component
LM2853MHX-2.5
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-14-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "LM2853MHX-2.5",
"manufacturer": "Texas Instruments",
"package": "HTSSOP-14-EP",
"pin_count": 15,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm2853",
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"distributor_links": {
"lcsc": "C2072690",
"digikey": "LM2853MHX-2.5-ND",
"mouser": "926-LM2853MHX-25"
},
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"checked_at": "2026-10-07T02:06:17Z",
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"status": "found",
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"status": "found",
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},
"pins": [
{
"number": "1",
"name": "AVIN",
"type": "power_in",
"description": "Input supply voltage for control logic with operating range 3V to 5.5V per recommended operating conditions"
},
{
"number": "2",
"name": "EN",
"type": "input",
"description": "Enable control input; regulator enabled when above 75% of AVIN, disabled when below 25% of AVIN"
},
{
"number": "3",
"name": "SGND",
"type": "power_in",
"description": "Low noise ground reference for control and signal circuitry"
},
{
"number": "4",
"name": "SS",
"type": "input",
"description": "Soft-start control node; connect 1nF to 50nF external capacitor to set startup ramp time"
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; pin must be tied to ground externally"
},
{
"number": "6",
"name": "PVIN",
"type": "power_in",
"description": "Power supply input for switching stage with operating range 1.5V to 5.5V per recommended operating conditions"
},
{
"number": "7",
"name": "PVIN",
"type": "power_in",
"description": "Power supply input for switching stage with operating range 1.5V to 5.5V per recommended operating conditions"
},
{
"number": "8",
"name": "SW",
"type": "output",
"description": "High-frequency switch node output driven by internal synchronous FETs at 550kHz; connect to output filter inductor"
},
{
"number": "9",
"name": "SW",
"type": "output",
"description": "High-frequency switch node output driven by internal synchronous FETs at 550kHz; connect to output filter inductor"
},
{
"number": "10",
"name": "PGND",
"type": "power_in",
"description": "Power ground for output stage; connect to ground plane for thermal performance and noise reduction"
},
{
"number": "11",
"name": "PGND",
"type": "power_in",
"description": "Power ground for output stage; connect to ground plane for thermal performance and noise reduction"
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; pin must be tied to ground externally"
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; pin must be tied to ground externally"
},
{
"number": "14",
"name": "SNS",
"type": "input",
"description": "Output voltage feedback sense input with 432kΩ internal resistance; connect to output voltage divider or capacitor ESR node"
},
{
"number": "15",
"name": "EP",
"type": "power_in",
"description": "Thermal exposed pad internally connected to ground; solder to external ground plane for improved thermal dissipation and regulation performance"
}
],
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"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 26,
"cost_usd": 0.1705,
"at": "2026-10-07T02:06:00"
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"pages": 26,
"sha256": "2e1d0a460160f6e1",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
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"total": 15,
"described": 15,
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