component
UCC2893DR
Public Made by Adomby adom
Texas Instruments DC-DC Controllers, SOIC-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 @@+# UCC2893DR++**Texas Instruments** · DC-DC Controllers · SOIC-16++UCC2893DR from Texas Instruments, in a SOIC-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 | RTDEL | input | Resistor to GND programs the turn-on delay of OUT and AUX gate drive outputs for active clamp resonant transitions. |+| 2 | RTON | input | Resistor to GND programs the charge current of the internal timing capacitor, setting oscillator frequency and maximum duty cycle. |+| 3 | RTOFF | input | Resistor to GND programs the discharge current of the internal timing capacitor, working with RTON to set the switching period and duty cycle. |+| 4 | VREF | power_in | 5-V regulated reference output that supplies up to 5 mA external load, requiring 0.1-1 µF bypass capacitor to GND with capacitor on VDD minimum 10 times greater. |+| 5 | SYNC | input | Unidirectional synchronization input for the internal oscillator with minimum pulse width of approximately 50 ns and synchronizing frequency higher than the free-running switching frequency. |+| 6 | GND | power_in | Fundamental analog ground reference for PWM control and programming circuitry, requiring direct connection to PGND at the device with low-impedance external path. |+| 7 | CS | input | Peak current sense input for current mode control with 0.75 V threshold for UCC2893, requiring RC filter between current sense resistor and pin. |+| 8 | RSLOPE | input | Resistor to GND programs the slope compensation current amplitude based on the internal timing capacitor voltage during the main switch on-time. |+| 9 | FB | input | Feedback control voltage input from external error amplifier or optocoupler with useful range of 1.25 V to 4.5 V for pulse width modulation. |+| 10 | SS/SD | input | Soft-start/shutdown capacitor pin charged by internal current programmed by RTON, with useful range 1.25 V to 4.5 V where the lower value between SS/SD and FB is selected. |+| 11 | PGND | power_in | High-current power ground return for OUT and AUX drivers, requiring external connection to GND with minimal loop area and separate low-current ground plane. |+| 12 | AUX | output | High-current gate driver output for auxiliary clamp MOSFET with 2-A source turn-on and 2-A sink turn-off current capability, using active-high logic for N-channel switches. |+| 13 | OUT | output | High-current gate driver output for main N-channel MOSFET with 2-A source turn-on and 2-A sink turn-off current capability, using active-high logic with 10-kΩ resistor to PGND recommended. |+| 14 | VDD | power_in | Power supply input with 12.7 V UVLO turn-on threshold and 8.0 V minimum operating voltage, requiring 1-µF bypass capacitor to PGND and larger energy storage capacitor. |+| 15 | LINEUV | input | Line undervoltage monitor input with 1.27 V threshold and user-programmable hysteresis via external resistor divider controlled by RDEL-programmed current source. |+| 16 | VIN | power_in | High-voltage input to internal P-channel JFET start-up device (UCC2891/3 only) providing approximately 15 mA charge current to VDD with up to 110 V maximum rating, turning off above 13.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Power Supply Chip |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `UCC2893DR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `ucc2893dr-etched.step` / `ucc2893dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc2893dr.step` / `ucc2893dr.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/lit/ds/symlink/ucc2893.pdf) (41 pp, sha256 `0b123b68deef52c5`, retrieved 2026-10-05, tier: manufacturer)+- **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/ucc2893dr-datasheet.pdf)
page.jsonadded+205@@ -0,0 +1,205 @@+{+ "slug": "ucc2893dr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Controllers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "ucc2893dr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ucc2893dr.kicad_sym",+ "ucc2893dr.kicad_mod",+ "ucc2893dr.glb",+ "ucc2893dr.step",+ "ucc2893dr.lbr",+ "docs/hero.png",+ "docs/ucc2893dr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ucc2893dr-hero.glb",+ "ucc2893dr-hero.overlay.json"+ ],+ "component": {+ "mpn": "UCC2893DR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Power Supply Chip",+ "subcategory": "DC-DC Controllers",+ "datasheet": "https://www.ti.com/lit/ds/symlink/ucc2893.pdf",+ "parts": {+ "symbol": "ucc2893dr.kicad_sym",+ "footprint": "ucc2893dr.kicad_mod",+ "model_3d": "ucc2893dr-hero.glb",+ "model_3d_plain": "ucc2893dr.glb",+ "model_3d_step": "ucc2893dr-etched.step",+ "model_3d_step_plain": "ucc2893dr.step",+ "lbr": "ucc2893dr.lbr"+ },+ "distributor_links": {+ "lcsc": 702431,+ "digikey": "296-UCC2893DRTR-ND",+ "mouser": "595-UCC2893DR"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T20:06:16Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-UCC2893DRTR-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-UCC2893DR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "RTDEL",+ "type": "input",+ "description": "Resistor to GND programs the turn-on delay of OUT and AUX gate drive outputs for active clamp resonant transitions."+ },+ {+ "number": "2",+ "name": "RTON",+ "type": "input",+ "description": "Resistor to GND programs the charge current of the internal timing capacitor, setting oscillator frequency and maximum duty cycle."+ },+ {+ "number": "3",+ "name": "RTOFF",+ "type": "input",+ "description": "Resistor to GND programs the discharge current of the internal timing capacitor, working with RTON to set the switching period and duty cycle."+ },+ {+ "number": "4",+ "name": "VREF",+ "type": "power_in",+ "description": "5-V regulated reference output that supplies up to 5 mA external load, requiring 0.1-1 µF bypass capacitor to GND with capacitor on VDD minimum 10 times greater."+ },+ {+ "number": "5",+ "name": "SYNC",+ "type": "input",+ "description": "Unidirectional synchronization input for the internal oscillator with minimum pulse width of approximately 50 ns and synchronizing frequency higher than the free-running switching frequency."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Fundamental analog ground reference for PWM control and programming circuitry, requiring direct connection to PGND at the device with low-impedance external path."+ },+ {+ "number": "7",+ "name": "CS",+ "type": "input",+ "description": "Peak current sense input for current mode control with 0.75 V threshold for UCC2893, requiring RC filter between current sense resistor and pin."+ },+ {+ "number": "8",+ "name": "RSLOPE",+ "type": "input",+ "description": "Resistor to GND programs the slope compensation current amplitude based on the internal timing capacitor voltage during the main switch on-time."+ },+ {+ "number": "9",+ "name": "FB",+ "type": "input",+ "description": "Feedback control voltage input from external error amplifier or optocoupler with useful range of 1.25 V to 4.5 V for pulse width modulation."+ },+ {+ "number": "10",+ "name": "SS/SD",+ "type": "input",+ "description": "Soft-start/shutdown capacitor pin charged by internal current programmed by RTON, with useful range 1.25 V to 4.5 V where the lower value between SS/SD and FB is selected."+ },+ {+ "number": "11",+ "name": "PGND",+ "type": "power_in",+ "description": "High-current power ground return for OUT and AUX drivers, requiring external connection to GND with minimal loop area and separate low-current ground plane."+ },+ {+ "number": "12",+ "name": "AUX",+ "type": "output",+ "description": "High-current gate driver output for auxiliary clamp MOSFET with 2-A source turn-on and 2-A sink turn-off current capability, using active-high logic for N-channel switches."+ },+ {+ "number": "13",+ "name": "OUT",+ "type": "output",+ "description": "High-current gate driver output for main N-channel MOSFET with 2-A source turn-on and 2-A sink turn-off current capability, using active-high logic with 10-kΩ resistor to PGND recommended."+ },+ {+ "number": "14",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input with 12.7 V UVLO turn-on threshold and 8.0 V minimum operating voltage, requiring 1-µF bypass capacitor to PGND and larger energy storage capacitor."+ },+ {+ "number": "15",+ "name": "LINEUV",+ "type": "input",+ "description": "Line undervoltage monitor input with 1.27 V threshold and user-programmable hysteresis via external resistor divider controlled by RDEL-programmed current source."+ },+ {+ "number": "16",+ "name": "VIN",+ "type": "power_in",+ "description": "High-voltage input to internal P-channel JFET start-up device (UCC2891/3 only) providing approximately 15 mA charge current to VDD with up to 110 V maximum rating, turning off above 13.5 V."+ }+ ],+ "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": [],+ "pages_sent": 16,+ "cost_usd": 0.1857,+ "at": "2026-10-05T20:05:54"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/ucc2893.pdf",+ "pages": 41,+ "sha256": "0b123b68deef52c5",+ "source_tier": "mfr"+ },+ "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]"+ }+}