component
SI8620AB-B-ISR
Public Unreviewedby Ray
Skyworks Solutions Digital Isolators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads when scrolled away or the tab is hidden.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads when scrolled away or the tab is hidden.
PCB Footprint
Open full view ↗Loads on click. Unloads when scrolled away or the tab is hidden.
Datasheet
Open in new tab ↗Loads on click. Unloads when scrolled away or the tab is hidden.
README
markdownSI8620AB-B-ISR
Skyworks Solutions · Digital Isolators · SOIC-8
SI8620AB-B-ISR from Skyworks Solutions, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD1 | power_in | Side 1 power supply. Operating range 2.5 V to 5.5 V; requires local bypass capacitor referenced to GND1. |
| 2 | A1 | input | Side 1 channel-1 digital input (Schmitt-trigger). Signal is transmitted across the isolation barrier and appears at output B1 on side 2. On Si8620AB both A-side pins are inputs (2 inputs on VDD1 side, 0 on VDD2 side). |
| 3 | A2 | input | Side 1 channel-2 digital input (Schmitt-trigger). Signal is transmitted across the isolation barrier and appears at output B2 on side 2. |
| 4 | GND1 | power_in | Side 1 ground reference. Return for VDD1 and A1/A2 signals; isolated from GND2. |
| 5 | GND2 | power_in | Side 2 ground reference. Return for VDD2 and B1/B2 signals; galvanically isolated from GND1. |
| 6 | B2 | output | Side 2 channel-2 digital output driver. Follows the state received across the isolation barrier from input A2. Default output state is Low. |
| 7 | B1 | output | Side 2 channel-1 digital output driver. Follows the state received across the isolation barrier from input A1. Default output state is Low. |
| 8 | VDD2 | power_in | Side 2 power supply. Operating range 2.5 V to 5.5 V, independent of VDD1; requires local bypass capacitor referenced to GND2. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Skyworks Solutions |
| Package | SOIC-8 |
| Category | Signal Isolation Devices |
| Pins | 8 |
Ordering variants
Same part, different packaging or reel option.
SI8620AB-B-ISRSi8620AB-B-ISRSi8620AB-ASSi8620AB-ASR
CAD (KiCad official)
- Symbol:
SI8620AB-B-ISR - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Skyworks Solutions datasheet (None pp, sha256
00fa9de0a782df1c, retrieved 2026-08-17, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).