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UC3825N
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Texas Instruments AC-DC Controllers And Regulators, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# UC3825N++**Texas Instruments** · AC-DC Controllers And Regulators · DIP-16++UC3825N from Texas Instruments, in a DIP-16. 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 | INV | input | Inverting input of the wide-bandwidth error amplifier; absolute maximum -0.3V to 7V. |+| 2 | NI | input | Non-inverting input of the wide-bandwidth error amplifier; absolute maximum -0.3V to 7V. |+| 3 | E/A Out | output | Error amplifier output, with output current limited to 5mA and Pin 3 zero duty cycle threshold of 1.1V to 1.25V. |+| 4 | Clock | output | Oscillator clock output, with output current limited to -5mA and clock high level of 3.9V to 4.5V. |+| 5 | RT | passive | Oscillator timing resistor connection that sets the charging current, with oscillator charging current limited to -5mA. |+| 6 | CT | passive | Oscillator timing capacitor connection, with analog input range -0.3V to 6V. |+| 7 | Ramp | input | Ramp input to the PWM comparator, with analog input range -0.3V to 7V and bias current of -1 to -5µA. |+| 8 | Soft Start | bidirectional | Soft-start pin that doubles as a maximum duty cycle clamp, with 9µA typical charge current and sink current limited to 20mA. |+| 9 | ILIM/SD | input | Current limit and shutdown input with 1.0V current limit threshold and 1.4V shutdown threshold, range -0.3V to 6V. |+| 10 | Gnd | power_in | Ground reference for all voltages; the datasheet states all voltages are with respect to this pin. |+| 11 | Out A | output | Totem pole output A sourcing or sinking 0.5A DC and 2.0A pulse (0.5µs). |+| 12 | Pwr Gnd | power_in | Power ground for the output stage. |+| 13 | Vc | power_in | Output stage collector supply, to be bypassed with 0.1µF ceramic capacitor, with maximum supply of 30V. |+| 14 | Out B | output | Totem pole output B sourcing or sinking 0.5A DC and 2.0A pulse (0.5µs). |+| 15 | VCC | power_in | Positive supply voltage, absolute maximum 30V, with UVLO start threshold of 9.2V typical and 0.8V hysteresis, bypass with 0.1µF. |+| 16 | VREF 5.1V | power_out | 5.1V reference output, 5.00V to 5.20V for UC3825 at 1mA, bypass with 0.1µF. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | DIP-16 |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `UC3825N`+- Footprint: `Package_DIP:DIP-16_W7.62mm`+- 3D model: DIP-16 (KiCad packages3D, STEP)+- 3D model files: `uc3825n-etched.step` / `uc3825n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uc3825n.step` / `uc3825n.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/uc2825) (23 pp, sha256 `62f4a96c2122b13d`, retrieved 2026-10-01, tier: lcsc)+- **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/uc3825n-datasheet.pdf)
page.jsonadded+206@@ -0,0 +1,206 @@+{+ "slug": "uc3825n",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments AC-DC Controllers And Regulators, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "uc3825n",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "uc3825n.kicad_sym",+ "uc3825n.kicad_mod",+ "uc3825n.glb",+ "uc3825n.step",+ "uc3825n.lbr",+ "docs/hero.png",+ "docs/uc3825n-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "UC3825N",+ "manufacturer": "Texas Instruments",+ "package": "DIP-16",+ "pin_count": 16,+ "category": "Power Management (PMIC)",+ "subcategory": "AC-DC Controllers And Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/uc2825",+ "parts": {+ "symbol": "uc3825n.kicad_sym",+ "footprint": "uc3825n.kicad_mod",+ "model_3d": "uc3825n-etched.glb",+ "model_3d_plain": "uc3825n.glb",+ "model_3d_step": "uc3825n-etched.step",+ "model_3d_step_plain": "uc3825n.step",+ "lbr": "uc3825n.lbr"+ },+ "distributor_links": {+ "lcsc": "C701466",+ "digikey": "296-11271-5-ND",+ "mouser": "595-UC3825N"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T06:13:39Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-11271-5-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-UC3825N",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "INV",+ "type": "input",+ "description": "Inverting input of the wide-bandwidth error amplifier; absolute maximum -0.3V to 7V."+ },+ {+ "number": "2",+ "name": "NI",+ "type": "input",+ "description": "Non-inverting input of the wide-bandwidth error amplifier; absolute maximum -0.3V to 7V."+ },+ {+ "number": "3",+ "name": "E/A Out",+ "type": "output",+ "description": "Error amplifier output, with output current limited to 5mA and Pin 3 zero duty cycle threshold of 1.1V to 1.25V."+ },+ {+ "number": "4",+ "name": "Clock",+ "type": "output",+ "description": "Oscillator clock output, with output current limited to -5mA and clock high level of 3.9V to 4.5V."+ },+ {+ "number": "5",+ "name": "RT",+ "type": "passive",+ "description": "Oscillator timing resistor connection that sets the charging current, with oscillator charging current limited to -5mA."+ },+ {+ "number": "6",+ "name": "CT",+ "type": "passive",+ "description": "Oscillator timing capacitor connection, with analog input range -0.3V to 6V."+ },+ {+ "number": "7",+ "name": "Ramp",+ "type": "input",+ "description": "Ramp input to the PWM comparator, with analog input range -0.3V to 7V and bias current of -1 to -5µA."+ },+ {+ "number": "8",+ "name": "Soft Start",+ "type": "bidirectional",+ "description": "Soft-start pin that doubles as a maximum duty cycle clamp, with 9µA typical charge current and sink current limited to 20mA."+ },+ {+ "number": "9",+ "name": "ILIM/SD",+ "type": "input",+ "description": "Current limit and shutdown input with 1.0V current limit threshold and 1.4V shutdown threshold, range -0.3V to 6V."+ },+ {+ "number": "10",+ "name": "Gnd",+ "type": "power_in",+ "description": "Ground reference for all voltages; the datasheet states all voltages are with respect to this pin."+ },+ {+ "number": "11",+ "name": "Out A",+ "type": "output",+ "description": "Totem pole output A sourcing or sinking 0.5A DC and 2.0A pulse (0.5µs)."+ },+ {+ "number": "12",+ "name": "Pwr Gnd",+ "type": "power_in",+ "description": "Power ground for the output stage."+ },+ {+ "number": "13",+ "name": "Vc",+ "type": "power_in",+ "description": "Output stage collector supply, to be bypassed with 0.1µF ceramic capacitor, with maximum supply of 30V."+ },+ {+ "number": "14",+ "name": "Out B",+ "type": "output",+ "description": "Totem pole output B sourcing or sinking 0.5A DC and 2.0A pulse (0.5µs)."+ },+ {+ "number": "15",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage, absolute maximum 30V, with UVLO start threshold of 9.2V typical and 0.8V hysteresis, bypass with 0.1µF."+ },+ {+ "number": "16",+ "name": "VREF 5.1V",+ "type": "power_out",+ "description": "5.1V reference output, 5.00V to 5.20V for UC3825 at 1mA, bypass with 0.1µF."+ }+ ],+ "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": [+ "extractor flagged: Pin 1 is labeled as N/C (No Connect) in the PIN FUNCTION table but the absolute maximum ratings (PAG; Pin 11 is labeled as N/C (No Connect) in the PIN FUNCTION table but the absolute maximum ratings sec"+ ],+ "pages_sent": 23,+ "cost_usd": 0.2516,+ "at": "2026-10-01T06:13:22"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/uc2825",+ "pages": 23,+ "sha256": "62f4a96c2122b13d",+ "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]"+ }+}