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TPS7433D
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# TPS7433D++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++TPS7433D from Texas Instruments, in a SOIC-8. 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 | EN | input | Enable input; applying a TTL high signal shuts down the regulator and reduces quiescent current to less than 1 µA at TJ = 25°C, and the voltage at EN must stay between -0.3 V and VI + 0.3 V. |+| 2 | NC | unconnected | Not connected internally; no internal connection to the regulator. |+| 3 | NC | unconnected | Not connected internally; no internal connection to the regulator. |+| 4 | IN | power_in | Input voltage; recommended input range is 2.5 V to 7 V, with an absolute maximum of 8 V, and an input bypass capacitor of 1 µF or larger improves load transient response and noise rejection when the device is far from the supply. |+| 5 | IN | power_in | Input voltage; recommended input range is 2.5 V to 7 V, with an absolute maximum of 8 V (pin 5 is internally tied to pin 4 as a second IN pin). |+| 6 | GND | power_in | Regulator ground; the output capacitor (minimum 1 µF, ESR at least 300 mΩ) must be connected between OUT and this GND pin. |+| 7 | OUT | power_out | Regulated output voltage; output capacitor minimum 1 µF with ESR of at least 300 mΩ is required between OUT and GND for stability. |+| 8 | SENSE | input | Sense input that must be connected to the regulator output for proper functioning; routing should minimize noise pickup and an RC filter between SENSE and OUT is not recommended because it can cause oscillation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `TPS7433D`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `tps7433d-etched.step` / `tps7433d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps7433d.step` / `tps7433d.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/tps74) (21 pp, sha256 `9ef97f95beada1cf`, 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/tps7433d-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps7433d",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps7433d.kicad_sym",+ "tps7433d.kicad_mod",+ "tps7433d.glb",+ "tps7433d.step",+ "tps7433d.lbr",+ "docs/hero.png",+ "docs/tps7433d-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps7433d-hero.glb",+ "tps7433d-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS7433D",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps74",+ "parts": {+ "symbol": "tps7433d.kicad_sym",+ "footprint": "tps7433d.kicad_mod",+ "model_3d": "tps7433d-hero.glb",+ "model_3d_plain": "tps7433d.glb",+ "model_3d_step": "tps7433d-etched.step",+ "model_3d_step_plain": "tps7433d.step",+ "lbr": "tps7433d.lbr"+ },+ "distributor_links": {+ "lcsc": "C2861684",+ "digikey": "2156-TPS7433D-ND",+ "mouser": "595-TPS7433D"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T16:22:15Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-TPS7433D-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS7433D",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "EN",+ "type": "input",+ "description": "Enable input; applying a TTL high signal shuts down the regulator and reduces quiescent current to less than 1 µA at TJ = 25°C, and the voltage at EN must stay between -0.3 V and VI + 0.3 V."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected internally; no internal connection to the regulator."+ },+ {+ "number": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected internally; no internal connection to the regulator."+ },+ {+ "number": "4",+ "name": "IN",+ "type": "power_in",+ "description": "Input voltage; recommended input range is 2.5 V to 7 V, with an absolute maximum of 8 V, and an input bypass capacitor of 1 µF or larger improves load transient response and noise rejection when the device is far from the supply."+ },+ {+ "number": "5",+ "name": "IN",+ "type": "power_in",+ "description": "Input voltage; recommended input range is 2.5 V to 7 V, with an absolute maximum of 8 V (pin 5 is internally tied to pin 4 as a second IN pin)."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Regulator ground; the output capacitor (minimum 1 µF, ESR at least 300 mΩ) must be connected between OUT and this GND pin."+ },+ {+ "number": "7",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated output voltage; output capacitor minimum 1 µF with ESR of at least 300 mΩ is required between OUT and GND for stability."+ },+ {+ "number": "8",+ "name": "SENSE",+ "type": "input",+ "description": "Sense input that must be connected to the regulator output for proper functioning; routing should minimize noise pickup and an RC filter between SENSE and OUT is not recommended because it can cause oscillation."+ }+ ],+ "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: Pin 5 description states it is internally tied to pin 4; the datasheet lists IN on pins 4 and 5 but ; The datasheet does not provide a dedicated 'SENSE' pin description beyond the terminal table and app"+ ],+ "pages_sent": 21,+ "cost_usd": 0.0818,+ "at": "2026-10-08T16:21:52"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps74",+ "pages": 21,+ "sha256": "9ef97f95beada1cf",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tps7433d.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps7433d-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "9685b89df1b4bea532d09413e9d26094d242b6c6f1df8e3c45c79424aee70994",+ "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]"+ }+}