component
TL1454ACPWR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, TSSOP-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 @@+# TL1454ACPWR++**Texas Instruments** · AC-DC Controllers And Regulators · TSSOP-16++TL1454ACPWR from Texas Instruments, in a TSSOP-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 | Oscillator timing capacitor connection, paired with RT to GND; the datasheet recommends a 10% or better NPO ceramic with a recommended range of 10 pF to 4000 pF. |+| 2 | RT | passive | Oscillator timing resistor connection to GND, with a recommended range of 5.1 kΩ to 100 kΩ for an oscillator frequency of 50 kHz to 2 MHz. |+| 3 | DTC1 | input | Channel 1 dead-time control input that sets the maximum duty cycle, with threshold 1.1 V at 0% and 0.5 V at 100% duty cycle; soft start is implemented by a capacitor between REF and DTC. |+| 4 | IN1+ | input | Channel 1 noninverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V. |+| 5 | IN1− | input | Channel 1 inverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V. |+| 6 | COMP1 | output | Channel 1 error-amplifier output used for loop compensation, with DC loading limited to 45 µA source current and a recommended sink current of 100 µA maximum. |+| 7 | GND | power_in | Network ground; all device voltages are referenced to this pin. |+| 8 | OUT1 | output | Channel 1 totem-pole MOSFET driver output for n-channel step-up or flyback converters, rated for ±40 mA output current and 20 V output voltage. |+| 9 | OUT2 | output | Channel 2 totem-pole MOSFET driver output for p-channel step-down or inverting converters, rated for ±40 mA output current and 20 V output voltage. |+| 10 | VCC | power_in | Supply voltage input, with a recommended range of 3.6 V to 20 V and an absolute maximum of 23 V. |+| 11 | COMP2 | output | Channel 2 error-amplifier output used for loop compensation, with DC loading limited to 45 µA source current and a recommended sink current of 100 µA maximum. |+| 12 | IN2− | input | Channel 2 inverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V. |+| 13 | IN2+ | input | Channel 2 noninverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V. |+| 14 | DTC2 | input | Channel 2 dead-time control input that sets the maximum duty cycle, with threshold 1.1 V at 0% and 0.5 V at 100% duty cycle. |+| 15 | SCP | input | Short-circuit protection node; a capacitor to GND sets the time-out, and the latch sets when it charges to 1 V, with the latch resetting when VCC falls to 2 V or less or the capacitor is discharged. |+| 16 | REF | power_out | 1.26 V reference output that can source a maximum of 1 mA for external loads, with a 0.047 µF to 0.1 µF ceramic capacitor to GND recommended. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `TL1454ACPWR`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `tl1454acpwr-etched.step` / `tl1454acpwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl1454acpwr.step` / `tl1454acpwr.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/tl1454a) (26 pp, sha256 `11c6c297b6d5682c`, 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/tl1454acpwr-datasheet.pdf)
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the datasheet recommends a 10% or better NPO ceramic with a recommended range of 10 pF to 4000 pF."+ },+ {+ "number": "2",+ "name": "RT",+ "type": "passive",+ "description": "Oscillator timing resistor connection to GND, with a recommended range of 5.1 kΩ to 100 kΩ for an oscillator frequency of 50 kHz to 2 MHz."+ },+ {+ "number": "3",+ "name": "DTC1",+ "type": "input",+ "description": "Channel 1 dead-time control input that sets the maximum duty cycle, with threshold 1.1 V at 0% and 0.5 V at 100% duty cycle; soft start is implemented by a capacitor between REF and DTC."+ },+ {+ "number": "4",+ "name": "IN1+",+ "type": "input",+ "description": "Channel 1 noninverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V."+ },+ {+ "number": "5",+ "name": "IN1−",+ "type": "input",+ "description": "Channel 1 inverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V."+ },+ {+ "number": "6",+ "name": "COMP1",+ "type": "output",+ "description": "Channel 1 error-amplifier output used for loop compensation, with DC loading limited to 45 µA source current and a recommended sink current of 100 µA maximum."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Network ground; all device voltages are referenced to this pin."+ },+ {+ "number": "8",+ "name": "OUT1",+ "type": "output",+ "description": "Channel 1 totem-pole MOSFET driver output for n-channel step-up or flyback converters, rated for ±40 mA output current and 20 V output voltage."+ },+ {+ "number": "9",+ "name": "OUT2",+ "type": "output",+ "description": "Channel 2 totem-pole MOSFET driver output for p-channel step-down or inverting converters, rated for ±40 mA output current and 20 V output voltage."+ },+ {+ "number": "10",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage input, with a recommended range of 3.6 V to 20 V and an absolute maximum of 23 V."+ },+ {+ "number": "11",+ "name": "COMP2",+ "type": "output",+ "description": "Channel 2 error-amplifier output used for loop compensation, with DC loading limited to 45 µA source current and a recommended sink current of 100 µA maximum."+ },+ {+ "number": "12",+ "name": "IN2−",+ "type": "input",+ "description": "Channel 2 inverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V."+ },+ {+ "number": "13",+ "name": "IN2+",+ "type": "input",+ "description": "Channel 2 noninverting error-amplifier input, with common-mode input voltage limited to −0.2 V to 1.45 V and an absolute maximum of 23 V."+ },+ {+ "number": "14",+ "name": "DTC2",+ "type": "input",+ "description": "Channel 2 dead-time control input that sets the maximum duty cycle, with threshold 1.1 V at 0% and 0.5 V at 100% duty cycle."+ },+ {+ "number": "15",+ "name": "SCP",+ "type": "input",+ "description": "Short-circuit protection node; a capacitor to GND sets the time-out, and the latch sets when it charges to 1 V, with the latch resetting when VCC falls to 2 V or less or the capacitor is discharged."+ },+ {+ "number": "16",+ "name": "REF",+ "type": "power_out",+ "description": "1.26 V reference output that can source a maximum of 1 mA for external loads, with a 0.047 µF to 0.1 µF ceramic capacitor to GND recommended."+ }+ ],+ "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 pin numbers were taken from the text-extracted TOP VIEW listing on page 1, where labels appear i; The SCP pin type was assigned as input because the datasheet treats it as a threshold node. The data; REF was typed as power_out because it is a regulated 1.26 V reference output. The datasheet calls it"+ ],+ "pages_sent": 26,+ "cost_usd": 0.1123,+ "at": "2026-10-08T04:15:01"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tl1454a",+ "pages": 26,+ "sha256": "11c6c297b6d5682c",+ "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": "tl1454acpwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tl1454acpwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "1a96f6f07e4d08995003edcdbbefa9adaced0c77c95391fad8139c6052ea6052",+ "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]"+ }+}