component
NCS37020DTBR2G
Public Made by Adomby adom
onsemi Power Management - Specialized, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# NCS37020DTBR2G++**onsemi** · Power Management - Specialized · TSSOP-14++NCS37020DTBR2G from onsemi, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | SCR Test | input | SCR test input for SCR functionality verification, receives pre-bias voltage at 3.3 V during test cycles and monitors anode voltage below 2.1 V for pass/fail detection. |+| 2 | CTB | input | Differential current transformer bias voltage input biased at 1.65 V providing reference for CT sense amplifier with internal 3.3 V regulator. |+| 3 | CTS | input | Differential current signal input from current transformer secondary with CTS-CTB absolute offset voltage range of ±300 μV. |+| 4 | CTO | output | Differential current to voltage output from CT sense amplifier with dynamic VOS cancellation, output range −0.25 V to +0.25 V serving as input to analog filter and ADC. |+| 5 | IDF | input | Differential low pass filter and ADC input accepting CTO amplifier output for ground fault detection with adjustable sensitivity via external RC filter. |+| 6 | REF | output | 3.3 V internal reference voltage output for external component biasing and filtering, requires 1 μF capacitor per recommended external components. |+| 7 | GND | power_in | Electronics ground reference for all analog and digital circuitry and external components. |+| 8 | Phase | input | Zero cross input for VAC frequency detection from mains AC line at 50 or 60 Hz with 1 μA internal pull-down current and maximum 400 μA sink current capability. |+| 9 | SUP | power_in | Power supply input to 12 V shunt regulator clamped at 12−13 V, supplies bias for internal 3.3 V digital and analog regulators, requires 2.2 μF ceramic holding capacitor. |+| 10 | AUX | power_in | Auxiliary power supply input for secondary bias supply option when half-wave bias configuration is not available. |+| 11 | LED | output | End of life LED drive output at 3.0−3.6 V driving LED indicators during normal operation or end-of-life fault conditions with blink frequency 3.6−4.4 Hz during faults. |+| 12 | TE | input | Test enable input for internal production testing only, must be connected to GND pin for normal circuit operation. |+| 13 | Fault Test | output | Differential self-test output signal enabled during positive half-cycle of self-test cycle when verifying CT and bias circuitry functionality. |+| 14 | SCR | output | SCR gate drive signal output at 3.0−3.6 V enabling SCR triode devices during fault conditions or self-test cycles, disabled during negative half-cycle in half-wave bias operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | TSSOP-14 |+| Category | Power Management (PMIC) |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `NCS37020DTBR2G`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (KiCad packages3D, STEP)+- 3D model files: `ncs37020dtbr2g-etched.step` / `ncs37020dtbr2g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ncs37020dtbr2g.step` / `ncs37020dtbr2g.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589999232779657216) (13 pp, sha256 `d51431a35b66123f`, retrieved 2026-09-22, 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/ncs37020dtbr2g-datasheet.pdf)
page.jsonadded+177@@ -0,0 +1,177 @@+{+ "slug": "ncs37020dtbr2g",+ "version": "0.1.0",+ "type": "component",+ "description": "onsemi Power Management - Specialized, TSSOP-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "ncs37020dtbr2g",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ncs37020dtbr2g.kicad_sym",+ "ncs37020dtbr2g.kicad_mod",+ "ncs37020dtbr2g.glb",+ "ncs37020dtbr2g.step",+ "ncs37020dtbr2g.lbr",+ "docs/hero.png",+ "docs/ncs37020dtbr2g-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "NCS37020DTBR2G",+ "manufacturer": "onsemi",+ "package": "TSSOP-14",+ "pin_count": 14,+ "category": "Power Management (PMIC)",+ "subcategory": "Power Management - Specialized",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589999232779657216",+ "parts": {+ "symbol": "ncs37020dtbr2g.kicad_sym",+ "footprint": "ncs37020dtbr2g.kicad_mod",+ "model_3d": "ncs37020dtbr2g-etched.glb",+ "model_3d_plain": "ncs37020dtbr2g.glb",+ "model_3d_step": "ncs37020dtbr2g-etched.step",+ "model_3d_step_plain": "ncs37020dtbr2g.step",+ "lbr": "ncs37020dtbr2g.lbr"+ },+ "distributor_links": {+ "lcsc": "C904570"+ },+ "pins": [+ {+ "number": "1",+ "name": "SCR Test",+ "type": "input",+ "description": "SCR test input for SCR functionality verification, receives pre-bias voltage at 3.3 V during test cycles and monitors anode voltage below 2.1 V for pass/fail detection."+ },+ {+ "number": "2",+ "name": "CTB",+ "type": "input",+ "description": "Differential current transformer bias voltage input biased at 1.65 V providing reference for CT sense amplifier with internal 3.3 V regulator."+ },+ {+ "number": "3",+ "name": "CTS",+ "type": "input",+ "description": "Differential current signal input from current transformer secondary with CTS-CTB absolute offset voltage range of ±300 μV."+ },+ {+ "number": "4",+ "name": "CTO",+ "type": "output",+ "description": "Differential current to voltage output from CT sense amplifier with dynamic VOS cancellation, output range −0.25 V to +0.25 V serving as input to analog filter and ADC."+ },+ {+ "number": "5",+ "name": "IDF",+ "type": "input",+ "description": "Differential low pass filter and ADC input accepting CTO amplifier output for ground fault detection with adjustable sensitivity via external RC filter."+ },+ {+ "number": "6",+ "name": "REF",+ "type": "output",+ "description": "3.3 V internal reference voltage output for external component biasing and filtering, requires 1 μF capacitor per recommended external components."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Electronics ground reference for all analog and digital circuitry and external components."+ },+ {+ "number": "8",+ "name": "Phase",+ "type": "input",+ "description": "Zero cross input for VAC frequency detection from mains AC line at 50 or 60 Hz with 1 μA internal pull-down current and maximum 400 μA sink current capability."+ },+ {+ "number": "9",+ "name": "SUP",+ "type": "power_in",+ "description": "Power supply input to 12 V shunt regulator clamped at 12−13 V, supplies bias for internal 3.3 V digital and analog regulators, requires 2.2 μF ceramic holding capacitor."+ },+ {+ "number": "10",+ "name": "AUX",+ "type": "power_in",+ "description": "Auxiliary power supply input for secondary bias supply option when half-wave bias configuration is not available."+ },+ {+ "number": "11",+ "name": "LED",+ "type": "output",+ "description": "End of life LED drive output at 3.0−3.6 V driving LED indicators during normal operation or end-of-life fault conditions with blink frequency 3.6−4.4 Hz during faults."+ },+ {+ "number": "12",+ "name": "TE",+ "type": "input",+ "description": "Test enable input for internal production testing only, must be connected to GND pin for normal circuit operation."+ },+ {+ "number": "13",+ "name": "Fault Test",+ "type": "output",+ "description": "Differential self-test output signal enabled during positive half-cycle of self-test cycle when verifying CT and bias circuitry functionality."+ },+ {+ "number": "14",+ "name": "SCR",+ "type": "output",+ "description": "SCR gate drive signal output at 3.0−3.6 V enabling SCR triode devices during fault conditions or self-test cycles, disabled during negative half-cycle in half-wave bias 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": 13,+ "cost_usd": 0.1555,+ "at": "2026-09-22T08:08:02"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589999232779657216",+ "pages": 13,+ "sha256": "d51431a35b66123f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 14,+ "described": 14,+ "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]"+ }+}