component

π142U31

Public Made by Adom

by adom

2Pai Semi Digital Isolators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinterface icsπ142u31factory-2.0.0extractor-text

Verified π142U31

by Ray · last 4 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

4 Nov 2026RayPublished by the parts factory: tier lcsc, 16 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: π142U31 · SOIC-16 · 16 pins
  • ✓copper: 16 copper pads, none touching another net
  • ✓datasheet: all 16 pin names found in the 17-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: SOIC-16_3.9x9.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-7nkx7g40/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✓ 142u31.kicad_sym✓ 142u31.kicad_mod✓ 142u31.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 5d ago
viewers 142u31: viewers · Ray 5d ago
142u31-etched.glb Publish 0.1.0 · Ray 5d ago
142u31-etched.step 142u31: factory component page (tier=lcsc) · Ray 5d ago
142u31-hero.glb 142u31: hero GLB from the etched model (keeps the MPN mark) · Ray 5d ago
142u31-hero.overlay.json Publish 0.1.0 · Ray 5d ago
142u31.glb Publish 0.1.0 · Ray 5d ago
142u31.kicad_mod Publish 0.1.0 · Ray 5d ago
142u31.kicad_sym Publish 0.1.0 · Ray 5d ago
142u31.lbr Publish 0.1.0 · Ray 5d ago
142u31.step Publish 0.1.0 · Ray 5d ago
package.json Publish 0.1.0 · Ray 5d ago
page.json Set visibility: public · Ray 5d ago
README.md Publish 0.1.0 · Ray 5d ago
verification.json Verified: Published by the parts factory: tier lcsc, 16 pins · Ray 5d ago

π142U31

2Pai Semi · Digital Isolators · SOIC-16

π142U31 from 2Pai Semi, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD1 power_in Supply voltage for isolator side 1, operating from 3.0 V to 5.5 V.
2 GND1 power_in Ground 1, the ground reference for isolator side 1.
3 VIA input Logic input A, with VIH minimum of 0.7VDDx and VIL maximum of 0.3VDDx.
4 VIB input Logic input B, with VIH minimum of 0.7VDDx and VIL maximum of 0.3VDDx.
5 VOC output Logic output C, rated for a high-level output current of -6 mA and a low-level output current of 6 mA.
6 VOD output Logic output D, rated for a high-level output current of -6 mA and a low-level output current of 6 mA.
7 NC/EN1 unconnected No connect for the π142U3X variant; the datasheet gives EN1 enable function only for the π142U6X variant.
8 GND1 power_in Ground 1, the ground reference for isolator side 1.
9 GND2 power_in Ground 2, the ground reference for isolator side 2.
10 NC/EN2 unconnected No connect for the π142U3X variant; the datasheet gives EN2 enable function only for the π142U6X variant.
11 VID input Logic input D, with VIH minimum of 0.7VDDx and VIL maximum of 0.3VDDx.
12 VIC input Logic input C, with VIH minimum of 0.7VDDx and VIL maximum of 0.3VDDx.
13 VOB output Logic output B, rated for a high-level output current of -6 mA and a low-level output current of 6 mA.
14 VOA output Logic output A, rated for a high-level output current of -6 mA and a low-level output current of 6 mA.
15 GND2 power_in Ground 2, the ground reference for isolator side 2.
16 VDD2 power_in Supply voltage for isolator side 2, operating from 3.0 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer 2Pai Semi
Package SOIC-16
Category Interface ICs
Pins 16

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltages (VDD1-GND1, VDD2-GND2) -0.5 7 V 3
Input Voltages (VIA, VIB) -0.5 V Upper limit printed as VDDx + 0.5 V 3
Output Voltages (VOA, VOB) -0.5 V Upper limit printed as VDDx + 0.5 V 3
Average Output Current per Pin Side 1 (IO1) IO1 -10 10 mA 3
Average Output Current per Pin Side 2 (IO2) IO2 -10 10 mA 3
Common-Mode Transients Immunity -150 150 kV/µs 3
Storage Temperature Range TST -65 150 °C 3
Ambient Operating Temperature Range TA -40 125 °C 3
Supply Voltage VDDx 3 5.5 V 4
Low Level Input Signal Voltage VIL 0 V Upper limit printed as 0.3*VDDx 4
High Level Output Current IOH -6 mA 4
Low Level Output Current IOL 6 mA 4
Maximum Data Rate 0 150 Kbps 4
Junction Temperature TJ -40 150 °C 4
Ambient Operating Temperature TA -40 125 °C 4
Minimum Pulse Width PW 6.5 us Within pulse width distortion (PWD) limit 5
Maximum Data Rate 150 Kbps Within PWD limit 5
Propagation Delay Time tpHL, tpLH 3 4.5 us 50% input to 50% output signal @ 5VDC supply 5
Propagation Delay Time tpHL, tpLH 3.2 4.8 us 50% input to 50% output signal @ 3.3VDC supply 5
Pulse Width Distortion PWD 0 0.02 0.2 us /tpHL - tpLH/ @ 5VDC supply 5
Part to Part Propagation Delay Skew tPSK 0.3 us Max difference between any two devices at same temperature, load and voltage @ 5VDC supply 5
Channel to Channel Propagation Delay Skew tCSK 0 0.2 us @ 5VDC supply 5
Output Signal Rise/Fall Time tr/tf 1.5 ns 10% to 90% signal terminated 50 5
Common-Mode Transient Immunity CMTI 100 150 kV/µs VIN = VDDx or 0V, VCM = 1000 V 5
ESD (HBM - Human Body Model) ESD -8 8 kV All pins 5
Low Level Output Voltage VOL 0 0.1 V 20 µA output current 5
Low Level Output Voltage VOL 0.1 0.2 V 2 mA output current 5
Input Current per Signal Channel IIN -10 0.5 10 µA 0 V ≤ Signal voltage ≤ VDDX 5
VDDx Undervoltage Rising Threshold VDDxUV+ 2.45 2.65 2.9 V 6
VDDx Undervoltage Falling Threshold VDDxUV- 2.3 2.5 2.75 V 6
VDDx Hysteresis VDDxUVH 0.15 V 6
Quiescent Supply Current IDD1 (Q), π142Uxx IDD1 (Q) 862 1077 1400 µA @ 5VDC supply, 0V input signal 6
Quiescent Supply Current IDD2 (Q), π142Uxx IDD2 (Q) 862 1078 1401 µA @ 5VDC supply, 0V input signal 6
Quiescent Supply Current IDD1 (Q), π142Uxx IDD1 (Q) 828 1035 1346 µA @ 5VDC supply, 5V input signal 6
Quiescent Supply Current IDD2 (Q), π142Uxx IDD2 (Q) 829 1036 1347 µA @ 5VDC supply, 5V input signal 6
Quiescent Supply Current IDD1 (Q), π142Uxx IDD1 (Q) 809 1011 1314 µA @ 3.3VDC supply, 0V input signal 6
Quiescent Supply Current IDD2 (Q), π142Uxx IDD2 (Q) 810 1012 1316 µA @ 3.3VDC supply, 0V input signal 6
Quiescent Supply Current IDD1 (Q), π142Uxx IDD1 (Q) 818 1023 1330 µA @ 3.3VDC supply, 3.3V input signal 6
Quiescent Supply Current IDD2 (Q), π142Uxx IDD2 (Q) 819 1024 1331 µA @ 3.3VDC supply, 3.3V input signal 6
Supply Current IDD1 @5VDC, 2 Kbps, π142Uxx IDD1 1.05 1.58 mA @ 5VDC, CL = 0 pF, 2 Kbps 7
Supply Current IDD1 @5VDC, 50 Kbps, π142Uxx IDD1 1.06 1.59 mA @ 5VDC, CL = 0 pF, 50 Kbps 7
Supply Current IDD1 @5VDC, 150 Kbps, π142Uxx IDD1 1.08 1.62 mA @ 5VDC, CL = 0 pF, 150 Kbps 7
Supply Current IDD2 @5VDC, 2 Kbps, π142Uxx IDD2 1.05 1.58 mA @ 5VDC, CL = 0 pF, 2 Kbps 7
Supply Current IDD2 @5VDC, 50 Kbps, π142Uxx IDD2 1.06 1.59 mA @ 5VDC, CL = 0 pF, 50 Kbps 7
Supply Current IDD2 @5VDC, 150 Kbps, π142Uxx IDD2 1.08 1.62 mA @ 5VDC, CL = 0 pF, 150 Kbps 7
Supply Current IDD1 @3.3VDC, 2 Kbps, π142Uxx IDD1 1.01 1.52 mA @ 3.3VDC, CL = 0 pF, 2 Kbps 7
Supply Current IDD1 @3.3VDC, 50 Kbps, π142Uxx IDD1 1.02 1.53 mA @ 3.3VDC, CL = 0 pF, 50 Kbps 7
Supply Current IDD1 @3.3VDC, 150 Kbps, π142Uxx IDD1 1.02 1.53 mA @ 3.3VDC, CL = 0 pF, 150 Kbps 7
Supply Current IDD2 @3.3VDC, 2 Kbps, π142Uxx IDD2 1.01 1.52 mA @ 3.3VDC, CL = 0 pF, 2 Kbps 7
Supply Current IDD2 @3.3VDC, 50 Kbps, π142Uxx IDD2 1.02 1.53 mA @ 3.3VDC, CL = 0 pF, 50 Kbps 7
Supply Current IDD2 @3.3VDC, 150 Kbps, π142Uxx IDD2 1.02 1.53 mA @ 3.3VDC, CL = 0 pF, 150 Kbps 7
Rated Dielectric Insulation Voltage (3 kV part) 3000 V rms 1-minute duration 7
Minimum External Air Gap (Clearance) L(CLR), 3 kV part L(CLR) 4 mm Measured from input terminals to output terminals, shortest distance through air 7
Minimum External Tracking (Creepage) L(CRP), 3 kV part L(CRP) 4 mm Measured from input terminals to output terminals, shortest distance path along body 7
Minimum Internal Gap (Internal Clearance), 3 kV part 11 µm Insulation distance through insulation 7
Tracking Resistance (Comparative Tracking Index), 3 kV part CTI 400 V DIN IEC 112/VDE 0303 Part 1; printed as >400 7
IC Junction to Ambient Thermal Resistance (3 kV part) θJA 100 °C/W Thermocouple located at center of package underside 7

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing pC In accordance with DIN V VDE V 0884-10, each π140U3x/π141U3x/π142U3x is proof tested by applying an insulation test voltage ≥ 1326 V peak for 1 sec (partial discharge detection limit = 5 pC); each π14 8

CAD (KiCad official)

  • Symbol: π142U31
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: 142u31-etched.step / 142u31-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 142u31.step / 142u31.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: 2Pai Semi datasheet (17 pp, sha256 f74330c0b7db7a34, retrieved 2026-11-04, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF