component
RT9992ZQW
Public Made by Adomby adom
Richtek Tech DC-DC Converters, WQFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "rt9992zqw",
"title": "RT9992ZQW",
"brief": "Richtek Tech DC-DC Converters, WQFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"power management (pmic)",
"rt9992zqw",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "RT9992ZQW",
"manufacturer": "Richtek Tech",
"package": "WQFN-32-EP(4x4)",
"pin_count": 33,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586184447221764096",
"parts": {
"symbol": "rt9992zqw.kicad_sym",
"footprint": "rt9992zqw.kicad_mod",
"model_3d": "rt9992zqw-hero.glb",
"model_3d_plain": "rt9992zqw-etched.glb",
"model_3d_step": "rt9992zqw-etched.step",
"model_3d_step_plain": "rt9992zqw.step",
"lbr": "rt9992zqw.lbr"
},
"distributor_links": {
"lcsc": "C130848"
},
"distributor_check": {
"checked_at": "2026-10-18T08:58:58Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "FB1",
"type": "input",
"description": "Feedback input pin of CH1; high impedance in shutdown."
},
{
"number": "2",
"name": "PGOOD",
"type": "output",
"description": "Power good indicator output pin (open drain) that monitors the FB2, FB3 and FB4 voltage status."
},
{
"number": "3",
"name": "FB5",
"type": "input",
"description": "Feedback input pin of CH5 that selects the internal 2.5V feedback network if VFB5 is above 0.8V before CH5 is enabled, and is high impedance in shutdown."
},
{
"number": "4",
"name": "VOUT5",
"type": "power_out",
"description": "Output pin of CH5 (generic LDO); high impedance in shutdown."
},
{
"number": "5",
"name": "PVDD5",
"type": "power_in",
"description": "Power input pin of CH5, with an input voltage range of 2.7V to 5.5V."
},
{
"number": "6",
"name": "EN5",
"type": "input",
"description": "Enable pin of CH5."
},
{
"number": "7",
"name": "SEQ",
"type": "input",
"description": "SEQ high selects the preset power on/off sequence, SEQ low enables CH1 to CH5 independently, and the logic state must not change during operation."
},
{
"number": "8",
"name": "LX2",
"type": "output",
"description": "Switch node of CH2; high impedance in shutdown."
},
{
"number": "9",
"name": "PVDD2",
"type": "bidirectional",
"description": "Power input pin of CH2 in step-down mode, or power output pin of CH2 in step-up mode."
},
{
"number": "10",
"name": "VIN2",
"type": "power_in",
"description": "Power input node of CH2 in step-up mode, connected to the power input node in front of the CH2 inductor."
},
{
"number": "11",
"name": "EN2",
"type": "input",
"description": "Enable pin of CH2 or enable pin of the preset on/off sequence."
},
{
"number": "12",
"name": "FB2",
"type": "input",
"description": "Feedback input pin of CH2; high impedance in shutdown."
},
{
"number": "13",
"name": "SEL",
"type": "input",
"description": "Selects CH2 step-down mode (SEL high, connect to VBAT) or step-up mode (SEL low, connect to GND); the logic state must not change during operation."
},
{
"number": "14",
"name": "PVDD4",
"type": "power_in",
"description": "Power input pin of CH4."
},
{
"number": "15",
"name": "LX4",
"type": "output",
"description": "Switch node of CH4; high impedance in shutdown."
},
{
"number": "16",
"name": "EN4",
"type": "input",
"description": "Enable pin of CH4 or selects which preset on/off sequence is used."
},
{
"number": "17",
"name": "FB4",
"type": "input",
"description": "Feedback input pin of CH4; high impedance in shutdown."
},
{
"number": "18",
"name": "FB3",
"type": "input",
"description": "Feedback input pin of CH3; high impedance in shutdown."
},
{
"number": "19",
"name": "EN3",
"type": "input",
"description": "Enable pin of CH3 or selects which preset on/off sequence is used."
},
{
"number": "20",
"name": "LX3",
"type": "output",
"description": "Switch node of CH3; high impedance in shutdown."
},
{
"number": "21",
"name": "PVDD3",
"type": "power_in",
"description": "Power input pin of CH3."
},
{
"number": "22",
"name": "EN6",
"type": "input",
"description": "Enable pin of CH6 and PWM dimming input; holding EN6 low for more than 32.7ms turns off CH6."
},
{
"number": "23",
"name": "LX6",
"type": "output",
"description": "Switch node of CH6 in step-up mode; high impedance in shutdown."
},
{
"number": "24",
"name": "VOUT6",
"type": "input",
"description": "Sense pin for the CH6 output voltage in step-up mode and CH6 mode selection pin (below 0.3V selects current source mode, above 0.7V selects asynchronous step-up mode)."
},
{
"number": "25",
"name": "FB6",
"type": "input",
"description": "Feedback input pin of CH6 in step-up mode, or current sink pin of CH6 in current source mode."
},
{
"number": "26",
"name": "VDDM",
"type": "power_in",
"description": "Internal control circuit power pin, operating from 2.7V to 5.5V, that must connect to a bypass capacitor for better noise rejection."
},
{
"number": "27",
"name": "PVDD6",
"type": "power_in",
"description": "Power input pin of the CH6 NMOS driver; it connects to the output of the first enabled low-voltage synchronous step-up channel to bootstrap VDDM."
},
{
"number": "28",
"name": "RTCPWR",
"type": "power_out",
"description": "RTC LDO output pin, regulated to 3.1V typical (3.0V to 3.2V at IOUT = 0mA); a 0.1µF capacitor is recommended for stability."
},
{
"number": "29",
"name": "BAT",
"type": "power_in",
"description": "Battery power input pin and CH1 step-up power input node."
},
{
"number": "30",
"name": "PVDD1",
"type": "power_out",
"description": "Power output pin of CH1."
},
{
"number": "31",
"name": "LX1",
"type": "output",
"description": "Switch node of CH1; high impedance in shutdown."
},
{
"number": "32",
"name": "EN1",
"type": "input",
"description": "Enable pin of CH1."
},
{
"number": "33",
"name": "GND",
"type": "power_in",
"description": "Ground exposed pad; it must be soldered to a large PCB and connected to GND for maximum power dissipation."
}
],
"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: PVDD2 is an input in step-down mode and an output in step-up mode; typed as bidirectional to cover b; Switch node (LX) pins are typed as output by convention; the datasheet does not assign a KiCad ERC c; VDDM is typed power_in because it is the main supply for the control circuit (2.7V to 5.5V). The dat"
],
"pages_sent": 19,
"cost_usd": 0.1113,
"at": "2026-10-18T08:58:03"
},
"datasheet": {
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"pages": 19,
"sha256": "930f7fc76cf0aef0",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"role": "plain",
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"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "rt9992zqw-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7c35bd42d99c742da1ace2b07dfb4ab98961c7579e4053615ed0c4b5f5e1cb4f",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Richtek Tech",
"Package": "WQFN-32-EP(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "930f7fc76cf0aef039dcbb10c5801b493726d7fd58e9013364e547a836e745f3",
"rows": [
{
"name": "Supply Voltage VDDM",
"symbol": "VDDM",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Junction Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Ambient Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Supply Voltage, VDDM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "LX1, LX2, LX3, LX4",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "LX1, LX2, LX3, LX4",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 10,
"conditions": "< 20ns",
"source_page": 7,
"source": "datasheet"
},
{
"name": "LX6, VOUT6",
"symbol": "",
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"min": -0.3,
"typ": null,
"max": 21,
"conditions": "",
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"source": "datasheet"
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{
"name": "LX6, VOUT6",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -8,
"typ": null,
"max": 24,
"conditions": "< 20ns",
"source_page": 7,
"source": "datasheet"
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{
"name": "Other Pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Power Dissipation WQFN-32L 4x4",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1.923,
"conditions": "TA = 25°C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "ESD Susceptibility HBM (Human Body Mode)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "ESD Susceptibility MM (Machine Mode)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Package Thermal Resistance, junction to ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 52,
"conditions": "WQFN-32L 4x4",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Package Thermal Resistance, junction to case",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 7,
"conditions": "WQFN-32L 4x4",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VDDM Startup Voltage",
"symbol": "VST",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": null,
"conditions": "For Bootstrap, First Rising",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current into BAT (including RTC LDO quiescent current)",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 7,
"max": 20,
"conditions": "VBAT = 4.2V, VPVDD6 = 3V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current into PVDD6",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VBAT = 4.2V, VPVDD6 < VBAT",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current into VDDM",
"symbol": "IOFF",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 1,
"max": 10,
"conditions": "ENx = 0, VSEQ = 0V, SEL = 0V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "CH1 (Synchronous Step-Up) Supply Current into VDDM",
"symbol": "IQ1",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 800,
"conditions": "Non Switching, VEN1 = 3.3V, VFB1 = 0.9V, VSEQ= 0V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "CH6 (WLED) in Current Source Mode Supply Current into VDDM",
"symbol": "IQ6c",
"kind": "electrical",
"unit": "μΑ",
"min": null,
"typ": null,
"max": 600,
"conditions": "VEN6 = 3.3V, VOUT6 = 0V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CH1, 2, 3, 4 Operation Frequency",
"symbol": "fOSC",
"kind": "electrical",
"unit": "kHz",
"min": 1800,
"typ": 2000,
"max": 2200,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CH6 Operation Frequency",
"symbol": "fOSC6",
"kind": "electrical",
"unit": "kHz",
"min": 900,
"typ": 1000,
"max": 1100,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CH1 Maximum Duty Cycle (Step-Up)",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": 80,
"typ": 83.5,
"max": 87,
"conditions": "VFB1 = 0.7V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CH2 Maximum Duty Cycle (Step-Up)",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": 80,
"typ": 83.5,
"max": 87,
"conditions": "VFB2 = 0.7V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CH6 Maximum Duty Cycle (Step-Up)",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": 91,
"typ": 93,
"max": 97,
"conditions": "VFB6 = 0.15V, VOUT6 = 1V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Feedback Regulation Voltage @ FB1, FB2, FB3, and FB4",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 0.788,
"typ": 0.8,
"max": 0.812,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Sink Current into FB6 (CS mode)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 28.5,
"typ": 30,
"max": 31.5,
"conditions": "VOUT6 = 0V, Current Source",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Dropout Voltage @ FB6 (CS mode)",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "VOUT6 = 0V, VDDM = 3.3V, Current Source",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Feedback Regulation Voltage @ FB6",
"symbol": "VFB6",
"kind": "electrical",
"unit": "V",
"min": 0.237,
"typ": 0.25,
"max": 0.263,
"conditions": "VOUT6 = 1V. Step-Up",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CH1 On Resistance of P-MOSFET",
"symbol": "RDS(ON)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 200,
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