component
CA-IF1051HS
Public Made by Adomby adom
Chipanalog CAN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "CA-IF1051HS",
"brief": "Chipanalog CAN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"category": "Interface",
"subcategory": "CAN Transceivers",
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"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"mouser": {
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"pins": [
{
"number": "1",
"name": "TXD",
"type": "input",
"description": "Transmit data input: driving TXD high puts the bus driver in recessive state and driving it low puts it in dominant state, with an internal pull-up to VIO (floating TXD is pulled to the recessive state)."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the device; the datasheet's pin table text reads 'data input', which appears to be a translation error for ground."
},
{
"number": "3",
"name": "VCC",
"type": "power_in",
"description": "5 V supply input, recommended operating range 4.5 V to 5.5 V, with a 0.1 uF capacitor placed as close to the device as possible between VCC and GND."
},
{
"number": "4",
"name": "RXD",
"type": "output",
"description": "Receive data output referenced to VIO: it is high when CANH and CANL are recessive (or open/shorted) and low when the bus is dominant, with output current limited to ±2 mA recommended and ±8 mA absolute maximum."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "6",
"name": "CANL",
"type": "bidirectional",
"description": "Low-level CAN bus line, the low side of the transceiver bus I/O, rated for bus voltage of -70 V to +70 V on H-suffix devices."
},
{
"number": "7",
"name": "CANH",
"type": "bidirectional",
"description": "High-level CAN bus line, the high side of the transceiver bus I/O, rated for bus voltage of -70 V to +70 V on H-suffix devices."
},
{
"number": "8",
"name": "S",
"type": "input",
"description": "Mode select input: high selects silent mode (driver off, receiver on) and low or open selects normal mode."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The GND pin description in the Chinese pin table reads 'data input' (数据输入), which is inconsistent wi; CANL and CANH descriptions in the datasheet refer to a POL pin ('POL 置高时...') that does not appear i; TXD and RXD are described as referenced to VIO (I/O supply with V suffix), but the CA-IF1051HS is th"
],
"pages_sent": 17,
"cost_usd": 0.0753,
"at": "2026-10-18T14:30:32"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"metadata": {
"specs": {
"Manufacturer": "Chipanalog",
"Package": "SOIC-8",
"Category": "Interface",
"Pins": "8"
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{
"name": "VCC 5-V bus supply voltage (absolute maximum)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 5,
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{
"name": "CAN bus IO voltage (CANH, CANL), H-suffix device",
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{
"name": "Maximum differential voltage CANH to CANL, H-suffix device",
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{
"name": "Logic-side output voltage (RXD)",
"symbol": "V(Logic_Output)",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 5,
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},
{
"name": "RXD receiver output current",
"symbol": "IO(RXD)",
"kind": "absolute_maximum",
"unit": "mA",
"min": -8,
"typ": null,
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"conditions": "",
"source_page": 5,
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{
"name": "Junction temperature",
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{
"name": "Storage temperature",
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"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "5-V bus supply voltage (recommended operating)",
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"unit": "V",
"min": 4.5,
"typ": null,
"max": 5.5,
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"source": "datasheet"
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{
"name": "RXD port high-level output current (recommended)",
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"kind": "recommended_operating",
"unit": "mA",
"min": null,
"typ": null,
"max": -2,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "RXD port low-level output current (recommended)",
"symbol": "IOL(RXD)",
"kind": "recommended_operating",
"unit": "mA",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "5 V supply current, dominant",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": 40,
"typ": null,
"max": 60,
"conditions": "TXD=0V, RL=60 Ohm（显性）",
"source_page": 7,
"source": "datasheet"
},
{
"name": "5 V supply current, dominant",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": 45,
"typ": null,
"max": 80,
"conditions": "TXD=0V, RL=50 Ohm（显性）",
"source_page": 7,
"source": "datasheet"
},
{
"name": "5 V supply current, recessive",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": 1.5,
"typ": null,
"max": 2.5,
"conditions": "TXD=Vcc, RL=50 Ohm（隐性）",
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"source": "datasheet"
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{
"name": "5 V supply current, silent mode",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": 1.5,
"typ": null,
"max": 2.5,
"conditions": "S=Vcc（静默模式）",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Vcc UVLO voltage, rising",
"symbol": "Vuv_vcc",
"kind": "electrical",
"unit": "V",
"min": 4.2,
"typ": null,
"max": 4.4,
"conditions": "",
"source_page": 7,
"source": "datasheet"
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{
"name": "Vcc UVLO voltage, falling",
"symbol": "Vuv_vcc",
"kind": "electrical",
"unit": "V",
"min": 3.8,
"typ": 4,
"max": 4.25,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Mode select S input low-level leakage current",
"symbol": "IIL",
"kind": "electrical",
"unit": "uA",
"min": -2,
"typ": null,
"max": 2,
"conditions": "S=0V，Vcc=Vio=5.5V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Mode select S input leakage when unpowered",
"symbol": "Ilek(off)",
"kind": "electrical",
"unit": "uA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "S=5.5V, Vcc=Vio=0V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "TXD input high-level leakage current",
"symbol": "IIH",
"kind": "electrical",
"unit": "uA",
"min": -2.5,
"typ": 0,
"max": 1,
"conditions": "S=Vcc 或者 Vio=5.5V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "TXD input low-level leakage current",
"symbol": "IIL",
"kind": "electrical",
"unit": "uA",
"min": -100,
"typ": -25,
"max": -7,
"conditions": "S=0V，Vcc=Vio=5.5V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "TXD input leakage when unpowered",
"symbol": "Ilek(off)",
"kind": "electrical",
"unit": "uA",
"min": -1,
"typ": 0,
"max": 1,
"conditions": "S=5.5V, Vcc=Vio=0V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "RXD output high-level voltage (non-V suffix)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": 4.6,
"conditions": "不带有”V”后缀(只有 5V), Io=-2mA",
"source_page": 7,
"source": "datasheet"
},
{
"name": "RXD output low-level voltage (non-V suffix)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": 0.2,
"typ": null,
"max": 0.4,
"conditions": "不带有”V”后缀(只有 5V), Io=+2mA",
"source_page": 7,
"source": "datasheet"
},
{
"name": "RXD output leakage when unpowered",
"symbol": "Ilek(off)",
"kind": "electrical",
"unit": "uA",
"min": -1,
"typ": 0,
"max": 1,
"conditions": "S=5.5V, Vcc=Vio=0V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Single-ended dominant output voltage, CANH",
"symbol": "VO(DOM)",
"kind": "electrical",
"unit": "V",
"min": 2.75,
"typ": null,
"max": 4.5,
"conditions": "TXD=低，S=0V, RL=50-65Ohm, CANH 端口",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Single-ended dominant output voltage, CANL",
"symbol": "VO(DOM)",
"kind": "electrical",
"unit": "V",
"min": 0.5,
"typ": null,
"max": 2.25,
"conditions": "TXD=低，S=0V, RL=50-65Ohm, CANL 端口",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Differential dominant output voltage",
"symbol": "V O(DOM)",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 3,
"conditions": "TXD=低，RL=60 Ohm , RCM =165 Ohm, -5V=<VCM <=+10V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Differential dominant output voltage",
"symbol": "V O(DOM)",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": 3,
"conditions": "TXD=低，RL=45-50 Ohm , RCM open",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Differential dominant output voltage",
"symbol": "V O(DOM)",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 5,
"conditions": "TXD=低，RL=2240 Ohm , RCM open",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Single-ended recessive output voltage, CANH",
"symbol": "VO(REC)",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": 3,
"conditions": "TXD=高，无负载, CANH 端口",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Single-ended recessive output voltage, CANL",
"symbol": "VO(REC)",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": 3,
"conditions": "TXD=高，无负载, CANL 端口",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Differential recessive output voltage",
"symbol": "VOD(REC)",
"kind": "electrical",
"unit": "mV",
"min": -120,
"typ": null,
"max": 12,
"conditions": "TXD=高，S=0V, RL=60 Ohm",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Differential recessive output voltage",
"symbol": "VOD(REC)",
"kind": "electrical",
"unit": "mV",
"min": -50,
"typ": null,
"max": 50,
"conditions": "TXD=高，S=0V, 无负载",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Short-circuit current, recessive",
"symbol": "IOS(SS_rec)",
"kind": "electrical",
"unit": "mA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "TXD=高，VBUS 从-27V 到 32V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Transient symmetry (dominant and recessive)",
"symbol": "Vsys",
"kind": "electrical",
"unit": "V/V",
"min": 0.9,
"typ": null,
"max": 1.1,
"conditions": "RL=60 Ohm, RCM open,Txd=250k Hz,1M Hz",
"source_page": 8,
"source": "datasheet"
},
{
"name": "DC symmetry (dominant and recessive)",
"symbol": "Vsys_dc",
"kind": "electrical",
"unit": "V",
"min": -0.4,
"typ": null,
"max": 0.4,
"conditions": "RL=60 Ohm, RCM open",
"source_page": 8,
"source": "datasheet"
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{
"name": "Common-mode input voltage range",
"symbol": "VCM",
"kind": "electrical",
"unit": "V",
"min": -30,
"typ": null,
"max": 30,
"conditions": "CANH 或者 CANL 到地，RXD 输出有效",
"source_page": 8,
"source": "datasheet"
},
{
"name": "CANH/CANL input resistance",
"symbol": "RIN",
"kind": "electrical",
"unit": "K OHm",
"min": 15,
"typ": null,
"max": 40,
"conditions": "TXD=高，Vcm 从 -30V 到 30V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Differential input resistance",
"symbol": "RDIFF",
"kind": "electrical",
"unit": "K OHm",
"min": 30,
"typ": null,
"max": 80,
"conditions": "TXD=高，Vcm 从 -30V 到 30V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input resistance matching",
"symbol": "RDIFF(M)",
"kind": "electrical",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "CANH=CANL=5V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input capacitance, CANH or CANL to ground",
"symbol": "CIN",
"kind": "electrical",
"unit": "pF",
"min": 24,
"typ": null,
"max": 30,
"conditions": "CANH 或者 CANL 到地",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Differential input capacitance, CANH to CANL",
"symbol": "CIN_DIFF",
"kind": "electrical",
"unit": "pF",
"min": 12,
"typ": null,
"max": 15,
"conditions": "CANH 到 CANL",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Fault protection range, CANH or CANL to ground",
"symbol": "VFAULT",
"kind": "electrical",
"unit": "V",
"min": -70,
"typ": null,
"max": 70,
"conditions": "CANH 或者 CANL 到地",
"source_page": 9,
"source": "datasheet"
},
{
"name": "TXD dominant timeout",
"symbol": "tDOM",
"kind": "timing",
"unit": "ms",
"min": 1.2,
"typ": null,
"max": 3.8,
"conditions": "RL=60 Ohm,CL open",
"source_page": 8,
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{
"name": "Loop delay, recessive to dominant",
"symbol": "Tloop1",
"kind": "timing",
"unit": "ns",
"min": 100,
"typ": null,
"max": 160,
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"name": "Loop delay, dominant to recessive",
"symbol": "Tloop2",
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"min": 110,
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"name": "Bit time, bus side",
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"unit": "ns",
"min": 435,
"typ": null,
"max": 530,
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"min": null,
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"min": null,
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"min": null,
"typ": 180,
"max": null,
"conditions": "TXD=0V, CANH=-12V（显性）",
"source_page": 7,
"source": "datasheet"
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"min": null,
"typ": 100,
"max": null,
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"source_page": 6,
"source": "datasheet"
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"unit": "°C/W",
"min": null,
"typ": 40,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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