component

PAC1944T-E

Public Made by Adom

by adom

Microchip Tech Supervisor And Reset ICs, WLCSP-16(2.2x2.2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)pac1944t-efactory-2.0.0extractor-text

Changed since verified PAC1944T-E

by Ray · last 2 Nov 2026 · 1 record · files changed since
SymbolFootprint3D modelPins

Verification log 1 record

2 Nov 2026RayPublished by the parts factory: tier mfr, 16 pinschanged since
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: PAC1944T-E · WLCSP-16(2.2x2.2) · 16 pins
  • ✓copper: 16 copper pads, none touching another net
  • ✓datasheet: all 16 pin names found in the 96-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: WLCSP-16_2.225x2.17mm_Layout4x4_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-mx8dc3yu/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 16 pins = 16 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 16 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files! pac1944t-e.kicad_sym✓ pac1944t-e.kicad_mod✓ pac1944t-e.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
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← Commit history

pac1944t-e: symbol repaired (body fitted to the names)

Ray ·5023eb2922 ·2d ago ·parent 527d5bb
2 files changed +49−40
pac1944t-e.kicad_sym+17−17pac1944t-e.lbr+32−23
pac1944t-e.kicad_sym+17−17
@@ -4,71 +4,71 @@     (property "Value" "PAC1944T-E" (at 0 -15.24 0) (effects (font (size 1.27 1.27))))     (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))     (symbol "PAC1944T-E_0_1"-    (rectangle (start -12.70 10.16) (end 12.70 -12.70)+    (rectangle (start -15.24 10.16) (end 15.24 -12.70)       (stroke (width 0.254) (type default)) (fill (type background)))     )     (symbol "PAC1944T-E_1_1"-    (pin passive line (at -17.78 7.62 0) (length 5.08)+    (pin passive line (at -20.32 7.62 0) (length 5.08)       (name "SENSE2+" (effects (font (size 1.27 1.27))))       (number "A1" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at -17.78 5.08 0) (length 5.08)+    (pin passive line (at -20.32 5.08 0) (length 5.08)       (name "SENSE1-" (effects (font (size 1.27 1.27))))       (number "A2" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at -17.78 2.54 0) (length 5.08)+    (pin passive line (at -20.32 2.54 0) (length 5.08)       (name "SENSE1+" (effects (font (size 1.27 1.27))))       (number "A3" (effects (font (size 1.27 1.27))))     )-    (pin power_in line (at -17.78 0.00 0) (length 5.08)+    (pin power_in line (at -20.32 0.00 0) (length 5.08)       (name "VDD" (effects (font (size 1.27 1.27))))       (number "A4" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at -17.78 -2.54 0) (length 5.08)+    (pin passive line (at -20.32 -2.54 0) (length 5.08)       (name "SENSE2-" (effects (font (size 1.27 1.27))))       (number "B1" (effects (font (size 1.27 1.27))))     )-    (pin bidirectional line (at -17.78 -5.08 0) (length 5.08)+    (pin bidirectional line (at -20.32 -5.08 0) (length 5.08)       (name "GPIO/ALERT2" (effects (font (size 1.27 1.27))))       (number "B2" (effects (font (size 1.27 1.27))))     )-    (pin input line (at -17.78 -7.62 0) (length 5.08)+    (pin input line (at -20.32 -7.62 0) (length 5.08)       (name "PWRDN" (effects (font (size 1.27 1.27))))       (number "B3" (effects (font (size 1.27 1.27))))     )-    (pin power_in line (at -17.78 -10.16 0) (length 5.08)+    (pin power_in line (at -20.32 -10.16 0) (length 5.08)       (name "GND" (effects (font (size 1.27 1.27))))       (number "B4" (effects (font (size 1.27 1.27))))     )-    (pin bidirectional line (at 17.78 7.62 180) (length 5.08)+    (pin bidirectional line (at 20.32 7.62 180) (length 5.08)       (name "SDA" (effects (font (size 1.27 1.27))))       (number "D4" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at 17.78 5.08 180) (length 5.08)+    (pin passive line (at 20.32 5.08 180) (length 5.08)       (name "SENSE4+" (effects (font (size 1.27 1.27))))       (number "D3" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at 17.78 2.54 180) (length 5.08)+    (pin passive line (at 20.32 2.54 180) (length 5.08)       (name "SENSE4-" (effects (font (size 1.27 1.27))))       (number "D2" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at 17.78 0.00 180) (length 5.08)+    (pin passive line (at 20.32 0.00 180) (length 5.08)       (name "SENSE3+" (effects (font (size 1.27 1.27))))       (number "D1" (effects (font (size 1.27 1.27))))     )-    (pin input line (at 17.78 -2.54 180) (length 5.08)+    (pin input line (at 20.32 -2.54 180) (length 5.08)       (name "SCL" (effects (font (size 1.27 1.27))))       (number "C4" (effects (font (size 1.27 1.27))))     )-    (pin bidirectional line (at 17.78 -5.08 180) (length 5.08)+    (pin bidirectional line (at 20.32 -5.08 180) (length 5.08)       (name "SLOW/ALERT1" (effects (font (size 1.27 1.27))))       (number "C3" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at 17.78 -7.62 180) (length 5.08)+    (pin passive line (at 20.32 -7.62 180) (length 5.08)       (name "ADDRSEL" (effects (font (size 1.27 1.27))))       (number "C2" (effects (font (size 1.27 1.27))))     )-    (pin passive line (at 17.78 -10.16 180) (length 5.08)+    (pin passive line (at 20.32 -10.16 180) (length 5.08)       (name "SENSE3-" (effects (font (size 1.27 1.27))))       (number "C1" (effects (font (size 1.27 1.27))))     )
pac1944t-e.lbr+32−23
@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>Microchip Tech Supervisor And Reset ICs, WLCSP-16(2.2x2.2). Pinout cross-checked by two models against the datasheet</description> <packages> <package name="WLCSP-16_2.225x2.17mm_Layout4x4_P0.5mm">   <description>WLCSP-16, 2.225 x 2.17 mm, 0.5 mm pitch. WLCSP-16 2.225x2.17mm, 2.225x2.17mm, 16 Ball, 4x4 Layout, 0.5mm Pitch</description>@@ -90,33 +90,34 @@ </packages> <symbols> <symbol name="PAC1944T-E">-  <wire x1="-12.7" y1="10.16" x2="12.7" y2="10.16" width="0.254" layer="94"/>-  <wire x1="12.7" y1="10.16" x2="12.7" y2="-12.7" width="0.254" layer="94"/>-  <wire x1="12.7" y1="-12.7" x2="-12.7" y2="-12.7" width="0.254" layer="94"/>-  <wire x1="-12.7" y1="-12.7" x2="-12.7" y2="10.16" width="0.254" layer="94"/>+  <description>Microchip Tech Supervisor And Reset ICs, WLCSP-16(2.2x2.2). Pinout cross-checked by two models against the datasheet</description>+  <wire x1="-15.24" y1="10.16" x2="15.24" y2="10.16" width="0.254" layer="94"/>+  <wire x1="15.24" y1="10.16" x2="15.24" y2="-12.7" width="0.254" layer="94"/>+  <wire x1="15.24" y1="-12.7" x2="-15.24" y2="-12.7" width="0.254" layer="94"/>+  <wire x1="-15.24" y1="-12.7" x2="-15.24" y2="10.16" width="0.254" layer="94"/>   <text x="0.0000" y="12.7000" size="1.27" layer="95" align="center">&gt;NAME</text>   <text x="0.0000" y="-15.2400" size="1.27" layer="96" align="center">&gt;VALUE</text>-  <pin name="SENSE2+" x="-17.78" y="7.62" length="middle" direction="pas"/>-  <pin name="SENSE1-" x="-17.78" y="5.08" length="middle" direction="pas"/>-  <pin name="SENSE1+" x="-17.78" y="2.54" length="middle" direction="pas"/>-  <pin name="VDD" x="-17.78" y="0" length="middle" direction="pwr"/>-  <pin name="SENSE2-" x="-17.78" y="-2.54" length="middle" direction="pas"/>-  <pin name="GPIO/ALERT2" x="-17.78" y="-5.08" length="middle" direction="io"/>-  <pin name="PWRDN" x="-17.78" y="-7.62" length="middle" direction="in"/>-  <pin name="GND" x="-17.78" y="-10.16" length="middle" direction="pwr"/>-  <pin name="SDA" x="17.78" y="7.62" length="middle" direction="io" rot="R180"/>-  <pin name="SENSE4+" x="17.78" y="5.08" length="middle" direction="pas" rot="R180"/>-  <pin name="SENSE4-" x="17.78" y="2.54" length="middle" direction="pas" rot="R180"/>-  <pin name="SENSE3+" x="17.78" y="0" length="middle" direction="pas" rot="R180"/>-  <pin name="SCL" x="17.78" y="-2.54" length="middle" direction="in" rot="R180"/>-  <pin name="SLOW/ALERT1" x="17.78" y="-5.08" length="middle" direction="io" rot="R180"/>-  <pin name="ADDRSEL" x="17.78" y="-7.62" length="middle" direction="pas" rot="R180"/>-  <pin name="SENSE3-" x="17.78" y="-10.16" length="middle" direction="pas" rot="R180"/>+  <pin name="SENSE2+" x="-20.32" y="7.62" length="middle" direction="pas"/>+  <pin name="SENSE1-" x="-20.32" y="5.08" length="middle" direction="pas"/>+  <pin name="SENSE1+" x="-20.32" y="2.54" length="middle" direction="pas"/>+  <pin name="VDD" x="-20.32" y="0" length="middle" direction="pwr"/>+  <pin name="SENSE2-" x="-20.32" y="-2.54" length="middle" direction="pas"/>+  <pin name="GPIO/ALERT2" x="-20.32" y="-5.08" length="middle" direction="io"/>+  <pin name="PWRDN" x="-20.32" y="-7.62" length="middle" direction="in"/>+  <pin name="GND" x="-20.32" y="-10.16" length="middle" direction="pwr"/>+  <pin name="SDA" x="20.32" y="7.62" length="middle" direction="io" rot="R180"/>+  <pin name="SENSE4+" x="20.32" y="5.08" length="middle" direction="pas" rot="R180"/>+  <pin name="SENSE4-" x="20.32" y="2.54" length="middle" direction="pas" rot="R180"/>+  <pin name="SENSE3+" x="20.32" y="0" length="middle" direction="pas" rot="R180"/>+  <pin name="SCL" x="20.32" y="-2.54" length="middle" direction="in" rot="R180"/>+  <pin name="SLOW/ALERT1" x="20.32" y="-5.08" length="middle" direction="io" rot="R180"/>+  <pin name="ADDRSEL" x="20.32" y="-7.62" length="middle" direction="pas" rot="R180"/>+  <pin name="SENSE3-" x="20.32" y="-10.16" length="middle" direction="pas" rot="R180"/> </symbol> </symbols> <devicesets> <deviceset name="PAC1944T-E" prefix="U">-  <description></description>+  <description>Microchip Tech Supervisor And Reset ICs, WLCSP-16(2.2x2.2). Pinout cross-checked by two models against the datasheet</description>   <gates>     <gate name="G$1" symbol="PAC1944T-E" x="0" y="0"/>   </gates>@@ -140,7 +141,15 @@         <connect gate="G$1" pin="ADDRSEL" pad="C2"/>         <connect gate="G$1" pin="SENSE3-" pad="C1"/>       </connects>-      <technologies><technology name=""/></technologies>+      <technologies>+        <technology name="">+          <attribute name="MPN" value="PAC1944T-E" constant="no"/>+          <attribute name="MANUFACTURER" value="Microchip Tech" constant="no"/>+          <attribute name="DATASHEET" value="https://ww1.microchip.com/downloads/aemDocuments/documents/MSLD/ProductDocuments/DataSheets/PAC194X-Data-Sheet-20006543A.pdf" constant="no"/>+          <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/pac1944t-e" constant="no"/>+          <attribute name="LCSC_PN" value="C5226659" constant="no"/>+        </technology>+      </technologies>     </device>   </devices> </deviceset>