# STM1815RWX7F

**STMicroelectronics** · Supervisor And Reset ICs · SOT-23-3

STM1815RWX7F from STMicroelectronics, in a SOT-23-3. 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 | RST | output | Active-low reset output (push-pull) that asserts low when VCC drops below the reset threshold and remains low for a minimum of 100 ms after VCC rises above the threshold. |
| 2 | VCC | power_in | Supply voltage and input for reset threshold comparator, operating range 1.0 V to 5.5 V. |
| 3 | VSS | power_in | Ground, reference for power supply and device logic; must be connected to system ground. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOT-23-3 |
| Category | Power Management (PMIC) |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `STM1815RWX7F`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files: `stm1815rwx7f-etched.step` / `stm1815rwx7f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm1815rwx7f.step` / `stm1815rwx7f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588952365110071296) (25 pp, sha256 `92bdec36422e0716`, retrieved 2026-10-03, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/stm1815rwx7f-datasheet.pdf)