STMPS2141STR

@@ -0,0 +1,46 @@+# STMPS2141STR++**STMicroelectronics** · Analog Switches, Multiplexers · SOT-23-5++STMPS2141STR from STMicroelectronics, in a SOT-23-5. 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 | OUT | power_out | Switched high-side power output. Delivers up to 500 mA continuous from IN through the internal 90 mΩ N-channel MOSFET. Current-limited to a safe level under overload or short-circuit and shut off on thermal trip. |+| 2 | GND | power_in | Device ground reference for the control logic and internal references. |+| 3 | FAULT | output | Open-drain fault indicator, active low. Asserts on overcurrent, short-circuit, thermal shutdown, or reverse-voltage conditions after the internal fault-blanking delay. Requires an external pull-up resistor. |+| 4 | EN | input | Enable input for the power switch. CMOS/TTL compatible. On the STMPS2141 the enable is ACTIVE LOW: drive low to turn the switch ON, drive high to turn it OFF. |+| 5 | IN | power_in | Input supply and drain of the internal high-side MOSFET. Operating range 2.7 V to 5.5 V. Bypass with a local ceramic capacitor to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOT-23-5 |+| Category | Interface |+| Pins | 5 |++## Ordering variants++- `STMPS2141STRSTR`+- `STMPS2141STRMTR`+- `STMPS2141STRTTR`++## CAD (KiCad official)++- Symbol: `STMPS2141STR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/stmps2141str.pdf) (37 pp, sha256 `700138497f100d55`, retrieved 2026-08-17, tier: manufacturer)+- **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).++[Datasheet PDF](docs/stmps2141str-datasheet.pdf)

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