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STM812SW16F
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STMicroelectronics Supervisor And Reset ICs, SOT-143-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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STM812SW16F
STMicroelectronics · Supervisor And Reset ICs · SOT-143-4
STM812SW16F from STMicroelectronics, in a SOT-143-4. 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 | VSS | power_in | Ground reference for the device. |
| 2 | RST | output | Active-high push-pull reset output on the STM812, asserted when VCC falls below the reset threshold or MR is low, and held for trec (140 ms min) afterwards; valid down to VCC = 1.0 V (0 to 70 °C). |
| 3 | MR | input | Active-low manual reset input with internal 20 kΩ pull-up (10 to 30 kΩ), which can be left open if unused; a low level of at least 10 µs asserts reset. |
| 4 | VCC | power_in | Supply voltage input, operating range 1.0 to 5.5 V (1.2 V to 5.5 V over -40 to 85 °C), absolute maximum 7.0 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOT-143-4 |
| Category | Power Management (PMIC) |
| Pins | 4 |
CAD (KiCad official)
- Symbol:
STM812SW16F - Footprint:
Package_TO_SOT_SMD:SOT-143 - 3D model: SOT-143-4 (KiCad packages3D, STEP)
- 3D model files:
stm812sw16f-etched.step/stm812sw16f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm812sw16f.step/stm812sw16f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (21 pp, sha256
24f3f88facdeb210, retrieved 2026-10-05, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(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).
# STM812SW16F
**STMicroelectronics** · Supervisor And Reset ICs · SOT-143-4
STM812SW16F from STMicroelectronics, in a SOT-143-4. 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 | VSS | power_in | Ground reference for the device. |
| 2 | RST | output | Active-high push-pull reset output on the STM812, asserted when VCC falls below the reset threshold or MR is low, and held for trec (140 ms min) afterwards; valid down to VCC = 1.0 V (0 to 70 °C). |
| 3 | MR | input | Active-low manual reset input with internal 20 kΩ pull-up (10 to 30 kΩ), which can be left open if unused; a low level of at least 10 µs asserts reset. |
| 4 | VCC | power_in | Supply voltage input, operating range 1.0 to 5.5 V (1.2 V to 5.5 V over -40 to 85 °C), absolute maximum 7.0 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOT-143-4 |
| Category | Power Management (PMIC) |
| Pins | 4 |
## CAD (KiCad official)
- Symbol: `STM812SW16F`
- Footprint: `Package_TO_SOT_SMD:SOT-143`
- 3D model: SOT-143-4 (KiCad packages3D, STEP)
- 3D model files: `stm812sw16f-etched.step` / `stm812sw16f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm812sw16f.step` / `stm812sw16f.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/8590224413065965568) (21 pp, sha256 `24f3f88facdeb210`, retrieved 2026-10-05, 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/stm812sw16f-datasheet.pdf)