component
ISL62771HRTZ
Public Made by Adomby adom
RENESAS Power Management - Specialized, TQFN-40(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "isl62771hrtz",
"title": "ISL62771HRTZ",
"brief": "RENESAS Power Management - Specialized, TQFN-40(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"isl62771hrtz",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ISL62771HRTZ",
"manufacturer": "RENESAS",
"package": "TQFN-40(5x5)",
"pin_count": 41,
"category": "Power Management (PMIC)",
"subcategory": "Power Management - Specialized",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9d254fb741104937f520f022f8d809a3.pdf",
"parts": {
"symbol": "isl62771hrtz.kicad_sym",
"footprint": "isl62771hrtz.kicad_mod",
"model_3d": "isl62771hrtz-hero.glb",
"model_3d_plain": "isl62771hrtz-etched.glb",
"model_3d_step": "isl62771hrtz-etched.step",
"model_3d_step_plain": "isl62771hrtz.step",
"lbr": "isl62771hrtz.lbr"
},
"distributor_links": {
"lcsc": "C17654673",
"digikey": "ISL62771HRTZ-ND",
"mouser": "968-ISL62771HRTZ"
},
"distributor_check": {
"checked_at": "2026-10-30T22:54:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ISL62771HRTZ-ND",
"status": "found"
},
"mouser": {
"pn": "968-ISL62771HRTZ",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "NTC_NB",
"type": "input",
"description": "Thermistor input to the VR_HOT_L circuit that monitors Northbridge VR temperature."
},
{
"number": "2",
"name": "IMON_NB",
"type": "output",
"description": "Northbridge output current monitor; a current proportional to the Northbridge VR output current is sourced from this pin."
},
{
"number": "3",
"name": "SVC",
"type": "input",
"description": "Serial VID clock input from the CPU processor master device."
},
{
"number": "4",
"name": "VR_HOT_L",
"type": "output",
"description": "Thermal indicator signal to the AMD CPU; thermal overload open-drain output, active LOW."
},
{
"number": "5",
"name": "SVD",
"type": "bidirectional",
"description": "Serial VID data bidirectional signal between the CPU processor master device and the VR."
},
{
"number": "6",
"name": "VDDIO",
"type": "power_in",
"description": "Processor memory interface power rail; this pin serves as the reference to the controller IC for the processor I/O signal level."
},
{
"number": "7",
"name": "SVT",
"type": "output",
"description": "Serial VID Telemetry data line from the controller IC to the CPU, which also provides the telemetry and VID-on-the-fly complete signal."
},
{
"number": "8",
"name": "ENABLE",
"type": "input",
"description": "Enable input; a high logic level on this pin enables both VRs."
},
{
"number": "9",
"name": "PWROK",
"type": "input",
"description": "System power-good input; when high the SVI 2 interface is active, and this pin must be low before the ISL62771 PGOOD output goes high."
},
{
"number": "10",
"name": "IMON",
"type": "output",
"description": "Core output current monitor; a current proportional to the Core VR output current is sourced from this pin."
},
{
"number": "11",
"name": "NTC",
"type": "input",
"description": "Thermistor input to the VR_HOT_L circuit that monitors Core VR temperature."
},
{
"number": "12",
"name": "ISEN2",
"type": "input",
"description": "Individual current sensing for Channel 2 of the Core VR; pulling ISEN2 to +5V disables Channel 2 and the Core VR runs in single-phase mode."
},
{
"number": "13",
"name": "ISEN1",
"type": "input",
"description": "Individual current sensing for Channel 1 of the Core VR; if ISEN2 is tied to +5V this pin cannot be left open and must be tied to GND with a 10kΩ resistor, and if ISEN1 is tied to +5V the Core portion of the IC is shut down."
},
{
"number": "14",
"name": "ISUMP",
"type": "input",
"description": "Noninverting input of the transconductance amplifier for current monitor and load line of the Core output."
},
{
"number": "15",
"name": "ISUMN",
"type": "input",
"description": "Inverting input of the transconductance amplifier for current monitor and load line of the Core output."
},
{
"number": "16",
"name": "VSEN",
"type": "input",
"description": "Output voltage sense pin for the Core controller; connect to the +sense pin of the microprocessor die."
},
{
"number": "17",
"name": "RTN",
"type": "input",
"description": "Output voltage sense return pin for both the Core VR and Northbridge VR; connect to the -sense pin of the microprocessor die."
},
{
"number": "18",
"name": "FB",
"type": "input",
"description": "Output voltage feedback to the inverting input of the Core controller error amplifier."
},
{
"number": "19",
"name": "COMP",
"type": "output",
"description": "Core controller error amplifier output; a resistor from COMP to GND sets the Core VR offset voltage."
},
{
"number": "20",
"name": "PGOOD",
"type": "output",
"description": "Open-drain output indicating the Core portion of the IC is ready to supply regulated voltage; pull up externally to VDD or 3.3V through a resistor."
},
{
"number": "21",
"name": "BOOT1",
"type": "passive",
"description": "Connect an MLCC capacitor across BOOT1 and PHASE1; the boot capacitor is charged through an internal boot diode from VDDP each time PHASE1 drops below VDDP minus the diode drop."
},
{
"number": "22",
"name": "UGATE1",
"type": "output",
"description": "Output of the Phase 1 high-side MOSFET gate driver of the Core VR; connect to the gate of the Phase 1 high-side MOSFET(s)."
},
{
"number": "23",
"name": "PHASE1",
"type": "passive",
"description": "Current return path for the Phase 1 high-side MOSFET gate driver of VR1; connect to the node of the high-side MOSFET source, low-side MOSFET drain and Phase 1 output inductor."
},
{
"number": "24",
"name": "LGATE1",
"type": "output",
"description": "Output of the Phase 1 low-side MOSFET gate driver of the Core VR; connect to the gate of the Phase 1 low-side MOSFET(s)."
},
{
"number": "25",
"name": "VDD",
"type": "power_in",
"description": "5V bias power; use a resistor [2Ω] and a decoupling capacitor from the +5V supply, with a high quality X7R MLCC recommended."
},
{
"number": "26",
"name": "VDDP",
"type": "power_in",
"description": "Input voltage bias for the internal gate drivers; connect +5V to this pin and decouple with at least 1µF of capacitance to GND."
},
{
"number": "27",
"name": "LGATE2",
"type": "output",
"description": "Output of the Phase 2 low-side MOSFET gate driver of the Core VR; connect to the gate of the Phase 2 low-side MOSFET(s)."
},
{
"number": "28",
"name": "PHASE2",
"type": "passive",
"description": "Current return path for the Phase 2 high-side MOSFET gate driver of the Core VR; connect to the node of the high-side MOSFET source, low-side MOSFET drain and Phase 2 output inductor."
},
{
"number": "29",
"name": "UGATE2",
"type": "output",
"description": "Output of the Phase 2 high-side MOSFET gate driver of the Core VR; connect to the gate of the Phase 2 high-side MOSFET(s)."
},
{
"number": "30",
"name": "BOOT2",
"type": "passive",
"description": "Connect an MLCC capacitor across BOOT2 and PHASE2; the boot capacitor is charged through an internal boot diode from VDDP each time PHASE2 drops below VDDP minus the diode drop."
},
{
"number": "31",
"name": "BOOT_NB",
"type": "passive",
"description": "Boot connection of the Northbridge VR; connect an MLCC capacitor across BOOT_NB and PHASE_NB, charged through an internal boot diode from VDDP."
},
{
"number": "32",
"name": "UGATE_NB",
"type": "output",
"description": "High-side MOSFET gate driver output of the Northbridge VR; connect to the gate of the Northbridge high-side MOSFET(s)."
},
{
"number": "33",
"name": "PHASE_NB",
"type": "passive",
"description": "Phase connection of the Northbridge VR and current return path for the high-side gate driver; connect to the node of the high-side MOSFET source, low-side MOSFET drain and Northbridge output inductor."
},
{
"number": "34",
"name": "LGATE_NB",
"type": "output",
"description": "Low-side MOSFET gate driver output of the Northbridge VR; connect to the gate of the Northbridge low-side MOSFET(s)."
},
{
"number": "35",
"name": "PGOOD_NB",
"type": "output",
"description": "Open-drain output indicating the Northbridge portion of the IC is ready to supply regulated voltage; pull up externally to VDDP or 3.3V through a resistor."
},
{
"number": "36",
"name": "COMP_NB",
"type": "output",
"description": "Northbridge VR error amplifier output; a resistor from COMP_NB to GND sets the Northbridge VR offset voltage and the switching frequency for both VRs."
},
{
"number": "37",
"name": "FB_NB",
"type": "input",
"description": "Output voltage feedback to the inverting input of the Northbridge controller error amplifier."
},
{
"number": "38",
"name": "VSEN_NB",
"type": "input",
"description": "Output voltage sense pin for the Northbridge controller; connect to the +sense pin of the microprocessor die."
},
{
"number": "39",
"name": "ISUMN_NB",
"type": "input",
"description": "Inverting input of the transconductance amplifier for current monitor and load line of the Northbridge VR."
},
{
"number": "40",
"name": "ISUMP_NB",
"type": "input",
"description": "Noninverting input of the transconductance amplifier for current monitor and load line of the Northbridge VR."
},
{
"number": "41",
"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-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 GND bottom pad is listed in the datasheet as a signal common connection without a number"
],
"pages_sent": 11,
"cost_usd": 0.0366,
"at": "2026-10-30T22:54:03"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/9d254fb741104937f520f022f8d809a3.pdf",
"pages": 35,
"sha256": "8947ca125f369189",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "isl62771hrtz.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "8f37bc7a9aab4742c34f137d9822c0352acc227532830034555744338483cdfc",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "isl62771hrtz-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.77
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "771f1869f3a5f2e2c94ad91c8e7fc2707ec05665bed90afbe4cc20092b580783",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "RENESAS",
"Package": "TQFN-40(5x5)",
"Category": "Power Management (PMIC)",
"Pins": "41"
},
"appearance": {
"contacts": {
"quote": "Channel 1 high-side MOSFET source pin instead of a general connection to PHASE1 copper is recommended for",
"page": 32,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "8947ca125f36918939ff430f87dd382ba2611f32d70c6430015cca4505f6914c"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8947ca125f36918939ff430f87dd382ba2611f32d70c6430015cca4505f6914c",
"rows": [
{
"name": "Supply Voltage VDD, VDDP",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Battery Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 28,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Boot Voltage",
"symbol": "BOOT",
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"min": -0.3,
"typ": null,
"max": 33,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Boot to Phase Voltage",
"symbol": "BOOT-PHASE",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "DC",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Boot to Phase Voltage",
"symbol": "BOOT-PHASE",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 9,
"conditions": "<10ns",
"source_page": 10,
"source": "datasheet"
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{
"name": "Phase Voltage",
"symbol": "PHASE",
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"unit": "V",
"min": -7,
"typ": null,
"max": null,
"conditions": "<20ns Pulse Width, 10µJ",
"source_page": 10,
"source": "datasheet"
},
{
"name": "LGATE Voltage",
"symbol": "LGATE",
"kind": "absolute_maximum",
"unit": "V",
"min": -2.5,
"typ": null,
"max": null,
"conditions": "<20ns Pulse Width, 5µJ",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Open-Drain Outputs PGOOD, PGOOD_NB, VR_HOT_L",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Maximum Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 10,
"source": "datasheet"
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{
"name": "Maximum Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction to Ambient, 40 Ld TQFN",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 33,
"max": null,
"conditions": "Typical, free air, Notes 4, 5",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction to Case, 40 Ld TQFN",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 3,
"max": null,
"conditions": "Typical, Notes 4, 5",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Supply Voltage VDD tolerance",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "%",
"min": -5,
"typ": null,
"max": 5,
"conditions": "Nominal +5V ±5%",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Battery Voltage",
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"kind": "recommended_operating",
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"typ": null,
"max": 25,
"conditions": "",
"source_page": 10,
"source": "datasheet"
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{
"name": "Ambient Temperature HRTZ",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -10,
"typ": null,
"max": 100,
"conditions": "HRTZ",
"source_page": 10,
"source": "datasheet"
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{
"name": "Junction Temperature HRTZ",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -10,
"typ": null,
"max": 125,
"conditions": "HRTZ",
"source_page": 10,
"source": "datasheet"
},
{
"name": "+5V Supply Current",
"symbol": "IVDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 8,
"max": 11,
"conditions": "ENABLE = 1V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "+5V Supply Current",
"symbol": "IVDD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "ENABLE = 0V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "VDD POR Threshold rising",
"symbol": "VDD_PORr",
"kind": "electrical",
"unit": "V",
"min": 4.35,
"typ": null,
"max": 4.5,
"conditions": "VDD rising",
"source_page": 10,
"source": "datasheet"
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{
"name": "VDD POR Threshold falling",
"symbol": "VDD_PORf",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": 4.15,
"conditions": "VDD falling",
"source_page": 10,
"source": "datasheet"
},
{
"name": "System Accuracy HRTZ %Error (VOUT)",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "No load; closed loop, active mode range, VID = 0.75V to 1.55V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "System Accuracy HRTZ Error (VOUT)",
"symbol": "",
"kind": "tolerance",
"unit": "mV",
"min": -10,
"typ": null,
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"conditions": "No load; closed loop, active mode range, VID = 0.25V to 0.74375V",
"source_page": 10,
"source": "datasheet"
},
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