component
CM1600B
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iCM(创芯微) , SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CM1600B
iCM(创芯微) · IC · SOP-8
CM1600B 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 pin; the datasheet lists pins 1, 2 and 3 together as GND (地) with no separate limits. |
| 2 | GND | power_in | Ground pin; the datasheet lists pins 1, 2 and 3 together as GND (地) with no separate limits. |
| 3 | GND | power_in | Ground pin; the datasheet lists pins 1, 2 and 3 together as GND (地) with no separate limits. |
| 4 | VCC | power_in | Chip supply pin with a VCC-to-GND absolute rating of -0.3 to +7 V, and a UVLO turn-on threshold of 1.5 to 2.7 V (typ 2.1 V) with 0.3 V hysteresis. |
| 5 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
| 6 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
| 7 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
| 8 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
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 UVLO turn-on voltage (VCC raising) | VUVLO1 | 1.5 | 2.1 | 2.7 | V | VCC raising; Ta=+25°C unless noted | 5 |
| Static 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 | |
| Drive 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-side turn-on detection blanking time | TPS_ON_DET | 200 | 350 | 500 | ns | 5 | |
| Supply voltage (VCC to GND) | VCC | -0.3 | 7 | V | 4 | ||
| Drain to GND voltage | VD | -0.7 | 40 | V | 4 | ||
| Maximum operating frequency | FMAX | 200 | KHz | 4 | |||
| Storage temperature | Tstg | -55 | 150 | ℃ | 4 | ||
| Operating temperature | Operating | -20 | 125 | ℃ | 4 | ||
| Soldering temperature | Tsolder | 260 | ℃ | 10s | 4 | ||
| ESD human body model | ESD | 4 | KV | Human body model | 4 | ||
| Undervoltage lockout hysteresis | VUVLO2 | 0.3 | V | 5 | |||
| Synchronous rectification turn-on delay | VON_DELAY | 150 | ns | 5 | |||
| Synchronous rectification turn-off delay | VOFF_DELAY | 50 | ns | 5 | |||
| Drain-source breakdown voltage | BVDSS | 40 | V | VGS=0V, ID=250µA | 5 | ||
| Drain-source on-resistance | RDSON | 20 | mΩ | VGS=4.5V, ID=1A | 5 | ||
| Thermal resistance | PTR1 | 150 | ℃/W | 4 |
CAD (KiCad official)
- Symbol:
CM1600B - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
cm1600b-etched.step/cm1600b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cm1600b.step/cm1600b.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
e6e023ea0dc5aa0e, retrieved 2026-11-07, 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).
# CM1600B
**iCM(创芯微)** · IC · SOP-8
CM1600B 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 pin; the datasheet lists pins 1, 2 and 3 together as GND (地) with no separate limits. |
| 2 | GND | power_in | Ground pin; the datasheet lists pins 1, 2 and 3 together as GND (地) with no separate limits. |
| 3 | GND | power_in | Ground pin; the datasheet lists pins 1, 2 and 3 together as GND (地) with no separate limits. |
| 4 | VCC | power_in | Chip supply pin with a VCC-to-GND absolute rating of -0.3 to +7 V, and a UVLO turn-on threshold of 1.5 to 2.7 V (typ 2.1 V) with 0.3 V hysteresis. |
| 5 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
| 6 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
| 7 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
| 8 | VD | passive | Power MOSFET drain pin with a drain-to-GND rating of -0.7 to +40 V, and BVDSS of 40 V min at VGS=0 V, ID=250 µA. |
## 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 UVLO turn-on voltage (VCC raising) | VUVLO1 | 1.5 | 2.1 | 2.7 | V | VCC raising; Ta=+25°C unless noted | 5 |
| Static 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 |
| Drive 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-side turn-on detection blanking time | TPS_ON_DET | 200 | 350 | 500 | ns | | 5 |
| Supply voltage (VCC to GND) | VCC | -0.3 | | 7 | V | | 4 |
| Drain to GND voltage | VD | -0.7 | | 40 | V | | 4 |
| Maximum operating frequency | FMAX | | | 200 | KHz | | 4 |
| Storage temperature | Tstg | -55 | | 150 | ℃ | | 4 |
| Operating temperature | Operating | -20 | | 125 | ℃ | | 4 |
| Soldering temperature | Tsolder | | | 260 | ℃ | 10s | 4 |
| ESD human body model | ESD | | | 4 | KV | Human body model | 4 |
| Undervoltage lockout hysteresis | VUVLO2 | | 0.3 | | V | | 5 |
| Synchronous rectification turn-on delay | VON_DELAY | | 150 | | ns | | 5 |
| Synchronous rectification turn-off delay | VOFF_DELAY | | 50 | | ns | | 5 |
| Drain-source breakdown voltage | BVDSS | | 40 | | V | VGS=0V, ID=250µA | 5 |
| Drain-source on-resistance | RDSON | | 20 | | mΩ | VGS=4.5V, ID=1A | 5 |
| Thermal resistance | PTR1 | | 150 | | ℃/W | | 4 |
## CAD (KiCad official)
- Symbol: `CM1600B`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `cm1600b-etched.step` / `cm1600b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cm1600b.step` / `cm1600b.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/8603386728854413312) (9 pp, sha256 `e6e023ea0dc5aa0e`, retrieved 2026-11-07, 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/cm1600b-datasheet.pdf)