component
LM21215AMHX-1
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 @@+# LM21215AMHX-1++**Texas Instruments** · DC-DC Converters · HTSSOP-20-EP++LM21215AMHX-1 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 | SYNC | input | Frequency synchronization input; 300 kHz to 1.5 MHz clock range forces device switching at clock frequency. |+| 2 | SS/TRK | input | Soft-start and tracking control input charged by internal 1.9 µA source (typical) to set output voltage ramp rate. |+| 3 | EN | input | Active high precision enable input with 1.35 V rising threshold, 2 µA internal pullup current. |+| 4 | AVIN | power_in | Analog input voltage supply for internal bias; 2.95 V to 5.5 V operating range, 2.7 V UVLO threshold. |+| 5 | PVIN | power_in | Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together, tolerate 6.5 V transient for 6 ns. |+| 6 | PVIN | power_in | Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together, locate low ESR input capacitors close by. |+| 7 | PVIN | power_in | Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together at device. |+| 8 | PGND | power_in | Power ground return for internal power switches; connect to PC board ground plane. |+| 9 | PGND | power_in | Power ground return for internal power switches; connect to PC board ground plane. |+| 10 | PGND | power_in | Power ground return for internal power switches; connect to PC board ground plane. |+| 11 | SW | output | Switch node output to filter inductor; tie pins 11-16 together locally, tolerate transient voltages ±0.3 V to VPVIN+0.3 V. |+| 12 | SW | output | Switch node output to filter inductor; tie pins 11-16 together locally. |+| 13 | SW | output | Switch node output to filter inductor; tie pins 11-16 together locally. |+| 14 | SW | output | Switch node output to filter inductor; tie pins 11-16 together locally. |+| 15 | SW | output | Switch node output to filter inductor; tie pins 11-16 together locally. |+| 16 | SW | output | Switch node output to filter inductor; tie pins 11-16 together locally. |+| 17 | PGOOD | output | Open-drain power good indicator with 20 Ω typical pulldown resistance; pulled low on OVP, UVP, or EN fault conditions. |+| 18 | COMP | output | Error amplifier output for compensation network with 1 mA source current and 65 µA sink current. |+| 19 | FB | input | Feedback input to error amplifier inverting input regulated at 0.6 V nominal output voltage, ±1% accuracy. |+| 20 | AGND | power_in | Quiet analog ground for internal reference and bias circuitry; keep traces away from switching noise. |+| 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 Management (PMIC) |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `LM21215AMHX-1`+- 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: `lm21215amhx-1-etched.step` / `lm21215amhx-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm21215amhx-1.step` / `lm21215amhx-1.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/lm21215a) (41 pp, sha256 `1a78c465ce28785b`, 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-4-6` (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/lm21215amhx-1-datasheet.pdf)
page.jsonadded+231@@ -0,0 +1,231 @@+{+ "slug": "lm21215amhx-1",+ "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 management (pmic)",+ "lm21215amhx-1",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm21215amhx-1.kicad_sym",+ "lm21215amhx-1.kicad_mod",+ "lm21215amhx-1.glb",+ "lm21215amhx-1.step",+ "lm21215amhx-1.lbr",+ "docs/hero.png",+ "docs/lm21215amhx-1-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM21215AMHX-1",+ "manufacturer": "Texas Instruments",+ "package": "HTSSOP-20-EP",+ "pin_count": 21,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm21215a",+ "parts": {+ "symbol": "lm21215amhx-1.kicad_sym",+ "footprint": "lm21215amhx-1.kicad_mod",+ "model_3d": "lm21215amhx-1-etched.glb",+ "model_3d_plain": "lm21215amhx-1.glb",+ "model_3d_step": "lm21215amhx-1-etched.step",+ "model_3d_step_plain": "lm21215amhx-1.step",+ "lbr": "lm21215amhx-1.lbr"+ },+ "distributor_links": {+ "lcsc": "C544603"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T17:51:36Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SYNC",+ "type": "input",+ "description": "Frequency synchronization input; 300 kHz to 1.5 MHz clock range forces device switching at clock frequency."+ },+ {+ "number": "2",+ "name": "SS/TRK",+ "type": "input",+ "description": "Soft-start and tracking control input charged by internal 1.9 µA source (typical) to set output voltage ramp rate."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "Active high precision enable input with 1.35 V rising threshold, 2 µA internal pullup current."+ },+ {+ "number": "4",+ "name": "AVIN",+ "type": "power_in",+ "description": "Analog input voltage supply for internal bias; 2.95 V to 5.5 V operating range, 2.7 V UVLO threshold."+ },+ {+ "number": "5",+ "name": "PVIN",+ "type": "power_in",+ "description": "Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together, tolerate 6.5 V transient for 6 ns."+ },+ {+ "number": "6",+ "name": "PVIN",+ "type": "power_in",+ "description": "Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together, locate low ESR input capacitors close by."+ },+ {+ "number": "7",+ "name": "PVIN",+ "type": "power_in",+ "description": "Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together at device."+ },+ {+ "number": "8",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return for internal power switches; connect to PC board ground plane."+ },+ {+ "number": "9",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return for internal power switches; connect to PC board ground plane."+ },+ {+ "number": "10",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return for internal power switches; connect to PC board ground plane."+ },+ {+ "number": "11",+ "name": "SW",+ "type": "output",+ "description": "Switch node output to filter inductor; tie pins 11-16 together locally, tolerate transient voltages ±0.3 V to VPVIN+0.3 V."+ },+ {+ "number": "12",+ "name": "SW",+ "type": "output",+ "description": "Switch node output to filter inductor; tie pins 11-16 together locally."+ },+ {+ "number": "13",+ "name": "SW",+ "type": "output",+ "description": "Switch node output to filter inductor; tie pins 11-16 together locally."+ },+ {+ "number": "14",+ "name": "SW",+ "type": "output",+ "description": "Switch node output to filter inductor; tie pins 11-16 together locally."+ },+ {+ "number": "15",+ "name": "SW",+ "type": "output",+ "description": "Switch node output to filter inductor; tie pins 11-16 together locally."+ },+ {+ "number": "16",+ "name": "SW",+ "type": "output",+ "description": "Switch node output to filter inductor; tie pins 11-16 together locally."+ },+ {+ "number": "17",+ "name": "PGOOD",+ "type": "output",+ "description": "Open-drain power good indicator with 20 Ω typical pulldown resistance; pulled low on OVP, UVP, or EN fault conditions."+ },+ {+ "number": "18",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output for compensation network with 1 mA source current and 65 µA sink current."+ },+ {+ "number": "19",+ "name": "FB",+ "type": "input",+ "description": "Feedback input to error amplifier inverting input regulated at 0.6 V nominal output voltage, ±1% accuracy."+ },+ {+ "number": "20",+ "name": "AGND",+ "type": "power_in",+ "description": "Quiet analog ground for internal reference and bias circuitry; keep traces away from switching noise."+ },+ {+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 41,+ "cost_usd": 0.3464,+ "at": "2026-10-01T17:51:13"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm21215a",+ "pages": 41,+ "sha256": "1a78c465ce28785b",+ "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]"+ }+}