component

ME2185ASPG

Public Made by Adom

by adom

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

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ME2185ASPG

MICRONE · DC-DC Converters · ESOP-8

ME2185ASPG from MICRONE, in a ESOP-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 PGND power_in Power ground pin of the power switches.
2 PGND power_in Power ground pin of the power switches.
3 EN input Enable pin: high (min 0.9V) powers on for normal operation, low (max 0.2V) powers off to standby with shutdown current max 1.0uA.
4 Ilimit passive Current limit setting pin; an external resistor RCS sets the inductor peak current limit (e.g. 30K gives 4.30A at VIN=3.3V).
5 AGND power_in Analog ground.
6 ADJ input Feedback voltage pin with 1.25V typ. (1.225V to 1.275V) reference, connected to the output divider R1/R2.
7 AVDD power_in IC analog power supply pin, input range 2.9V to 4.4V, absolute max 6.0V.
8 PVDD power_in IC power supply pin, input range 2.9V to 4.4V, absolute max 6.0V.
9 LX passive Power switching pin connected to the inductor; voltage rating -0.3V to VDD+0.3V (exposed pad of the ESOP8).

Key specifications

Parameter Value
Manufacturer MICRONE
Package ESOP-8
Category Power Management ICs
Pins 9

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Feedback voltage VADJ 1.225 1.25 1.275 V VIN=VEN=3.3V, VOUT=5.0V, Ta=25℃ 4
Input voltage VIN 2.9 4.4 V VIN=VEN=3.3V, VOUT=5.0V, Ta=25℃ 4
Current consumption 1 ISS1 4 6 mA At switching operation, no external components, AVDD=PVDD=VEN=3.3V, VADJ=VADJ(S)×0.95 4
Current consumption 2 ISS2 150 300 μA At switching stop, no external components, AVDD=PVDD=VEN=3.3V, VADJ=VADJ(S)+0.5V 4
Current consumption during shutdown ISSS 1 μA AVDD=PVDD=3.3V, VEN=0V, no external components 4
Oscillation frequency Fosc 0.8 1 1.2 MHz 4
High level input voltage VSH 0.9 V VIN=2.9V to 4.4V, EN pin 4
Low level input voltage VSL 0.2 V VIN=2.9V to 4.4V, EN pin 4
ADJ pin input current IADJ -0.1 0 0.1 μA AVDD=PVDD=VEN=2.9V to 4.4V, ADJ pin 4
VDD pin voltage AVDD,PVDD -0.3 6 V 4
LX pin voltage VLX -0.3 V max = VDD+0.3 V 4
ADJ pin voltage VADJ -0.3 V max = VDD+0.3 V 4
EN pin voltage VEN -0.3 V max = VDD+0.3 V 4
Power dissipation (ESOP8) Pd 2000 mW 4
Operating temperature range TOpr -40 85 ℃ 4
Storage temperature range Tstg -40 125 ℃ 4
Max. duty ratio MAXDUTY 81 % VIN=VEN=0.9V, no load 4
PWM/PFM switching duty ratio PFMDUTY 18 % VIN=VEN=3.3V, no load 4
UVLO release voltage VUVLO+ 2.4 V 4
UVLO hysteresis width VUVLOHYS 0.4 V 4
Soft start time tss 3 mS 4
Thermal shutdown protection Tsd 156 ℃ 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 11

CAD (KiCad official)

  • Symbol: ME2185ASPG
  • Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm
  • 3D model: ESOP-8 (KiCad packages3D, STEP)
  • 3D model files: me2185aspg-etched.step / me2185aspg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); me2185aspg.step / me2185aspg.glb are the bare package body.

Provenance

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

  • Datasheet: MICRONE datasheet (11 pp, sha256 83685336fc299701, 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