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LM22673QMRE-ADJ

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

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LM22673QMRE-ADJ

Texas Instruments · DC-DC Converters · SO-8

LM22673QMRE-ADJ 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 that provides the gate voltage for the high-side NFET; the boot pin voltage is limited to VSW + 7 V per the absolute maximum ratings.
2 NC unconnected Not connected; the pin is not electrically connected inside the chip but functions as a thermal conductor.
3 IADJ input Current limit adjust input, where a resistor from this pin to GND sets the current limit threshold and the pin may be left floating for the internal default; the pin voltage is limited to -0.5 V to 7 V.
4 FB input Feedback input to the regulator; the FB pin voltage is limited to -0.5 V to 7 V.
5 SS passive Soft-start pin used to increase soft-start time; the SS pin voltage is limited to -0.5 V to 7 V.
6 GND power_in Ground input and system common for the regulator.
7 VIN power_in Supply input to the regulator, with a recommended VIN supply range of 4.5 V to 42 V and an absolute maximum of 43 V VIN to GND.
8 SW output Switching output of the regulator; the dc limit is -5 V to VIN relative to GND, with an extended -10 V limit for pulses up to 50 ns.

Key specifications

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

CAD (KiCad official)

  • Symbol: LM22673QMRE-ADJ
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: lm22673qmre-adj-etched.step / lm22673qmre-adj-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm22673qmre-adj.step / lm22673qmre-adj.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (35 pp, sha256 5254d1f406555d9b, retrieved 2026-10-10, 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-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