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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"number": "1",
"name": "OUT1",
"type": "input",
"description": "Output sensing for Buck Channel 1; connect to the regulation point for VOUT1."
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{
"number": "2",
"name": "nRSTO",
"type": "output",
"description": "Active-low, open-drain reset output."
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{
"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."
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{
"number": "4",
"name": "LPM",
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"description": "Low-power mode input that, in combination with PWRHLD, defines the power mode status of the MCP16501."
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{
"number": "5",
"name": "nSTRTO",
"type": "output",
"description": "Active-low, open-drain start event output, asserted low whenever nSTRT is low."
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{
"number": "6",
"name": "OUT2",
"type": "input",
"description": "Output sensing for Buck Channel 2; connect to the regulation point for VOUT2."
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{
"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."
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{
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{
"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."
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{
"number": "13",
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"description": "Output sensing for Buck Channel 3; connect to the regulation point for VOUT3."
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{
"number": "14",
"name": "nSTRT",
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"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."
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{
"number": "15",
"name": "SELV3",
"type": "input",
"description": "Buck Channel 3 output voltage selection, three-state input."
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{
"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."
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{
"number": "18",
"name": "LOUT",
"type": "power_out",
"description": "LDO output, decoupled to ground with a 2.2 µF minimum ceramic capacitor."
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{
"number": "19",
"name": "LFB",
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"description": "LDO feedback pin; connect to an external resistor divider from LOUT for output voltage adjustment."
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{
"number": "20",
"name": "SELV2",
"type": "input",
"description": "Buck Channel 2 output voltage selection, three-state input."
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{
"number": "21",
"name": "LEN",
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"description": "LDO enable input."
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"number": "24",
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"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)."
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"name": "Supply Voltage Range",
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{
"name": "Hibernate Mode Non-Switching Quiescent Current",
"symbol": "IQNS_HIB1",
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{
"name": "PVIN1 Shutdown Current",
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"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.05,
"max": 2,
"conditions": "Regulator disabled, VPVIN1 = 5V",
"source_page": 6,
"source": "datasheet"
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{
"name": "Buck1 Output Voltage Accuracy, FPWM",
"symbol": "ACC_OUTPWM1",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "IOUT1 = 0 mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Buck1 Output Voltage Accuracy, Auto-PFM",
"symbol": "ACC_OUTPFM1",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "IOUT1 = 0 mA, HCM OFF",
"source_page": 6,
"source": "datasheet"
},
{
"name": "HCM Upper Regulation Threshold (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": "HCM Enable Threshold (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": "Buck1 Switching Frequency",
"symbol": "fsw",
"kind": "electrical",
"unit": "MHz",
"min": 1.8,
"typ": 2,
"max": 2.2,
"conditions": "FPWM",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Buck1 Maximum Duty Cycle",
"symbol": "DMAX",
"kind": "electrical",
"unit": "%",
"min": 100,
"typ": null,
"max": null,
"conditions": "Functionality test",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Buck1 High-Side Switch On-Resistance",
"symbol": "RDSonP1",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 140,
"max": 160,
"conditions": "PVIN1 = VIN = 3.6V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Buck1 Low-Side Switch On-Resistance",
"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",
"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"
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{
"name": "Buck1 High-Side Peak Current Limit",
"symbol": "ILIM_HS1",
"kind": "electrical",
"unit": "A",
"min": 1.2,
"typ": 1.8,
"max": 2.4,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Buck1 Low-Side Negative Peak Current Limit",
"symbol": "ILIM_NEG1",
"kind": "electrical",
"unit": "A",
"min": -1.4,
"typ": -1,
"max": -0.8,
"conditions": "",
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"source": "datasheet"
},
{
"name": "Buck1 Zero Current Detection Threshold",
"symbol": "IZCD1",
"kind": "electrical",
"unit": "mA",
"min": 0,
"typ": 50,
"max": 110,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Buck2/3 Input Operating Voltage Range",
"symbol": "VPVINx",
"kind": "electrical",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "PVINx Shutdown Current",
"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": "Buck2/3 Output Voltage Accuracy, FPWM",
"symbol": "ACC_OUTPWMx",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "IOUTx = 0 mA, 0.9V ≤ VOUTx ≤ 1.3V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Buck2/3 Output Voltage Accuracy, FPWM",
"symbol": "ACC_OUTPWMx",
"kind": "tolerance",
"unit": "%",
"min": -1.5,
"typ": null,
"max": 1.5,
"conditions": "IOUTx = 0 mA, VOUTx < 0.9V or VOUTx > 1.3V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Buck2/3 Output Voltage Accuracy, Auto-PFM",
"symbol": "ACC_OUTPFMx",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "IOUTx = 0 mA, 0.9V ≤ VOUTx ≤ 1.3V",
"source_page": 7,
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},
{
"name": "Buck2/3 Output Voltage Accuracy, Auto-PFM",
"symbol": "ACC_OUTPFMx",
"kind": "tolerance",
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"typ": null,
"max": 1.5,
"conditions": "IOUTx = 0 mA, VOUTx < 0.9V or VOUTx > 1.3V",
"source_page": 7,
"source": "datasheet"
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{
"name": "Buck2/3 Switching Frequency",
"symbol": "fsw",
"kind": "electrical",
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"min": 1.8,
"typ": 2,
"max": 2.2,
"conditions": "FPWM",
"source_page": 7,
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{
"name": "Buck2/3 Maximum Duty Cycle",
"symbol": "DMAX",
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"min": 100,
"typ": null,
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"conditions": "Functionality test",
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"source": "datasheet"
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{
"name": "Buck2/3 High-Side Switch On-Resistance",
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"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 140,
"max": 160,
"conditions": "PVINx = VIN = 3.6V",
"source_page": 8,
"source": "datasheet"
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{
"name": "Buck2/3 Low-Side Switch On-Resistance",
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"min": null,
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"name": "Buck2/3 High-Side Peak Current Limit",
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"name": "Buck2/3 Low-Side Negative Peak Current Limit",
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"name": "LDO Input Operating Voltage Range",
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{
"name": "LDO Output Voltage Range",
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