component
TPS16850VMAR - 9 V to 80 V, 20 A eFuse
Public Made by Adomby adom
Texas Instruments TPS16850VMAR: 9 V to 80 V, 20 A stackable integrated hot-swap eFuse with a 3.5 mOhm FET, fast current monitor and auto-retry fault response, LQFN-CLIP-23 (VMA, 6.0 x 5.0 mm). KiCad symbol and footprint, Fusion and Altium libraries, datasheet-built 3D model and datasheet.
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{
"slug": "tps16850vmar",
"version": "0.1.0",
"type": "hardware",
"kind": "component",
"org": "adom",
"title": "TPS16850VMAR - 9 V to 80 V, 20 A eFuse",
"brief": "Texas Instruments TPS16850VMAR: 9 V to 80 V, 20 A stackable integrated hot-swap eFuse with a 3.5 mOhm FET, fast current monitor and auto-retry fault response, LQFN-CLIP-23 (VMA, 6.0 x 5.0 mm). KiCad symbol and footprint, Fusion and Altium libraries, datasheet-built 3D model and datasheet.",
"description": "Texas Instruments TPS16850VMAR: integrated hot-swap eFuse for 9 V to 80 V rails, 3.5 mOhm (typ) FET, 2 A to 20 A adjustable circuit breaker, 73 A fixed fast trip, auto-retry, parallel operation with current sharing, analog current and temperature monitors, LQFN-CLIP-23 (VMA0023A, 6.0 x 5.0 x 1.5 mm max).",
"license": "CC-BY-4.0",
"tags": [
"component",
"ic",
"power",
"efuse",
"hot-swap",
"circuit-protection",
"texas-instruments",
"lqfn",
"48v"
],
"discovery_triggers": [
"TPS16850VMAR",
"TPS16850",
"TPS1685",
"TPS1685x",
"80 V eFuse",
"20 A eFuse",
"48 V hot-swap eFuse",
"VMA0023A"
],
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"visibility": {
"public": true
},
"component": {
"mpn": "TPS16850VMAR",
"manufacturer": "Texas Instruments",
"package": "LQFN-CLIP-23 (TI VMA0023A, 6.0 x 5.0 mm, 1.5 mm max height)",
"pin_count": 23,
"category": "Power management",
"subcategory": "Hot-swap controller / eFuse",
"lifecycle": "Active",
"datasheet": "https://www.ti.com/lit/ds/symlink/tps1685.pdf",
"product_page": "https://www.ti.com/product/TPS1685/part-details/TPS16850VMAR",
"body_size": {
"x_mm": 6,
"y_mm": 5,
"z_mm": 1.5,
"pitch_mm": 0.5
},
"parts": {
"symbol": "tps16850vmar.kicad_sym",
"footprint": "tps16850vmar.kicad_mod",
"model_3d": "tps16850vmar-hero.glb",
"model_3d_plain": "tps16850vmar-etched.glb",
"model_3d_step": "tps16850vmar-etched.step",
"model_3d_step_plain": "tps16850vmar.step",
"step": "tps16850vmar-etched.step",
"lbr": "tps16850vmar.lbr",
"datasheet": "docs/tps16850vmar-datasheet.pdf"
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"viewer_3d": {
"ground": false,
"animate": false,
"shadows": false,
"tooltips": "authored"
},
"models": "models.json",
"lod": "lod/manifest.json",
"verification": "verification.json",
"heatsink_vias": "artwork/TPS16850VMAR-heatsink-via.json",
"marking": {
"lines": [
"TPS16850",
"VMAR"
],
"virtual": true,
"note": "Virtual identification mark (the orderable MPN), not TI's real marking. TI marks this part TPS16850 (SLVSHA1D p.50, Package Option Addendum).",
"surface": "top",
"colour": "light on dark grey mould",
"gate": "PASS",
"provenance": "provenance/3d-model.json"
},
"pins": [
{
"number": "1",
"name": "ILIM",
"type": "passive",
"group": "Current monitor",
"description": "A resistor to GND sets the active current-sharing threshold in steady state; also this device's current monitor output. Do not leave floating (p.4)."
},
{
"number": "2",
"name": "IMON",
"type": "passive",
"group": "Current monitor",
"description": "A resistor to GND sets the overcurrent and fast-trip thresholds; also a fast, accurate analog load-current monitor output in steady state. Do not leave floating (p.4)."
},
{
"number": "3",
"name": "IREF",
"type": "passive",
"group": "Current setting",
"description": "Reference voltage (0.3 V to 1.2 V) for the overcurrent, short-circuit and current-sharing blocks: internal current source into a resistor, or driven externally. Do not leave floating (p.4, p.7)."
},
{
"number": "4",
"name": "dVdT",
"type": "passive",
"group": "Control",
"description": "Output slew-rate control at start-up: open for the fastest start-up, a capacitor to GND slows the slew rate to limit inrush (p.4)."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"group": "Ground",
"description": "Device ground reference. Connect to system ground (p.4)."
},
{
"number": "6",
"name": "SFT_SEL",
"type": "passive",
"group": "Current setting",
"description": "A resistor to GND selects the scalable fast-trip threshold multiplier. Not recommended to leave floating (p.5)."
},
{
"number": "7",
"name": "OUT",
"type": "power_out",
"group": "Power out",
"description": "Power output (FET source). Solder to the output power plane uniformly for heat dissipation (p.5)."
},
{
"number": "8",
"name": "OUT",
"type": "power_out",
"group": "Power out",
"description": "Power output, same node as pin 7 (p.5)."
},
{
"number": "9",
"name": "VDD",
"type": "power_in",
"group": "Power in",
"description": "Controller supply, 9 V to 80 V. Connect to VIN through a series resistor and decouple to GND (p.5, p.7)."
},
{
"number": "10",
"name": "IN",
"type": "power_in",
"group": "Power in",
"description": "Power input (FET drain). Solder to the input power plane uniformly for heat dissipation (SLVSHA1D p.5, Table 5-1)."
},
{
"number": "11",
"name": "NC",
"type": "no_connect",
"group": "No connect",
"description": "Do not connect anything to this pin (p.5)."
},
{
"number": "12",
"name": "MODE",
"type": "input",
"group": "Control",
"description": "Floating = standalone or primary device; tied to GND = secondary to a primary eFuse or controller in a parallel chain (p.5)."
},
{
"number": "13",
"name": "~{FLT}",
"type": "open_collector",
"group": "Status",
"description": "Open-drain active-low fault output, pulled low on a fault. Pull up to an external supply with a resistor (p.5)."
},
{
"number": "14",
"name": "ITIMER",
"type": "passive",
"group": "Current setting",
"description": "A capacitor to GND sets the overcurrent blanking interval during which the current may exceed the overcurrent threshold, below fast trip (p.5)."
},
{
"number": "15",
"name": "TEMP",
"type": "bidirectional",
"group": "Status",
"description": "Analog junction-temperature output; TEMP pins of parallel devices can be tied to report the hottest device (p.5)."
},
{
"number": "16",
"name": "EN/UVLO",
"type": "input",
"group": "Control",
"description": "Active-high enable. A resistor divider from the input supply sets the undervoltage threshold. Do not leave floating (p.5)."
},
{
"number": "17",
"name": "NC",
"type": "no_connect",
"group": "No connect",
"description": "Do not connect anything to this pin (p.5)."
},
{
"number": "18",
"name": "OVP",
"type": "input",
"group": "Control",
"description": "Overvoltage set point: resistor divider from VIN. Do not leave floating (p.5)."
},
{
"number": "19",
"name": "PGOOD",
"type": "open_collector",
"group": "Status",
"description": "Open-drain power-good output, asserted high in steady state; weak internal pull-up (p.5)."
},
{
"number": "20",
"name": "SWEN",
"type": "bidirectional",
"group": "Status",
"description": "Open-drain signal that reports and controls the power-switch state; tied across a parallel chain to synchronise the devices. Weak internal pull-up (p.5)."
},
{
"number": "21",
"name": "NC",
"type": "no_connect",
"group": "No connect",
"description": "Do not connect anything to this pin (p.5)."
},
{
"number": "22",
"name": "IN",
"type": "power_in",
"group": "Power in",
"description": "Power input, same node as pins 10, 23 and the exposed pad (p.5)."
},
{
"number": "23",
"name": "IN",
"type": "power_in",
"group": "Power in",
"description": "Power input, same node as pins 10, 22 and the exposed pad (p.5)."
},
{
"number": "24",
"name": "IN",
"type": "power_in",
"group": "Power in",
"description": "Exposed thermal pad (PowerPAD), electrically IN: solder it to the input power plane for heat dissipation (p.5).",
"note": "exposed thermal pad (PowerPAD), electrically IN"
}
],
"distributor_links": {
"mouser": {
"part": "595-TPS16850VMAR",
"url": "https://www.mouser.com/en/ProductDetail/Texas-Instruments/TPS16850VMAR?qs=3GbUB62Nf7feTcUOtfOsAg%3D%3D",
"stock": 13048,
"checked": "2026-10-21"
},
"digikey": {
"part": "296-TPS16850VMARTR-ND",
"url": "https://www.digikey.com/en/products/detail/texas-instruments/TPS16850VMAR/29178296",
"stock": 0,
"checked": "2026-10-21"
},
"lcsc": false,
"lcsc_note": "2026-10-21: no LCSC/JLCPCB listing for TPS16850VMAR (adom-parts-search). JLCPCB lists the latch-off sibling TPS16851VMAR as C48705346, a different part."
},
"provenance": {
"datasheet": {
"doc": "TI SLVSHA1D (Rev. D, September 2024, revised July 2026), TPS1685x",
"file": "docs/tps16850vmar-datasheet.pdf",
"sha256": "fe9d96bfb8f8e13b5cd69cb8eb19f73c87d5f1945637e00308aff68077f31f0c",
"pages": 57,
"url": "https://www.ti.com/lit/ds/symlink/tps1685.pdf"
},
"model_3d": "provenance/3d-model.json",
"footprint": "provenance/footprint-check.json"
}
},
"dependencies": {},
"eda_assets": {
"kicad": {
"symbol": "tps16850vmar.kicad_sym",
"footprint": "tps16850vmar.kicad_mod",
"model": "tps16850vmar-etched.step",
"provenance": "authored"
},
"fusion": {
"lbr": "tps16850vmar.lbr",
"provenance": "authored"
},
"altium": {
"schlib": "altium/TPS16850VMAR.SchLib",
"pcblib": "altium/TPS16850VMAR.PcbLib",
"provenance": "authored"
}
},
"source": {
"tool": "texas-instruments",
"url": "https://www.ti.com/product/TPS1685/part-details/TPS16850VMAR"
},
"updated_at": "2026-10-21T18:43:46.367Z"
}