component

MP2224GJ-Z

Public Made by Adom

by adom

Monolithic Power Systems DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MP2224GJ-Z

Monolithic Power Systems · DC-DC Converters · TSOT-23-8

MP2224GJ-Z from Monolithic Power Systems, in a TSOT-23-8. 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 AGND power_in Analog ground that must be connected to GND, using a single trace to the GND plane as recommended in the layout guidelines.
2 IN power_in Supply voltage input that operates from a 4.5V to 18V input rail, requires C1 decoupling, and should use a wide PCB trace.
3 SW output Switch output node that should be connected using a wide PCB trace and routed away from sensitive analog areas such as FB.
4 GND power_in Power ground that requires special layout consideration and must be connected to GND with copper traces and vias.
5 BST passive Bootstrap pin that requires a capacitor between SW and BST to form a floating supply for the high-side switch driver, with BST regulated to 5V across C4 when VBST-VSW exceeds 5V.
6 EN/SYNC input Enable input where a high level enables the MP2224 and an external clock from 200kHz to 2MHz can be applied to change the switching frequency, with the pin internally clamped by a 5.6V Zener diode.
7 VCC power_out Bias supply output of the internal 5V regulator that must be decoupled with a 0.1µF to 0.22µF capacitor.
8 FB input Feedback input connected to the tap of the external resistor divider from the output to GND, where the frequency foldback comparator lowers the oscillator frequency when FB is below 480mV.

Key specifications

Parameter Value
Manufacturer Monolithic Power Systems
Package TSOT-23-8
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: MP2224GJ-Z
  • Footprint: Package_TO_SOT_SMD:TSOT-23-8
  • 3D model: TSOT-23-8 (KiCad packages3D, STEP)
  • 3D model files: mp2224gj-z-etched.step / mp2224gj-z-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mp2224gj-z.step / mp2224gj-z.glb are the bare package body.

Provenance

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

  • Datasheet: Monolithic Power Systems datasheet (19 pp, sha256 3f747d847bfdbf0a, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), 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