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Contents

README

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π140U30

2Pai Semi · Digital Isolators · SOIC-16

π140U30 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 range 3.0 V to 5.5 V.
2 GND1 power_in Ground reference for isolator side 1.
3 VIA input Logic input A on side 1.
4 VIB input Logic input B on side 1.
5 VIC input Logic input C on side 1.
6 VID input Logic input D on side 1.
7 NC unconnected No connect.
8 GND1 power_in Ground reference for isolator side 1.
9 GND2 power_in Ground reference for isolator side 2.
10 NC unconnected No connect for π140U3X (this pin is the output enable EN2 only on π140U6X).
11 VOD output Logic output D on side 2.
12 VOC output Logic output C on side 2.
13 VOB output Logic output B on side 2.
14 VOA output Logic output A on side 2.
15 GND2 power_in Ground reference for isolator side 2.
16 VDD2 power_in Supply voltage for isolator side 2, operating range 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 Voltage (absolute max) VDDx -0.5 7 V VDD1-GND1, VDD2-GND2 3
Input Voltage VIA, VIB -0.5 V -0.5 V to VDDx + 0.5 V 3
Average Output Current per Pin IO1, IO2 -10 10 mA Side 1 / Side 2 output current 3
Common-Mode Transients Immunity (abs max) -300 300 kV/µs 3
Storage Temperature TST -65 150 °C 3
Ambient Operating Temperature (abs max) TA -40 125 °C 3
Supply Voltage VDDx 3 5.5 V 3
Data Rate 0 150 Kbps 4
Junction Temperature TJ -40 150 °C 4
Ambient Operating Temperature TA -40 125 °C 4
Propagation Delay Time tpHL, tpLH 3 4.5 us 5VDC supply 5
Propagation Delay Time tpHL, tpLH 3.2 4.8 us 3.3VDC supply 5
Pulse Width Distortion PWD 0 0.02 0.2 us @ 5VDC supply, /tpHL - tpLH/ 5
Minimum Pulse Width PW 6.5 us Within pulse width distortion (PWD) limit 4
Maximum Data Rate 150 Kbps Within PWD limit 4
Input Current per Signal Channel IIN -10 0.5 10 µA 0 V ≤ Signal voltage ≤ VDDx 6
VDDx Undervoltage Rising Threshold VDDxUV+ 2.45 2.75 2.95 V 6
VDDx Undervoltage Falling Threshold VDDxUV− 2.3 2.6 2.75 V 6
Low Level Output Voltage VOL 0 0.1 V 20 µA output current 6
Low Level Output Voltage VOL 0.1 0.2 V 2 mA output current 6
IDD1 Quiescent Current IDD1 (Q) 0.31 0.38 0.5 mA 5VDC, VI=0V for π14xUx1 6
IDD2 Quiescent Current IDD2 (Q) 1.42 1.77 2.3 mA 5VDC, VI=5V for π14xUx0 6
IDD1 Quiescent Current IDD1 (Q) 0.12 0.15 0.2 mA 5VDC, VI=5V for π14xUx1 6
IDD2 Quiescent Current IDD2 (Q) 1.53 1.92 2.49 mA 5VDC, VI=0V for π14xUx0 6
IDD1 Quiescent Current IDD1 (Q) 0.23 0.28 0.37 mA 3.3VDC, VI=0V for π14xUx1 6
IDD2 Quiescent Current IDD2 (Q) 1.39 1.74 2.26 mA 3.3VDC, VI=3.3V for π14xUx0 6
IDD2 Quiescent Current IDD2 (Q) 1.52 1.9 2.47 mA 3.3VDC, VI=0V for π14xUx0 6
Total Supply Current IDD1 (2 Kbps) IDD1 0.26 0.39 mA 5VDC, 2 Kbps, CL = 0 pF 7
Total Supply Current IDD2 (2 Kbps) IDD2 1.84 2.76 mA 5VDC, 2 Kbps, CL = 0 pF 7
Total Supply Current IDD1 (150 Kbps) IDD1 0.26 0.39 mA 5VDC, 150 Kbps, CL = 0 pF 7
Total Supply Current IDD2 (150 Kbps) IDD2 1.88 2.82 mA 5VDC, 150 Kbps, CL = 0 pF 7
Total Supply Current IDD1 (150 Kbps) IDD1 0.2 0.3 mA 3.3VDC, 150 Kbps, CL = 0 pF 7
Total Supply Current IDD2 (150 Kbps) IDD2 1.84 2.76 mA 3.3VDC, 150 Kbps, CL = 0 pF 7
Minimum External Air Gap (Clearance) L (CLR) 4 mm Input terminals to output terminals, shortest distance through air 8
Minimum External Tracking (Creepage) L (CRP) 4 mm Input terminals to output terminals, shortest distance path along body 8
Minimum Internal Gap 11 µm Insulation distance through insulation 8
Rated Dielectric Insulation Voltage 3000 V rms 1-minute duration 8
Maximum repetitive peak isolation voltage VIORM 565 V peak 9
Output Signal Rise/Fall Time tr/tf 1.5 ns See Figure 10. 5
Common-Mode Transient Immunity CMTI 250 kV/µs VIN = VDDx or 0V, VCM = 1000 V 5
ESD (HBM) ESD -8 8 kV 5
VDDx Hysteresis VDDxUVH 0.15 V 6
Junction to Ambient Thermal Resistance θJA 100 °C/W Thermocouple located at center of package underside 8
Capacitance (Input to Output) CIO 1.5 pF @1MHz 8
Input Capacitance CI 3 pF @1MHz 8
Maximum Power Dissipation at 25°C PS 1.67 W Safety limiting value 9
Maximum Safety Temperature TS 150 °C Safety limiting value 9

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 0884-11, each π140U3x/π141U3x/π142U3x is proof tested by applying an insulation test voltage ≥ 848 V peak for 1 sec (partial discharge detection limit = 5 pC); each π140 9

CAD (KiCad official)

  • Symbol: π140U30
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: 140u30-etched.step / 140u30-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 140u30.step / 140u30.glb are the bare package body.

Provenance

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

  • Datasheet: 2Pai Semi datasheet (19 pp, sha256 f608095d908800e7, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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