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ME2129FM5G

Public Made by Adom

by adom

MICRONE DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ME2129FM5G

MICRONE · DC-DC Converters · SOT-23-5

ME2129FM5G from MICRONE, in a SOT-23-5. 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 CE input Chip enable/shutdown pin; VCE=0V shuts down the device (VSL1 max 0.3V for stop of oscillation, VSH min 0.75V), with absolute maximum of -0.3 to VDD+0.3V.
2 LX output Switch node connected to the inductor and diode, with LX voltage -0.3 to VDD+0.3V and switch current up to ±1000mA absolute maximum.
3 GND power_in Ground pin.
4 VDD power_in IC power supply pin, absolute maximum -0.3 to 6.5V, recommended 1.8V≤VDD<6V for stable output voltage and oscillation frequency.
5 FB input Feedback voltage pin with a feedback threshold VFB of 1.225V min, 1.25V typ, 1.275V max, set via output voltage resistors R1 and R2.

Key specifications

Parameter Value
Manufacturer MICRONE
Package SOT-23-5
Category Power Management ICs
Pins 5

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing ppa body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Nanjing Micro 14

CAD (KiCad official)

  • Symbol: ME2129FM5G
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: me2129fm5g-etched.step / me2129fm5g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); me2129fm5g.step / me2129fm5g.glb are the bare package body.

Provenance

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

  • Datasheet: MICRONE datasheet (14 pp, sha256 2d66385b1e75c741, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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