component
UCC2895PWTR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, TSSOP-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 @@+# UCC2895PWTR++**Texas Instruments** · AC-DC Controllers And Regulators · TSSOP-20++UCC2895PWTR from Texas Instruments, in a TSSOP-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 | EAN | input | Inverting input to the error amplifier; keep below 3.6 V for proper operation. |+| 2 | EAOUT | output | Error amplifier output internally clamped to soft-start voltage; drives PWM and no-load comparators. |+| 3 | RAMP | input | Inverting input of the PWM comparator; receives oscillator ramp in voltage mode or current sense signal in current mode. |+| 4 | REF | power_out | 5-V ±1.2% voltage reference output supplying up to 5 mA to external loads; bypass with 0.1 μF to ground. |+| 5 | GND | power_in | Analog ground for all internal circuits except output stages. |+| 6 | SYNC | bidirectional | Bidirectional oscillator synchronization pin; serves as clock output or external clock input for synchronizing multiple devices. |+| 7 | CT | input | Oscillator timing capacitor connection; typically 100-880 pF to program switching frequency via fixed charging current. |+| 8 | RT | input | Oscillator timing resistor connection; ranges 40-120 kΩ to program switching frequency and soft-start charging current. |+| 9 | DELAB | input | Delay-programming pin setting dead time between complementary outputs OUTA and OUTB via external resistor (2.5-40 kΩ). |+| 10 | DELCD | input | Delay-programming pin setting dead time between complementary outputs OUTC and OUTD via external resistor (2.5-40 kΩ). |+| 11 | ADS | input | Adaptive delay set pin limiting voltage to 0-2.5 V; sets ratio between maximum and minimum output delay times. |+| 12 | CS | input | Current sense input for cycle-by-cycle current limiting in peak current mode and overcurrent protection (peak threshold 2.0 V, overcurrent 2.5 V). |+| 13 | OUTD | output | 100-mA complementary MOS driver output optimized for FET driver circuits; 20-35 ns rise/fall time into 100 pF load. |+| 14 | OUTC | output | 100-mA complementary MOS driver output phase-shifted relative to OUTA; 20-35 ns rise/fall time into 100 pF load. |+| 15 | VDD | power_in | Power supply input (10-16.5 V recommended); must be bypassed with minimum 1 μF low-ESR capacitor to PGND. |+| 16 | PGND | power_in | Output stage ground reference carrying high switching currents; must be connected to GND with low-impedance trace. |+| 17 | OUTB | output | 100-mA complementary MOS driver output fully complementary to OUTA at 50% duty cycle; 20-35 ns rise/fall time into 100 pF load. |+| 18 | OUTA | output | 100-mA complementary MOS driver output for first half-bridge; 20-35 ns rise/fall time into 100 pF load. |+| 19 | SS/DISB | input | Soft-start and disable pin combining independent functions; sources 35 μA charging current and sinks 350 μA during soft-start. |+| 20 | EAP | input | Non-inverting input to the error amplifier; keep below 3.6 V for proper operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-20 |+| Category | Power Management (PMIC) |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `UCC2895PWTR`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (KiCad packages3D, STEP)+- 3D model files: `ucc2895pwtr-etched.step` / `ucc2895pwtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc2895pwtr.step` / `ucc2895pwtr.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/ucc2895) (61 pp, sha256 `839591a78c6304d9`, retrieved 2026-09-27, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/ucc2895pwtr-datasheet.pdf)
page.jsonadded+227@@ -0,0 +1,227 @@+{+ "slug": "ucc2895pwtr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments AC-DC Controllers And Regulators, TSSOP-20. 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keep below 3.6 V for proper operation."+ },+ {+ "number": "2",+ "name": "EAOUT",+ "type": "output",+ "description": "Error amplifier output internally clamped to soft-start voltage; drives PWM and no-load comparators."+ },+ {+ "number": "3",+ "name": "RAMP",+ "type": "input",+ "description": "Inverting input of the PWM comparator; receives oscillator ramp in voltage mode or current sense signal in current mode."+ },+ {+ "number": "4",+ "name": "REF",+ "type": "power_out",+ "description": "5-V ±1.2% voltage reference output supplying up to 5 mA to external loads; bypass with 0.1 μF to ground."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground for all internal circuits except output stages."+ },+ {+ "number": "6",+ "name": "SYNC",+ "type": "bidirectional",+ "description": "Bidirectional oscillator synchronization pin; serves as clock output or external clock input for synchronizing multiple devices."+ },+ {+ "number": "7",+ "name": "CT",+ "type": "input",+ "description": "Oscillator timing capacitor connection; typically 100-880 pF to program switching frequency via fixed charging current."+ },+ {+ "number": "8",+ "name": "RT",+ "type": "input",+ "description": "Oscillator timing resistor connection; ranges 40-120 kΩ to program switching frequency and soft-start charging current."+ },+ {+ "number": "9",+ "name": "DELAB",+ "type": "input",+ "description": "Delay-programming pin setting dead time between complementary outputs OUTA and OUTB via external resistor (2.5-40 kΩ)."+ },+ {+ "number": "10",+ "name": "DELCD",+ "type": "input",+ "description": "Delay-programming pin setting dead time between complementary outputs OUTC and OUTD via external resistor (2.5-40 kΩ)."+ },+ {+ "number": "11",+ "name": "ADS",+ "type": "input",+ "description": "Adaptive delay set pin limiting voltage to 0-2.5 V; sets ratio between maximum and minimum output delay times."+ },+ {+ "number": "12",+ "name": "CS",+ "type": "input",+ "description": "Current sense input for cycle-by-cycle current limiting in peak current mode and overcurrent protection (peak threshold 2.0 V, overcurrent 2.5 V)."+ },+ {+ "number": "13",+ "name": "OUTD",+ "type": "output",+ "description": "100-mA complementary MOS driver output optimized for FET driver circuits; 20-35 ns rise/fall time into 100 pF load."+ },+ {+ "number": "14",+ "name": "OUTC",+ "type": "output",+ "description": "100-mA complementary MOS driver output phase-shifted relative to OUTA; 20-35 ns rise/fall time into 100 pF load."+ },+ {+ "number": "15",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input (10-16.5 V recommended); must be bypassed with minimum 1 μF low-ESR capacitor to PGND."+ },+ {+ "number": "16",+ "name": "PGND",+ "type": "power_in",+ "description": "Output stage ground reference carrying high switching currents; must be connected to GND with low-impedance trace."+ },+ {+ "number": "17",+ "name": "OUTB",+ "type": "output",+ "description": "100-mA complementary MOS driver output fully complementary to OUTA at 50% duty cycle; 20-35 ns rise/fall time into 100 pF load."+ },+ {+ "number": "18",+ "name": "OUTA",+ "type": "output",+ "description": "100-mA complementary MOS driver output for first half-bridge; 20-35 ns rise/fall time into 100 pF load."+ },+ {+ "number": "19",+ "name": "SS/DISB",+ "type": "input",+ "description": "Soft-start and disable pin combining independent functions; sources 35 μA charging current and sinks 350 μA during soft-start."+ },+ {+ "number": "20",+ "name": "EAP",+ "type": "input",+ "description": "Non-inverting input to the error amplifier; keep below 3.6 V for proper operation."+ }+ ],+ "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": [],+ "pages_sent": 61,+ "cost_usd": 0.4137,+ "at": "2026-09-27T00:17:51"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ucc2895",+ "pages": 61,+ "sha256": "839591a78c6304d9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 20,+ "described": 20,+ "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]"+ }+}