component

STMPS2161MTR

Public Made by Adom

by adom

STMicroelectronics Power Distribution Switches, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)stmps2161mtrfactory-2.0.0extractor-text
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STMPS2161MTR

STMicroelectronics · Power Distribution Switches · SO-8

STMPS2161MTR from STMicroelectronics, in a SO-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 GND power_in Ground reference pin for the power switch.
2 IN power_in Input supply pin, specified for a 2.7 to 5.5 V input range.
3 IN power_in Second input supply pin on the SO-8 package, specified for the same 2.7 to 5.5 V input range as pin 2.
4 EN input Enable input for the power switch; it is active low for the STMPS2161 per Table 1 and is CMOS and TTL compatible.
5 FAULT output Open-drain FAULT indicator that goes active low on overcurrent after the 10 ms fault blanking time, and immediately on overtemperature (above 135 °C junction) or undervoltage.
6 OUT power_out Output of the 90 mΩ high-side power switch, rated for 1000 mA continuous output current on the STMPS2161.
7 OUT power_out Output of the 90 mΩ high-side power switch, rated for 1000 mA continuous output current on the STMPS2161.
8 OUT power_out Output of the 90 mΩ high-side power switch, rated for 1000 mA continuous output current on the STMPS2161.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SO-8
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: STMPS2161MTR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: stmps2161mtr-etched.step / stmps2161mtr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stmps2161mtr.step / stmps2161mtr.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (37 pp, sha256 700138497f100d55, retrieved 2026-10-08, tier: lcsc)
  • 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