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TPS77533PWP
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, HTSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+57@@ -0,0 +1,57 @@+# TPS77533PWP++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · HTSSOP-20++TPS77533PWP from Texas Instruments, in a HTSSOP-20. 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 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 2 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 3 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 4 | NC | unconnected | No internal connection. |+| 5 | EN | input | Negative-polarity enable input; a TTL high shuts the regulator down, and the absolute maximum voltage at EN is -0.3 V to +16.5 V. |+| 6 | IN | power_in | Input voltage pin for the regulator; the absolute maximum input voltage range is -0.3 V to +13.5 V. |+| 7 | IN | power_in | Input voltage pin for the regulator; the absolute maximum input voltage range is -0.3 V to +13.5 V. |+| 8 | NC | unconnected | No internal connection. |+| 9 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 10 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 11 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 12 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 13 | OUT | power_out | Regulated output voltage pin; the absolute maximum voltage range at OUT is 7 V. |+| 14 | OUT | power_out | Regulated output voltage pin; the absolute maximum voltage range at OUT is 7 V. |+| 15 | FB/NC | unconnected | Feedback pin used only on the adjustable versions; on the fixed-output TPS77533 it is not internally connected. |+| 16 | RESET/PG | output | Open-drain RESET output on the TPS775xx (this fixed 3.3 V part), taking the output low when the regulated output falls to 92%-98% of nominal; it needs a pullup resistor and its maximum voltage is 16.5 V. |+| 17 | NC | unconnected | No internal connection. |+| 18 | NC | unconnected | No internal connection. |+| 19 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 20 | GND | power_in | Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking. |+| 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 |+| Category | Power Management (PMIC) |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TPS77533PWP`+- Footprint: `Package_SO:TSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP2.15x3.35mm`+- 3D model: HTSSOP-20, 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: `tps77533pwp-etched.step` / `tps77533pwp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps77533pwp.step` / `tps77533pwp.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/tps776) (36 pp, sha256 `8829e2a477a2c896`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/tps77533pwp-datasheet.pdf)
page.jsonadded+279@@ -0,0 +1,279 @@+{+ "slug": "tps77533pwp",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, HTSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps77533pwp",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps77533pwp.kicad_sym",+ "tps77533pwp.kicad_mod",+ "tps77533pwp.glb",+ "tps77533pwp.step",+ "tps77533pwp.lbr",+ "docs/hero.png",+ "docs/tps77533pwp-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps77533pwp-hero.glb",+ "tps77533pwp-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS77533PWP",+ "manufacturer": "Texas Instruments",+ "package": "HTSSOP-20",+ "pin_count": 21,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps776",+ "parts": {+ "symbol": "tps77533pwp.kicad_sym",+ "footprint": "tps77533pwp.kicad_mod",+ "model_3d": "tps77533pwp-hero.glb",+ "model_3d_plain": "tps77533pwp.glb",+ "model_3d_step": "tps77533pwp-etched.step",+ "model_3d_step_plain": "tps77533pwp.step",+ "lbr": "tps77533pwp.lbr"+ },+ "distributor_links": {+ "lcsc": "C201967",+ "digikey": "296-8126-5-ND",+ "mouser": "595-TPS77533PWP"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T19:02:21Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-8126-5-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS77533PWP",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "5",+ "name": "EN",+ "type": "input",+ "description": "Negative-polarity enable input; a TTL high shuts the regulator down, and the absolute maximum voltage at EN is -0.3 V to +16.5 V."+ },+ {+ "number": "6",+ "name": "IN",+ "type": "power_in",+ "description": "Input voltage pin for the regulator; the absolute maximum input voltage range is -0.3 V to +13.5 V."+ },+ {+ "number": "7",+ "name": "IN",+ "type": "power_in",+ "description": "Input voltage pin for the regulator; the absolute maximum input voltage range is -0.3 V to +13.5 V."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "11",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "13",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated output voltage pin; the absolute maximum voltage range at OUT is 7 V."+ },+ {+ "number": "14",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated output voltage pin; the absolute maximum voltage range at OUT is 7 V."+ },+ {+ "number": "15",+ "name": "FB/NC",+ "type": "unconnected",+ "description": "Feedback pin used only on the adjustable versions; on the fixed-output TPS77533 it is not internally connected."+ },+ {+ "number": "16",+ "name": "RESET/PG",+ "type": "output",+ "description": "Open-drain RESET output on the TPS775xx (this fixed 3.3 V part), taking the output low when the regulated output falls to 92%-98% of nominal; it needs a pullup resistor and its maximum voltage is 16.5 V."+ },+ {+ "number": "17",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "18",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "19",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "number": "20",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, listed as GND/HSINK in the pin configuration and intended to be tied to the ground plane for heat sinking."+ },+ {+ "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-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The TSSOP-20 pin table gives a PAD/TAB (thermal pad) that is not a numbered pin. It should be solder; Pin 15 is FB/NC. The TPS77533 is a fixed-output part, so the FB pin is not connected; it is typed as; Pin 16 is printed as RESET/PG. For TPS77533 (TPS775xx family) it is the open-drain RESET output; PG ",+ "exposed pad 21 added from the footprint"+ ],+ "pages_sent": 14,+ "cost_usd": 0.1067,+ "at": "2026-10-08T19:01:57"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps776",+ "pages": 36,+ "sha256": "8829e2a477a2c896",+ "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"+ },+ "models_3d": [+ {+ "file": "tps77533pwp.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.41,+ 6.5,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "ae691d9f4cb87919a598b93f314caa88a235ac3441dbe034f313929a816351eb",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps77533pwp-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.41,+ 6.5,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5ff27f1ac7f511c030e0555305c209d4979e7574512184f6ed196238aa0a5d8f",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}