component
TPS54335ADDAR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOP-8-EP-150mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
footprint + symbol: give this part its thermal pad. It shipped SOIC-8_3.9x4.9mm_P1.27mm, which has no exposed pad at all - datasheet lists 9 pads against 8 leads, so the ninth is the thermal pad, and the page's own package string is SOP-8-EP-150mil; TI's own SO PowerPAD-8 land. Swapping the land alone would have left pad 9 floating, so the symbol gets a pin on it and page.json is renumbered from "PAD" to match. The 3D body is unchanged: the leads and package outline are identical, only the underside pad is added.
5 files changed
+398−388
pads.json+78−54@@ -1,23 +1,23 @@ { "schema": "adom.pads/1", "slug": "tps54335addar",- "footprint": "SOIC-8_3.9x4.9mm_P1.27mm",+ "footprint": "TI_SO-PowerPAD-8", "generated_from": {- "footprint": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",+ "footprint": "TI_SO-PowerPAD-8@sha256:251b438f7e2e0404", "pins": "page.json:component.pins", "overrides": null }, "pin1": { "pad": "1", "at": [- -2.475,+ -2.78, -1.905 ], "corner": "top-left", "source": "silk-marker",- "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4"+ "derived_from": "TI_SO-PowerPAD-8@sha256:251b438f7e2e0404" },- "pad_count": 8,+ "pad_count": 9, "symbol_pins": [ "1", "2",@@ -26,30 +26,24 @@ "5", "6", "7",- "8"+ "8",+ "9" ], "paste_apertures": 0,- "issues": [- {- "kind": "pin-not-in-symbol",- "pin": "PAD",- "name": "PowerPAD",- "detail": "page.json describes pin \"PAD\" (PowerPAD) from the datasheet, but the symbol has no such pin, so nothing can connect to it"- }- ],+ "issues": [], "pads": [ { "pad": "1", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- -2.475,+ -2.78, -1.905 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -63,7 +57,7 @@ "description": "Bootstrap capacitor node for the high-side MOSFET gate driver. A bootstrap capacitor is required between BOOT and PH. If the BOOT-PH voltage falls below the BOOT-PH UVLO (~2.1-3 V), switching is inhibited until the capacitor is refreshed.", "is_pin1": true, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }@@ -71,15 +65,15 @@ { "pad": "2", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- -2.475,+ -2.78, -0.635 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -93,7 +87,7 @@ "description": "Supply input voltage, 4.5 V to 28 V (30 V abs max). Bypass with a low-ESR ceramic capacitor placed close to the VIN and GND pins.", "is_pin1": false, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }@@ -101,15 +95,15 @@ { "pad": "3", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- -2.475,+ -2.78, 0.635 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -123,7 +117,7 @@ "description": "Switch node (source of the internal high-side power MOSFET / drain of the low-side MOSFET). Connect to the output inductor and to the low side of the bootstrap capacitor. Rated -1 V to 30 V (-3.5 V for 10 ns transients).", "is_pin1": false, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }@@ -131,15 +125,15 @@ { "pad": "4", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- -2.475,+ -2.78, 1.905 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -153,7 +147,7 @@ "description": "Device ground. Must be tied to the exposed PowerPAD for proper operation and thermal performance.", "is_pin1": false, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }@@ -161,15 +155,15 @@ { "pad": "5", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- 2.475,+ 2.78, 1.905 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -183,7 +177,7 @@ "description": "Inverting input of the transconductance (gm) error amplifier. Connect to the feedback resistor divider from VOUT; the internal reference is 0.8 V (±0.8%).", "is_pin1": false, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }@@ -191,15 +185,15 @@ { "pad": "6", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- 2.475,+ 2.78, 0.635 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -213,7 +207,7 @@ "description": "Error-amplifier output and input to the output switch current comparator. Connect frequency-compensation network (R-C, optional C) to GND to set loop response.", "is_pin1": false, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }@@ -221,15 +215,15 @@ { "pad": "7", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- 2.475,+ 2.78, -0.635 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -243,7 +237,7 @@ "description": "Enable input. Float to enable (internal pull-up). Enable threshold typ 1.21 V rising / 1.17 V falling. Can be driven by a resistor divider from VIN to program a precision input UVLO.", "is_pin1": false, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }@@ -251,15 +245,15 @@ { "pad": "8", "kind": "smd",- "shape": "roundrect",+ "shape": "rect", "at": [- 2.475,+ 2.78, -1.905 ], "rot": 0.0, "size": [- 1.95,- 0.6+ 1.91,+ 0.61 ], "layers": [ "F.Cu",@@ -273,7 +267,37 @@ "description": "Switching-frequency programming pin. Connect an external resistor from RT to GND to set the switching frequency (50 kHz to 1.5 MHz; e.g. ~480 kHz with 100 kΩ).", "is_pin1": false, "source": {- "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "geometry": "TI_SO-PowerPAD-8.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "9",+ "kind": "smd",+ "shape": "rect",+ "at": [+ -0.6025,+ -0.775+ ],+ "rot": 0.0,+ "size": [+ 1.205,+ 1.55+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "9",+ "name": "PowerPAD",+ "type": "power_in",+ "description": "Exposed thermal pad on the underside of the package. Must be soldered to the PCB and connected to GND (pin 4) with multiple thermal vias to a ground plane for correct operation and thermal dissipation.",+ "is_pin1": false,+ "source": {+ "geometry": "TI_SO-PowerPAD-8.kicad_mod", "meaning": "page.json:component.pins", "correspondence": "kicad: symbol pin number == pad name" }
page.json+1−1@@ -79,7 +79,7 @@ "description": "Switching-frequency programming pin. Connect an external resistor from RT to GND to set the switching frequency (50 kHz to 1.5 MHz; e.g. ~480 kHz with 100 k\u03a9)." }, {- "number": "PAD",+ "number": "9", "name": "PowerPAD", "type": "power_in", "description": "Exposed thermal pad on the underside of the package. Must be soldered to the PCB and connected to GND (pin 4) with multiple thermal vias to a ground plane for correct operation and thermal dissipation."
tps54335addar.kicad_mod+280−300@@ -1,300 +1,280 @@-(footprint "SOIC-8_3.9x4.9mm_P1.27mm"- (version 20260206)- (generator "kicad-footprint-generator")- (layer "F.Cu")- (descr "SOIC, 8 Pin (JEDEC MS-012AA, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/soic_narrow-r/r_8.pdf)")- (tags "SOIC SO")- (property "Reference" "REF**"- (at 0 -3.4 0)- (layer "F.SilkS")- (effects- (font- (size 1 1)- (thickness 0.15)- )- )- )- (property "Value" "SOIC-8_3.9x4.9mm_P1.27mm"- (at 0 3.4 0)- (layer "F.Fab")- (effects- (font- (size 1 1)- (thickness 0.15)- )- )- )- (property "KiLib_Generator" "package/gullwing"- (at 0 0 0)- (layer "F.SilkS")- (hide yes)- (effects- (font- (size 1 1)- (thickness 0.15)- )- )- )- (attr smd)- (duplicate_pad_numbers_are_jumpers no)- (fp_line- (start -2.06 -2.56)- (end 2.06 -2.56)- (stroke- (width 0.12)- (type solid)- )- (layer "F.SilkS")- )- (fp_line- (start -2.06 -2.465)- (end -2.06 -2.56)- (stroke- (width 0.12)- (type solid)- )- (layer "F.SilkS")- )- 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"F.Cu" "F.Mask" "F.Paste") + (solder_paste_margin_ratio -0.2) + (uuid "3dea7421-f9dd-424c-a2f4-f2900864096f") + ) + (pad "9" smd rect + (at -0.6025 0.775) + (size 1.205 1.55) + (layers "F.Cu" "F.Mask" "F.Paste") + (solder_paste_margin_ratio -0.2) + (uuid "73b9759e-a7a0-4881-8dc1-dcebc919dddd") + ) + (pad "9" smd rect + (at 0.6025 -0.775) + (size 1.205 1.55) + (layers "F.Cu" "F.Mask" "F.Paste") + (solder_paste_margin_ratio -0.2) + (uuid "6bd4be4a-30c5-4811-8705-2d3173d4b547") + ) + (pad "9" smd rect + (at 0.6025 0.775) + (size 1.205 1.55) + (layers "F.Cu" "F.Mask" "F.Paste") + (solder_paste_margin_ratio -0.2) + (uuid "c56f497b-0492-4bef-93d8-3e34169b3252") + ) + (embedded_fonts no) + (model "${KICAD10_3DMODEL_DIR}/Package_SO.3dshapes/TI_SO-PowerPAD-8.step" + (offset + (xyz 0 0 0) + ) + (scale + (xyz 1 1 1) + ) + (rotate + (xyz 0 0 0) + ) + ) +)
tps54335addar.kicad_sym+4@@ -40,6 +40,10 @@ (name "VSENSE" (effects (font (size 1.27 1.27)))) (number "5" (effects (font (size 1.27 1.27)))) )+ (pin power_in line (at -17.78 -7.62 0) (length 5.08)+ (name "PowerPAD" (effects (font (size 1.27 1.27))))+ (number "9" (effects (font (size 1.27 1.27))))+ ) ) ) )
tps54335addar.lbr+35−33@@ -50,48 +50,48 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>Texas Instruments DC-DC Converters, SOP-8-EP-150mil</description> <packages>-<package name="TPS54335ADDAR">- <description>TPS54335ADDAR</description>- <smd name="1" x="-2.4750" y="1.9050" dx="1.9500" dy="0.6000" layer="1"/>- <smd name="2" x="-2.4750" y="0.6350" dx="1.9500" dy="0.6000" layer="1"/>- <smd name="3" x="-2.4750" y="-0.6350" dx="1.9500" dy="0.6000" layer="1"/>- <smd name="4" x="-2.4750" y="-1.9050" dx="1.9500" dy="0.6000" layer="1"/>- <smd name="5" x="2.4750" y="-1.9050" dx="1.9500" dy="0.6000" layer="1"/>- <smd name="6" x="2.4750" y="-0.6350" dx="1.9500" dy="0.6000" layer="1"/>- <smd name="7" x="2.4750" y="0.6350" dx="1.9500" dy="0.6000" layer="1"/>- <smd name="8" x="2.4750" y="1.9050" dx="1.9500" dy="0.6000" layer="1"/>+<package name="TI_SO-PowerPAD-8">+ <description>12 pads, 7.5 x 4.4 mm. 8-Lead Plastic PSOP, Exposed Die Pad</description>+ <smd name="1" x="-2.7800" y="1.9050" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="2" x="-2.7800" y="0.6350" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="3" x="-2.7800" y="-0.6350" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="4" x="-2.7800" y="-1.9050" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="5" x="2.7800" y="-1.9050" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="6" x="2.7800" y="-0.6350" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="7" x="2.7800" y="0.6350" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="8" x="2.7800" y="1.9050" dx="1.9100" dy="0.6100" layer="1"/>+ <smd name="9" x="-0.6025" y="0.7750" dx="1.2050" dy="1.5500" layer="1"/>+ <smd name="9@2" x="-0.6025" y="-0.7750" dx="1.2050" dy="1.5500" layer="1"/>+ <smd name="9@3" x="0.6025" y="0.7750" dx="1.2050" dy="1.5500" layer="1"/>+ <smd name="9@4" x="0.6025" y="-0.7750" dx="1.2050" dy="1.5500" layer="1"/> <polygon width="0.1200" layer="21">- <vertex x="-2.6000" y="2.4700"/>- <vertex x="-2.8400" y="2.8000"/>- <vertex x="-2.3600" y="2.8000"/>+ <vertex x="-2.5000" y="2.5000"/>+ <vertex x="-2.7400" y="2.8300"/>+ <vertex x="-2.2600" y="2.8300"/>+ <vertex x="-2.5000" y="2.5000"/> </polygon>- <polygon width="0.1000" layer="51">- <vertex x="-0.9750" y="2.4500"/>- <vertex x="1.9500" y="2.4500"/>- <vertex x="1.9500" y="-2.4500"/>- <vertex x="-1.9500" y="-2.4500"/>- <vertex x="-1.9500" y="1.4750"/>- </polygon>- <wire x1="-2.0600" y1="2.5600" x2="2.0600" y2="2.5600" width="0.1200" layer="21"/>- <wire x1="-2.0600" y1="2.4650" x2="-2.0600" y2="2.5600" width="0.1200" layer="21"/>- <wire x1="-2.0600" y1="-2.5600" x2="-2.0600" y2="-2.4650" width="0.1200" layer="21"/>- <wire x1="2.0600" y1="2.5600" x2="2.0600" y2="2.4650" width="0.1200" layer="21"/>- <wire x1="2.0600" y1="-2.4650" x2="2.0600" y2="-2.5600" width="0.1200" layer="21"/>- <wire x1="2.0600" y1="-2.5600" x2="-2.0600" y2="-2.5600" width="0.1200" layer="21"/>- <text x="0" y="3.480" size="1.27" layer="25" align="bottom-center">>NAME</text>- <text x="0" y="-3.480" size="1.27" layer="27" align="top-center">>VALUE</text>+ <wire x1="-2.0750" y1="2.5750" x2="2.0750" y2="2.5750" width="0.1500" layer="21"/>+ <wire x1="-2.0750" y1="-2.5750" x2="2.0750" y2="-2.5750" width="0.1500" layer="21"/>+ <wire x1="-1.9500" y1="1.4500" x2="-0.9500" y2="2.4500" width="0.1500" layer="51"/>+ <wire x1="-1.9500" y1="-2.4500" x2="-1.9500" y2="1.4500" width="0.1500" layer="51"/>+ <wire x1="-0.9500" y1="2.4500" x2="1.9500" y2="2.4500" width="0.1500" layer="51"/>+ <wire x1="1.9500" y1="2.4500" x2="1.9500" y2="-2.4500" width="0.1500" layer="51"/>+ <wire x1="1.9500" y1="-2.4500" x2="-1.9500" y2="-2.4500" width="0.1500" layer="51"/>+ <text x="0" y="3.460" size="1.27" layer="25" align="bottom-center">>NAME</text>+ <text x="0" y="-3.460" size="1.27" layer="27" align="top-center">>VALUE</text> </package> </packages> <symbols> <symbol name="TPS54335ADDAR">+ <description>Texas Instruments DC-DC Converters, SOP-8-EP-150mil</description> <wire x1="-12.7" y1="5.08" x2="12.7" y2="5.08" width="0.254" layer="94"/> <wire x1="12.7" y1="5.08" x2="12.7" y2="-7.62" width="0.254" layer="94"/> <wire x1="12.7" y1="-7.62" x2="-12.7" y2="-7.62" width="0.254" layer="94"/> <wire x1="-12.7" y1="-7.62" x2="-12.7" y2="5.08" width="0.254" layer="94"/>- <text x="0" y="7.62" size="1.27" layer="95" align="bottom-center">>NAME</text>- <text x="0" y="-10.16" size="1.27" layer="96" align="top-center">>VALUE</text>+ <text x="0.0000" y="7.6200" size="1.27" layer="95" align="center">>NAME</text>+ <text x="0.0000" y="-10.1600" size="1.27" layer="96" align="center">>VALUE</text> <pin name="BOOT" x="-17.78" y="2.54" length="middle" direction="out"/> <pin name="VIN" x="-17.78" y="0" length="middle" direction="pwr"/> <pin name="PH" x="-17.78" y="-2.54" length="middle" direction="out"/>@@ -100,16 +100,17 @@ <pin name="EN" x="17.78" y="0" length="middle" direction="in" rot="R180"/> <pin name="COMP" x="17.78" y="-2.54" length="middle" direction="out" rot="R180"/> <pin name="VSENSE" x="17.78" y="-5.08" length="middle" direction="in" rot="R180"/>+ <pin name="PowerPAD" x="-17.78" y="-7.62" length="middle" direction="pwr"/> </symbol> </symbols> <devicesets> <deviceset name="TPS54335ADDAR" prefix="U">- <description></description>+ <description>Texas Instruments DC-DC Converters, SOP-8-EP-150mil</description> <gates> <gate name="G$1" symbol="TPS54335ADDAR" x="0" y="0"/> </gates> <devices>- <device name="" package="TPS54335ADDAR">+ <device name="" package="TI_SO-PowerPAD-8"> <connects> <connect gate="G$1" pin="BOOT" pad="1"/> <connect gate="G$1" pin="VIN" pad="2"/>@@ -119,6 +120,7 @@ <connect gate="G$1" pin="EN" pad="7"/> <connect gate="G$1" pin="COMP" pad="6"/> <connect gate="G$1" pin="VSENSE" pad="5"/>+ <connect gate="G$1" pin="PowerPAD" pad="9 9@2 9@3 9@4"/> </connects> <technologies> <technology name="">