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CM1250-BNA-M8A
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iCM(创芯微) Battery Management, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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"title": "CM1250-BNA-M8A",
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"description": "Chip supply terminal, rated VSS-0.3 V to VSS+30 V absolute maximum, with normal-mode current of 3.5 µA typical at Ta = +25 °C."
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{
"number": "2",
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{
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{
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"description": "Positive voltage terminal of battery cell 3 and negative voltage terminal of cell 2 for overcharge detection, rated 0 to 12 V absolute maximum per cell."
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{
"number": "5",
"name": "VC4",
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"description": "Positive voltage terminal of battery cell 4 and negative voltage terminal of cell 3 for overcharge detection, rated 0 to 12 V absolute maximum per cell."
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{
"number": "6",
"name": "VC5",
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"description": "Positive voltage terminal of battery cell 5 and negative voltage terminal of cell 4 for overcharge detection, rated 0 to 12 V absolute maximum per cell."
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{
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"name": "VSS",
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"description": "Negative voltage terminal of battery cell 5 and chip ground, the reference for the VCC and CO absolute maximum ratings."
},
{
"number": "8",
"name": "CO",
"type": "output",
"description": "Charge-control output that drives the external MOSFET, rated VSS-0.3 V to VCC+0.3 V absolute maximum; this M8A variant (CM1250-BNA-M8A) is specified with a 10.5 V high-level output potential."
}
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],
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"unit": "μA",
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"max": 1.5,
"conditions": "Ta=+25°C; VC1=VC2=VC3=VC4=3.5V, VC5=3.5V",
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"name": "Current into VC5",
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"conditions": "Ta=-20°C~+60°C; VC1=VC2=VC3=VC4=3.5V, VC5=3.5V",
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"name": "Overcharge release voltage (offset from VOCR; VOC-VOCR<0.250V row)",
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"name": "Overcharge recovery delay",
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"conditions": "Ta=-20°C~+60°C; VC1=VC2=VC3=VC4=3.5V, VC5=4.4→3.5V",
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"max": 4,
"conditions": "Ta=-20°C~+60°C",
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"name": "CO high-level output potential (10.5 V option)",
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"conditions": "Ta=-20°C~+60°C",
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"name": "CO sink current (CMOS product)",
"symbol": "ICOL",
"kind": "electrical",
"unit": "mA",
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"typ": null,
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"conditions": "Ta=-20°C~+60°C",
"source_page": 9,
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"name": "Supply current (VCC)",
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"conditions": "Ta=-40°C~+85°C; VC1=VC2=VC3=VC4=3.5V, VC5=3.5V",
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{
"name": "Current into VC2",
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"kind": "electrical",
"unit": "μA",
"min": 0,
"typ": 0.8,
"max": 2,
"conditions": "Ta=-40°C~+85°C; VC1=VC2=VC3=VC4=3.5V, VC5=3.5V",
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"name": "Current into VC3",
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"conditions": "Ta=-40°C~+85°C; VC1=VC2=VC3=VC4=3.5V, VC5=3.5V",
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"name": "Current into VC4",
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"conditions": "Ta=-40°C~+85°C; VC1=VC2=VC3=VC4=3.5V, VC5=3.5V",
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"name": "Current into VC5",
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"conditions": "Ta=-40°C~+85°C; VC1=VC2=VC3=VC4=3.5V, VC5=3.5V",
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"name": "Overcharge release voltage (offset from VOCR; VOC-VOCR<0.250V row)",
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"name": "Supply voltage (VCC, relative to VSS)",
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{
"name": "Cell voltage (VC1-VC2, VC2-VC3, VC3-VC4, VC4-VC5, VC5-VSS)",
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"kind": "absolute_maximum",
"unit": "V",
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"name": "CO output terminal voltage (min relative to VSS, max relative to VCC)",
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"typ": null,
"max": 0.3,
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{
"name": "Operating ambient temperature",
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