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CM1004-BCD

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iCM(创芯微) Battery Management, DFN-6L(1.6x1.9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CM1004-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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cm1004-bcd.step / cm1004-bcd.glb are 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, 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