diff --git a/hw/usbc_soldering_iron.kicad_pcb b/hw/usbc_soldering_iron.kicad_pcb
index c1b10f9..eb1f38e 100644
--- a/hw/usbc_soldering_iron.kicad_pcb
+++ b/hw/usbc_soldering_iron.kicad_pcb
@@ -151,7 +151,7 @@
 	(net 5 "Net-(U10-BST)")
 	(net 6 "/BTN")
 	(net 7 "/ENC_B")
-	(net 8 "Net-(D3-K)")
+	(net 8 "/VTIP")
 	(net 9 "/TC_FB")
 	(net 10 "/BOOTSEL")
 	(net 11 "Net-(C27-Pad2)")
@@ -160,9 +160,9 @@
 	(net 14 "/SDA")
 	(net 15 "/ENC_A")
 	(net 16 "/BLUE")
-	(net 17 "Net-(U2-IN-)")
+	(net 17 "Net-(Q2-B)")
 	(net 18 "/D-")
-	(net 19 "Net-(D1-A)")
+	(net 19 "Net-(Q4-D)")
 	(net 20 "/HEATER_ON")
 	(net 21 "Net-(D5-K)")
 	(net 22 "/CC2")
@@ -192,23 +192,20 @@
 	(net 46 "unconnected-(U3-NC-Pad9)")
 	(net 47 "Net-(J4-Pin_9)")
 	(net 48 "unconnected-(U1-PA4-Pad6)")
-	(net 49 "/VDRIVE")
+	(net 49 "Net-(Q4-G)")
 	(net 50 "/NTC")
 	(net 51 "Net-(D6-K)")
 	(net 52 "unconnected-(U5-INT1-Pad5)")
 	(net 53 "unconnected-(U5-INT2-Pad6)")
 	(net 54 "unconnected-(U11-Pad0)")
-	(net 55 "Net-(Q1-D)")
+	(net 55 "unconnected-(U1-PA5-Pad7)")
 	(net 56 "Net-(Q1-G)")
 	(net 57 "unconnected-(U11-Pad0)_1")
 	(net 58 "unconnected-(U11-Pad0)_2")
 	(net 59 "unconnected-(U11-Pad0)_3")
 	(net 60 "unconnected-(U11-Pad0)_4")
 	(net 61 "unconnected-(U11-Pad0)_5")
-	(net 62 "/VDRIVE_ON")
-	(net 63 "Net-(U6-FB)")
-	(net 64 "unconnected-(U6-NC-Pad6)")
-	(net 65 "unconnected-(U1-PA3-Pad5)")
+	(net 62 "unconnected-(U1-PA3-Pad5)")
 	(footprint "Capacitor_SMD:C_0603_1608Metric"
 		(layer "F.Cu")
 		(uuid "021d98f9-5587-4d7a-9ad6-f94a0cd6ba84")
@@ -608,147 +605,6 @@
 			)
 		)
 	)
-	(footprint "Inductor_SMD:L_0603_1608Metric"
-		(layer "F.Cu")
-		(uuid "11d4b522-6e3c-4016-9f1c-9f11ed3cb953")
-		(at 181.1625 131.9)
-		(descr "Inductor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator")
-		(tags "inductor")
-		(property "Reference" "L3"
-			(at 0 -1.43 0)
-			(layer "F.SilkS")
-			(uuid "7ebba155-c035-4396-bd87-5f23af896434")
-			(effects
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-		(sheetname "/")
-		(sheetfile "usbc_soldering_iron.kicad_sch")
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-		(fp_text user "${REFERENCE}"
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-		(pad "1" smd roundrect
-			(at -0.7875 0)
-			(size 0.875 0.95)
-			(layers "F.Cu" "F.Mask" "F.Paste")
-			(roundrect_rratio 0.25)
-			(net 1 "+3.3V")
-			(pintype "passive")
-			(uuid "ab3b471d-0da8-4e30-be8f-3e2aa2197737")
-		)
-		(pad "2" smd roundrect
-			(at 0.7875 0)
-			(size 0.875 0.95)
-			(layers "F.Cu" "F.Mask" "F.Paste")
-			(roundrect_rratio 0.25)
-			(net 19 "Net-(D1-A)")
-			(pintype "passive")
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-		)
-		(embedded_fonts no)
-		(model "${KICAD9_3DMODEL_DIR}/Inductor_SMD.3dshapes/L_0603_1608Metric.step"
-			(offset
-				(xyz 0 0 0)
-			)
-			(scale
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-			)
-			(rotate
-				(xyz 0 0 0)
-			)
-		)
-	)
 	(footprint "Package_SON:USON-10_2.5x1.0mm_P0.5mm"
 		(layer "F.Cu")
 		(uuid "151aea7f-0e43-4411-aa7f-1400341fed81")
@@ -1055,147 +911,6 @@
 			)
 		)
 	)
-	(footprint "Capacitor_SMD:C_0603_1608Metric"
-		(layer "F.Cu")
-		(uuid "1694f75e-3c56-4d3a-88b6-56958c8bb86d")
-		(at 181.1625 130.24)
-		(descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
-		(tags "capacitor")
-		(property "Reference" "C8"
-			(at 0 -1.43 0)
-			(layer "F.SilkS")
-			(uuid "06068658-2034-426e-b21d-4f42bfca2c30")
-			(effects
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-					(size 1 1)
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-			(at 0 1.43 0)
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-			(uuid "b0d874ba-6110-4e65-97d9-2b425e8225a2")
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-		(property "Datasheet" "~"
-			(at 0 0 0)
-			(layer "F.Fab")
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-		(property "Description" "Unpolarized capacitor, small symbol"
-			(at 0 0 0)
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-		(path "/e0c291ac-7377-4d85-ace5-4ce45211808b")
-		(sheetname "/")
-		(sheetfile "usbc_soldering_iron.kicad_sch")
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-			(fill no)
-			(layer "F.CrtYd")
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-		(fp_rect
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-		(pad "1" smd roundrect
-			(at -0.775 0)
-			(size 0.9 0.95)
-			(layers "F.Cu" "F.Mask" "F.Paste")
-			(roundrect_rratio 0.25)
-			(net 49 "/VDRIVE")
-			(pintype "passive")
-			(uuid "21a8aced-d03c-4e13-8731-83a2b148de05")
-		)
-		(pad "2" smd roundrect
-			(at 0.775 0)
-			(size 0.9 0.95)
-			(layers "F.Cu" "F.Mask" "F.Paste")
-			(roundrect_rratio 0.25)
-			(net 2 "GND")
-			(pintype "passive")
-			(uuid "1be4110b-07e7-4085-83a9-a86c1ba6a5a5")
-		)
-		(embedded_fonts no)
-		(model "${KICAD9_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.step"
-			(offset
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-			)
-			(scale
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-			)
-			(rotate
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-			)
-		)
-	)
 	(footprint "Connector_Wire:SolderWire-0.25sqmm_1x01_D0.65mm_OD1.7mm"
 		(layer "F.Cu")
 		(uuid "1742b295-9dbd-4ba4-aa97-d4459e9e9aea")
@@ -1312,500 +1027,6 @@
 			)
 		)
 	)
-	(footprint "Package_SON:VSON-8_3.3x3.3mm_P0.65mm_NexFET"
-		(layer "F.Cu")
-		(uuid "18538ecd-02e3-4ce4-8433-9213364df752")
-		(at 161.1 149.1)
-		(descr "8-Lead Plastic Dual Flat, No Lead Package (MF) - 3.3x3.3x1 mm Body [VSON] http://www.ti.com/lit/ds/symlink/csd87334q3d.pdf")
-		(tags "VSON 0.65")
-		(property "Reference" "Q1"
-			(at 0 -2.8 0)
-			(layer "F.SilkS")
-			(uuid "b8ccb257-cd37-4686-9091-79cdd2ec09ec")
-			(effects
-				(font
-					(size 1 1)
-					(thickness 0.15)
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-		)
-		(property "Value" "CSD16327Q3"
-			(at 0 2.8 0)
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-			(at 0 0 0)
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-		(path "/c94dd3a6-7619-4a3f-ad16-f704a88abbf3")
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-		(sheetfile "usbc_soldering_iron.kicad_sch")
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@@ -5635,17 +4084,16 @@
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 		(layer "F.Cu")
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+		(uuid "7bb13abb-0158-45d1-a6e1-523b4ca7f7ff")
+		(at 159.9425 148.95)
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+		(tags "Vishay PowerPAK 1212-8 Single")
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+		(property "Value" "ZC006PG"
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+		(property "Description" "-35A Id, -40V Vds, P-Channel MOSFET, PowerPAK 1212-8 Single"
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-		(path "/e4029bb4-0c18-4b4b-b916-4fa83b1b2e34")
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 		)
 		(fp_text user "${REFERENCE}"
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+			(at 0 0 0)
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 		)
-		(pad "1" smd roundrect
-			(at -0.95 0 90)
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+		(pad "1" smd rect
+			(at -1.435 -0.99)
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 			(layers "F.Cu" "F.Mask" "F.Paste")
-			(roundrect_rratio 0.25)
-			(net 17 "Net-(U2-IN-)")
+			(net 16 "/BLUE")
+			(pinfunction "S")
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-			(uuid "c90ad6ab-386e-4865-802b-7bc305b34e21")
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 		)
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 			(layers "F.Cu" "F.Mask" "F.Paste")
-			(roundrect_rratio 0.25)
-			(net 2 "GND")
+			(net 16 "/BLUE")
+			(pinfunction "S")
 			(pintype "passive")
-			(uuid "7f79345e-69b3-4e28-875d-cbb9df764635")
+			(uuid "877a0c74-ae56-4b35-b17c-6397b24e395d")
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+			(at -1.435 0.33)
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+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(net 16 "/BLUE")
+			(pinfunction "S")
+			(pintype "passive")
+			(uuid "7b31b5d8-9a6f-4bb5-9939-0b472ee99cb7")
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+		(pad "4" smd rect
+			(at -1.435 0.99)
+			(size 0.99 0.405)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(net 56 "Net-(Q1-G)")
+			(pinfunction "G")
+			(pintype "passive")
+			(uuid "ea39eeec-ecb3-4ba9-94e4-402b51166fbc")
+		)
+		(pad "5" smd custom
+			(at 0.5575 0)
+			(size 1.725 2.235)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(net 8 "/VTIP")
+			(pinfunction "D")
+			(pintype "passive")
+			(zone_connect 2)
+			(thermal_bridge_angle 45)
+			(options
+				(clearance outline)
+				(anchor rect)
+			)
+			(primitives
+				(gr_poly
+					(pts
+						(xy 1.3725 -0.7875) (xy 0.8625 -0.7875) (xy 0.8625 -0.5325) (xy 1.3725 -0.5325) (xy 1.3725 -0.1275)
+						(xy 0.8625 -0.1275) (xy 0.8625 0.1275) (xy 1.3725 0.1275) (xy 1.3725 0.5325) (xy 0.8625 0.5325)
+						(xy 0.8625 0.7875) (xy 1.3725 0.7875) (xy 1.3725 1.195) (xy 0.6125 1.195) (xy 0.6125 -1.195) (xy 1.3725 -1.195)
+					)
+					(width 0)
+					(fill yes)
+				)
+			)
+			(uuid "18a2f5f6-0d96-4807-95e7-c3c841e66c22")
 		)
 		(embedded_fonts no)
-		(model "${KICAD9_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.step"
+		(model "${KICAD9_3DMODEL_DIR}/Package_SO.3dshapes/Vishay_PowerPAK_1212-8_Single.step"
 			(offset
 				(xyz 0 0 0)
 			)
@@ -5919,279 +4533,6 @@
 			)
 		)
 	)
-	(footprint "Diode_SMD:D_SOD-523"
-		(layer "F.Cu")
-		(uuid "7e22abe1-7927-45a1-929c-2a0d4fff8092")
-		(at 173.2 160.65)
-		(descr "http://www.diodes.com/datasheets/ap02001.pdf p.144")
-		(tags "Diode SOD523")
-		(property "Reference" "D1"
-			(at 0 -1.3 0)
-			(layer "F.SilkS")
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-		(path "/cbc5ba64-c27b-4b3f-b451-ec1f0709f1c4")
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-		(fp_text user "${REFERENCE}"
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-		(pad "1" smd roundrect
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-			(size 0.6 0.7)
-			(layers "F.Cu" "F.Mask" "F.Paste")
-			(roundrect_rratio 0.25)
-			(net 49 "/VDRIVE")
-			(pinfunction "K")
-			(pintype "passive")
-			(uuid "cdfb4ca4-b814-48fe-a917-c19256d01642")
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-			(roundrect_rratio 0.25)
-			(net 19 "Net-(D1-A)")
-			(pinfunction "A")
-			(pintype "passive")
-			(uuid "51718164-e1fc-46be-a1ba-3e915460053e")
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-		(embedded_fonts no)
-		(model "${KICAD9_3DMODEL_DIR}/Diode_SMD.3dshapes/D_SOD-523.step"
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-			(scale
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-			(rotate
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-	)
 	(footprint "Package_DFN_QFN:QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mm"
 		(layer "F.Cu")
 		(uuid "84211489-4aeb-493e-b193-d8140bf411d9")
@@ -6649,7 +4990,7 @@
 			(size 0.85 0.2)
 			(layers "F.Cu" "F.Mask" "F.Paste")
 			(roundrect_rratio 0.25)
-			(net 65 "unconnected-(U1-PA3-Pad5)")
+			(net 62 "unconnected-(U1-PA3-Pad5)")
 			(pinfunction "PA3")
 			(pintype "bidirectional")
 			(uuid "b03cb550-c99a-426f-922f-a93835125e3c")
@@ -6669,7 +5010,7 @@
 			(size 0.2 0.85)
 			(layers "F.Cu" "F.Mask" "F.Paste")
 			(roundrect_rratio 0.25)
-			(net 62 "/VDRIVE_ON")
+			(net 55 "unconnected-(U1-PA5-Pad7)")
 			(pinfunction "PA5")
 			(pintype "bidirectional")
 			(uuid "57305430-0a86-45cb-907a-7a922cf66f97")
@@ -8024,6 +6365,397 @@
 			)
 		)
 	)
+	(footprint "Package_TO_SOT_SMD:SOT-23"
+		(layer "F.Cu")
+		(uuid "a7a459fa-a523-4eb4-a419-e900a4b23d4f")
+		(at 156.01 155.975)
+		(descr "SOT, 3 Pin (JEDEC TO-236 Var AB https://www.jedec.org/document_search?search_api_views_fulltext=TO-236), generated with kicad-footprint-generator ipc_gullwing_generator.py")
+		(tags "SOT TO_SOT_SMD")
+		(property "Reference" "Q3"
+			(at 0 -2.4 0)
+			(layer "F.SilkS")
+			(uuid "987dfbc3-2805-4d95-99a3-9de20d972bb9")
+			(effects
+				(font
+					(size 1 1)
+					(thickness 0.15)
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+		(property "Value" "MMBT3906"
+			(at 0 2.4 0)
+			(layer "F.Fab")
+			(uuid "a2f5481e-94b1-4bca-8e50-4470302209ec")
+			(effects
+				(font
+					(size 1 1)
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+				)
+			)
+		)
+		(property "Datasheet" "https://www.onsemi.com/pdf/datasheet/pzt3906-d.pdf"
+			(at 0 0 0)
+			(layer "F.Fab")
+			(hide yes)
+			(uuid "a238e35f-83bc-4675-8326-27d08e508a6b")
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+		(property "Description" "-0.2A Ic, -40V Vce, Small Signal PNP Transistor, SOT-23"
+			(at 0 0 0)
+			(layer "F.Fab")
+			(hide yes)
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+		(property "Sim.Device" "PNP"
+			(at 0 0 0)
+			(unlocked yes)
+			(layer "F.Fab")
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+		(property "Sim.Pins" "1=B 2=E 3=C"
+			(at 0 0 0)
+			(unlocked yes)
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+		(property ki_fp_filters "SOT?23*")
+		(path "/55d79204-1b62-40b8-91f9-9896660d9c2c")
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+		(sheetfile "usbc_soldering_iron.kicad_sch")
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+		(tags "SOT TO_SOT_SMD")
+		(property "Reference" "Q2"
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+			(layer "F.Fab")
+			(uuid "8985c8b0-356b-448c-a6bf-77daec088cc6")
+		)
+		(fp_text user "${REFERENCE}"
+			(at 0 0 90)
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+			(uuid "7b1cff76-3803-43ab-ba14-a87d87dcaa7d")
+			(effects
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+					(thickness 0.11)
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+			(at -0.9375 -0.95)
+			(size 1.475 0.6)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(roundrect_rratio 0.25)
+			(net 17 "Net-(Q2-B)")
+			(pinfunction "B")
+			(pintype "input")
+			(uuid "6e36b7d8-224c-470e-a44d-ab0e8e842c4a")
+		)
+		(pad "2" smd roundrect
+			(at -0.9375 0.95)
+			(size 1.475 0.6)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(roundrect_rratio 0.25)
+			(net 56 "Net-(Q1-G)")
+			(pinfunction "E")
+			(pintype "passive")
+			(uuid "69bdd405-8a64-4258-9e9b-6da05cc65393")
+		)
+		(pad "3" smd roundrect
+			(at 0.9375 0)
+			(size 1.475 0.6)
+			(layers "F.Cu" "F.Mask" "F.Paste")
+			(roundrect_rratio 0.25)
+			(net 8 "/VTIP")
+			(pinfunction "C")
+			(pintype "passive")
+			(uuid "ef8c34af-2d3b-44d9-9922-d58a7a16e0bb")
+		)
+		(embedded_fonts no)
+		(model "${KICAD9_3DMODEL_DIR}/Package_TO_SOT_SMD.3dshapes/SOT-23.step"
+			(offset
+				(xyz 0 0 0)
+			)
+			(scale
+				(xyz 1 1 1)
+			)
+			(rotate
+				(xyz 0 0 0)
+			)
+		)
+	)
 	(footprint "Resistor_SMD:R_1206_3216Metric"
 		(layer "F.Cu")
 		(uuid "edeaf17e-e9b8-4e58-baf2-4f2469612a62")
@@ -10334,7 +9344,7 @@
 			(size 1.125 1.75)
 			(layers "F.Cu" "F.Mask" "F.Paste")
 			(roundrect_rratio 0.222222)
-			(net 17 "Net-(U2-IN-)")
+			(net 8 "/VTIP")
 			(pintype "passive")
 			(uuid "e05cde56-54e9-4a48-ab7d-afd35777bb1e")
 		)
@@ -10351,147 +9361,6 @@
 			)
 		)
 	)
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-		(tags "resistor")
-		(property "Reference" "R21"
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-			(layer "F.SilkS")
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-		(property "Datasheet" "~"
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-		(property "Description" "Resistor, small symbol"
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-		(path "/c3643f5c-55e5-4c35-b8b5-f1dee76bbf9a")
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diff --git a/hw/usbc_soldering_iron.kicad_sch b/hw/usbc_soldering_iron.kicad_sch
index f454db3..1a84dab 100644
--- a/hw/usbc_soldering_iron.kicad_sch
+++ b/hw/usbc_soldering_iron.kicad_sch
@@ -4507,7 +4507,7 @@
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@@ -4524,7 +4524,7 @@
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@@ -4544,8 +4544,8 @@
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@@ -4563,7 +4563,7 @@
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@@ -4581,7 +4581,441 @@
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@@ -13731,6 +14984,75 @@
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@@ -17082,6 +18498,73 @@
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@@ -17427,6 +18910,79 @@
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+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "eb9f72a5-a72a-4d4c-84ea-b42d8a534b81")
+		(property "Reference" "Q4"
+			(at 360.68 191.7699 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Value" "AO3400A"
+			(at 360.68 194.3099 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Footprint" "Package_TO_SOT_SMD:SOT-23"
+			(at 359.41 190.5 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 354.33 193.04 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "N-MOSFET transistor, gate/source/drain"
+			(at 354.33 193.04 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "2"
+			(uuid "590c15fd-0656-41f5-9eed-5887735035f5")
+		)
+		(pin "1"
+			(uuid "a109010a-f790-43da-9519-ae3d6e1ec5ca")
+		)
+		(pin "3"
+			(uuid "8fd76cf2-50df-4fd5-814e-7842b26b231f")
+		)
+		(instances
+			(project ""
+				(path "/7095b018-eac3-4b01-b374-28e3216c4fd8"
+					(reference "Q4")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "power:GND")
 		(at 148.59 74.93 0)
diff --git a/sim/pi_filter.asc b/sim/pi_filter.asc
index 2fe71da..79b09c7 100644
--- a/sim/pi_filter.asc
+++ b/sim/pi_filter.asc
@@ -1,141 +1,95 @@
 Version 4.1
-SHEET 1 1012 804
-WIRE 16 -720 -144 -720
-WIRE 384 -720 96 -720
-WIRE -1248 -560 -1600 -560
-WIRE -944 -560 -1168 -560
-WIRE -880 -560 -944 -560
-WIRE -800 -560 -880 -560
-WIRE -384 -560 -704 -560
-WIRE -272 -560 -384 -560
-WIRE -144 -560 -144 -720
-WIRE -144 -560 -272 -560
-WIRE 0 -560 -144 -560
-WIRE 256 -560 80 -560
-WIRE 384 -560 384 -720
-WIRE 384 -560 336 -560
-WIRE 512 -560 384 -560
-WIRE 608 -560 512 -560
-WIRE 752 -560 608 -560
-WIRE -880 -512 -880 -560
-WIRE -1600 -496 -1600 -560
-WIRE -1600 -496 -1680 -496
-WIRE -944 -496 -944 -560
-WIRE -1680 -480 -1680 -496
-WIRE -272 -480 -272 -560
-WIRE 512 -480 512 -560
-WIRE -384 -464 -384 -560
-WIRE 608 -464 608 -560
-WIRE -144 -432 -144 -560
-WIRE 16 -432 -144 -432
-WIRE 384 -432 384 -560
-WIRE 384 -432 80 -432
-WIRE -1600 -400 -1600 -496
-WIRE -944 -400 -944 -432
-WIRE -880 -400 -880 -432
-WIRE -880 -400 -944 -400
-WIRE -784 -400 -784 -512
-WIRE -784 -400 -880 -400
-WIRE -784 -384 -784 -400
-WIRE -384 -352 -384 -400
-WIRE 608 -352 608 -400
+SHEET 1 1172 804
+WIRE -1360 -560 -1600 -560
+WIRE -1248 -560 -1360 -560
+WIRE -960 -560 -1168 -560
+WIRE -832 -560 -960 -560
+WIRE -384 -560 -832 -560
+WIRE 384 -560 -384 -560
+WIRE 480 -560 384 -560
+WIRE 752 -560 480 -560
+WIRE -1360 -544 -1360 -560
+WIRE -960 -544 -960 -560
+WIRE -832 -544 -832 -560
+WIRE 384 -512 384 -560
+WIRE -1360 -448 -1360 -480
+WIRE -960 -448 -960 -480
+WIRE -832 -448 -832 -480
+WIRE -1600 -432 -1600 -560
+WIRE -1600 -432 -1680 -432
+WIRE 480 -416 480 -560
+WIRE -1600 -400 -1600 -432
+WIRE 384 -368 384 -432
+WIRE 416 -368 384 -368
+WIRE -1680 -336 -1680 -432
+WIRE 752 -320 752 -560
+WIRE 480 -304 480 -320
+WIRE 640 -304 480 -304
+WIRE 704 -304 640 -304
 WIRE -1600 -288 -1600 -320
-WIRE -784 -288 -784 -304
-WIRE -960 -240 -1008 -240
-WIRE -848 -240 -880 -240
-WIRE 752 -208 752 -560
-WIRE -1008 -176 -1008 -240
-WIRE -784 -176 -784 -192
-WIRE 240 -144 208 -144
-WIRE 512 -144 304 -144
-WIRE 704 -128 592 -128
+WIRE 480 -288 480 -304
+WIRE -1680 -240 -1680 -272
+WIRE 384 -240 384 -368
+WIRE 416 -240 384 -240
+WIRE 480 -160 480 -192
 WIRE -1600 -112 -1600 -208
-WIRE 208 -80 208 -144
-WIRE 208 -80 96 -80
-WIRE 352 -80 208 -80
-WIRE 512 -80 512 -144
-WIRE 512 -80 480 -80
-WIRE 656 -80 512 -80
 WIRE -1600 -64 -1600 -112
-WIRE -1600 -64 -1728 -64
-WIRE -1008 -64 -1008 -96
-WIRE 656 -64 656 -80
-WIRE -1600 -48 -1600 -64
-WIRE -1728 -16 -1728 -64
-WIRE 352 -16 320 -16
-WIRE 592 -16 592 -128
-WIRE 592 -16 480 -16
-WIRE 320 0 320 -16
-WIRE -1600 48 -1600 32
-WIRE 352 48 96 48
-WIRE 656 48 656 0
-WIRE 656 48 480 48
-WIRE 752 48 752 -112
-WIRE 752 48 656 48
-WIRE 752 96 752 48
-WIRE -1728 128 -1728 48
-WIRE 96 144 96 48
-WIRE 752 208 752 176
-WIRE 848 208 752 208
-WIRE 752 240 752 208
-WIRE 848 256 848 208
-WIRE 752 384 752 320
-WIRE 848 384 848 320
-FLAG 752 384 0
-FLAG -1600 128 0
-FLAG 96 224 0
+WIRE 384 -64 384 -240
+WIRE 752 -48 752 -224
+WIRE 992 -48 752 -48
+WIRE 752 0 752 -48
+WIRE 752 48 752 0
+WIRE -1600 64 -1600 16
+WIRE -1600 64 -1728 64
+WIRE 384 64 384 16
+WIRE -1600 80 -1600 64
+WIRE -1728 112 -1728 64
+WIRE 208 144 112 144
+WIRE 336 144 288 144
+WIRE -1600 176 -1600 160
+WIRE 384 176 384 160
+WIRE 112 208 112 144
+WIRE 752 208 752 128
+WIRE -1728 256 -1728 176
+WIRE 752 320 752 288
+WIRE 848 320 752 320
+WIRE 992 336 992 -48
+WIRE 752 352 752 320
+WIRE 848 368 848 320
+WIRE 752 496 752 432
+WIRE 848 496 848 432
+WIRE 992 496 992 400
+FLAG 752 496 0
+FLAG -1600 256 0
 FLAG -1600 -560 vbus
 FLAG -384 -560 vmid
-FLAG -1008 -240 vcc
-FLAG 848 384 0
-FLAG -1680 -416 0
-FLAG -1600 -112 vdrv
-FLAG -1728 128 0
-FLAG -784 -176 0
-FLAG -1008 -64 0
-FLAG 320 0 0
-FLAG 96 -80 cp
-FLAG 96 0 0
-FLAG -272 -352 0
-FLAG 512 -352 0
-FLAG 608 -352 0
-FLAG -384 -352 0
-SYMBOL nmos 704 -208 R0
-SYMATTR InstName M1
-SYMATTR Value AON7262E
-SYMBOL res 736 224 R0
+FLAG 848 496 0
+FLAG -1360 -448 0
+FLAG -1600 -112 drv
+FLAG -1728 256 0
+FLAG 384 176 0
+FLAG 112 288 0
+FLAG -960 -448 0
+FLAG -832 -448 0
+FLAG 992 496 0
+FLAG -1680 -240 0
+FLAG 752 0 tip
+FLAG 480 -160 0
+FLAG 640 -304 gate
+SYMBOL res 736 336 R0
 SYMATTR InstName R1
 SYMATTR Value {rtip}
-SYMBOL ind -16 -544 R270
-WINDOW 0 32 56 VTop 2
-WINDOW 3 5 56 VBottom 2
-SYMATTR InstName L1
-SYMATTR Value flux={L*Is}*tanh(x/{Is})
-SYMBOL voltage -1600 32 R0
+SYMBOL voltage -1600 160 R0
 WINDOW 123 0 0 Left 0
 WINDOW 39 24 44 Left 2
 SYMATTR InstName V1
-SYMATTR Value PWL(0 0 1m 0 1.1m {vbus} 10m {vbus} 10.1m 0)
-SYMBOL voltage 96 128 R0
-WINDOW 123 0 0 Left 0
-WINDOW 39 0 0 Left 0
-SYMATTR InstName V3
-SYMATTR Value PULSE(0 5 5m 100n 100n {d*1/fsw} {1/fsw} 200)
-SYMBOL cap 640 -64 R0
-SYMATTR InstName C3
-SYMATTR Value 100n
-SYMBOL pmos -704 -512 M270
-SYMATTR InstName M2
-SYMATTR Value RRS090P03
-SYMBOL res -896 -528 R0
-SYMATTR InstName R3
-SYMATTR Value 1k
+SYMATTR Value PWL(0 0 1m 0 1.1m {vbus} 20m {vbus} 20.1m 0)
 SYMBOL res -1264 -544 R270
 WINDOW 0 32 56 VTop 2
 WINDOW 3 0 56 VBottom 2
 SYMATTR InstName R2
 SYMATTR Value 5m
-SYMBOL cap 832 256 R0
+SYMBOL cap 832 368 R0
 SYMATTR InstName C4
 SYMATTR Value 10p
 SYMBOL ind -1616 -416 R0
@@ -145,80 +99,73 @@ SYMATTR SpiceLine Rser=1m
 SYMBOL res -1616 -304 R0
 SYMATTR InstName R8
 SYMATTR Value 120m
-SYMBOL cap -1696 -480 R0
+SYMBOL cap -1376 -544 R0
 SYMATTR InstName C5
 SYMATTR Value 1µ
-SYMBOL res -1616 -64 R0
+SYMBOL res -1616 64 R0
 SYMATTR InstName R9
 SYMATTR Value 20m
-SYMBOL cap -1744 -16 R0
+SYMBOL cap -1744 112 R0
 SYMATTR InstName C6
 SYMATTR Value 10µ
-SYMBOL cap 80 -448 R90
-WINDOW 0 0 32 VBottom 2
-WINDOW 3 32 32 VTop 2
-SYMATTR InstName C7
-SYMATTR Value 5p
-SYMBOL res 352 -576 R90
-WINDOW 0 0 56 VBottom 2
-WINDOW 3 32 56 VTop 2
-SYMATTR InstName R11
-SYMATTR Value 20m
-SYMBOL res 112 -736 R90
-WINDOW 0 0 56 VBottom 2
-WINDOW 3 32 56 VTop 2
-SYMATTR InstName R12
-SYMATTR Value 10Meg
-SYMBOL diode -928 -432 R180
-WINDOW 0 24 64 Left 2
-WINDOW 3 24 0 Left 2
-SYMATTR InstName D2
-SYMATTR Value UFZV15B
-SYMBOL res -800 -400 R0
-SYMATTR InstName R4
-SYMATTR Value 1k
-SYMBOL npn -848 -288 R0
-SYMATTR InstName Q1
-SYMATTR Value 2N2222
-SYMBOL res -864 -256 R90
-WINDOW 0 0 56 VBottom 2
-WINDOW 3 32 56 VTop 2
-SYMATTR InstName R5
-SYMATTR Value 1k
-SYMBOL voltage -1008 -192 R0
-WINDOW 123 0 0 Left 0
-WINDOW 39 0 0 Left 0
-SYMATTR InstName V4
-SYMATTR Value {vcc}
-SYMBOL IRS10752L 416 -48 R0
-WINDOW 3 2 120 Top 2
-SYMATTR InstName U2
-SYMBOL schottky 240 -128 R270
-WINDOW 0 32 32 VTop 2
-WINDOW 3 0 32 VBottom 2
-SYMATTR InstName D5
-SYMATTR Value 1N5818
-SYMBOL voltage 96 -96 R0
-SYMATTR InstName V2
-SYMATTR Value 12
-SYMBOL ind 736 80 R0
+SYMBOL ind 736 192 R0
 SYMATTR InstName L3
 SYMATTR Value 10n
 SYMATTR SpiceLine Rser=1m
-SYMBOL C3216X5R1V226M160AC_b -272 -416 R90
-SYMATTR InstName U4
-SYMBOL C3216X5R1V226M160AC_b 512 -416 R90
-SYMATTR InstName U1
-SYMBOL Contrib\\CHEMI-CON\\Capacitors\\Alcap-SMD\\EMVY350ARA220MF55G -368 -464 M0
+SYMBOL pmos 704 -224 M180
+SYMATTR InstName M1
+SYMATTR Value FDD4141
+SYMBOL res 368 -528 R0
+SYMATTR InstName R6
+SYMATTR Value 10k
+SYMBOL res 368 -80 R0
+SYMATTR InstName R7
+SYMATTR Value 4.7k
+SYMBOL nmos 336 64 R0
+SYMATTR InstName M3
+SYMATTR Value RJU003N03
+SYMBOL res 304 128 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R10
+SYMATTR Value 100
+SYMBOL voltage 112 192 R0
+WINDOW 123 0 0 Left 0
+WINDOW 39 0 0 Left 0
+SYMATTR InstName V2
+SYMATTR Value PULSE(0 {vcc} 1m 100n 100n {1/fsw*d} {1/fsw} 1k)
+SYMBOL cap -976 -544 R0
 SYMATTR InstName C1
-SYMBOL Contrib\\CHEMI-CON\\Capacitors\\Alcap-SMD\\EMVY350ARA220MF55G 592 -464 R0
+SYMATTR Value 100µ
+SYMBOL cap -848 -544 R0
 SYMATTR InstName C2
+SYMATTR Value 100µ
+SYMBOL diode 976 400 M180
+WINDOW 0 24 64 Left 2
+WINDOW 3 24 0 Left 2
+SYMATTR InstName D1
+SYMATTR Value RBR2VWM60A
+SYMATTR Description Diode
+SYMATTR Type diode
+SYMBOL cap -1696 -336 R0
+SYMATTR InstName C3
+SYMATTR Value 100p
+SYMBOL voltage 752 32 R0
+SYMATTR InstName V3
+SYMATTR Value 0
+SYMBOL voltage -1600 -80 R0
+SYMATTR InstName V4
+SYMATTR Value 0
+SYMBOL pnp 416 -192 M180
+SYMATTR InstName Q1
+SYMATTR Value BC807-25
+SYMBOL npn 416 -416 R0
+SYMATTR InstName Q2
+SYMATTR Value BC817-25
 TEXT -1656 -1016 Left 2 !.tran 30m
-TEXT -80 -632 Left 2 !.param L=2.2u Is=7
-TEXT -1648 -808 Left 2 !.param fsw=50k
+TEXT -1648 -808 Left 2 !.param fsw=1k
 TEXT -1648 -776 Left 2 !.param d={pout/(vbus*vbus/rtip)}
 TEXT -1648 -904 Left 2 !.param vbus=28
 TEXT -1648 -840 Left 2 !.param pout=130
 TEXT -1648 -872 Left 2 !.param rtip=2.5
-TEXT 352 112 Left 2 !.lib IRS10752L.lib
 TEXT -1648 -936 Left 2 !.param vcc=3.3