component
N9105ESOP-AA
Public Made by Adomby adom
PowTech(CR-PowTech(Shanghai)) Battery Management ICs, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "N9105ESOP-AA",
"manufacturer": "PowTech(CR-PowTech(Shanghai))",
"package": "SOP-16",
"pin_count": 16,
"category": "Power Management ICs",
"subcategory": "Battery Management ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f024f74662d62d7717cf45cc7aa4ca27.pdf",
"parts": {
"symbol": "n9105esop-aa.kicad_sym",
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"model_3d_step": "n9105esop-aa-etched.step",
"model_3d_step_plain": "n9105esop-aa.step",
"lbr": "n9105esop-aa.lbr"
},
"distributor_links": {
"lcsc": "C272762"
},
"distributor_check": {
"checked_at": "2026-10-30T12:08:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "NCDRV",
"type": "output",
"description": "Charge N-MOSFET gate drive output, Hi-Z on a charge protection event, with 4-8 µA output current capability and a voltage range of VCC-35 V to VCC+0.3 V."
},
{
"number": "2",
"name": "VM",
"type": "input",
"description": "Load-open detection and charger detection pin, with 50 µA sink capability for load-open detection and a voltage range of VSS-0.3 V to VCC+0.3 V."
},
{
"number": "3",
"name": "NDDRV",
"type": "output",
"description": "Discharge N-MOSFET gate drive output, equal to VVREGH (8.0 to 13 V) when no discharge protection event and 0.4 V max when a discharge protection event occurs."
},
{
"number": "4",
"name": "CS",
"type": "input",
"description": "Current sense voltage input for the three-stage discharge overcurrent detection, with a voltage range of VSS-0.3 V to VSS+5.5 V."
},
{
"number": "5",
"name": "CUVT",
"type": "passive",
"description": "External capacitor pin that sets the cell undervoltage protection delay (TCUV = 10 s/µF), sleep delay and overcurrent 1/2 delays, with a voltage range of VSS-0.3 V to VSS+5.5 V."
},
{
"number": "6",
"name": "COVT",
"type": "passive",
"description": "External capacitor pin that sets the cell overvoltage protection delay (TCOV = 10 s/µF) and temperature detection period, with a voltage range of VSS-0.3 V to VSS+5.5 V."
},
{
"number": "7",
"name": "VSS",
"type": "power_in",
"description": "Negative supply input of the chip (ground reference)."
},
{
"number": "8",
"name": "TS",
"type": "input",
"description": "Temperature sensing voltage input for the NTC thermistor, with a voltage range of VSS-0.3 V to VSS+5.5 V."
},
{
"number": "9",
"name": "VTD",
"type": "passive",
"description": "Discharge over-temperature threshold setting pin, set by external resistor R1 = 9*RDOT, with a voltage range of VSS-0.3 V to VSS+5.5 V."
},
{
"number": "10",
"name": "VTC",
"type": "passive",
"description": "Charge over-temperature and charge low-temperature threshold setting pin, set by external resistor R2 = 4.75*RCOT, with a voltage range of VSS-0.3 V to VSS+5.5 V."
},
{
"number": "11",
"name": "VC1",
"type": "input",
"description": "Cell 1 positive and cell 2 negative input, with a cell voltage range of -0.3 to +8 V."
},
{
"number": "12",
"name": "VC2",
"type": "input",
"description": "Cell 2 positive and cell 3 negative input, with a cell voltage range of -0.3 to +8 V."
},
{
"number": "13",
"name": "VC3",
"type": "input",
"description": "Cell 3 positive and cell 4 negative input, with a cell voltage range of -0.3 to +8 V."
},
{
"number": "14",
"name": "VC4",
"type": "input",
"description": "Cell 4 positive and cell 5 negative input, with a cell voltage range of -0.3 to +8 V."
},
{
"number": "15",
"name": "VC5",
"type": "input",
"description": "Cell 5 positive input, with a cell voltage range of -0.3 to +8 V."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Positive supply input of the chip connected to the battery pack positive terminal, with an operating range of 4.0 to 25 V and an absolute maximum of VSS+35 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin types were inferred from the functional descriptions because the datasheet gives no electrical p; In the pin diagram on page 3, pin 14's label is garbled in the extracted text ('141' with 'VC4' disp"
],
"pages_sent": 10,
"cost_usd": 0.1122,
"at": "2026-10-30T12:07:57"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/f024f74662d62d7717cf45cc7aa4ca27.pdf",
"pages": 10,
"sha256": "37060a9434517c7e",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"models_3d": [
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"file": "n9105esop-aa.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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9.9,
1.75
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"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
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"checked": "2026-10-30",
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},
{
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],
"package_dims": {
"package_code": "SOP-16",
"source_page": 9,
"D": {
"nom_mm": 9.9,
"range_mm": [
9.7,
10.1
]
},
"E1": {
"nom_mm": 3.9,
"range_mm": [
3.7,
4.1
]
},
"E": {
"nom_mm": 6.0,
"range_mm": [
5.8,
6.2
]
},
"e": {
"nom_mm": 1.27,
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null,
null
]
},
"A": {
"nom_mm": 1.77,
"range_mm": [
null,
1.77
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
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"verdict": "PASS",
"reasons": [
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}