component
CA-IF42088
Public Made by Adomby adom
Chipanalog Buffers, Drivers, Receivers, Transceivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
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"type": "component",
"slug": "ca-if42088",
"title": "CA-IF42088",
"brief": "Chipanalog Buffers, Drivers, Receivers, Transceivers, QFN-24-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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"logic",
"ca-if42088",
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"component": {
"mpn": "CA-IF42088",
"manufacturer": "Chipanalog",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Logic",
"subcategory": "Buffers, Drivers, Receivers, Transceivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603012604839141376",
"parts": {
"symbol": "ca-if42088.kicad_sym",
"footprint": "ca-if42088.kicad_mod",
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"model_3d_step": "ca-if42088-etched.step",
"model_3d_step_plain": "ca-if42088.step",
"lbr": "ca-if42088.lbr"
},
"distributor_links": {
"lcsc": "C39673499"
},
"distributor_check": {
"checked_at": "2026-10-29T10:15:55Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "DOUT",
"type": "output",
"description": "Open-drain digital output that needs an external pull-up to the logic supply, with VOL of 0.3 V max at 2 mA sink and leakage of 1 µA max when open."
},
{
"number": "2",
"name": "DIN",
"type": "input",
"description": "Digital data input from the MCU, with VIH minimum 1.4 V and VIL maximum 0.4 V."
},
{
"number": "3",
"name": "RST",
"type": "input",
"description": "Active-low bus reset control input: low enables the transmitter and high puts it in high impedance, and RST also controls the internal dynamic termination."
},
{
"number": "4",
"name": "CAPN",
"type": "input",
"description": "Active-inductor control port on the HN side; in bus-powered use the capacitance between CAPN and HNA sets the equivalent inductance, and in non-bus-powered use CAPN is shorted to HNA to bypass the inductor."
},
{
"number": "5",
"name": "HNA",
"type": "input",
"description": "Active-inductor control port on the HN side; in bus-powered use the capacitance between HNA and CAPN sets the equivalent inductance, and in non-bus-powered use HNA is shorted to CAPN to bypass the inductor."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "7",
"name": "BIO",
"type": "bidirectional",
"description": "One of the differential transceiver data ports to the Home Bus, coupled through external capacitors, with absolute maximum AIO/BIO voltage of VCC + 0.3 V to GND."
},
{
"number": "8",
"name": "HN",
"type": "power_in",
"description": "Negative bus-power terminal and one of the differential data ports of the Home Bus, with absolute maximum HN to GND of ±6.0 V."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Internal reference ground that floats with respect to HN in bus-powered applications and connects to HN in non-bus-powered applications; keep it close to the device's ground connections."
},
{
"number": "10",
"name": "HP",
"type": "power_in",
"description": "Positive bus-power terminal and one of the differential data ports of the Home Bus, with absolute maximum HP to GND of +28 V and VHP-VHN of 9 V to 24 V for bus powering."
},
{
"number": "11",
"name": "AIO",
"type": "bidirectional",
"description": "One of the differential transceiver data ports to the Home Bus, coupled through external capacitors, with absolute maximum AIO/BIO voltage of VCC + 0.3 V to GND."
},
{
"number": "12",
"name": "TERM",
"type": "output",
"description": "Dynamic termination control port; a resistor between TERM and BIO sets the cable termination impedance, typically recommended between 50 Ω and 240 Ω."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "14",
"name": "HPA",
"type": "input",
"description": "Active-inductor control port on the HP side; in bus-powered use the capacitance between CAPP and HPA sets the equivalent inductance, and in non-bus-powered use HPA is shorted to CAPP to bypass the inductor."
},
{
"number": "15",
"name": "CAPP",
"type": "input",
"description": "Active-inductor control port on the HP side; in bus-powered use the capacitance between CAPP and HPA sets the equivalent inductance, and in non-bus-powered use CAPP is shorted to HPA to bypass the inductor."
},
{
"number": "16",
"name": "GND",
"type": "power_in",
"description": "Internal reference ground that floats with respect to HN in bus-powered applications and connects to HN in non-bus-powered applications; keep it close to the device's ground connections."
},
{
"number": "17",
"name": "VCC",
"type": "power_out",
"description": "Output of the internal 5 V LDO, which supplies up to 90 mA to external loads and needs at least 1 µF to GND placed as close to the device as possible."
},
{
"number": "18",
"name": "VRAW",
"type": "power_out",
"description": "Active-inductor power output that supplies up to 300 mA; bypass with at least 100 µF to GND for loads below 70 mA or at least 200 µF to GND for loads above 70 mA."
},
{
"number": "19",
"name": "EN",
"type": "input",
"description": "LDO enable input: connect to VRAW to enable the internal LDO, or connect to GND to disable it."
},
{
"number": "20",
"name": "HPEN",
"type": "input",
"description": "Receiver high-pass filter enable input (overbar in the datasheet, so active low): connect to GND to enable the high-pass filter and to VCC to disable it, and do not leave it floating."
},
{
"number": "21",
"name": "TVL",
"type": "input",
"description": "Receiver leading-edge data threshold input, which must be set higher than TVT (VTVL > VTVT), with recommended value of 0.5 V minimum per the recommended operating conditions."
},
{
"number": "22",
"name": "TVT",
"type": "input",
"description": "Receiver trailing-edge data threshold input, which must be set lower than TVL (VTVL > VTVT)."
},
{
"number": "23",
"name": "SRA",
"type": "input",
"description": "Transmit output slew-rate adjust port; a resistor from SRA to GND sets the AIO and BIO edge slope, with RSRA specified between 33 kΩ and 470 kΩ."
},
{
"number": "24",
"name": "DTA",
"type": "input",
"description": "Dynamic-termination enable-time adjust port; a 10 kΩ to 500 kΩ resistor to GND sets the termination time, and leaving it open gives 34 µs typical."
},
{
"number": "25",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
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"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": [
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"exposed pad 25 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 25,
"cost_usd": 0.1261,
"at": "2026-10-29T10:15:38"
},
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"sha256": "122d2f62121b39bf",
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"refuses_to_fabricate": true
}
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"metadata": {
"specs": {
"Manufacturer": "Chipanalog",
"Package": "QFN-24-EP(4x4)",
"Category": "Logic",
"Pins": "25"
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{
"name": "VCC, AIO, BIO, TERM continuous current",
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{
"name": "HP, HN, VRAW, GND continuous current",
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"name": "CAPP, CAPN continuous current",
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{
"name": "Normal operating temperature range",
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"unit": "°C",
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"typ": null,
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{
"name": "Junction temperature",
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"kind": "absolute_maximum",
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{
"name": "Storage temperature range",
"symbol": "",
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"min": -40,
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{
"name": "Soldering temperature",
"symbol": "",
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{
"name": "VHP – VHN bus supply voltage",
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{
"name": "TA ambient operating temperature",
"symbol": "TA",
"kind": "recommended_operating",
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"min": -40,
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{
"name": "TJ junction temperature",
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"min": -40,
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{
"name": "Receiver front-edge threshold",
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"min": null,
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{
"name": "Receiver trailing-edge threshold",
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{
"name": "Slew-rate adjustment resistor",
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"kind": "recommended_operating",
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"min": null,
"typ": 120,
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},
{
"name": "Junction-to-ambient thermal resistance (QFN24)",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
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"conditions": "",
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{
"name": "VHP – VHN bus-powered supply voltage",
"symbol": "VHP – VHN",
"kind": "electrical",
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"min": 9,
"typ": null,
"max": 24,
"conditions": "DC input voltage (excluding superimposed HBS data signal)",
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{
"name": "VRAW output voltage, bus-powered",
"symbol": "VRAWO",
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"conditions": "VHP – VHN = 9V, IRAW = 0mA",
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},
{
"name": "VRAW output voltage, bus-powered at 300mA",
"symbol": "VRAWO",
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"conditions": "VHP – VHN = 9V, IRAW = 300mA",
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{
"name": "VRAW supply voltage (external)",
"symbol": "VRAWI",
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"conditions": "External voltage applied to VRAW",
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{
"name": "VCC output voltage",
"symbol": "VCC",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": 5,
"max": 5.5,
"conditions": "ILOAD = 90mA, VRAW ≥ 6V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Bus-powered VCC maximum load current",
"symbol": "IVCCMAX",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 90,
"conditions": "VHP – VHN ≥ 9V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VRAW-powered VCC maximum load current",
"symbol": "IVCCMAX",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 90,
"conditions": "VRAW ≥ 6V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VRAW maximum load current",
"symbol": "IVRAWMAX",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 300,
"conditions": "VHP – VHN ≥ 9V, excluding superimposed HBS data signal",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VRAW maximum load current with HBS data",
"symbol": "IVRAWMAX",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 300,
"conditions": "VHP – VHN ≥ 9V, including superimposed 57.6kbps HBS data signal",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Bus-powered quiescent current",
"symbol": "IHP, IHN",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3,
"max": 5,
"conditions": "RST = VCC, ICC = 0mA, VHP – VHN = 9V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VRAW-powered quiescent current",
"symbol": "IRAW",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.5,
"max": 4,
"conditions": "RST = VCC, HP = CAPP = VRAW, HN = CAPN = GND",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VRAW-powered dynamic current",
"symbol": "IRAW",
"kind": "electrical",
"unit": "",
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