component
MCP16501TE-E
Public Made by Adomby adom
Microchip Tech Power Management - Specialized, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "mcp16501te-e",
"title": "MCP16501TE-E",
"brief": "Microchip Tech Power Management - Specialized, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"power management (pmic)",
"mcp16501te-e",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MCP16501TE-E",
"manufacturer": "Microchip Tech",
"package": "VQFN-24(4x4)",
"pin_count": 25,
"category": "Power Management (PMIC)",
"subcategory": "Power Management - Specialized",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603079771065118720",
"parts": {
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"distributor_links": {
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},
"distributor_check": {
"checked_at": "2026-10-18T07:17:08Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
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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, typically driven high by the MPU to maintain power after start-up; the MPU drives it low to initiate a PMIC shutdown sequence."
},
{
"number": "4",
"name": "LPM",
"type": "input",
"description": "Low-power mode input which, 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 that is 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 voltage of Buck Channel 2; connect a ceramic capacitor from PVIN2 to PGND2 to localize pulsed current loops and decouple switching noise."
},
{
"number": "8",
"name": "SW2",
"type": "output",
"description": "Switch node of Buck Channel 2 connecting the internal power MOSFETs to the external inductor."
},
{
"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": "output",
"description": "Switch node of Buck Channel 3 connecting the internal power MOSFETs to the external inductor."
},
{
"number": "12",
"name": "PVIN3",
"type": "power_in",
"description": "Power input voltage of Buck Channel 3; connect a ceramic capacitor from PVIN3 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; driving it low initiates a start-up sequence, it is pulled up internally, and a capacitor on this pin can auto-initiate power-up when the main supply rises."
},
{
"number": "15",
"name": "SELV3",
"type": "input",
"description": "Buck Channel 3 output voltage selection pin, a three-state input."
},
{
"number": "16",
"name": "SGND",
"type": "power_in",
"description": "Signal ground; connect to the reference ground plane."
},
{
"number": "17",
"name": "VIN",
"type": "power_in",
"description": "Input voltage for the LDO and analog control circuitry; decouple VIN to SGND with a 2.2 µF (minimum) ceramic capacitor. Input range is 2.7 V to 5.5 V per the features list."
},
{
"number": "18",
"name": "LOUT",
"type": "power_out",
"description": "LDO output; decouple LOUT 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 to LOUT for output voltage adjustment."
},
{
"number": "20",
"name": "SELV2",
"type": "input",
"description": "Buck Channel 2 output voltage selection pin, a 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": "output",
"description": "Switch node of Buck Channel 1 connecting the internal power MOSFETs to the external inductor."
},
{
"number": "24",
"name": "PVIN1",
"type": "power_in",
"description": "Power input voltage of Buck Channel 1; connect a ceramic capacitor from PVIN1 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": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The exposed pad is printed as '—' in the pin table, not as a numbered pin; it is listed here as 'EP'; The MPN suffix 'TE' and the ordering/device-option table for MCP16501TE-E are not in the supplied pa; Pin types for OUT1/2/3 (regulation sense), SW1/2/3 (switch nodes), and SELV2/SELV3 (three-state sele",
"exposed pad 25 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 10,
"cost_usd": 0.0578,
"at": "2026-10-18T07:15:27"
},
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"sha256": "5c445b036636e530",
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},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mcp16501te-e-etched.step",
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},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "VQFN-24(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "25"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
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"name": "VIN to SGND",
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"kind": "absolute_maximum",
"unit": "V",
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"typ": null,
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{
"name": "Power Supply Voltage Pins PVINx to PGNDx",
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{
"name": "Power Supply Voltage Pins PVINx to VIN",
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{
"name": "LOUT Pin to GND",
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},
{
"name": "LFB Sense Pins to SGND",
"symbol": "",
"kind": "absolute_maximum",
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"min": -0.3,
"typ": null,
"max": null,
"conditions": "Max printed as VVIN + 0.3V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "OUTx Sense Pins to SGND",
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{
"name": "Output Switch Voltage SWx to PGNDx",
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"max": null,
"conditions": "Max printed as VPVINx + 0.3V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "PGNDx to SGND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "nSTRT, SELV2, SELV3 to SGND",
"symbol": "",
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"min": -0.3,
"typ": null,
"max": null,
"conditions": "Max printed as VVIN + 0.3V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "LPM, LEN, PWRHLD, nRSTO, nSTRTO to SGND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum Junction Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD Protection HBM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD Protection CDM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 750,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply Voltage Range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Undervoltage Lockout Threshold",
"symbol": "VUVLO_TH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": 2.55,
"max": 2.7,
"conditions": "Turn-on",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown (OFF) Current",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 7,
"max": 10,
"conditions": "PWRHLD = LPM = 0, nSTRT, nRSTO, nSTRTO floating, VIN = 5.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown (OFF) Current, TJ = -40°C to +105°C",
"symbol": "ISHDN_105",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 4.5,
"max": 6,
"conditions": "PWRHLD = LPM = 0, nSTRT, nRSTO, nSTRTO floating, VIN = 4.5V, TJ = -40°C to +105°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Hibernate Mode Non-Switching Quiescent Current",
"symbol": "IQNS_HIB1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 110,
"max": 150,
"conditions": "IOUT2 = 0 mA, Buck2 ON, all other channels off, VOUT2 >VOUT2_NOM, LPM = 1, PWRHLD = 0",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input Operating Voltage Range (Buck1)",
"symbol": "VPVIN1",
"kind": "electrical",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "PVIN1 Shutdown Current",
"symbol": "IPVIN1_SHDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.05,
"max": 2,
"conditions": "Regulator disabled, VPVIN1 = 5V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output Voltage Accuracy, FPWM (Buck1)",
"symbol": "ACC_OUTPWM1",
"kind": "electrical",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "IOUT1 = 0 mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output Voltage Accuracy, Auto-PFM (Buck1)",
"symbol": "ACC_OUTPFM1",
"kind": "electrical",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "IOUT1 = 0 mA, HCM OFF",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Hysteretic Control Mode Upper Regulation Threshold, Auto-PFM (MCP16501E only)",
"symbol": "HCM_TH",
"kind": "electrical",
"unit": "%",
"min": 1.7,
"typ": 2.9,
"max": 4.3,
"conditions": "IOUT1 = 0 mA, PWRHLD = LPM = 1, VIN = PVIN1 = 1.06 x VOUT1_NOM, OUT1 rising, % of VOUT1_NOM",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Hysteretic Control Mode Enable Threshold, Auto-PFM (MCP16501E only)",
"symbol": "HCM_EN",
"kind": "electrical",
"unit": "%",
"min": 5,
"typ": 9,
"max": 13,
"conditions": "IOUT1 = 0 mA, PWRHLD = LPM = 1, VIN = PVIN1 falling, % of VOUT1_NOM",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Switching Frequency (Buck1)",
"symbol": "fsw",
"kind": "electrical",
"unit": "MHz",
"min": 1.8,
"typ": 2,
"max": 2.2,
"conditions": "FPWM",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Maximum Duty Cycle (Buck1)",
"symbol": "DMAX",
"kind": "electrical",
"unit": "%",
"min": 100,
"typ": null,
"max": null,
"conditions": "Functionality test",
"source_page": 7,
"source": "datasheet"
},
{
"name": "High-Side Switch On-Resistance (Buck1)",
"symbol": "RDSonP1",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 140,
"max": 160,
"conditions": "PVIN1 = VIN = 3.6V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Low-Side Switch On-Resistance (Buck1)",
"symbol": "RDSonN1",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 120,
"max": 140,
"conditions": "PVIN1 = VIN = 3.6V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Start-up POK Bypass Threshold (Buck1)",
"symbol": "VPOKB_TH_B1",
"kind": "electrical",
"unit": "mV",
"min": 360,
"typ": 400,
"max": 440,
"conditions": "PVIN1 – OUT1, OUT1 rising, PVIN1 = 3.0V, VOUT1_NOM = 3.3V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "High-Side Peak Current Limit (Cycle by Cycle) (Buck1)",
"symbol": "ILIM_HS1",
"kind": "electrical",
"unit": "A",
"min": 1.2,
"typ": 1.8,
"max": 2.4,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Low-Side Negative Peak Current Limit (FPWM) (Buck1)",
"symbol": "ILIM_NEG1",
"kind": "electrical",
"unit": "A",
"min": -1.4,
"typ": -1,
"max": -0.8,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Zero Current Detection Threshold (Buck1)",
"symbol": "IZCD1",
"kind": "electrical",
"unit": "mA",
"min": 0,
"typ": 50,
"max": 110,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "PVINx Shutdown Current (Buck2, Buck3)",
"symbol": "IPVINx_SHDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.05,
"max": 2,
"conditions": "Regulator disabled, PVINx = 5V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output Voltage Accuracy, FPWM (Buck2, Buck3)",
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