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LM22673TJ-ADJ

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Texas Instruments DC-DC Converters, TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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docs lm22673tj-adj: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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lm22673tj-adj-etched.fit.json lm22673tj-adj: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
lm22673tj-adj-etched.glb lm22673tj-adj: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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README.md Initial commit: component/lm22673tj-adj · Ray 4d ago

LM22673TJ-ADJ

Texas Instruments · DC-DC Converters · TO-263-7

LM22673TJ-ADJ from Texas Instruments, in a TO-263-7. 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 SW output Switching output of the regulator.
2 VIN power_in Supply input to the regulator, 4.5V to 42V.
3 BOOT input Bootstrap input that provides gate voltage for the high-side NFET.
4 GND power_in System ground pin and ground input to regulator.
5 IADJ input Current limit adjust input pin; attach resistor to GND to set current limit threshold or leave floating for default setting.
6 FB input Feedback input to regulator for output voltage regulation.
7 SS input Soft-start pin; external capacitor can be used to increase soft-start time.
8 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TO-263-7
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: LM22673TJ-ADJ
  • Footprint: Package_TO_SOT_SMD:TO-263-7_TabPin8
  • 3D model: TO-263-7 (KiCad packages3D, STEP)
  • 3D model files: lm22673tj-adj-etched.step / lm22673tj-adj-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm22673tj-adj.step / lm22673tj-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 2026-10-01, 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