component
CM1623
Public Made by Adomby 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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cm1623.step/cm1623.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# 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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603386731240972288) (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](docs/cm1623-datasheet.pdf)