component
TX4131L
Public Made by Adomby adom
XDS DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"title": "TX4131L",
"brief": "XDS DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"manufacturer": "XDS",
"package": "SOP-8",
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"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
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"digikey": {
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"status": "no match"
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"pins": [
{
"number": "1",
"name": "DRV",
"type": "output",
"description": "Drives the gate of the external MOSFET; the DRV pin voltage is stated as 5.5 V with 30 ns typical rise and fall times at a 1 nF load."
},
{
"number": "2",
"name": "VDD",
"type": "power_in",
"description": "Chip supply input; the VDD clamp voltage is 33 V, undervoltage protection turns on at a rising VDD of 6 V and off at a falling VDD of 4 V, and the startup current is 40-100 µA at VDD=5 V."
},
{
"number": "3",
"name": "FB1",
"type": "input",
"description": "Positive input of the output-voltage feedback; FB1 and FB2 are the divider inputs for constant-voltage regulation, with a stated FB1-FB2 difference of 369-391 mV (typically 380 mV) and an absolute limit of -0.3 V to 6 V."
},
{
"number": "4",
"name": "FB2",
"type": "input",
"description": "Negative input of the output-voltage feedback, paired with FB1 to set the constant output voltage; its absolute limit is -0.3 V to 6 V."
},
{
"number": "5",
"name": "LDO",
"type": "power_out",
"description": "Internal 5 V LDO output that requires an external capacitor; the datasheet lists the LDO voltage as 5.5 V, and the absolute limit for this pin is -0.3 V to 6 V."
},
{
"number": "6",
"name": "VSN",
"type": "input",
"description": "Negative input for inductor current sensing; the VSP-VSN voltage drop is 145-155 mV (typically 150 mV) and the absolute limit is -0.3 V to 6 V."
},
{
"number": "7",
"name": "VSS",
"type": "power_in",
"description": "Chip ground pin; the datasheet labels it as chip ground (listed as 'output' in the source text), and it is the reference for the device."
},
{
"number": "8",
"name": "VSP",
"type": "input",
"description": "Positive input for inductor current sensing, used with VSN to set the peak current limit; the absolute limit is -0.3 V to 6 V."
}
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],
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"cost_usd": 0.0342,
"at": "2026-10-15T10:02:44"
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"sha256": "6d209f099c99f039",
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"metadata": {
"specs": {
"Manufacturer": "XDS",
"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
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"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "VDD pin maximum voltage",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 33,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "FB1, FB2, LDO, VSP, VSN, DRV maximum voltage",
"symbol": "VMAX",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ESOP8 package maximum power dissipation",
"symbol": "PMAX",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
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"max": 0.8,
"conditions": "",
"source_page": 3,
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{
"name": "Operating temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 120,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Soldering temperature",
"symbol": "TSD",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 240,
"conditions": "焊接，10秒",
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{
"name": "ESD withstand voltage",
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{
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"min": 145,
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"conditions": "",
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{
"name": "FB1, FB2 voltage difference",
"symbol": "VFB",
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"unit": "mV",
"min": 369,
"typ": 380,
"max": 391,
"conditions": "",
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},
{
"name": "Startup current",
"symbol": "Istartup",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 40,
"max": 100,
"conditions": "VDD=5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VDD clamp voltage",
"symbol": "VDD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 33,
"max": null,
"conditions": "IVDD<10mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Undervoltage protection turn-on threshold",
"symbol": "VDD_ON",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 6,
"max": null,
"conditions": "VDD上升",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Undervoltage protection turn-off threshold",
"symbol": "VDD_OFF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4,
"max": null,
"conditions": "VDD下降",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating current",
"symbol": "IOP",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1,
"max": null,
"conditions": "DRV负载 1nF电容",
"source_page": 4,
"source": "datasheet"
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{
"name": "Overcurrent protection threshold",
"symbol": "VCS_LMT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 300,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Switching frequency",
"symbol": "Fs",
"kind": "electrical",
"unit": "KHz",
"min": null,
"typ": 140,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DRV pin voltage",
"symbol": "VDRV",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 5.5,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DRV rise time",
"symbol": "TRISE",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 30,
"max": null,
"conditions": "DRV脚 1nF电容",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DRV fall time",
"symbol": "TFALL",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 30,
"max": null,
"conditions": "DRV脚 1nF电容",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Overtemperature protection threshold",
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"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 150,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "LDO output voltage",
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"kind": "electrical",
"unit": "V",
"min": null,
"typ": 5.5,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
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