component

LM22671MRE-5.0

Public Made by Adom

by adom

Texas Instruments DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM22671MRE-5.0

Texas Instruments · DC-DC Converters · SO-8

LM22671MRE-5.0 from Texas Instruments, 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 BOOT input Bootstrap input providing gate voltage for the high side NFET and controlling regulator start-up and shut-down; maximum voltage VSW + 7 V.
2 SS input Soft-start pin used to increase soft-start time with operating voltage range -0.5 to 7 V.
3 RT/SYNC input Switching Oscillator frequency adjust pin or frequency synchronization controlling oscillator mode of regulator with operating voltage range -0.5 to 7 V.
4 FB input Feedback input to regulator with operating voltage range -0.5 to 7 V.
5 EN input Precision enable pin used to control regulator start-up and shut-down with operating voltage range -0.5 to 6 V.
6 GND power_in System ground pin providing thermal connection to PCB.
7 VIN power_in Supply input to the regulator with recommended operating voltage range 4.5 to 42 V.
8 SW output Switching output of the regulator with DC voltage range approximately -5 V to VIN.

Key specifications

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

CAD (KiCad official)

  • Symbol: LM22671MRE-5.0
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: lm22671mre-5-0-etched.step / lm22671mre-5-0-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm22671mre-5-0.step / lm22671mre-5-0.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 5bdc701f26c09e8e, retrieved 2026-10-07, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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