component
MCP16501TA-E
Public Made by Adomby adom
Microchip Tech Power Management Specialized - PMIC, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "MCP16501TA-E",
"manufacturer": "Microchip Tech",
"package": "VQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Power Management ICs",
"subcategory": "Power Management Specialized - PMIC",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6784691cec59a8f69c5aadb38b929aab.pdf",
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"distributor_links": {
"lcsc": "C1513068"
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"checked_at": "2026-10-27T09:38:32Z",
"source": "Component Ocean /api/assign-pns",
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"pn": null,
"status": "quota"
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"pins": [
{
"number": "1",
"name": "OUT1",
"type": "input",
"description": "Output sensing for Buck Channel 1; connect to the regulation point for VOUT1."
},
{
"number": "2",
"name": "nRSTO",
"type": "output",
"description": "Active-low, open-drain reset output."
},
{
"number": "3",
"name": "PWRHLD",
"type": "input",
"description": "Power hold input, asserted high by the MPU to maintain power after nSTRT start-up and driven low by the MPU to initiate a PMIC shutdown sequence."
},
{
"number": "4",
"name": "LPM",
"type": "input",
"description": "Low-power mode input that, in combination with PWRHLD, defines the power mode status of the MCP16501."
},
{
"number": "5",
"name": "nSTRTO",
"type": "output",
"description": "Active-low, open-drain start event output, asserted low whenever nSTRT is low."
},
{
"number": "6",
"name": "OUT2",
"type": "input",
"description": "Output sensing for Buck Channel 2; connect to the regulation point for VOUT2."
},
{
"number": "7",
"name": "PVIN2",
"type": "power_in",
"description": "Power input of Buck Channel 2; connect a ceramic capacitor to PGND2 to localize pulsed current loops and decouple switching noise."
},
{
"number": "8",
"name": "SW2",
"type": "passive",
"description": "Switch node of Buck Channel 2 with internal power MOSFET switches and external inductor connection."
},
{
"number": "9",
"name": "PGND2",
"type": "power_in",
"description": "Power ground of Buck Channel 2."
},
{
"number": "10",
"name": "PGND3",
"type": "power_in",
"description": "Power ground of Buck Channel 3."
},
{
"number": "11",
"name": "SW3",
"type": "passive",
"description": "Switch node of Buck Channel 3 with internal power MOSFET switches and external inductor connection."
},
{
"number": "12",
"name": "PVIN3",
"type": "power_in",
"description": "Power input of Buck Channel 3; connect a ceramic capacitor to PGND3 to localize pulsed current loops and decouple switching noise."
},
{
"number": "13",
"name": "OUT3",
"type": "input",
"description": "Output sensing for Buck Channel 3; connect to the regulation point for VOUT3."
},
{
"number": "14",
"name": "nSTRT",
"type": "input",
"description": "Start event input, driven low to initiate a start-up sequence, pulled up internally (40 kΩ typical); a capacitor can be added for automatic power-up when the main supply rises."
},
{
"number": "15",
"name": "SELV3",
"type": "input",
"description": "Buck Channel 3 output voltage selection, three-state input."
},
{
"number": "16",
"name": "SGND",
"type": "power_in",
"description": "Signal ground; connect to reference ground plane."
},
{
"number": "17",
"name": "VIN",
"type": "power_in",
"description": "Input voltage for the LDO and analog control circuitry (2.7V to 5.5V), decoupled to SGND with a 2.2 µF minimum ceramic capacitor."
},
{
"number": "18",
"name": "LOUT",
"type": "power_out",
"description": "LDO output, decoupled to ground with a 2.2 µF minimum ceramic capacitor."
},
{
"number": "19",
"name": "LFB",
"type": "input",
"description": "LDO feedback pin; connect to an external resistor divider from LOUT for output voltage adjustment."
},
{
"number": "20",
"name": "SELV2",
"type": "input",
"description": "Buck Channel 2 output voltage selection, three-state input."
},
{
"number": "21",
"name": "LEN",
"type": "input",
"description": "LDO enable input."
},
{
"number": "22",
"name": "PGND1",
"type": "power_in",
"description": "Power ground of Buck Channel 1."
},
{
"number": "23",
"name": "SW1",
"type": "passive",
"description": "Switch node of Buck Channel 1 with internal power MOSFET switches and external inductor connection."
},
{
"number": "24",
"name": "PVIN1",
"type": "power_in",
"description": "Power input of Buck Channel 1; connect a ceramic capacitor to PGND1 to localize pulsed current loops and decouple switching noise."
},
{
"number": "25",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 (e.g., SW pins as passive, OUTx sense as input, EP as power_in ground) are inferred from t; MCP16501TA-E is the E option (Hysteretic Control Mode); the pin table is common to all MCP16501 vari"
],
"pages_sent": 10,
"cost_usd": 0.1024,
"at": "2026-10-27T09:38:15"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/6784691cec59a8f69c5aadb38b929aab.pdf",
"pages": 42,
"sha256": "5c445b036636e530",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
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