component
LM25005MHX
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+58@@ -0,0 +1,58 @@+# LM25005MHX++**Texas Instruments** · DC-DC Converters · HTSSOP-20-EP++LM25005MHX 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 | VCC | power_out | Bias regulator output regulated to 7V (typical) with decoupling capacitor 0.1µF to 1µF required. |+| 2 | SD | input | Shutdown/UVLO input where voltage below 0.7V shuts down regulator, 0.7V to 1.225V is standby mode, above 1.225V enables normal operation, with internal 5µA pull-up when open. |+| 3 | VIN | power_in | Input power supply voltage with nominal operating range of 7V to 42V. |+| 4 | VIN | power_in | Input power supply voltage with nominal operating range of 7V to 42V. |+| 5 | SYNC | tri_state | Oscillator synchronization input/output using open-drain architecture with 15ns minimum pulse width for external clock synchronization or multi-device phasing. |+| 6 | COMP | output | Error amplifier output connected to feedback compensation network between this pin and FB pin. |+| 7 | FB | input | Feedback signal input to error amplifier inverting input with 1.225V reference threshold for output voltage regulation. |+| 8 | RT | input | Oscillator frequency setting input controlled by external resistor to AGND with recommended operating frequency range of 50kHz to 500kHz. |+| 9 | RAMP | input | Ramp generator input controlled by external capacitor (50pF to 2nF) connected between this pin and AGND setting slope compensation. |+| 10 | AGND | power_in | Analog ground reference providing internal bias reference for control functions. |+| 11 | SS | input | Soft start input controlled by external capacitor and internal 10µA current source setting ramp rate, held low during standby/UVLO/thermal shutdown. |+| 12 | OUT | input | Output voltage sensing input directly connected to regulated VOUT for feedback control loop. |+| 13 | PGND | power_in | Power ground reference for integrated gate driver and current sense resistor low side. |+| 14 | PGND | power_in | Power ground reference for integrated gate driver and current sense resistor low side. |+| 15 | IS | input | Current sense input at freewheeling Schottky diode anode with internal sense resistor providing 0.5V/A current measurement for control loop. |+| 16 | IS | input | Current sense input at freewheeling Schottky diode anode with internal sense resistor providing 0.5V/A current measurement for control loop. |+| 17 | SW | output | Switch node output from internal buck MOSFET source terminal connected to Schottky diode anode and output inductor. |+| 18 | SW | output | Switch node output from internal buck MOSFET source terminal connected to Schottky diode anode and output inductor. |+| 19 | PRE | tri_state | Bootstrap capacitor pre-charge open-drain output connected to SW pin, conducting 250ns per cycle before buck switch on-time for light load pre-charging. |+| 20 | BST | power_in | Bootstrap capacitor supply input with 22nF ceramic capacitor charged from VCC through internal bootstrap diode during buck switch off-time. |+| 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 | Power Supply Chip |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `LM25005MHX`+- 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: `lm25005mhx-etched.step` / `lm25005mhx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm25005mhx.step` / `lm25005mhx.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/lm25005) (39 pp, sha256 `cd8d34f54f429d0e`, retrieved 2026-10-05, 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 0.3`, 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/lm25005mhx-datasheet.pdf)
page.jsonadded+240@@ -0,0 +1,240 @@+{+ "slug": "lm25005mhx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "lm25005mhx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm25005mhx.kicad_sym",+ "lm25005mhx.kicad_mod",+ "lm25005mhx.glb",+ "lm25005mhx.step",+ "lm25005mhx.lbr",+ "docs/hero.png",+ "docs/lm25005mhx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm25005mhx-hero.glb",+ "lm25005mhx-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM25005MHX",+ "manufacturer": "Texas Instruments",+ "package": "HTSSOP-20-EP",+ "pin_count": 21,+ "category": "Power Supply Chip",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm25005",+ "parts": {+ "symbol": "lm25005mhx.kicad_sym",+ "footprint": "lm25005mhx.kicad_mod",+ "model_3d": "lm25005mhx-hero.glb",+ "model_3d_plain": "lm25005mhx.glb",+ "model_3d_step": "lm25005mhx-etched.step",+ "model_3d_step_plain": "lm25005mhx.step",+ "lbr": "lm25005mhx.lbr"+ },+ "distributor_links": {+ "lcsc": 206485,+ "digikey": "LM25005MHX-ND",+ "mouser": "926-LM25005MHX"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T22:26:29Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM25005MHX-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM25005MHX",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC",+ "type": "power_out",+ "description": "Bias regulator output regulated to 7V (typical) with decoupling capacitor 0.1µF to 1µF required."+ },+ {+ "number": "2",+ "name": "SD",+ "type": "input",+ "description": "Shutdown/UVLO input where voltage below 0.7V shuts down regulator, 0.7V to 1.225V is standby mode, above 1.225V enables normal operation, with internal 5µA pull-up when open."+ },+ {+ "number": "3",+ "name": "VIN",+ "type": "power_in",+ "description": "Input power supply voltage with nominal operating range of 7V to 42V."+ },+ {+ "number": "4",+ "name": "VIN",+ "type": "power_in",+ "description": "Input power supply voltage with nominal operating range of 7V to 42V."+ },+ {+ "number": "5",+ "name": "SYNC",+ "type": "tri_state",+ "description": "Oscillator synchronization input/output using open-drain architecture with 15ns minimum pulse width for external clock synchronization or multi-device phasing."+ },+ {+ "number": "6",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output connected to feedback compensation network between this pin and FB pin."+ },+ {+ "number": "7",+ "name": "FB",+ "type": "input",+ "description": "Feedback signal input to error amplifier inverting input with 1.225V reference threshold for output voltage regulation."+ },+ {+ "number": "8",+ "name": "RT",+ "type": "input",+ "description": "Oscillator frequency setting input controlled by external resistor to AGND with recommended operating frequency range of 50kHz to 500kHz."+ },+ {+ "number": "9",+ "name": "RAMP",+ "type": "input",+ "description": "Ramp generator input controlled by external capacitor (50pF to 2nF) connected between this pin and AGND setting slope compensation."+ },+ {+ "number": "10",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground reference providing internal bias reference for control functions."+ },+ {+ "number": "11",+ "name": "SS",+ "type": "input",+ "description": "Soft start input controlled by external capacitor and internal 10µA current source setting ramp rate, held low during standby/UVLO/thermal shutdown."+ },+ {+ "number": "12",+ "name": "OUT",+ "type": "input",+ "description": "Output voltage sensing input directly connected to regulated VOUT for feedback control loop."+ },+ {+ "number": "13",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground reference for integrated gate driver and current sense resistor low side."+ },+ {+ "number": "14",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground reference for integrated gate driver and current sense resistor low side."+ },+ {+ "number": "15",+ "name": "IS",+ "type": "input",+ "description": "Current sense input at freewheeling Schottky diode anode with internal sense resistor providing 0.5V/A current measurement for control loop."+ },+ {+ "number": "16",+ "name": "IS",+ "type": "input",+ "description": "Current sense input at freewheeling Schottky diode anode with internal sense resistor providing 0.5V/A current measurement for control loop."+ },+ {+ "number": "17",+ "name": "SW",+ "type": "output",+ "description": "Switch node output from internal buck MOSFET source terminal connected to Schottky diode anode and output inductor."+ },+ {+ "number": "18",+ "name": "SW",+ "type": "output",+ "description": "Switch node output from internal buck MOSFET source terminal connected to Schottky diode anode and output inductor."+ },+ {+ "number": "19",+ "name": "PRE",+ "type": "tri_state",+ "description": "Bootstrap capacitor pre-charge open-drain output connected to SW pin, conducting 250ns per cycle before buck switch on-time for light load pre-charging."+ },+ {+ "number": "20",+ "name": "BST",+ "type": "power_in",+ "description": "Bootstrap capacitor supply input with 22nF ceramic capacitor charged from VCC through internal bootstrap diode during buck switch off-time."+ },+ {+ "number": "21",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "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": [+ "exposed pad 21 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 30,+ "cost_usd": 0.263,+ "at": "2026-10-05T22:26:07"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm25005",+ "pages": 39,+ "sha256": "cd8d34f54f429d0e",+ "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]"+ }+}