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CBM9001A-48AG
Public Made by Adomby adom
Corebai Microelectronics USB Converters, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "cbm9001a-48ag",
"title": "CBM9001A-48AG",
"brief": "Corebai Microelectronics USB Converters, TQFP-48(7x7). 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",
"interface",
"cbm9001a-48ag",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CBM9001A-48AG",
"manufacturer": "Corebai Microelectronics",
"package": "TQFP-48(7x7)",
"pin_count": 48,
"category": "Interface",
"subcategory": "USB Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590166335473672192",
"parts": {
"symbol": "cbm9001a-48ag.kicad_sym",
"footprint": "cbm9001a-48ag.kicad_mod",
"model_3d": "cbm9001a-48ag-hero.glb",
"model_3d_plain": "cbm9001a-48ag-etched.glb",
"model_3d_step": "cbm9001a-48ag-etched.step",
"model_3d_step_plain": "cbm9001a-48ag.step",
"lbr": "cbm9001a-48ag.lbr"
},
"distributor_links": {
"lcsc": "C476309"
},
"distributor_check": {
"checked_at": "2026-10-18T20:39:21Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "3",
"name": "nWR",
"type": "input",
"description": "Active LOW write strobe input, used with nCS to write to registers and data memory."
},
{
"number": "4",
"name": "nCS",
"type": "input",
"description": "Active LOW chip select input, used with nRD and nWR when accessing the device."
},
{
"number": "5",
"name": "CM",
"type": "input",
"description": "Clock multiplier select: tie HIGH for a 12 MHz clock source and tie to ground for a 48 MHz clock source."
},
{
"number": "6",
"name": "VDD1",
"type": "power_in",
"description": "+3.3 VDC power for the USB transceivers; may be connected to VDD, with a recommended supply range of 3.0 V to 3.45 V."
},
{
"number": "7",
"name": "DATA+",
"type": "bidirectional",
"description": "USB differential data signal, HIGH side."
},
{
"number": "8",
"name": "DATA-",
"type": "bidirectional",
"description": "USB differential data signal, LOW side."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground connection for USB."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "11",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "15",
"name": "VDD",
"type": "power_in",
"description": "+3.3 VDC device power; recommended supply range 3.0 V to 3.45 V."
},
{
"number": "16",
"name": "CLK/X1",
"type": "input",
"description": "Clock input or external crystal X1 connection; requires an external 12 or 48 MHz matching crystal or clock source."
},
{
"number": "17",
"name": "X2",
"type": "output",
"description": "External crystal X2 connection."
},
{
"number": "18",
"name": "nRST",
"type": "input",
"description": "Device active-low reset input."
},
{
"number": "19",
"name": "INTRQ",
"type": "output",
"description": "Active HIGH interrupt request output to the external controller."
},
{
"number": "20",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "21",
"name": "D0",
"type": "bidirectional",
"description": "Data bit 0 of the microprocessor data/address bus."
},
{
"number": "22",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "23",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "24",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "25",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "26",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "27",
"name": "D1",
"type": "bidirectional",
"description": "Data bit 1 of the microprocessor data/address bus."
},
{
"number": "28",
"name": "D2",
"type": "bidirectional",
"description": "Data bit 2 of the microprocessor data/address bus."
},
{
"number": "29",
"name": "D3",
"type": "bidirectional",
"description": "Data bit 3 of the microprocessor data/address bus."
},
{
"number": "30",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "31",
"name": "D4",
"type": "bidirectional",
"description": "Data bit 4 of the microprocessor data/address bus."
},
{
"number": "32",
"name": "D5",
"type": "bidirectional",
"description": "Data bit 5 of the microprocessor data/address bus."
},
{
"number": "33",
"name": "D6",
"type": "bidirectional",
"description": "Data bit 6 of the microprocessor data/address bus."
},
{
"number": "34",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "35",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "36",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "37",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "38",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "39",
"name": "D7",
"type": "bidirectional",
"description": "Data bit 7 of the microprocessor data/address bus."
},
{
"number": "40",
"name": "M/S",
"type": "input",
"description": "Master/slave mode select: '1' selects slave and '0' selects master."
},
{
"number": "41",
"name": "VDD",
"type": "power_in",
"description": "+3.3 VDC device power; recommended supply range 3.0 V to 3.45 V."
},
{
"number": "42",
"name": "A0",
"type": "input",
"description": "Address select: '0' selects the address pointer register and '1' selects a data buffer or register."
},
{
"number": "43",
"name": "nDACK",
"type": "input",
"description": "Active LOW DMA acknowledge input for an external DMA controller; DMA is enabled only in slave mode, so this pin must be tied HIGH in host mode."
},
{
"number": "44",
"name": "nDRQ",
"type": "output",
"description": "Active LOW DMA request output that forms the handshake with nDACK; leave unconnected in host mode."
},
{
"number": "45",
"name": "nRD",
"type": "input",
"description": "Active LOW read strobe input, used with nCS to read registers and data memory."
},
{
"number": "46",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "47",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
},
{
"number": "48",
"name": "NC",
"type": "unconnected",
"description": "No connection; NC pins must be left unconnected."
}
],
"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: Pin numbering was taken from the Table 34 pin list (pages 21-22). The 48-pin TQFP layout drawing on ; Pins 43 and 44 change function between modes: nDACK must be tied HIGH in host mode and nDRQ is left ; Table 34 pin 4 (nCS) description contains garbled text ('Used with nRD and nWr when accessing the 48"
],
"pages_sent": 6,
"cost_usd": 0.055,
"at": "2026-10-18T20:39:00"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590166335473672192",
"pages": 29,
"sha256": "ce50f0aa730cf739",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cbm9001a-48ag.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cbm9001a-48ag-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "43b11df6d6efe66fa1b9f4efff34d196a2301b1c6f6a37ea2c3e52c243baa7c1",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Corebai Microelectronics",
"Package": "TQFP-48(7x7)",
"Category": "Interface",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "ce50f0aa730cf73959be0ddb59d552c18910800ed66b6f7aad616389276b3810",
"rows": [
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 23,
"source": "datasheet"
},
{
"name": "Voltage on any pin with respect to ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 23,
"source": "datasheet"
},
{
"name": "Power Supply Voltage (VDD)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 23,
"source": "datasheet"
},
{
"name": "Power Supply Voltage (VDD1)",
"symbol": "VDD1",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 23,
"source": "datasheet"
},
{
"name": "Lead Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 180,
"conditions": "10 seconds",
"source_page": 23,
"source": "datasheet"
},
{
"name": "Power Supply Voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 3.3,
"max": 3.45,
"conditions": "",
"source_page": 23,
"source": "datasheet"
},
{
"name": "Power Supply Voltage",
"symbol": "VDD1",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": null,
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"source": "datasheet"
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{
"name": "Operating Temperature",
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"min": 0,
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"max": 65,
"conditions": "",
"source_page": 23,
"source": "datasheet"
},
{
"name": "Input Voltage LOW",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Input Voltage HIGH (5 V Tolerant I/O)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Output Voltage LOW",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 4 mA",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Output Voltage HIGH",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "IOH = –4 mA",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Output Current HIGH",
"symbol": "IOH",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Output Current LOW",
"symbol": "IOL",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Input Leakage",
"symbol": "ILL",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Input Capacitance",
"symbol": "CIN",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Supply Current (VDD) including USB at FS",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 21,
"max": 25,
"conditions": "Includes USB transceiver current at full speed (note 7)",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Supply Current (VDD) Suspend w/ Clk & PLL Enabled",
"symbol": "ICCsus1",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 4.2,
"max": 5,
"conditions": "Suspend; 12 MHz clock input, internal PLL enabled (note 8)",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Supply Current (VDD) Suspend no Clk & PLL Disabled",
"symbol": "ICCsus2",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 50,
"max": 60,
"conditions": "Suspend; external clock, PLL disabled (note 9)",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Supply Current (VDD1)",
"symbol": "IUSB",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Transceiver Supply Current in Suspend",
"symbol": "IUSBSUS",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Differential Input Sensitivity (Data+, Data–)",
"symbol": "VIHYS",
"kind": "electrical",
"unit": "V",
"min": 0.2,
"typ": null,
"max": null,
"conditions": "Data+, Data–",
"source_page": 24,
"source": "datasheet"
},
{
"name": "USB Input Voltage HIGH",
"symbol": "VUSBIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "Driven",
"source_page": 24,
"source": "datasheet"
},
{
"name": "USB Input Voltage LOW",
"symbol": "VUSBIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "USB Output Voltage HIGH",
"symbol": "VUSBOH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "USB Output Voltage LOW",
"symbol": "VUSBOL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.3,
"conditions": "",
"source_page": 24,
"source": "datasheet"
},
{
"name": "Output Impedance HIGH STATE",
"symbol": "ZUSBH",
"kind": "electrical",
"unit": "Ohms",
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