component
CM1004-BCD
Public Made by Adomby adom
iCM(创芯微) Battery Management, DFN-6L(1.6x1.9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownCM1004-BCD
iCM(创芯微) · Battery Management · DFN-6L(1.6x1.9)
CM1004-BCD from iCM(创芯微), in a DFN-6L(1.6x1.9). 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 | VM | input | External negative voltage input terminal, with VM absolute maximum range VDD-28 V to VDD+0.3 V and VDD-VM input voltage range 1.5 V to 28 V. |
| 2 | CO | output | Charge MOSFET control terminal, with CO output voltage absolute maximum range VM-0.3 V to VDD+0.3 V. |
| 3 | DO | output | Discharge MOSFET control terminal, with DO output voltage absolute maximum range VSS-0.3 V to VDD+0.3 V. |
| 4 | VSS | power_in | Power ground terminal, connected to the negative terminal of the supply (battery); VDD-VSS input voltage range is 1.5 V to 8.0 V. |
| 5 | VDD | power_in | Power input terminal, connected to the positive terminal of the supply (battery); VDD-VSS absolute maximum range is VSS-0.3 V to VSS+8.0 V. |
| 6 | VINI | input | Overcurrent detection terminal, with VINI input voltage absolute maximum range VDD-8.0 V to VDD+0.3 V. |
| 7 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | iCM(创芯微) |
| Package | DFN-6L(1.6x1.9) |
| Category | Power Management (PMIC) |
| Pins | 7 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Normal operating current (25°C) | IOPE | 0.9 | 1.8 | 3.5 | μA | VDD=3.5V, VVM=VINI=0V | 6 |
| Overdischarge current (25°C) | IOPED | 0.5 | 0.8 | μA | VDD=VVM=1.5V | 6 | |
| Overcharge detection voltage (25°C) | VOC | 4.505 | 4.525 | 4.545 | V | VDD=3.5 → 4.8V | 6 |
| Overcharge release voltage (25°C) | VOCR | 4.325 | 4.375 | 4.425 | V | 6 | |
| Overdischarge detection voltage (25°C) | VOD | 2.3 | 2.35 | 2.4 | V | VDD=3.5 → 2.0V | 6 |
| Overdischarge release voltage (25°C) | VODR | 2.475 | 2.55 | 2.625 | V | 6 | |
| Discharge overcurrent detection voltage 1 (25°C) | VEC1 | 0.009 | 0.0105 | 0.012 | V | 6 | |
| Discharge overcurrent detection voltage 2 (25°C) | VEC2 | 0.013 | 0.016 | 0.019 | V | 6 | |
| Load short detection voltage 1 (25°C) | VSHORT1 | 0.036 | 0.041 | 0.046 | V | 6 | |
| Charge overcurrent detection voltage (25°C) | VCHA | -0.0165 | -0.015 | -0.0135 | V | 6 | |
| Overcharge detection delay time (25°C) | TOC | 717 | 1024 | 1331 | ms | VDD=3.5 → 4.8V | 6 |
| Overdischarge detection delay time (25°C) | TOD | 44.8 | 64 | 83.2 | ms | VDD=3.5 → 2.0V | 6 |
| Discharge overcurrent detection delay time 1 (25°C) | TEC1 | 2509 | 3584 | 4659 | ms | VINI-VSS=0→0.120V | 6 |
| Discharge overcurrent detection delay time 2 (25°C) | TEC2 | 11.2 | 16 | 20.8 | ms | VINI-VSS=0→0.120V | 6 |
| Charge overcurrent detection delay time (25°C) | TCHA | 11.2 | 16 | 20.8 | ms | VSS-VINI=0→0.120V | 6 |
| Load short detection delay time (25°C) | TSHORT | 168 | 280 | 476 | μs | VINI-VSS=0→0.120V | 6 |
| Overcharge recovery delay time (25°C) | TOCR | 0.7 | 1 | 1.3 | ms | VDD=4.8 → 3.5V | 6 |
| Overdischarge recovery delay time (25°C) | TODR | 0.7 | 1 | 1.3 | ms | VDD=2.0 → 3.5V | 6 |
| Discharge overcurrent recovery delay time (25°C) | TECR | 5.6 | 8 | 10.4 | ms | VINI-VSS=0.120→0V | 6 |
| Charge overcurrent recovery delay time (25°C) | TCHA | 0.7 | 1 | 1.3 | ms | VSS-VINI=0.120→0V | 6 |
| VDD terminal to VSS terminal input voltage (25°C) | VVDD | 1.5 | 8 | V | 6 | ||
| VDD terminal to VM terminal input voltage (25°C) | VVM | 1.5 | 28 | V | 6 | ||
| VDD-VM terminal resistance (25°C) | RVMD | 150 | 300 | 600 | kΩ | VDD=1.8V, VVM=0V | 6 |
| VM-VSS terminal resistance (25°C) | RVMS | 5 | 10 | 15 | kΩ | VDD=3.4V, VVM=1.0V | 6 |
| CO terminal resistance H (25°C) | RCOH | 5 | 10 | 20 | kΩ | 6 | |
| CO terminal resistance L (25°C) | RCOL | 5 | 10 | 20 | kΩ | 6 | |
| DO terminal resistance H (25°C) | RDOH | 5 | 10 | 20 | kΩ | 6 | |
| DO terminal resistance L (25°C) | RDOL | 1 | 2 | 4 | kΩ | 6 | |
| Battery voltage prohibiting charge of 0V battery (25°C) | V0INH | 0.9 | 1.2 | 1.5 | V | 禁止向 0V 电池充电 | 6 |
| Normal operating current (-40°C to +85°C) | IOPE | 0.9 | 1.8 | 4 | μA | VDD=3.5V, VVM=VINI=0V | 8 |
| Overdischarge current (-40°C to +85°C) | IOPED | 0.5 | 1 | μA | VDD=VVM=1.5V | 8 | |
| Overcharge detection voltage (-40°C to +85°C) | VOC | 4.475 | 4.525 | 4.555 | V | VDD=3.5 → 4.8V | 8 |
| Overcharge release voltage (-40°C to +85°C) | VOCR | 4.295 | 4.375 | 4.43 | V | 8 | |
| Overdischarge detection voltage (-40°C to +85°C) | VOD | 2.27 | 2.35 | 2.405 | V | VDD=3.5 → 2.0V | 8 |
| Overdischarge release voltage (-40°C to +85°C) | VODR | 2.44 | 2.55 | 2.65 | V | 8 | |
| Discharge overcurrent detection voltage 1 (-40°C to +85°C) | VEC1 | 0.0085 | 0.0105 | 0.0125 | V | 8 | |
| Discharge overcurrent detection voltage 2 (-40°C to +85°C) | VEC2 | 0.012 | 0.016 | 0.02 | V | 8 | |
| Load short detection voltage 1 (-40°C to +85°C) | VSHORT1 | 0.036 | 0.041 | 0.046 | V | 8 | |
| Charge overcurrent detection voltage (-40°C to +85°C) | VCHA | -0.017 | -0.015 | -0.013 | V | 8 | |
| Overcharge detection delay time (-40°C to +85°C) | TOC | 512 | 1024 | 1536 | ms | VDD=3.5 → 4.8V | 8 |
| Overdischarge detection delay time (-40°C to +85°C) | TOD | 32 | 64 | 96 | ms | VDD=3.5 → 2.0V | 8 |
| Discharge overcurrent detection delay time 1 (-40°C to +85°C) | TEC1 | 1792 | 3584 | 5376 | ms | VINI-VSS=0→0.120V | 8 |
| Discharge overcurrent detection delay time 2 (-40°C to +85°C) | TEC2 | 8 | 16 | 24 | ms | VINI-VSS=0→0.120V | 8 |
| Charge overcurrent detection delay time (-40°C to +85°C) | TCHA | 8 | 16 | 24 | ms | VSS-VINI=0→0.120V | 8 |
| Load short detection delay time (-40°C to +85°C) | TSHORT | 112 | 280 | 504 | μs | VINI-VSS=0→0.120V | 8 |
| Overcharge recovery delay time (-40°C to +85°C) | TOCR | 0.5 | 1 | 1.5 | ms | VDD=4.8 → 3.5V | 8 |
| Overdischarge recovery delay time (-40°C to +85°C) | TODR | 0.5 | 1 | 1.5 | ms | VDD=2.0 → 3.5V | 8 |
| Discharge overcurrent recovery delay time (-40°C to +85°C) | TECR | 4 | 8 | 12 | ms | VINI-VSS=0.120→0V | 8 |
| Charge overcurrent recovery delay time (-40°C to +85°C) | TCHA | 0.5 | 1 | 1.5 | ms | VSS-VINI=0.120→0V | 8 |
| VDD terminal to VSS terminal input voltage (-40°C to +85°C) | VVDD | 1.5 | 8 | V | 8 | ||
| VDD terminal to VM terminal input voltage (-40°C to +85°C) | VVM | 1.5 | 28 | V | 8 | ||
| VDD-VM terminal resistance (-40°C to +85°C) | RVMD | 100 | 300 | 700 | kΩ | VDD=1.8V, VVM=0V | 8 |
| VM-VSS terminal resistance (-40°C to +85°C) | RVMS | 3.5 | 10 | 20 | kΩ | VDD=3.4V, VVM=1.0V | 8 |
| CO terminal resistance H (-40°C to +85°C) | RCOH | 2.5 | 10 | 30 | kΩ | 8 | |
| CO terminal resistance L (-40°C to +85°C) | RCOL | 2.5 | 10 | 30 | kΩ | 8 | |
| DO terminal resistance H (-40°C to +85°C) | RDOH | 2.5 | 10 | 30 | kΩ | 8 | |
| DO terminal resistance L (-40°C to +85°C) | RDOL | 0.5 | 2 | 6 | kΩ | 8 | |
| Battery voltage prohibiting charge of 0V battery (-40°C to +85°C) | V0INH | 0.7 | 1.2 | 1.7 | V | 禁止向 0V 电池充电 | 8 |
| Operating temperature range | TOPR | -40 | 85 | °C | 5 | ||
| Storage temperature range | TSTG | -55 | 125 | °C | 5 |
CAD (KiCad official)
- Symbol:
CM1004-BCD - Footprint:
Package_DFN_QFN:DFN-6-1EP_2x1.6mm_P0.5mm_EP1.15x1.3mm - 3D model: DFN-6L(1.6x1.9), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal QFN height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
cm1004-bcd-etched.step/cm1004-bcd-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cm1004-bcd.step/cm1004-bcd.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: iCM(创芯微) datasheet (21 pp, sha256
aa7bdd59cff448f8, 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).