component
UC2846DWTR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# UC2846DWTR++**Texas Instruments** · AC-DC Controllers And Regulators · SOIC-16-300mil++UC2846DWTR from Texas Instruments, in a SOIC-16-300mil. 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 | C/S SS | input | Current limit and soft-start programming input with 50 mA maximum sink current. |+| 2 | VREF | power_out | 5.1-V reference voltage output with ±1% tolerance. |+| 3 | C/S- | input | Inverting input of current sense comparator; common mode 0 to VIN-3 V. |+| 4 | C/S+ | input | Non-inverting input of current sense comparator; common mode 0 to VIN-3 V. |+| 5 | E/A+ | input | Non-inverting input of error amplifier; common mode 0 to VIN-2 V. |+| 6 | E/A- | input | Inverting input of error amplifier; common mode 0 to VIN-2 V. |+| 7 | COMP | output | Error amplifier output to PWM comparator; 4.3-4.6 V high and 0.7-1 V low into 15 kΩ load. |+| 8 | CT | input | Oscillator frequency programming capacitor pin; 4.7 nF ceramic to ground typical. |+| 9 | RT | input | Oscillator frequency programming resistor pin; 10 kΩ to ground typical, 5 mA maximum charging current. |+| 10 | Sync | bidirectional | Synchronization output from master or input to slave; 3.9-4.35 V high and 2.3-2.5 V low. |+| 11 | A Out | output | PWM drive signal output A; 500 mA peak source and sink; complementary with B Out. |+| 12 | GND | power_in | Ground reference node for all signals. |+| 13 | VC | power_in | Collector supply voltage for output stage; 40 V maximum. |+| 14 | B Out | output | PWM drive signal output B; 500 mA peak source and sink; complementary with A Out. |+| 15 | VIN | power_in | Main bias supply input; 8-40 V operating range. |+| 16 | Shutdown | input | External shutdown signal input; 350 mV threshold with 0.75 V hysteresis. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16-300mil |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `UC2846DWTR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)+- 3D model files: `uc2846dwtr-etched.step` / `uc2846dwtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uc2846dwtr.step` / `uc2846dwtr.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/uc3846) (24 pp, sha256 `0d1e2750f80a16be`, retrieved 2026-09-26, tier: lcsc)+- **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/uc2846dwtr-datasheet.pdf)
page.jsonadded+206@@ -0,0 +1,206 @@+{+ "slug": "uc2846dwtr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "uc2846dwtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "uc2846dwtr.kicad_sym",+ "uc2846dwtr.kicad_mod",+ "uc2846dwtr.glb",+ "uc2846dwtr.step",+ "uc2846dwtr.lbr",+ "docs/hero.png",+ "docs/uc2846dwtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "UC2846DWTR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16-300mil",+ "pin_count": 16,+ "category": "Power Management (PMIC)",+ "subcategory": "AC-DC Controllers And Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/uc3846",+ "parts": {+ "symbol": "uc2846dwtr.kicad_sym",+ "footprint": "uc2846dwtr.kicad_mod",+ "model_3d": "uc2846dwtr-etched.glb",+ "model_3d_plain": "uc2846dwtr.glb",+ "model_3d_step": "uc2846dwtr-etched.step",+ "model_3d_step_plain": "uc2846dwtr.step",+ "lbr": "uc2846dwtr.lbr"+ },+ "distributor_links": {+ "lcsc": "C31637",+ "digikey": "296-39520-2-ND",+ "mouser": "595-UC2846DWTR"+ },+ "distributor_check": {+ "checked_at": "2026-09-26T21:22:21Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-39520-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-UC2846DWTR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "C/S SS",+ "type": "input",+ "description": "Current limit and soft-start programming input with 50 mA maximum sink current."+ },+ {+ "number": "2",+ "name": "VREF",+ "type": "power_out",+ "description": "5.1-V reference voltage output with ±1% tolerance."+ },+ {+ "number": "3",+ "name": "C/S–",+ "type": "input",+ "description": "Inverting input of current sense comparator; common mode 0 to VIN-3 V."+ },+ {+ "number": "4",+ "name": "C/S+",+ "type": "input",+ "description": "Non-inverting input of current sense comparator; common mode 0 to VIN-3 V."+ },+ {+ "number": "5",+ "name": "E/A+",+ "type": "input",+ "description": "Non-inverting input of error amplifier; common mode 0 to VIN-2 V."+ },+ {+ "number": "6",+ "name": "E/A–",+ "type": "input",+ "description": "Inverting input of error amplifier; common mode 0 to VIN-2 V."+ },+ {+ "number": "7",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output to PWM comparator; 4.3-4.6 V high and 0.7-1 V low into 15 kΩ load."+ },+ {+ "number": "8",+ "name": "CT",+ "type": "input",+ "description": "Oscillator frequency programming capacitor pin; 4.7 nF ceramic to ground typical."+ },+ {+ "number": "9",+ "name": "RT",+ "type": "input",+ "description": "Oscillator frequency programming resistor pin; 10 kΩ to ground typical, 5 mA maximum charging current."+ },+ {+ "number": "10",+ "name": "Sync",+ "type": "bidirectional",+ "description": "Synchronization output from master or input to slave; 3.9-4.35 V high and 2.3-2.5 V low."+ },+ {+ "number": "11",+ "name": "A Out",+ "type": "output",+ "description": "PWM drive signal output A; 500 mA peak source and sink; complementary with B Out."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference node for all signals."+ },+ {+ "number": "13",+ "name": "VC",+ "type": "power_in",+ "description": "Collector supply voltage for output stage; 40 V maximum."+ },+ {+ "number": "14",+ "name": "B Out",+ "type": "output",+ "description": "PWM drive signal output B; 500 mA peak source and sink; complementary with A Out."+ },+ {+ "number": "15",+ "name": "VIN",+ "type": "power_in",+ "description": "Main bias supply input; 8-40 V operating range."+ },+ {+ "number": "16",+ "name": "Shutdown",+ "type": "input",+ "description": "External shutdown signal input; 350 mV threshold with 0.75 V hysteresis."+ }+ ],+ "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": [+ "extractor flagged: Pin 9 is listed in the pin functions table on page 3 as 'CR' but datasheet consistently uses 'RT' (o"+ ],+ "pages_sent": 24,+ "cost_usd": 0.3138,+ "at": "2026-09-26T21:22:03"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/uc3846",+ "pages": 24,+ "sha256": "0d1e2750f80a16be",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "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]"+ }+}