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LM22670QMRE-ADJ

Public Made by Adom

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

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LM22670QMRE-ADJ

Texas Instruments · DC-DC Converters · SOIC-8-EP

LM22670QMRE-ADJ from Texas Instruments, in a SOIC-8-EP. 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 datasheet limits the BOOT pin voltage to VSW + 7 V.
2 NC unconnected Not electrically connected inside the chip, but the pin does function as a thermal conductor.
3 RT/SYNC input Switching frequency adjustment and synchronization input that sets the oscillator mode (resistor-adjustable from 200 kHz to 1 MHz, or synchronized to a system clock); the pin voltage is limited to -0.5 V to 7 V.
4 FB input Feedback input to the regulator; the pin voltage is limited to -0.5 V to 7 V.
5 EN input Precision enable input that controls regulator start-up and shut-down and sets UVLO; the pin voltage is limited to -0.5 V to 6 V.
6 GND power_in Ground input to the regulator and the system ground pin.
7 VIN power_in Supply input to the regulator; the recommended VIN range is 4.5 V to 42 V with an absolute maximum of 43 V to GND.
8 SW output Switching output of the regulator; DC voltage is limited to -5 V to VIN, with a -10 V limit for pulses up to 50 ns.
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8-EP
Category Power Management (PMIC)
Pins 9

CAD (KiCad official)

  • Symbol: LM22670QMRE-ADJ
  • Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm
  • 3D model: SOIC-8-EP (KiCad packages3D, STEP)
  • 3D model files: lm22670qmre-adj-etched.step / lm22670qmre-adj-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm22670qmre-adj.step / lm22670qmre-adj.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 5d2cd199b79fcc67, retrieved 2026-10-08, 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