component
NCV78723MW2R2G
Public Made by Adomby adom
onsemi LED Drivers, QFN-24-EP(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": "ncv78723mw2r2g",
"title": "NCV78723MW2R2G",
"brief": "onsemi LED Drivers, QFN-24-EP(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": [
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"led drivers",
"ncv78723mw2r2g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "NCV78723MW2R2G",
"manufacturer": "onsemi",
"package": "QFN-24-EP(5x5)",
"pin_count": 25,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930475239092224",
"parts": {
"symbol": "ncv78723mw2r2g.kicad_sym",
"footprint": "ncv78723mw2r2g.kicad_mod",
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"model_3d_step": "ncv78723mw2r2g-etched.step",
"model_3d_step_plain": "ncv78723mw2r2g.step",
"lbr": "ncv78723mw2r2g.lbr"
},
"distributor_links": {
"lcsc": "C895782",
"digikey": "488-NCV78723MW2R2GTR-ND"
},
"distributor_check": {
"checked_at": "2026-10-18T18:25:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "488-NCV78723MW2R2GTR-ND",
"status": "found"
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"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "TEST",
"type": "input",
"description": "Test pin that has to be connected to ground, with an absolute maximum rating of −0.3 V to 3.6 V."
},
{
"number": "2",
"name": "TEST1",
"type": "bidirectional",
"description": "Test pin that can be connected to ground or left floating, with an absolute maximum rating of −0.3 V to the lower of VBOOST + 0.3 V or 68 V."
},
{
"number": "3",
"name": "VBOOSTM3V",
"type": "power_out",
"description": "Output of the VBOOSTM3V regulator, which uses the external capacitor C_M3V; absolute maximum rating is the higher of VBOOST − 3.6 V or −0.3 V to the lower of VBOOST + 0.3 V or 68 V."
},
{
"number": "4",
"name": "VBOOST",
"type": "power_in",
"description": "Booster input supply with a recommended range of +6 V to +67 V for the N78723-2 device and an absolute maximum of −0.3 V to +68 V."
},
{
"number": "5",
"name": "TEST2",
"type": "bidirectional",
"description": "Test pin that can be connected to ground or left floating, with the same absolute maximum rating as TEST1 (−0.3 V to the lower of VBOOST + 0.3 V or 68 V)."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the exposed pad must be hard wired to this GND pin for electrical and thermal connection."
},
{
"number": "7",
"name": "VLED2",
"type": "input",
"description": "LED string 2 forward voltage sense input with an absolute maximum of −0.3 V to the lower of VBOOST + 0.3 V or 68 V, used with a series resistor R_LED_2 (Min. 1 k as printed) to limit IVLED to ±30 mA."
},
{
"number": "8",
"name": "LBCKSW2",
"type": "output",
"description": "Buck 2 switch output with a low-side limit of −2.0 V to VINBCK2 + 0.3 V."
},
{
"number": "9",
"name": "GND/NC",
"type": "power_in",
"description": "Listed as GND/NC in the table: connect to ground or leave unconnected in the application, as it is not a functional signal pin."
},
{
"number": "10",
"name": "VINBCK2",
"type": "power_in",
"description": "Buck 2 high-voltage supply that must be hard connected to VBOOST on the PCB, with an operating range of VBOOST − 0.1 V to VBOOST + 0.1 V."
},
{
"number": "11",
"name": "GND/NC",
"type": "power_in",
"description": "Listed as GND/NC in the table: connect to ground or leave unconnected in the application, as it is not a functional signal pin."
},
{
"number": "12",
"name": "LEDCTRL2",
"type": "input",
"description": "LED string 2 enable input (medium-voltage IO) with an absolute maximum of −0.3 V to 7.0 V; it is ignored in FSO and stand-alone modes."
},
{
"number": "13",
"name": "RSTB",
"type": "input",
"description": "External reset input (medium-voltage IO) with an absolute maximum of −0.3 V to 7.0 V; a falling edge resets the device or enters FSO mode depending on FSO_MD[2:0]."
},
{
"number": "14",
"name": "SDO",
"type": "output",
"description": "SPI data output, open-drain, with an absolute maximum of −0.3 V to 7.0 V; it is high impedance when the device is not selected."
},
{
"number": "15",
"name": "CSB",
"type": "input",
"description": "SPI chip select, active low (medium-voltage IO) with an absolute maximum of −0.3 V to 7.0 V."
},
{
"number": "16",
"name": "SCLK",
"type": "input",
"description": "SPI clock input (medium-voltage IO) with an absolute maximum of −0.3 V to 7.0 V; data is sampled on the rising edge."
},
{
"number": "17",
"name": "SDI",
"type": "input",
"description": "SPI data input from the master (medium-voltage IO) with an absolute maximum of −0.3 V to 7.0 V."
},
{
"number": "18",
"name": "VDD",
"type": "power_in",
"description": "3 V logic supply with a recommended range of 3.05 V to 3.6 V (3.3 V typical) and an absolute maximum of −0.3 V to 3.6 V."
},
{
"number": "19",
"name": "LEDCTRL1",
"type": "input",
"description": "LED string 1 enable input (medium-voltage IO) with an absolute maximum of −0.3 V to 7.0 V; it is ignored in FSO and stand-alone modes."
},
{
"number": "20",
"name": "GND/NC",
"type": "power_in",
"description": "Listed as GND/NC in the table: connect to ground or leave unconnected in the application, as it is not a functional signal pin."
},
{
"number": "21",
"name": "VINBCK1",
"type": "power_in",
"description": "Buck 1 high-voltage supply that must be hard connected to VBOOST on the PCB, with an operating range of VBOOST − 0.1 V to VBOOST + 0.1 V."
},
{
"number": "22",
"name": "GND/NC",
"type": "power_in",
"description": "Listed as GND/NC in the table: connect to ground or leave unconnected in the application, as it is not a functional signal pin."
},
{
"number": "23",
"name": "LBCKSW1",
"type": "output",
"description": "Buck 1 switch output with a low-side limit of −2.0 V to VINBCK1 + 0.3 V."
},
{
"number": "24",
"name": "VLED1",
"type": "input",
"description": "LED string 1 forward voltage sense input with an absolute maximum of −0.3 V to the lower of VBOOST + 0.3 V or 68 V, used with a series resistor R_LED_1 (Min. 1 k as printed) to limit IVLED to ±30 mA."
},
{
"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: Package naming mismatch: the hint says QFN-24-EP(5x5), but the ordering table (page 31) maps NCV7872; The exposed pad is not given a pin number in the text (it is connected to GND per Table 2 notes and ; Pins 9, 11, 20 and 22 are listed as 'GND/NC' with I/O type NC. They are mapped to unconnected, but t",
"exposed pad 25 added from the footprint"
],
"pages_sent": 13,
"cost_usd": 0.0993,
"at": "2026-10-18T18:25:34"
},
"datasheet": {
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"pages": 34,
"sha256": "2d20e042909d3dee",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 25,
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"refuses_to_fabricate": true
}
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"metadata": {
"specs": {
"Manufacturer": "onsemi",
"Package": "QFN-24-EP(5x5)",
"Category": "LED Drivers",
"Pins": "25"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Boost Supply Voltage",
"symbol": "VBOOST",
"kind": "recommended_operating",
"unit": "V",
"min": 6,
"typ": null,
"max": 67,
"conditions": "N78723−2 Device",
"source_page": 6,
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},
{
"name": "Low Voltage Supply",
"symbol": "VDD",
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"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Buck Switch Output Current",
"symbol": "I_LBCKSW",
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"unit": "A",
"min": null,
"typ": null,
"max": 1.9,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Functional Operating Junction Temperature Range",
"symbol": "TJF",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 155,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
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"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "VBOOST Supply Voltage",
"symbol": "VBOOST",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 68,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Logic Supply Voltage",
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"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Medium Voltage IO Pins",
"symbol": "IOMV",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "VLED Sense Voltage",
"symbol": "VLEDx",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Test Pins",
"symbol": "TESTx",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Buck Switch Low Side",
"symbol": "LBCKSWx",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VLED Sink/Source Current",
"symbol": "IVLEDx",
"kind": "absolute_maximum",
"unit": "mA",
"min": -30,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Storage Temperature",
"symbol": "TSTRG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -50,
"typ": null,
"max": 150,
"conditions": "Limited time up to 100 hours; otherwise max 85 °C (Note 9)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Electrostatic Discharge, Human Body Model",
"symbol": "VESD_HBM",
"kind": "absolute_maximum",
"unit": "kV",
"min": -2,
"typ": null,
"max": 2,
"conditions": "Human Body Model",
"source_page": 6,
"source": "datasheet"
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{
"name": "Electrostatic Discharge, Charge Device Model",
"symbol": "VESD_CDM",
"kind": "absolute_maximum",
"unit": "V",
"min": -500,
"typ": null,
"max": 500,
"conditions": "Charge Device Model",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VDD 3 V Logic Supply Current Consumption",
"symbol": "I_VDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "POR Toggle Level on VDD Rising",
"symbol": "POR3V_H",
"kind": "electrical",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 3.05,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "POR Toggle Level on VDD Falling",
"symbol": "POR3V_L",
"kind": "electrical",
"unit": "V",
"min": 2.45,
"typ": null,
"max": 2.8,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "OTP UV Toggle Level on VBOOST",
"symbol": "OTP_UV",
"kind": "electrical",
"unit": "V",
"min": 13,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VBSTM3 Regulator Output Voltage",
"symbol": "VBSTM3",
"kind": "electrical",
"unit": "V",
"min": -3.6,
"typ": -3.3,
"max": -3,
"conditions": "Referenced to VBOOST",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VBOOSTM3V DC Output Current Consumption, N78723−2 Device",
"symbol": "M3V_IOUT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5,
"max": 22.5,
"conditions": "N78723−2 Device; VBOOST = 68 V, VLED1,2 = 34 V, fBUCK = 1.61 MHz, QGATE = 14 nC (Note 19)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output Current Limitation",
"symbol": "M3V_ILIM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VBSTM3 External Decoupling Cap.",
"symbol": "CVBSTM3V",
"kind": "electrical",
"unit": "F",
"min": 0.3,
"typ": null,
"max": 2.2,
"conditions": "Referenced to VBOOST",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VBOOST POR Level on N78723−2 Device",
"symbol": "M3V_VBSTPOR",
"kind": "electrical",
"unit": "V",
"min": 3.5,
"typ": null,
"max": 5.5,
"conditions": "N78723−2 Device (Note 20)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "System Oscillator Frequency",
"symbol": "FOSC10M",
"kind": "electrical",
"unit": "MHz",
"min": 8,
"typ": 10,
"max": 12,
"conditions": "",
"source_page": 7,
"source": "datasheet"
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{
"name": "On Resistance, Range 1, Room Temperature",
"symbol": "Rdson1",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 5.2,
"conditions": "I(VINBCKx) = 0.18 A, V(BOOST − VINBCKx) ≤ 0.2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "On Resistance at Hot, Range 1",
"symbol": "Rdson1_hot",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 7.2,
"conditions": "At Tj = 150 °C, I(VINBCKx) = 0.18 A, V(BOOST − VINBCKx) ≤ 0.2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "On Resistance, Range 2, Room Temperature",
"symbol": "Rdson2",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 2.6,
"conditions": "I(VINBCKx) = 0.375 A, V(BOOST − VINBCKx) ≤ 0.2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "On Resistance at Hot, Range 2",
"symbol": "Rdson2_hot",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 3.6,
"conditions": "At Tj = 150 °C, I(VINBCKx) = 0.375 A, V(BOOST − VINBCKx) ≤ 0.2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "On Resistance, Range 3, Room Temperature",
"symbol": "Rdson3",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 1.3,
"conditions": "I(VINBCKx) = 0.75 A, V(BOOST − VINBCKx) ≤ 0.2 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "On Resistance at Hot, Range 3",
"symbol": "Rdson3_hot",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 1.8,
"conditions": "At Tj = 150 °C, I(VINBCKx) = 0.75 A, V(BOOST − VINBCKx) ≤ 0.2 V",
"source_page": 8,
"source": "datasheet"
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