component
CM1042-DS
Public Made by Adomby adom
iCM(创芯微) , SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
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PCB Footprint
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Datasheet
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README
markdownCM1042-DS
iCM(创芯微) · IC · SOP-16
CM1042-DS from iCM(创芯微), in a SOP-16. 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 | VCC | power_in | Positive power supply input and positive connection of battery 1; VCC is rated VSS-0.3 V to VSS+40 V (absolute maximum), with an operating range of 5 V to 25 V. |
| 2 | VC1 | power_in | Positive voltage connection for battery 1; cell-sense inputs VC1-VC2, VC2-VC3, VC3-VC4 and VC4-VSS are rated 0 to 12 V. |
| 3 | VC2 | power_in | Negative voltage connection for battery 1 and positive voltage connection for battery 2; cell-sense input range is 0 to 12 V. |
| 4 | VC3 | power_in | Negative voltage connection for battery 2 and positive voltage connection for battery 3; cell-sense input range is 0 to 12 V. |
| 5 | VC4 | power_in | Negative voltage connection for battery 3 and positive voltage connection for battery 4; cell-sense input range is 0 to 12 V. |
| 6 | NC | unconnected | No-connect pin with no electrical connection function. |
| 7 | VSS | power_in | Chip ground and negative voltage connection for battery 4, serving as the reference for all voltage ratings. |
| 8 | NC | unconnected | No-connect pin with no electrical connection function. |
| 9 | NC | unconnected | No-connect pin with no electrical connection function. |
| 10 | TEC | passive | Discharge overcurrent delay adjustment terminal, where an external capacitor CTEC sets TEC1 = 10×CTEC (ms, with CTEC in nF); rated VSS-0.3 V to VSS+5.5 V. |
| 11 | RTS | passive | Connects to the NTC thermistor for temperature detection; rated VSS-0.3 V to VSS+5.5 V. |
| 12 | RTV | passive | Connects a resistor to RTS to set the high-temperature protection threshold, with RT equal to 3 times the NTC resistance at TCH; rated VSS-0.3 V to VSS+5.5 V. |
| 13 | VINI | input | Overcurrent detection input for charge and discharge current sensing; rated VSS-0.3 V to VCC+0.3 V. |
| 14 | DO | output | Discharge MOSFET control output, which turns off the discharge MOSFET on protection; rated VSS-0.3 V to VCC+0.3 V. |
| 15 | CO | output | Charge MOSFET control output, which turns off the charge MOSFET on protection; rated VSS-15 V to VCC+0.3 V. |
| 16 | VM | input | Charger and load detection terminal; rated VSS-15 V to VCC+0.3 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | iCM(创芯微) |
| Package | SOP-16 |
| Category | |
| Pins | 16 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating voltage (工作电压) | VCC | 5 | 25 | V | 6 | ||
| Overcharge protection delay (过充电保护延时) | TOC | 0.5 | 1 | 1.5 | s | V1=V2=V3=V4=3.5V, V4=3.5 → 4.4V | 6 |
| Overcharge recovery delay (过充电恢复延时) | TOCR | 128 | 256 | 384 | ms | V1=V2=V3=V4=3.5V, V4=4.4 → 3.5V | 6 |
| Overdischarge release voltage (过放电解除电压) | VODR | -0.1 | 3 | 0.1 | V | V1=V2=V3=V4=3.5V, V4=2.0 → 3.5V | 6 |
| Overdischarge protection delay (过放电保护延时) | TOD | 0.5 | 1 | 1.5 | s | V1=V2=V3=V4=3.5V, V4=3.5 → 2.0V | 6 |
| Overdischarge recovery delay (过放电恢复延时) | TODR | 24 | 48 | 72 | ms | V1=V2=V3=V4=3.5V, V4=2.0 → 3.5V | 6 |
| Discharge overcurrent 1 protection voltage (放电过流1保护电压) | VEC1 | -0.01 | 0.1 | 0.01 | V | V1=V2=V3=V4=3.5V, VINI=0 → 0.12V | 6 |
| Discharge overcurrent 1 protection delay (放电过流1保护延时) | TEC1 | 0.5 | 1 | 1.5 | s | V1=V2=V3=V4=3.5V, VINI=0 → 0.12V，CTEC=0.1μF | 6 |
| Discharge overcurrent 2 protection delay (放电过流2保护延时) | TEC2 | 50 | 100 | 150 | ms | V1=V2=V3=V4=3.5V, VINI=0 → 0.35V | 6 |
| Short-circuit protection delay (短路保护延时) | TSHORT | 125 | 250 | 375 | μs | V1=V2=V3=V4=3.5V, VINI=0 → 0.8V | 6 |
| Discharge overcurrent release delay (放电过流解除延时) | TECR | 16 | 32 | 48 | ms | V1=V2=V3=V4=3.5V, VINI=0.8 → 0V | 6 |
| Charge overcurrent protection voltage (充电过流保护电压) | VCHA | -0.01 | -0.05 | 0.01 | V | V1=V2=V3=V4=3.5V, VINI=0→ -1V | 6 |
| Charge overcurrent protection delay (充电过流保护延时) | TCHA | 128 | 256 | 384 | ms | V1=V2=V3=V4=3.5V, VINI=0→ -1V | 6 |
| Charge overcurrent release delay (充电过流解除延时) | TCHAR | 24 | 48 | 72 | ms | V1=V2=V3=V4=3.5V, VINI=-1V→0V | 7 |
| Open-wire protection delay (断线保护延时) | TOW | 260 | 520 | 780 | ms | 7 | |
| Open-wire release delay (断线解除延时) | TOWR | 24 | 48 | 72 | ms | 7 | |
| Charge high-temperature protection temperature tolerance (充电高温保护温度) | TCH | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=100k → 10k | 7 | |
| Charge high-temperature release temperature tolerance (充电高温解除温度) | TCHR | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=10k → 100k | 7 | |
| Discharge high-temperature protection temperature tolerance (放电高温保护温度) | TDH | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=100k → 10k | 7 | |
| Discharge high-temperature release temperature tolerance (放电高温解除温度) | TDHR | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=10k → 100k | 7 | |
| Charge high-temperature protection delay (充电高温保护延时) | DTCH | 0.5 | 1 | 1.5 | s | V1=V2=V3=V4=3.5V, RNTC=100k → 10k | 7 |
| Charge high-temperature release delay (充电高温解除延时) | DTCHR | 128 | 256 | 384 | ms | V1=V2=V3=V4=3.5V, RNTC=10k → 100k | 7 |
| Discharge high-temperature protection delay (放电高温保护延时) | DTDH | 0.5 | 1 | 1.5 | s | V1=V2=V3=V4=3.5V, RNTC=100k → 10k | 7 |
| Discharge high-temperature release delay (放电高温解除延时) | DTDHR | 128 | 256 | 384 | ms | V1=V2=V3=V4=3.5V, RNTC=10k → 100k | 7 |
| Charge low-temperature protection temperature tolerance (充电低温保护温度) | TCL | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=100k → 3M | 7 | |
| Charge low-temperature release temperature tolerance (充电低温解除温度) | TCLR | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=3M → 100k | 7 | |
| Discharge low-temperature protection temperature tolerance (放电低温保护温度) | TDL | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=100k → 3M | 7 | |
| Discharge low-temperature release temperature tolerance (放电低温解除温度) | TDLR | -5 | 5 | °C | V1=V2=V3=V4=3.5V, RNTC=3M → 100k | 7 | |
| Charge low-temperature protection delay (充电低温保护延时) | DTCL | 0.7 | 1 | 1.3 | s | V1=V2=V3=V4=3.5V, RNTC=100k → 3M | 7 |
| Charge low-temperature release delay (充电低温解除延时) | DTCLR | 128 | 256 | 384 | ms | V1=V2=V3=V4=3.5V, RNTC=3M → 100k | 7 |
| Discharge low-temperature protection delay (放电低温保护延时) | DTDL | 0.7 | 1 | 1.3 | s | V1=V2=V3=V4=3.5V, RNTC=100k → 3M | 7 |
| Discharge low-temperature release delay (放电低温解除延时) | DTDLR | 128 | 256 | 384 | ms | V1=V2=V3=V4=3.5V, RNTC=3M → 100k | 7 |
| Discharge state detection voltage (放电状态检测电压) | VSTS | 1 | 4 | 7 | mV | V1=V2=V3=V4=3.5V, RNTC=10k, VINI=0→10mV | 7 |
| Absolute maximum supply voltage (电源电压) | VCC | -0.3 | 40 | V | 5 | ||
| Absolute maximum input voltage 0 (cell inputs) | VCELL | 0 | 12 | V | 5 | ||
| Absolute maximum input voltage 1 (RTS, RTV, TEC) | VIN1 | -0.3 | 5.5 | V | 5 | ||
| Absolute maximum input voltage 2 (VM, CO) | VIN2 | -15 | V | 5 | |||
| Absolute maximum input voltage 3 (VINI, DO) | VIN3 | -0.3 | V | 5 | |||
| Operating ambient temperature (工作环境温度) | TOPR | -40 | 85 | °C | 5 | ||
| Storage temperature (保存温度) | TSTG | -55 | 125 | °C | 5 | ||
| Quiescent current in operation (正常工作电流) | IVCC | 12 | 18 | μA | V1=V2=V3=V4=3.5V | 6 | |
| Quiescent current in sleep (休眠电流) | ISTB | 4 | 6 | μA | V1=V2=V3=V4=2.0V | 6 | |
| VM-VSS resistance (VM-VSS 电阻) | RVMS | 70 | kΩ | V1=V2=V3=V4=3.5V, VINI=0.200V | 7 | ||
| CO/DO high output level, VCC>12V (CO、DO 高输出电平) | VCOH, VDOH | 10.8 | V | VCC>12V | 8 | ||
| CO high-level output resistance (CO 高电平输出电阻) | RCOH | 8 | kΩ | V1=V2=V3=V4=3.5V, VCO=CO 高输出电平-1.0V | 8 | ||
| DO high-level output resistance (DO 高电平输出电阻) | RDOH | 8 | kΩ | V1=V2=V3=V4=3.5V, VDO=DO 高输出电平-1.0V | 8 | ||
| DO low-level output resistance (DO 低电平输出电阻) | RDOL | 0.5 | kΩ | V1=V2=V3=3.5V, V4=1.5V, VDO=1.0V | 8 |
CAD (KiCad official)
- Symbol:
CM1042-DS - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files:
cm1042-ds-etched.step/cm1042-ds-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cm1042-ds.step/cm1042-ds.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: iCM(创芯微) datasheet (16 pp, sha256
baf5d53c33930af9, 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, 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).