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CM1600C

iCM(创芯微) · IC · SOP-8

CM1600C 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 (地) for the controller; pins 1, 2 and 3 are all GND and should be connected together.
2 GND power_in Ground reference (地); bonded together with pins 1 and 3 as GND.
3 GND power_in Ground reference (地); bonded together with pins 1 and 2 as GND.
4 VCC power_in Chip supply pin; the VCC-to-GND rating is -0.3 V to +7 V, and the UVLO turn-on threshold is 1.5 V to 2.7 V (2.1 V typ.) with 0.3 V typical hysteresis.
5 VD passive Drain of the internal power MOSFET; the drain-to-ground voltage rating is -0.7 V to +40 V.
6 VD passive Drain of the internal power MOSFET; the drain-to-ground voltage rating is -0.7 V to +40 V.
7 VD passive Drain of the internal power MOSFET; the drain-to-ground voltage rating is -0.7 V to +40 V.
8 VD passive Drain of the internal power MOSFET; the drain-to-ground voltage rating is -0.7 V to +40 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
VCC supply to GND voltage VCC -0.3 7 V 4
Drain to GND voltage VD -0.7 40 V 4
Maximum operating frequency FMAX 200 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
VCC turn-on threshold (UVLO rising) VUVLO1 1.5 2.1 2.7 V VCC raising 5
Quiescent current IQ 100 275 450 µA VCC=SR=6V 5
Synchronous rectification turn-on threshold VON_TH -400 -250 -100 mV 5
Synchronous rectification turn-off threshold VOFF_TH -15 -10 -5 mV 5
Driver adjust threshold VREG(DRV) -60 -45 -30 mV 5
Minimum on time TON_MIN 0.8 1.2 1.6 us 5
Minimum off time TOFF_MIN 2 3 4 us 5
Primary turn-on detection blanking time TPS_ON_DET 200 350 500 ns 5

CAD (KiCad official)

  • Symbol: CM1600C
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: cm1600c-etched.step / cm1600c-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cm1600c.step / cm1600c.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 c9eb8c949b532e3e, retrieved 2026-10-17, 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