# IRS2118STRPBF

**Infineon Technologies** · Gate Drive ICs · SOIC-8

IRS2118STRPBF from Infineon Technologies, in a SOIC-8. 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 | VCC | power_in | Logic and gate drive supply, rated 10 V to 20 V in the recommended operating conditions. |
| 2 | IN | input | Logic input for gate driver output HO; on the IRS2118 it is out of phase with HO, and the input is a CMOS Schmitt-triggered input with pull-down. |
| 3 | COM | power_in | Logic ground; all voltage parameters are referenced to COM. |
| 4 | NC | unconnected | No connect on the IRS2118 (listed as NC for IRS2117/IRS2118 in the lead definitions). |
| 5 | NC | unconnected | No connect. |
| 6 | VS | power_in | High-side floating supply return; VS offset is rated to 600 V, with a transient of -50 V negative for 50 ns. |
| 7 | HO | output | High-side gate drive output, driving the high-side N-channel power MOSFET or IGBT. |
| 8 | VB | power_in | High-side floating supply; VB must be held 10 V to 20 V above VS in the recommended operating conditions. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | SOIC-8 |
| Category | Power Management ICs |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `IRS2118STRPBF`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `irs2118strpbf-etched.step` / `irs2118strpbf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `irs2118strpbf.step` / `irs2118strpbf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Infineon Technologies datasheet](docs/irs2118strpbf-datasheet.pdf) (26 pp, sha256 `bd3949ad44a5c64d`, retrieved 2026-10-28, tier: manufacturer)
- **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](docs/irs2118strpbf-datasheet.pdf)