component
LM5116MH
Public Made by Adomby adom
Texas Instruments Global Sourcing Parts, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+58@@ -0,0 +1,58 @@+# LM5116MH++**Texas Instruments** · Global Sourcing Parts · HTSSOP-20-EP++LM5116MH from Texas Instruments, in a HTSSOP-20-EP. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VIN | power_in | Chip supply voltage, input voltage monitor, and input to the VCC regulator; operating range 6 V to 100 V. |+| 2 | UVLO | input | Undervoltage lockout input; regulator enters standby mode when below 1.215 V and operational when above 1.215 V with 0.1 V hysteresis. |+| 3 | RT/SYNC | input | Oscillator frequency setting pin; internal resistor to AGND sets switching frequency from 50 kHz to 1 MHz or accepts external clock synchronization via AC-coupled positive edge. |+| 4 | EN | input | Enable control input; regulator enters low-power shutdown below 0.5 V drawing less than 10 µA, normal operation above 3.3 V. |+| 5 | RAMP | input | Ramp generator capacitor connection; external capacitor between this pin and AGND sets ramp slope for emulated current mode control. |+| 6 | AGND | power_in | Analog ground; must be connected to PGND through the exposed pad ground connection. |+| 7 | SS | input | Soft-start capacitor connection; 10-µA internal current source sets soft-start time constant with output reference voltage 1.215 V. |+| 8 | FB | input | Feedback signal input; connected to inverting input of error amplifier with regulation threshold at 1.215 V, operating range −0.3 V to 7 V. |+| 9 | COMP | output | Error amplifier output; loop compensation network (RCOMP, CCOMP) must be connected between this pin and FB pin. |+| 10 | VOUT | input | Output voltage monitor input; connect directly to regulated output for feedback with operating range −0.3 V to 100 V. |+| 11 | DEMB | input | Diode emulation control input monitoring low-side MOSFET source voltage; operation controlled by external resistor with operating range −0.3 V to VCC. |+| 12 | CS | input | Current sense amplifier input; connect to top of current sense resistor or drain of low-side MOSFET with operating range −3.0 V to 100 V. |+| 13 | CSG | power_in | Current sense amplifier reference; connect to bottom of sense resistor or source of low-side MOSFET with operating range −1 V to 1 V. |+| 14 | PGND | power_in | Power ground; must be connected to AGND through the exposed pad ground connection. |+| 15 | LO | output | Low-side MOSFET gate driver output; provides peak sink current 3.5 A and peak source current 1.8 A for gate drive. |+| 16 | VCC | power_in | Internal bias supply output regulated to 7.4 V; locally decouple with low ESR capacitor with minimum source current limit 15 mA. |+| 17 | VCCX | power_in | Optional external VCC supply input; when above 4.5 V the internal VCC regulator disables, must be connected to ground if unused. |+| 18 | HB | power_in | Bootstrap supply for high-side gate driver; charged through bootstrap diode from VCC with HB-to-SW operating range 4.75 V to 15 V. |+| 19 | HO | output | High-side MOSFET gate driver output; provides peak sink current 2.2 A and peak source current 1 A referenced to SW node. |+| 20 | SW | output | Switching node output; connect to bootstrap capacitor negative and high-side MOSFET source with operating range −3.0 V to 100 V. |+| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-20-EP |+| Category | Global Sourcing Parts |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `LM5116MH`+- Footprint: `Package_SO:TSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP2.15x3.35mm`+- 3D model: HTSSOP-20-EP, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.2 mm nominal TSSOP height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `lm5116mh-etched.step` / `lm5116mh-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm5116mh.step` / `lm5116mh.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm5116) (46 pp, sha256 `f2eb85eece02d5e7`, retrieved 2026-10-01, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm5116mh-datasheet.pdf)
page.jsonadded+235@@ -0,0 +1,235 @@+{+ "slug": "lm5116mh",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Global Sourcing Parts, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "global sourcing parts",+ "lm5116mh",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm5116mh.kicad_sym",+ "lm5116mh.kicad_mod",+ "lm5116mh.glb",+ "lm5116mh.step",+ "lm5116mh.lbr",+ "docs/hero.png",+ "docs/lm5116mh-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM5116MH",+ "manufacturer": "Texas Instruments",+ "package": "HTSSOP-20-EP",+ "pin_count": 21,+ "category": "Global Sourcing Parts",+ "subcategory": "Global Sourcing Parts",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm5116",+ "parts": {+ "symbol": "lm5116mh.kicad_sym",+ "footprint": "lm5116mh.kicad_mod",+ "model_3d": "lm5116mh-etched.glb",+ "model_3d_plain": "lm5116mh.glb",+ "model_3d_step": "lm5116mh-etched.step",+ "model_3d_step_plain": "lm5116mh.step",+ "lbr": "lm5116mh.lbr"+ },+ "distributor_links": {+ "lcsc": "C1519427",+ "digikey": "2156-LM5116MH-ND",+ "mouser": "926-LM5116MH"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T18:04:43Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-LM5116MH-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "926-LM5116MH",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VIN",+ "type": "power_in",+ "description": "Chip supply voltage, input voltage monitor, and input to the VCC regulator; operating range 6 V to 100 V."+ },+ {+ "number": "2",+ "name": "UVLO",+ "type": "input",+ "description": "Undervoltage lockout input; regulator enters standby mode when below 1.215 V and operational when above 1.215 V with 0.1 V hysteresis."+ },+ {+ "number": "3",+ "name": "RT/SYNC",+ "type": "input",+ "description": "Oscillator frequency setting pin; internal resistor to AGND sets switching frequency from 50 kHz to 1 MHz or accepts external clock synchronization via AC-coupled positive edge."+ },+ {+ "number": "4",+ "name": "EN",+ "type": "input",+ "description": "Enable control input; regulator enters low-power shutdown below 0.5 V drawing less than 10 µA, normal operation above 3.3 V."+ },+ {+ "number": "5",+ "name": "RAMP",+ "type": "input",+ "description": "Ramp generator capacitor connection; external capacitor between this pin and AGND sets ramp slope for emulated current mode control."+ },+ {+ "number": "6",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground; must be connected to PGND through the exposed pad ground connection."+ },+ {+ "number": "7",+ "name": "SS",+ "type": "input",+ "description": "Soft-start capacitor connection; 10-µA internal current source sets soft-start time constant with output reference voltage 1.215 V."+ },+ {+ "number": "8",+ "name": "FB",+ "type": "input",+ "description": "Feedback signal input; connected to inverting input of error amplifier with regulation threshold at 1.215 V, operating range −0.3 V to 7 V."+ },+ {+ "number": "9",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output; loop compensation network (RCOMP, CCOMP) must be connected between this pin and FB pin."+ },+ {+ "number": "10",+ "name": "VOUT",+ "type": "input",+ "description": "Output voltage monitor input; connect directly to regulated output for feedback with operating range −0.3 V to 100 V."+ },+ {+ "number": "11",+ "name": "DEMB",+ "type": "input",+ "description": "Diode emulation control input monitoring low-side MOSFET source voltage; operation controlled by external resistor with operating range −0.3 V to VCC."+ },+ {+ "number": "12",+ "name": "CS",+ "type": "input",+ "description": "Current sense amplifier input; connect to top of current sense resistor or drain of low-side MOSFET with operating range −3.0 V to 100 V."+ },+ {+ "number": "13",+ "name": "CSG",+ "type": "power_in",+ "description": "Current sense amplifier reference; connect to bottom of sense resistor or source of low-side MOSFET with operating range −1 V to 1 V."+ },+ {+ "number": "14",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground; must be connected to AGND through the exposed pad ground connection."+ },+ {+ "number": "15",+ "name": "LO",+ "type": "output",+ "description": "Low-side MOSFET gate driver output; provides peak sink current 3.5 A and peak source current 1.8 A for gate drive."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Internal bias supply output regulated to 7.4 V; locally decouple with low ESR capacitor with minimum source current limit 15 mA."+ },+ {+ "number": "17",+ "name": "VCCX",+ "type": "power_in",+ "description": "Optional external VCC supply input; when above 4.5 V the internal VCC regulator disables, must be connected to ground if unused."+ },+ {+ "number": "18",+ "name": "HB",+ "type": "power_in",+ "description": "Bootstrap supply for high-side gate driver; charged through bootstrap diode from VCC with HB-to-SW operating range 4.75 V to 15 V."+ },+ {+ "number": "19",+ "name": "HO",+ "type": "output",+ "description": "High-side MOSFET gate driver output; provides peak sink current 2.2 A and peak source current 1 A referenced to SW node."+ },+ {+ "number": "20",+ "name": "SW",+ "type": "output",+ "description": "Switching node output; connect to bootstrap capacitor negative and high-side MOSFET source with operating range −3.0 V to 100 V."+ },+ {+ "number": "21",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "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": 46,+ "cost_usd": 0.3283,+ "at": "2026-10-01T18:04:22"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm5116",+ "pages": 46,+ "sha256": "f2eb85eece02d5e7",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 21,+ "described": 21,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}