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SI8233BD-D-ISR
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SKYWORKS SILICON LABS Digital Isolators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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SI8233BD-D-ISR
SKYWORKS SILICON LABS · Digital Isolators · SOIC-16-300mil
SI8233BD-D-ISR from SKYWORKS SILICON LABS, in a SOIC-16-300mil. 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 | VIA | input | Non-inverting logic input terminal for Driver A (TTL-compatible, >400 mV hysteresis). |
| 2 | VIB | input | Non-inverting logic input terminal for Driver B (TTL-compatible, >400 mV hysteresis). |
| 3 | VDDI | power_in | Input-side power supply terminal; connect to a source of 4.5 to 5.5 V. |
| 4 | GNDI | power_in | Input-side ground terminal. |
| 5 | DISABLE | input | When high, unconditionally drives outputs VOA and VOB LOW; it should be tied to external logic level to avoid erroneous operation from capacitive noise coupling. |
| 6 | DT | input | Dead time programming input; the resistor from DT to ground sets the dead time between VOA and VOB transitions, defaulting to 400 ps when tied to VDDI or left open. |
| 7 | NC | unconnected | No connection. |
| 8 | VDDI | power_in | Input-side power supply terminal; connect to a source of 4.5 to 5.5 V. |
| 9 | GNDB | power_in | Ground terminal for Driver B. |
| 10 | VOB | output | Driver B output (low-side driver). |
| 11 | VDDB | power_in | Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V. |
| 12 | NC | unconnected | No connection. |
| 13 | NC | unconnected | No connection. |
| 14 | GNDA | power_in | Ground terminal for Driver A. |
| 15 | VOA | output | Driver A output (high-side driver). |
| 16 | VDDA | power_in | Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SKYWORKS SILICON LABS |
| Package | SOIC-16-300mil |
| Category | Signal Isolation Devices |
| 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 |
|---|---|---|---|---|---|---|---|
| Driver supply voltage | VDDA, VDDB | 6.5 | 24 | V | Voltage between VDDA and GNDA, and VDDB and GNDB | 24 | |
| Input-side power supply voltage | VDDI | 4.5 | 5.5 | V | Si8230/1/2/3/4/5 | 24 | |
| VDDI undervoltage threshold (rising) | VDDIUV+ | 3.6 | 4 | 4.45 | V | VDDI rising (Si8230/1/2/3/4/5) | 25 |
| VDDI undervoltage threshold (falling) | VDDIUV- | 3.3 | 3.7 | 4.15 | V | VDDI falling (Si8230/1/2/3/4/5) | 25 |
| VDDA, VDDB undervoltage threshold (rising), 8 V threshold | VDDAUV+, VDDBUV+ | 7.5 | 8.6 | 9.4 | V | VDDA, VDDB rising; 8 V Threshold | 25 |
| VDDA, VDDB undervoltage threshold (falling), 8 V threshold | VDDAUV-, VDDBUV- | 7.2 | 8.1 | 8.7 | V | VDDA, VDDB falling; 8 V Threshold | 25 |
| Logic high output voltage | VOAH, VOBH | 0.04 | V | IOA, IOB = -1 mA (VDDA / VDDB) | 24 | ||
| Logic low output voltage | VOAL, VOBL | 0.04 | V | IOA, IOB = 1 mA | 24 | ||
| Logic low input threshold | VIL | 0.8 | V | 24 | |||
| Logic high input threshold | VIH | 2 | V | 24 | |||
| Input hysteresis | VIHYST | 400 | 450 | mV | Si8230/1/2/3/4/5/7/8 | 24 | |
| Input supply quiescent current | IDDI(Q) | 2 | 3 | mA | Si8230/2/3/5/7/8 | 24 | |
| Output supply quiescent current | IDDA(Q), IDDB(Q) | 3 | mA | Current per channel | 24 | ||
| Input pin leakage current | IVIA, IVIB, IPWM | -10 | 10 | µA dc | 24 | ||
| Input pin leakage current (DISABLE) | IDISABLE | -10 | 10 | µA dc | Si8230/1/2/3/4/5 | 24 | |
| Propagation delay | tPHL, tPLH | 30 | 45 | ns | CL = 200 pF | 25 | |
| Pulse width distortion | PWD | 5.6 | ns | 25 | |||
| Absolute maximum input-side supply voltage | VDDI | -0.6 | 6 | V | 32 | ||
| Absolute maximum driver-side supply voltage | VDDA, VDDB | -0.6 | 30 | V | 32 | ||
| Voltage on any pin with respect to ground | VIO | -0.5 | V | Maximum printed as VDD + 0.5 V | 32 | ||
| Output voltage to GND (repetitive spike) | VOA to GNDA, VOB to GNDB | -2 | V | Repeat spike of -2 V for 200 ns, 200 kHz; maximum printed as VDDA/B + 0.5 V | 32 | ||
| Peak output current (4.0 A versions) | IOPK | 4 | A | tPW = 10 µs, duty cycle = 0.2% | 32 | ||
| Storage temperature | TSTG | -65 | 150 | °C | 32 | ||
| Ambient temperature under bias | TA | -40 | 125 | °C | 32 | ||
| Junction temperature | TJ | 150 | °C | 32 | |||
| Lead solder temperature | 260 | °C | 10 s | 32 | |||
| Maximum isolation, input to output (WB SOIC) | 6500 | VRMS | 1 s, WB SOIC | 32 | |||
| Maximum isolation, output to output (WB SOIC) | 2500 | VRMS | 1 s, WB SOIC | 32 | |||
| VDE safety limiting case temperature | TS | 150 | °C | VDE 0884-10 safety limiting values (WB SOIC-14/16) | 31 | ||
| VDE safety input current | IS | 50 | mA | θJA = 100 °C/W (WB SOIC-14/16); VDDI = 5.5 V, VDDA = VDDB = 24 V, TJ = 150 °C, TA = 25 °C | 31 | ||
| VDE device power dissipation | PD | 1.2 | W | Table note 2: VDDI = 5.5 V, VDDA = VDDB = 24 V, TJ = 150 °C | 31 | ||
| IC junction-to-air thermal resistance (WB SOIC-14/16) | θJA | 100 | °C/W | WB SOIC-14/16 | 31 |
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 | 4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components. | 45 |
CAD (KiCad official)
- Symbol:
SI8233BD-D-ISR - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
- 3D model files:
si8233bd-d-isr-etched.step/si8233bd-d-isr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);si8233bd-d-isr.step/si8233bd-d-isr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SKYWORKS SILICON LABS datasheet (58 pp, sha256
ad26a637f019976a, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).