component
TL1451ACDR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, 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 @@+# TL1451ACDR++**Texas Instruments** · AC-DC Controllers And Regulators · SOIC-16++TL1451ACDR 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 | CT | passive | Timing capacitor terminal for the on-chip adjustable oscillator, which runs at 500 kHz maximum. |+| 2 | RT | passive | Timing resistor terminal for the on-chip adjustable oscillator, which is set by terminating RT and CT. |+| 3 | 1IN+ | input | Non-inverting input of error amplifier 1, with a common-mode voltage range of 1.04 V to 1.45 V. |+| 4 | 1IN- | input | Inverting input of error amplifier 1, with a common-mode voltage range of 1.04 V to 1.45 V. |+| 5 | 1FEEDBACK | output | Feedback terminal of error amplifier 1 for PWM control loop compensation. |+| 6 | 1DTC | input | Dead-time control input of comparator 1, which can set 0% to 100% dead time. |+| 7 | 1OUT | output | Uncommitted common-emitter output transistor of controller 1. |+| 8 | GND | power_in | Ground. |+| 9 | VCC | power_in | Supply voltage input; undervoltage lockout keeps the outputs off until the internal circuitry is operational. |+| 10 | 2OUT | output | Uncommitted common-emitter output transistor of controller 2. |+| 11 | 2DTC | input | Dead-time control input of comparator 2, which can set 0% to 100% dead time. |+| 12 | 2FEEDBACK | output | Feedback terminal of error amplifier 2 for PWM control loop compensation. |+| 13 | 2IN- | input | Inverting input of error amplifier 2, with a common-mode voltage range of 1.04 V to 1.45 V. |+| 14 | 2IN+ | input | Non-inverting input of error amplifier 2, with a common-mode voltage range of 1.04 V to 1.45 V. |+| 15 | SCP | passive | Short-circuit protection terminal for the internal short-circuit protection circuit. |+| 16 | REF | power_out | Output of the internal regulator providing a stable 2.5-V reference supply. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `TL1451ACDR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `tl1451acdr-etched.step` / `tl1451acdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl1451acdr.step` / `tl1451acdr.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/tl1451a) (38 pp, sha256 `2ff4a14b96f1efec`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/tl1451acdr-datasheet.pdf)
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undervoltage lockout keeps the outputs off until the internal circuitry is operational."+ },+ {+ "number": "10",+ "name": "2OUT",+ "type": "output",+ "description": "Uncommitted common-emitter output transistor of controller 2."+ },+ {+ "number": "11",+ "name": "2DTC",+ "type": "input",+ "description": "Dead-time control input of comparator 2, which can set 0% to 100% dead time."+ },+ {+ "number": "12",+ "name": "2FEEDBACK",+ "type": "output",+ "description": "Feedback terminal of error amplifier 2 for PWM control loop compensation."+ },+ {+ "number": "13",+ "name": "2IN–",+ "type": "input",+ "description": "Inverting input of error amplifier 2, with a common-mode voltage range of 1.04 V to 1.45 V."+ },+ {+ "number": "14",+ "name": "2IN+",+ "type": "input",+ "description": "Non-inverting input of error amplifier 2, with a common-mode voltage range of 1.04 V to 1.45 V."+ },+ {+ "number": "15",+ "name": "SCP",+ "type": "passive",+ "description": "Short-circuit protection terminal for the internal short-circuit protection circuit."+ },+ {+ "number": "16",+ "name": "REF",+ "type": "power_out",+ "description": "Output of the internal regulator providing a stable 2.5-V reference supply."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet's D-package top-view drawing is scrambled in the text extraction, so the pin-to-name m; Pin types are ERC classes inferred from function descriptions; the datasheet does not state electric; The schema has no separate headline-spec field for this extraction, and the requested package varian"+ ],+ "pages_sent": 6,+ "cost_usd": 0.0598,+ "at": "2026-10-08T15:49:41"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tl1451a",+ "pages": 38,+ "sha256": "2ff4a14b96f1efec",+ "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"+ },+ "models_3d": [+ {+ "file": "tl1451acdr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 9.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tl1451acdr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 9.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "9ffce08766050593640ff8624dd24a2883e6bb37e80975d9a415716031cc0a6a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}