component
JSM66302
Public Made by Adomby adom
JSMSEMI RFID ICs, QFN-32-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": "jsm66302",
"title": "JSM66302",
"brief": "JSMSEMI RFID ICs, QFN-32-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": [
"component",
"rf and wireless",
"jsm66302",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "JSM66302",
"manufacturer": "JSMSEMI",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "RF And Wireless",
"subcategory": "RFID ICs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944379713097728",
"parts": {
"symbol": "jsm66302.kicad_sym",
"footprint": "jsm66302.kicad_mod",
"model_3d": "jsm66302-hero.glb",
"model_3d_plain": "jsm66302-etched.glb",
"model_3d_step": "jsm66302-etched.step",
"model_3d_step_plain": "jsm66302.step",
"lbr": "jsm66302.lbr"
},
"distributor_links": {
"lcsc": "C2900648"
},
"distributor_check": {
"checked_at": "2026-10-18T01:36:35Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "TDO / OUT0",
"type": "output",
"description": "Test data output for the boundary scan interface, or general purpose output 0 when enabled via PinEn."
},
{
"number": "2",
"name": "TDI / OUT1",
"type": "input",
"description": "Test data input for the boundary scan interface, or general purpose output 1 when enabled via PinEn."
},
{
"number": "3",
"name": "TMS / OUT2",
"type": "input",
"description": "Test mode select for the boundary scan interface, or general purpose output 2 when enabled via PinEn."
},
{
"number": "4",
"name": "TCK / OUT3",
"type": "input",
"description": "Test clock for the boundary scan interface, or general purpose output 3 when enabled via PinEn."
},
{
"number": "5",
"name": "SIGIN/OUT7",
"type": "input",
"description": "Listed as contactless communication interface output in the description, but typed as input in the table; general purpose output 7 when enabled via PinEn."
},
{
"number": "6",
"name": "SIGOUT",
"type": "output",
"description": "Listed as contactless communication interface input in the description, but typed as output in the table; configurable via SigOut register (3-state, 0, 1 or internal signal monitor)."
},
{
"number": "7",
"name": "DVDD",
"type": "power_out",
"description": "Digital power supply buffer; this pin is used for connection of a buffer capacitor and connecting a supply voltage may damage the device."
},
{
"number": "8",
"name": "VDD",
"type": "power_in",
"description": "Power supply; VDD must always be the same or higher voltage than PVDD, with a 3.0 V to 5.5 V supply range in the quick reference."
},
{
"number": "9",
"name": "AVDD",
"type": "power_out",
"description": "Analog power supply buffer; this pin is used for connection of a buffer capacitor and connecting a supply voltage may damage the device."
},
{
"number": "10",
"name": "AUX1",
"type": "output",
"description": "Auxiliary output used for analog test signals."
},
{
"number": "11",
"name": "AUX2",
"type": "output",
"description": "Auxiliary output used for analog test signals."
},
{
"number": "12",
"name": "RXP",
"type": "input",
"description": "Receiver input pin for the received RF signal."
},
{
"number": "13",
"name": "RXN",
"type": "input",
"description": "Receiver input pin for the received RF signal."
},
{
"number": "14",
"name": "VMID",
"type": "power_out",
"description": "Internal receiver reference voltage; used for connection of a buffer capacitor and connecting a supply voltage may damage the device."
},
{
"number": "15",
"name": "TX2",
"type": "output",
"description": "Transmitter 2 output delivering the modulated 13.56 MHz carrier."
},
{
"number": "16",
"name": "TVSS",
"type": "power_in",
"description": "Transmitter ground supplying the output stage of TX1 and TX2."
},
{
"number": "17",
"name": "TX1",
"type": "output",
"description": "Transmitter 1 output delivering the modulated 13.56 MHz carrier."
},
{
"number": "18",
"name": "TVDD",
"type": "power_in",
"description": "Transmitter voltage supply; 3.0 V to 5.5 V per the quick reference data."
},
{
"number": "19",
"name": "XTAL1",
"type": "input",
"description": "Crystal oscillator input to the inverting amplifier; also the input for an externally generated 27.12 MHz clock."
},
{
"number": "20",
"name": "XTAL2",
"type": "output",
"description": "Crystal oscillator output from the inverting amplifier of the oscillator."
},
{
"number": "21",
"name": "PDOWN",
"type": "input",
"description": "Power down (reset) input; the power-down current is specified with this pin pulled HIGH."
},
{
"number": "22",
"name": "CLKOUT / OUT6",
"type": "output",
"description": "Clock output, or general purpose output 6 when enabled via PinEn."
},
{
"number": "23",
"name": "SCL",
"type": "output",
"description": "Serial clock line for the host I2C interface (typed as output in the table)."
},
{
"number": "24",
"name": "SDA",
"type": "bidirectional",
"description": "Serial data line for the host I2C interface."
},
{
"number": "25",
"name": "PVDD",
"type": "power_in",
"description": "Pad power supply; must always be the same or lower voltage than VDD."
},
{
"number": "26",
"name": "IFSEL0 / OUT4",
"type": "input",
"description": "Host interface selection 0, or general purpose output 4 when enabled via PinEn."
},
{
"number": "27",
"name": "IFSEL1 / OUT5",
"type": "input",
"description": "Host interface selection 1, or general purpose output 5 when enabled via PinEn."
},
{
"number": "28",
"name": "IF0",
"type": "bidirectional",
"description": "Multifunction host interface pin that can be assigned to RS232, SPI, I2C or I2CL."
},
{
"number": "29",
"name": "IF1",
"type": "bidirectional",
"description": "Multifunction host interface pin that can be assigned to SPI, I2C or I2CL."
},
{
"number": "30",
"name": "IF2",
"type": "bidirectional",
"description": "Multifunction host interface pin that can be assigned to RS232, SPI, I2C or I2CL."
},
{
"number": "31",
"name": "IF3",
"type": "bidirectional",
"description": "Multifunction host interface pin that can be assigned to RS232, SPI, I2C or I2CL."
},
{
"number": "32",
"name": "IRQ",
"type": "output",
"description": "Interrupt request output signalling an interrupt event."
},
{
"number": "33",
"name": "VSS",
"type": "power_in",
"description": "Ground and heat sink connection (exposed pad)."
}
],
"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: Package mismatch: the requested package is QFN-32-EP(5x5), but the only pinout in the supplied pages; Pin 33 is the exposed heat sink pad, shown in Fig. 2 and Table 4 as VSS; it is the only exposed-pad ; Source inconsistencies: pin 5 (SIGIN/OUT7) is described as an output but typed I in Table 4, and pin"
],
"pages_sent": 18,
"cost_usd": 0.0902,
"at": "2026-10-18T01:34:45"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944379713097728",
"pages": 139,
"sha256": "ce86b9e73e03cbc2",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "jsm66302.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "jsm66302-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "de877082a7550c247308258fdf90e7bd34dd099424c6eefd2f10b5bc3b216baa",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "JSMSEMI",
"Package": "QFN-32-EP(5x5)",
"Category": "RF And Wireless",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "ce86b9e73e03cbc20c09dbb3d87d8d5e2f123ffff058c7057eca24fc2440bcae",
"rows": [
{
"name": "Supply voltage (absolute maximum)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "PVDD supply voltage (absolute maximum)",
"symbol": "VDD(PVDD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "TVDD supply voltage (absolute maximum)",
"symbol": "VDD(TVDD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "TVDD supply current (absolute maximum)",
"symbol": "IDD(TVDD)",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 250,
"conditions": "JSM66302",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Input voltage on pin RXP (absolute maximum)",
"symbol": "Vi(RXP)",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Input voltage on pin RXN (absolute maximum)",
"symbol": "Vi(RXN)",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Total power dissipation per package (absolute maximum)",
"symbol": "Ptot",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 1125,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "ESD voltage Human Body Model (absolute maximum)",
"symbol": "VESD(HBM)",
"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "Human Body Model (HBM); 1500 , 100 pF; JESD22-A114-B",
"source_page": 116,
"source": "datasheet"
},
{
"name": "ESD voltage Charge Device Model (absolute maximum)",
"symbol": "VESD(CDM)",
"kind": "absolute_maximum",
"unit": "V",
"min": -500,
"typ": null,
"max": 500,
"conditions": "Charge Device Model (CDM)",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Maximum junction temperature (absolute maximum)",
"symbol": "Tj(max)",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Storage temperature (absolute maximum)",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "no supply voltage applied",
"source_page": 116,
"source": "datasheet"
},
{
"name": "VDD supply voltage (recommended)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 5,
"max": 5.5,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "TVDD supply voltage (recommended)",
"symbol": "VDD(TVDD)",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 5,
"max": 5.5,
"conditions": "Note [1]: VDD(PVDD) must always be the same or lower than VDD",
"source_page": 116,
"source": "datasheet"
},
{
"name": "PVDD supply voltage (recommended)",
"symbol": "VDD(PVDD)",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 5,
"max": 5.5,
"conditions": "",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Operating ambient temperature (recommended)",
"symbol": "Tamb",
"kind": "recommended_operating",
"unit": "°C",
"min": -25,
"typ": 25,
"max": 85,
"conditions": "in still air with exposed pin soldered on a 4 layer JEDEC PCB",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Storage temperature (recommended)",
"symbol": "Tstg",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": 25,
"max": 125,
"conditions": "no supply voltage applied, relative humidity 45...75%",
"source_page": 116,
"source": "datasheet"
},
{
"name": "Supply current, modem on",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 17,
"max": 20,
"conditions": "IDD = AVDD+DVDD; modem on (transmitter and receiver are switched on)",
"source_page": 117,
"source": "datasheet"
},
{
"name": "Supply current, modem off",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.45,
"max": 0.5,
"conditions": "IDD = AVDD+DVDD; modem off (transmitter and receiver are switched off)",
"source_page": 117,
"source": "datasheet"
},
{
"name": "PVDD supply current",
"symbol": "IDD(PVDD)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 0.5,
"max": 5,
"conditions": "no load on digital pins, leakage current only",
"source_page": 117,
"source": "datasheet"
},
{
"name": "TVDD supply current",
"symbol": "IDD(TVDD)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 100,
"max": 250,
"conditions": "JSM66302",
"source_page": 117,
"source": "datasheet"
},
{
"name": "Power-down current, ambient +25 °C",
"symbol": "Ipd",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 40,
"max": 400,
"conditions": "All OUTx pins floating; ambient temp = +25 °C",
"source_page": 117,
"source": "datasheet"
},
{
"name": "Power-down current, ambient -40 °C to +85 °C",
"symbol": "Ipd",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 1.5,
"max": 2.1,
"conditions": "All OUTx pins floating; ambient temp = -40°C...+85°C",
"source_page": 117,
"source": "datasheet"
},
{
"name": "Standby current, ambient 25 °C",
"symbol": "Istby",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 3,
"max": 6,
"conditions": "All OUTx pins floating; ambient temp = 25 °C; Istby = IVDD+ITVDD+ IPVDD",
"source_page": 117,
"source": "datasheet"
},
{
"name": "Standby current, ambient -40 °C to +105 °C",
"symbol": "Istby",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 5.25,
"max": 26,
"conditions": "All OUTx pins floating; ambient temp = -40°C...+105°C; Istby = IVDD+ITVDD+ IPVDD",
"source_page": 117,
"source": "datasheet"
},
{
"name": "LPCD sleep current",
"symbol": "ILPCD(sleep)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 3.3,
"max": 6.3,
"conditions": "All OUTx pins floating; LFO active, no RF field on; ambient temp = 25 °C",
"source_page": 118,
"source": "datasheet"
},
{
"name": "External buffer capacitor AVDD",
"symbol": "CL",
"kind": "electrical",
"unit": "nF",
"min": 220,
"typ": 470,
"max": null,
"conditions": "",
"source_page": 118,
"source": "datasheet"
},
{
"name": "External buffer capacitor DVDD",
"symbol": "CL",
"kind": "electrical",
"unit": "nF",
"min": 220,
"typ": 470,
"max": null,
"conditions": "",
"source_page": 118,
"source": "datasheet"
},
{
"name": "Input leakage current, I/O pins",
"symbol": "ILI",
"kind": "electrical",
"unit": "nA",
"min": 0,
"typ": 50,
"max": 500,
"conditions": "output disabled",
"source_page": 118,
"source": "datasheet"
},
{
"name": "LOW-level input voltage, I/O pins",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 118,
"source": "datasheet"
},
{
"name": "LOW-level output voltage, I/O pins",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": 0,
"max": 0.4,
"conditions": "",
"source_page": 118,
"source": "datasheet"
},
{
"name": "Input capacitance, I/O pins",
"symbol": "Ci",
"kind": "electrical",
"unit": "pF",
"min": 0,
"typ": 2.5,
"max": 4.5,
"conditions": "",
"source_page": 118,
"source": "datasheet"
},
{
"name": "LOW-level input voltage, PDOWN pin",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": 0,
"max": 0.4,
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