737,7 +737,7 @@
 			(color 0 0 0 0.0000)
 		)
 		(uuid "596f4890-a5ff-4776-a61d-272e3bcbcdd5")
-		(property "Sheetname" "POWER"
+		(property "Sheetname" "Battery"
 			(at 78.74 53.8984 0)
 			(effects
 				(font
@@ -746,7 +746,7 @@
 				(justify left bottom)
 			)
 		)
-		(property "Sheetfile" "POWER.kicad_sch"
+		(property "Sheetfile" "battery.kicad_sch"
 			(at 78.74 72.9746 0)
 			(effects
 				(font

Hardware/keyboard_controller/model/2N7002.lib

@@ -0,0 +1,41 @@
+* DIODES INCORPORATED AND ITS AFFILIATED COMPANIES AND SUBSIDIARIES (COLLECTIVELY, "DIODES") 
+* PROVIDE THESE SPICE MODELS AND DATA (COLLECTIVELY, THE "SM DATA") "AS IS" AND WITHOUT ANY 
+* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY 
+* OR FITNESS FOR A PARTICULAR PURPOSE, ANY WARRANTY ARISING FROM COURSE OF DEALING OR COURSE OF 
+* PERFORMANCE, OR ANY WARRANTY THAT ACCESS TO OR OPERATION OF THE SM DATA WILL BE UNINTERRUPTED, 
+* OR THAT THE SM DATA OR ANY SIMULATION USING THE SM DATA WILL BE ERROR FREE. TO THE MAXIMUM 
+* EXTENT PERMITTED BY LAW, IN NO EVENT WILL DIODES BE LIABLE FOR ANY DIRECT OR INDIRECT, 
+* SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH 
+* THE PRODUCTION OR USE OF SM DATA, HOWEVER CAUSED AND UNDER WHATEVER CAUSE OF ACTION OR THEORY 
+* OF LIABILITY BROUGHT (INCLUDING, WITHOUT LIMITATION, UNDER ANY CONTRACT, NEGLIGENCE OR OTHER 
+* TORT THEORY OF LIABILITY), EVEN IF DIODES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, 
+* AND DIODES' TOTAL LIABILITY (WHETHER IN CONTRACT, TORT OR OTHERWISE) WITH REGARD TO THE SM 
+* DATA WILL NOT, IN THE AGGREGATE, EXCEED ANY SUMS PAID BY YOU TO DIODES FOR THE SM DATA.
+
+
+
+*---------- 2N7002 Spice Model ----------
+.SUBCKT N7002 10 20 30 
+*     TERMINALS:  D  G  S
+M1 1 2 3 3 NMOS L = 1E-006 W = 1E-006 
+RD 10 1 0.976 
+RS 30 3 0.001 
+RG 20 2 160.6 
+CGS 2 3 2E-011 
+EGD 12 0 2 1 1 
+VFB 14 0 0 
+FFB 2 1 VFB 1 
+CGD 13 14 5.9E-011 
+R1 13 0 1 
+D1 12 13 DLIM 
+DDG 15 14 DCGD 
+R2 12 15 1 
+D2 15 0 DLIM 
+DSD 3 10 DSUB 
+.MODEL NMOS NMOS LEVEL = 3 VMAX = 1E+006 ETA = 0 VTO = 2.154 
++ TOX = 6E-008 NSUB = 1E+016 KP = 0.4654 KAPPA = 1E-015 U0 = 400 
+.MODEL DCGD D CJO = 1.2E-011 VJ = 0.6 M = 0.6 
+.MODEL DSUB D IS = 6.808E-010 N = 1.576 RS = 0.1408 BV = 72 CJO = 8E-012 VJ = 0.8 M = 0.6474 
+.MODEL DLIM D IS = 0.0001 
+.ENDS
+*Diodes N7002 Spice Model v0 Last Revised 2017/2/9

Hardware/keyboard_controller/model/BC857BS.lib

@@ -0,0 +1,27 @@
+* DIODES INCORPORATED AND ITS AFFILIATED COMPANIES AND SUBSIDIARIES (COLLECTIVELY, "DIODES") 
+* PROVIDE THESE SPICE MODELS AND DATA (COLLECTIVELY, THE "SM DATA") "AS IS" AND WITHOUT ANY 
+* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY 
+* OR FITNESS FOR A PARTICULAR PURPOSE, ANY WARRANTY ARISING FROM COURSE OF DEALING OR COURSE OF 
+* PERFORMANCE, OR ANY WARRANTY THAT ACCESS TO OR OPERATION OF THE SM DATA WILL BE UNINTERRUPTED, 
+* OR THAT THE SM DATA OR ANY SIMULATION USING THE SM DATA WILL BE ERROR FREE. TO THE MAXIMUM 
+* EXTENT PERMITTED BY LAW, IN NO EVENT WILL DIODES BE LIABLE FOR ANY DIRECT OR INDIRECT, 
+* SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH 
+* THE PRODUCTION OR USE OF SM DATA, HOWEVER CAUSED AND UNDER WHATEVER CAUSE OF ACTION OR THEORY 
+* OF LIABILITY BROUGHT (INCLUDING, WITHOUT LIMITATION, UNDER ANY CONTRACT, NEGLIGENCE OR OTHER 
+* TORT THEORY OF LIABILITY), EVEN IF DIODES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, 
+* AND DIODES' TOTAL LIABILITY (WHETHER IN CONTRACT, TORT OR OTHERWISE) WITH REGARD TO THE SM 
+* DATA WILL NOT, IN THE AGGREGATE, EXCEED ANY SUMS PAID BY YOU TO DIODES FOR THE SM DATA.
+
+
+
+*SRC=BC857BS;DI_BC857BS;BJTs PNP; Si;  45.0V  0.100A  250MHz   Diodes Inc.
+*BJTs - Single device of dual
+.MODEL BC857 PNP (IS=10.2f NF=1.00 BF=650 VAF=121
++ IKF=42.5m ISE=2.25p NE=2.00 BR=4.00 NR=1.00
++ VAR=20.0 IKR=0.105 RE=0.715 RB=2.86 RC=0.286
++ XTB=1.5 CJE=13.3p VJE=1.10 MJE=0.500 CJC=7.80p VJC=0.300 MJC=0.300 
++ TF=586p TR=95.9n EG=1.12 )
+.SUBCKT BC857BS 1 2 3 4 5 6
+Q_A 6 2 1 BC857
+Q_B 3 5 4 BC857
+.ENDS BC857BS

Hardware/keyboard_controller/model/BSS84.lib

@@ -0,0 +1,34 @@
+* DIODES INCORPORATED AND ITS AFFILIATED COMPANIES AND SUBSIDIARIES (COLLECTIVELY, "DIODES") 
+* PROVIDE THESE SPICE MODELS AND DATA (COLLECTIVELY, THE "SM DATA") "AS IS" AND WITHOUT ANY 
+* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY 
+* OR FITNESS FOR A PARTICULAR PURPOSE, ANY WARRANTY ARISING FROM COURSE OF DEALING OR COURSE OF 
+* PERFORMANCE, OR ANY WARRANTY THAT ACCESS TO OR OPERATION OF THE SM DATA WILL BE UNINTERRUPTED, 
+* OR THAT THE SM DATA OR ANY SIMULATION USING THE SM DATA WILL BE ERROR FREE. TO THE MAXIMUM 
+* EXTENT PERMITTED BY LAW, IN NO EVENT WILL DIODES BE LIABLE FOR ANY DIRECT OR INDIRECT, 
+* SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH 
+* THE PRODUCTION OR USE OF SM DATA, HOWEVER CAUSED AND UNDER WHATEVER CAUSE OF ACTION OR THEORY 
+* OF LIABILITY BROUGHT (INCLUDING, WITHOUT LIMITATION, UNDER ANY CONTRACT, NEGLIGENCE OR OTHER 
+* TORT THEORY OF LIABILITY), EVEN IF DIODES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, 
+* AND DIODES' TOTAL LIABILITY (WHETHER IN CONTRACT, TORT OR OTHERWISE) WITH REGARD TO THE SM 
+* DATA WILL NOT, IN THE AGGREGATE, EXCEED ANY SUMS PAID BY YOU TO DIODES FOR THE SM DATA.
+
+
+
+*ZETEX BSS84 Spice Model v1.1 Last Revised 3/5/00
+    *              
+    .SUBCKT BSS84 3 4 5
+    * NODES: DRAIN GATE SOURCE
+    M1 3 2 5 5 MOD1
+    RG 4 2 167
+    RL 3 5 50E6
+    C1 2 5 26P
+    C2 3 2 4P 
+    D1 3 5 DIODE1
+    *
+    .MODEL MOD1 PMOS VTO=-1.709 RS=3.091 RD=0.979 IS=1E-15 KP=0.146
+    +CBD=12P PB=1
+    .MODEL DIODE1 D IS=1.072E-13 RS=0.527 N=1.077
+    .ENDS BSS84
+    *
+    *$
+    *

Hardware/keyboard_controller/testbench/battery_control.wbk

@@ -0,0 +1,27 @@
+{
+  "last_sch_text_sim_command": "",
+  "tabs": [
+    {
+      "analysis": "TRAN",
+      "commands": [
+        ".tran 10m 80m 0",
+        ".kicad adjustpaths",
+        ".save all",
+        ".probe alli",
+        ".probe allp"
+      ],
+      "dottedSecondary": true,
+      "margins": {
+        "bottom": 45,
+        "left": 70,
+        "right": 70,
+        "top": 30
+      },
+      "measurements": [],
+      "showGrid": true,
+      "traces": []
+    }
+  ],
+  "user_defined_signals": [],
+  "version": 6
+}

Hardware/keyboard_controller/testbench/ideal_diode.wbk

@@ -0,0 +1,38 @@
+{
+  "last_sch_text_sim_command": "",
+  "tabs": [
+    {
+      "analysis": "TRAN",
+      "commands": [
+        ".tran 100u 10m 0",
+        ".kicad adjustpaths",
+        ".save all",
+        ".probe alli",
+        ".probe allp"
+      ],
+      "dottedSecondary": true,
+      "margins": {
+        "bottom": 45,
+        "left": 70,
+        "right": 70,
+        "top": 30
+      },
+      "measurements": [],
+      "showGrid": true,
+      "traces": [
+        {
+          "color": "rgb(152, 78, 163)",
+          "signal": "V(/Ideal_Diode_Testbench/BACKWARDS_IN)",
+          "trace_type": 257
+        },
+        {
+          "color": "rgb(255, 127, 0)",
+          "signal": "V(/Ideal_Diode_Testbench/BACKWARDS_OUT)",
+          "trace_type": 257
+        }
+      ]
+    }
+  ],
+  "user_defined_signals": [],
+  "version": 6
+}