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CM1623

Public Made by Adom

by adom

iCM(创芯微) , SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CM1623

iCM(创芯微) · IC · SOP-8

CM1623 from iCM(创芯微), in a SOP-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 GND power_in Ground reference pin for the controller; datasheet Table 1 lists pins 1 and 2 together as GND.
2 GND power_in Ground reference pin for the controller; datasheet Table 1 lists pins 1 and 2 together as GND.
3 VCC power_in Chip supply pin with UVLO turn-on of 2.9 V to 4.1 V (3.5 V typical) and 0.2 V hysteresis; absolute maximum VCC-to-GND rating is -0.3 V to 9 V, and the electrical table lists a supply voltage of 7 V.
4 VIN power_in AC-powered supply input; absolute maximum rating is -0.7 V to 32 V, and the electrical table lists an input voltage of 30 V.
5 VD passive Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V.
6 VD passive Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V.
7 VD passive Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V.
8 VD passive Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V.

Key specifications

Parameter Value
Manufacturer iCM(创芯微)
Package SOP-8
Category
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Undervoltage lockout turn-on threshold (VCC raising) VUVLO1 2.9 3.5 4.1 V VCC raising 5
Quiescent current IQ 200 325 450 µA 5
Synchronous rectifier turn-on threshold VON_TH -300 -200 -100 mV 5
Input voltage VIN 30 V 5
Supply voltage VCC 7 V 5
UVLO hysteresis VUVLO2 0.2 V 5
Driver voltage regulation threshold VREG -50 mV 5
Synchronous rectifier turn-off threshold VOFF_TH -20 mV 5
Synchronous rectifier turn-off delay VOFF_DELAY 12 ns 5
Minimum on time TON_MIN 700 ns 5
Over-temperature protection threshold OTP 150 ℃ 5
Over-temperature hysteresis ΔT 30 ℃ 5
Drain-source breakdown voltage BVDSS 60 V VGS=0V,ID=250µA 5
On-state resistance RDSON 8 mΩ VGS=10V,ID=10A 5
Input voltage absolute maximum VIN -0.7 32 V 4
Supply voltage to ground absolute maximum VCC -0.3 9 V 4
Drain to ground voltage absolute maximum VD -0.7 66 V 4
Maximum operating frequency FMAX 300 KHz 4
Thermal resistance PTR1 150 ℃/W 4
Storage temperature Tstg -55 150 ℃ 4
Operating temperature -20 125 ℃ 4
Soldering temperature Tsolder 260 ℃ 10s 4
ESD human body model ESD 4 KV Human body model 4

CAD (KiCad official)

  • Symbol: CM1623
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: cm1623-etched.step / cm1623-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cm1623.step / cm1623.glb are the bare package body.

Provenance

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

  • Datasheet: iCM(创芯微) datasheet (9 pp, sha256 4cd5ed98e6919328, retrieved 2026-11-05, 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