component
PT6303SESOH-AC
Public Made by Adomby adom
PowTech CR PowTech Shanghai Battery Management, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "PT6303SESOH-AC",
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"mpn": "PT6303SESOH-AC",
"manufacturer": "PowTech CR PowTech Shanghai",
"package": "SOP-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
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"type": "power_in",
"description": "Chip supply pin; the recommended supply voltage is 3.2 V to 15 V, and the absolute maximum VCC is VSS-0.3 V to VSS+25 V."
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{
"number": "2",
"name": "B3",
"type": "input",
"description": "Positive input of the third cell and negative input of the stack's top cell voltage sense; cell input range is 2.0 V to 4.5 V recommended, and B3 is limited to VSS-0.3 V to VCC+0.3 V."
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{
"number": "3",
"name": "B2",
"type": "input",
"description": "Negative input of the third cell and positive input of the second cell; B2-B1 and B3-B2 voltages are limited to a minimum of -5 V."
},
{
"number": "4",
"name": "B1",
"type": "input",
"description": "Negative input of the second cell and positive input of the first cell; B1 is limited to VSS-0.3 V to VCC+0.3 V."
},
{
"number": "5",
"name": "VSS",
"type": "power_in",
"description": "Negative terminal of the first cell and the chip ground reference for the device."
},
{
"number": "6",
"name": "LM",
"type": "input",
"description": "Multi-function pin for discharge over-current voltage sensing (PDOC1 at 50/75/100/150 mV, PDOC2 at 2x PDOC1, short-circuit at 4x PDOC1), load-open detection (VLMTH 0.75 V) and charger detection; its absolute range is VSS-0.3 V to VCC+0.3 V and it sinks up to 70 µA at VLM = 5 V."
},
{
"number": "7",
"name": "DDR",
"type": "output",
"description": "Discharge MOSFET gate driver output that swings between VSS (off) and VCC (on), sourcing up to 3 mA and sinking up to 5 mA, with a voltage range of VSS-0.3 V to VCC+0.3 V."
},
{
"number": "8",
"name": "CDR",
"type": "output",
"description": "Charge MOSFET gate driver output that is pulled up with 6 µA when the charge MOSFET is on, with a voltage range of VCC-25 V to VCC+0.3 V."
}
],
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The MPN suffix in the request is PT6303SESOH-AC, but the datasheet ordering table lists only PT6303S; Pin types are not stated in the datasheet and were assigned by me under KiCad ERC classes: VCC and V; Pin descriptions for B1-B3 and LM combine values from the Chinese electrical-parameter and absolute-"
],
"pages_sent": 10,
"cost_usd": 0.0486,
"at": "2026-10-19T01:50:19"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"metadata": {
"specs": {
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"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
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"name": "VCC working voltage (VCC-GND)",
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"name": "Startup voltage (VCC rising edge)",
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{
"name": "Cell voltage detection period",
"symbol": "TSCN",
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"unit": "S",
"min": 0.35,
"typ": 0.5,
"max": 0.65,
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{
"name": "Cell overcharge detection voltage accuracy",
"symbol": "VCOV",
"kind": "tolerance",
"unit": "mV",
"min": -25,
"typ": null,
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"conditions": "Cell voltage rising, no protection event; VCOV 4.2-4.375 V selectable, 25mV/step",
"source_page": 5,
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{
"name": "Cell overcharge release voltage accuracy",
"symbol": "VCOVR",
"kind": "tolerance",
"unit": "mV",
"min": -25,
"typ": null,
"max": 25,
"conditions": "After COV event, cell voltage falling; VCOVR=VCOV-VΔCOV, VΔCOV 0-300 mV",
"source_page": 5,
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{
"name": "Cell over-discharge detection voltage accuracy",
"symbol": "VCUV",
"kind": "tolerance",
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"typ": null,
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{
"name": "Cell over-discharge release voltage accuracy",
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"conditions": "After CUV event, cell voltage rising; VCUVR=VCUV+VΔCUV, VΔCUV 0.3-0.9 V",
"source_page": 5,
"source": "datasheet"
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{
"name": "Discharge overcurrent 1 detection voltage accuracy",
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{
"name": "Discharge overcurrent 1 trigger delay",
"symbol": "TPDOC1",
"kind": "timing",
"unit": "S",
"min": 0.7,
"typ": 1,
"max": 1.3,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Discharge overcurrent 2 detection voltage accuracy",
"symbol": "VPDOC2",
"kind": "tolerance",
"unit": "mV",
"min": -20,
"typ": null,
"max": 20,
"conditions": "LM pin voltage rising; VPDOC2 = 2*VPDOC1",
"source_page": 5,
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{
"name": "Short-circuit detection voltage accuracy",
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"conditions": "LM pin voltage rising; VPSC = 4*VPDOC1",
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"source": "datasheet"
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{
"name": "Short-circuit trigger delay",
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"kind": "timing",
"unit": "μS",
"min": 200,
"typ": 250,
"max": 300,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Cell input voltage (Cell1, Cell2, Cell3)",
"symbol": "VCEL1-3",
"kind": "recommended_operating",
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"min": 2,
"typ": null,
"max": 4.5,
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"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
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"name": "Supply voltage",
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"min": 3.2,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 4,
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{
"name": "Power dissipation",
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"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
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"source_page": 4,
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{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
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