component
UPD720210K8-BAF-A
Public Made by Adomby adom
RENESAS USB ICs, QFN-76-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "upd720210k8-baf-a",
"version": "0.1.0",
"type": "component",
"description": "RENESAS USB ICs, QFN-76-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"upd720210k8-baf-a",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"upd720210k8-baf-a.kicad_sym",
"upd720210k8-baf-a.kicad_mod",
"upd720210k8-baf-a.glb",
"upd720210k8-baf-a.step",
"upd720210k8-baf-a.lbr",
"docs/hero.png",
"docs/upd720210k8-baf-a-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"upd720210k8-baf-a-hero.glb",
"upd720210k8-baf-a-hero.overlay.json",
"upd720210k8-baf-a-etched.glb"
],
"component": {
"mpn": "UPD720210K8-BAF-A",
"manufacturer": "RENESAS",
"package": "QFN-76-EP(9x9)",
"pin_count": 77,
"category": "Interface ICs",
"subcategory": "USB ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3ba7e26ff7c58f1c6a8142a6f8a2cee9.pdf",
"parts": {
"symbol": "upd720210k8-baf-a.kicad_sym",
"footprint": "upd720210k8-baf-a.kicad_mod",
"model_3d": "upd720210k8-baf-a-hero.glb",
"model_3d_plain": "upd720210k8-baf-a-etched.glb",
"model_3d_step": "upd720210k8-baf-a-etched.step",
"model_3d_step_plain": "upd720210k8-baf-a.step",
"lbr": "upd720210k8-baf-a.lbr"
},
"distributor_links": {
"lcsc": "C2982859",
"digikey": "UPD720210K8-BAF-A-ND",
"mouser": "968-UPD720210K8BAFA"
},
"distributor_check": {
"checked_at": "2026-10-28T00:22:52Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "UPD720210K8-BAF-A-ND",
"status": "found"
},
"mouser": {
"pn": "968-UPD720210K8BAFA",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "SUSPEND/NRDCLKO",
"type": "output",
"description": "Pin 1 outputs SUSPEND or the non-removable device clock (CLKOUT), selected by the pin strap settings of SPICSB and OCI1B, and is Hi-Z until configured."
},
{
"number": "2",
"name": "RESETB",
"type": "input",
"description": "Active-low chip reset input, with the power-on reset timing given in the electrical specifications."
},
{
"number": "3",
"name": "U3TXDP1",
"type": "output",
"description": "USB 3.0 downstream port 1 SuperSpeed transmit D+ signal."
},
{
"number": "4",
"name": "U3TXDN1",
"type": "output",
"description": "USB 3.0 downstream port 1 SuperSpeed transmit D- signal."
},
{
"number": "5",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "6",
"name": "U3RXDP1",
"type": "input",
"description": "USB 3.0 downstream port 1 SuperSpeed receive D+ signal."
},
{
"number": "7",
"name": "U3RXDN1",
"type": "input",
"description": "USB 3.0 downstream port 1 SuperSpeed receive D- signal."
},
{
"number": "8",
"name": "VDD33",
"type": "power_in",
"description": "3.3 V power supply for the IO buffers."
},
{
"number": "9",
"name": "U2DP1",
"type": "bidirectional",
"description": "USB 2.0 downstream port 1 D+ signal for High-/Full-/Low-speed."
},
{
"number": "10",
"name": "U2DM1",
"type": "bidirectional",
"description": "USB 2.0 downstream port 1 D- signal for High-/Full-/Low-speed."
},
{
"number": "11",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "12",
"name": "U3TXDP2",
"type": "output",
"description": "USB 3.0 downstream port 2 SuperSpeed transmit D+ signal."
},
{
"number": "13",
"name": "U3TXDN2",
"type": "output",
"description": "USB 3.0 downstream port 2 SuperSpeed transmit D- signal."
},
{
"number": "14",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "15",
"name": "U3RXDP2",
"type": "input",
"description": "USB 3.0 downstream port 2 SuperSpeed receive D+ signal."
},
{
"number": "16",
"name": "U3RXDN2",
"type": "input",
"description": "USB 3.0 downstream port 2 SuperSpeed receive D- signal."
},
{
"number": "17",
"name": "VDD33",
"type": "power_in",
"description": "3.3 V power supply for the IO buffers."
},
{
"number": "18",
"name": "U2DP2",
"type": "bidirectional",
"description": "USB 2.0 downstream port 2 D+ signal for High-/Full-/Low-speed."
},
{
"number": "19",
"name": "U2DM2",
"type": "bidirectional",
"description": "USB 2.0 downstream port 2 D- signal for High-/Full-/Low-speed."
},
{
"number": "20",
"name": "U3TXDP3",
"type": "output",
"description": "USB 3.0 downstream port 3 SuperSpeed transmit D+ signal."
},
{
"number": "21",
"name": "U3TXDN3",
"type": "output",
"description": "USB 3.0 downstream port 3 SuperSpeed transmit D- signal."
},
{
"number": "22",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "23",
"name": "U3RXDP3",
"type": "input",
"description": "USB 3.0 downstream port 3 SuperSpeed receive D+ signal."
},
{
"number": "24",
"name": "U3RXDN3",
"type": "input",
"description": "USB 3.0 downstream port 3 SuperSpeed receive D- signal."
},
{
"number": "25",
"name": "VDD33",
"type": "power_in",
"description": "3.3 V power supply for the IO buffers."
},
{
"number": "26",
"name": "U2DP3",
"type": "bidirectional",
"description": "USB 2.0 downstream port 3 D+ signal for High-/Full-/Low-speed."
},
{
"number": "27",
"name": "U2DM3",
"type": "bidirectional",
"description": "USB 2.0 downstream port 3 D- signal for High-/Full-/Low-speed."
},
{
"number": "28",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "29",
"name": "U3TXDP4",
"type": "output",
"description": "USB 3.0 downstream port 4 SuperSpeed transmit D+ signal."
},
{
"number": "30",
"name": "U3TXDN4",
"type": "output",
"description": "USB 3.0 downstream port 4 SuperSpeed transmit D- signal."
},
{
"number": "31",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "32",
"name": "U3RXDP4",
"type": "input",
"description": "USB 3.0 downstream port 4 SuperSpeed receive D+ signal."
},
{
"number": "33",
"name": "U3RXDN4",
"type": "input",
"description": "USB 3.0 downstream port 4 SuperSpeed receive D- signal."
},
{
"number": "34",
"name": "VDD33",
"type": "power_in",
"description": "3.3 V power supply for the IO buffers."
},
{
"number": "35",
"name": "U2DP4",
"type": "bidirectional",
"description": "USB 2.0 downstream port 4 D+ signal for High-/Full-/Low-speed."
},
{
"number": "36",
"name": "U2DM4",
"type": "bidirectional",
"description": "USB 2.0 downstream port 4 D- signal for High-/Full-/Low-speed."
},
{
"number": "37",
"name": "LED1B/SUSPEND",
"type": "output",
"description": "Port 1 LED control output (Green only) when the external ROM is not used, or SUSPEND output when the external ROM is used and SUSPEND is enabled."
},
{
"number": "38",
"name": "SPICSB",
"type": "bidirectional",
"description": "External serial ROM chip select (active low), also used as a pin strap input for ROM, LED and ROM address length options."
},
{
"number": "39",
"name": "SPISI/LED2B",
"type": "bidirectional",
"description": "External serial ROM data output to the ROM SI input, or LED2 output depending on pin strap setting."
},
{
"number": "40",
"name": "SPISO/LED3B",
"type": "bidirectional",
"description": "External serial ROM data input from the ROM SO output, or LED3 output depending on pin strap setting."
},
{
"number": "41",
"name": "SPISCK/LED4B",
"type": "bidirectional",
"description": "External serial ROM clock output, or LED4 output depending on pin strap setting."
},
{
"number": "42",
"name": "VDD33",
"type": "power_in",
"description": "3.3 V power supply for the IO buffers."
},
{
"number": "43",
"name": "VBUSM",
"type": "input",
"description": "Upstream port VBUS monitor input, which takes VBUS divided down to 3.3 V."
},
{
"number": "44",
"name": "BUSSEL",
"type": "input",
"description": "Power mode select input: 0 selects bus-power and 1 selects self-power."
},
{
"number": "45",
"name": "OCI1B",
"type": "input",
"description": "Port 1 over-current input (active low), which also selects non-removable setting when low as a pin strap."
},
{
"number": "46",
"name": "PPON1B/NRDRSTB",
"type": "bidirectional",
"description": "Port 1 power control output (active low) when high, or non-removable device reset NRDRSTB when strapped low."
},
{
"number": "47",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "48",
"name": "V33OUT",
"type": "power_out",
"description": "LDO 3.3 V output; 15 kΩ and 4.7 μF are required between this pin and GND when the integrated LDO is not used."
},
{
"number": "49",
"name": "V50IN",
"type": "power_in",
"description": "LDO regulator 5 V input, which must be connected to GND when the integrated LDO is not used."
},
{
"number": "50",
"name": "AVDD33R",
"type": "power_in",
"description": "Switching regulator 3.3 V input."
},
{
"number": "51",
"name": "PGDRV",
"type": "output",
"description": "Switching regulator P-channel FET control output; see section 3.10 for FET selection."
},
{
"number": "52",
"name": "NGDRV",
"type": "output",
"description": "Switching regulator N-channel FET control output; see section 3.10 for FET selection."
},
{
"number": "53",
"name": "ILIM",
"type": "input",
"description": "Switching regulator current sense input."
},
{
"number": "54",
"name": "V10FB",
"type": "input",
"description": "Switching regulator output voltage monitor input for the 1.05 V output."
},
{
"number": "55",
"name": "OCI2B",
"type": "input",
"description": "Port 2 over-current input (active low), which also selects non-removable setting when low as a pin strap."
},
{
"number": "56",
"name": "PPON2B",
"type": "bidirectional",
"description": "Port power control output for port 2 (active low) that also sets gang or individual power control mode as a pin strap."
},
{
"number": "57",
"name": "OCI3B",
"type": "input",
"description": "Port 3 over-current input (active low), which also selects non-removable setting when low as a pin strap."
},
{
"number": "58",
"name": "PPON3B",
"type": "bidirectional",
"description": "Port 3 power control output (active low) that also sets the number of ports as a pin strap."
},
{
"number": "59",
"name": "OCI4B",
"type": "input",
"description": "Port 4 over-current input (active low), which also selects non-removable setting when low as a pin strap."
},
{
"number": "60",
"name": "PPON4B",
"type": "bidirectional",
"description": "Port 4 power control output (active low) that also sets the number of ports as a pin strap."
},
{
"number": "61",
"name": "VDD33",
"type": "power_in",
"description": "3.3 V power supply for the IO buffers."
},
{
"number": "62",
"name": "U2DPU",
"type": "bidirectional",
"description": "USB 2.0 upstream D+ signal for High-/Full-/Low-speed."
},
{
"number": "63",
"name": "U2DMU",
"type": "bidirectional",
"description": "USB 2.0 upstream D- signal for High-/Full-/Low-speed."
},
{
"number": "64",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "65",
"name": "U3TXDNU",
"type": "output",
"description": "USB 3.0 upstream SuperSpeed transmit D- signal."
},
{
"number": "66",
"name": "U3TXDPU",
"type": "output",
"description": "USB 3.0 upstream SuperSpeed transmit D+ signal."
},
{
"number": "67",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "68",
"name": "U3RXDNU",
"type": "input",
"description": "USB 3.0 upstream SuperSpeed receive D- signal."
},
{
"number": "69",
"name": "U3RXDPU",
"type": "input",
"description": "USB 3.0 upstream SuperSpeed receive D+ signal."
},
{
"number": "70",
"name": "VDD10",
"type": "power_in",
"description": "1.05 V power supply for the core logic."
},
{
"number": "71",
"name": "AVDD33",
"type": "power_in",
"description": "3.3 V power supply for the analog circuits."
},
{
"number": "72",
"name": "RREF",
"type": "passive",
"description": "Reference voltage input for USB 2.0, which must be connected to a 1.6 kΩ resistor with 1% tolerance."
},
{
"number": "73",
"name": "IC(L)",
"type": "input",
"description": "Test pin that must be connected to GND."
},
{
"number": "74",
"name": "XT1",
"type": "input",
"description": "External oscillator input connected to a 24 MHz crystal; it can also be driven by a 3.3 V oscillator."
},
{
"number": "75",
"name": "XT2",
"type": "output",
"description": "External oscillator output connected to a 24 MHz crystal; left open when XT1 is driven single-ended."
},
{
"number": "76",
"name": "VDD33",
"type": "power_in",
"description": "3.3 V power supply for the IO buffers."
},
{
"number": "77",
"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 datasheet confirms MPN UPD720210K8-BAF-A is the 76-pin QFN (9 x 9) package (pages 2 and 41), whi"
],
"pages_sent": 16,
"cost_usd": 0.0466,
"at": "2026-10-28T00:22:32"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/3ba7e26ff7c58f1c6a8142a6f8a2cee9.pdf",
"pages": 44,
"sha256": "4142aaed32d66c0e",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 77,
"described": 77,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "upd720210k8-baf-a.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
0.87
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3ab1064cae4fe9fd862cf68d892e572981a8eef91ec6d357d43dd753058ee5b3",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "upd720210k8-baf-a-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
0.87
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "98011f24004eb9382522b612fb4f5b6749debf4a244d8ff9ff3f01483a6309b2",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}