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TPS272C45ARHFR
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Texas Instruments Power Distribution Switches, VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# TPS272C45ARHFR++**Texas Instruments** · Power Distribution Switches · VQFN-24(4x5)++TPS272C45ARHFR from Texas Instruments, in a VQFN-24(4x5). 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 | OUT1 | output | Channel 1 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled). |+| 2 | OUT1 | output | Channel 1 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled). |+| 3 | OUT1 | output | Channel 1 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled). |+| 4 | NC | unconnected | No connect pin; leave unconnected. |+| 5 | OUT2 | output | Channel 2 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled). |+| 6 | OUT2 | output | Channel 2 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled). |+| 7 | OUT2 | output | Channel 2 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled). |+| 8 | VS | power_in | Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 9, 23 and 24. |+| 9 | VS | power_in | Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 8, 23 and 24. |+| 10 | FLT | output | Open-drain output with pulldown that signals a fault on either channel (active low) in Version A; FLT pin voltage is rated -1 V to 36 V. |+| 11 | SNS | output | Analog current output proportional to the load current of the channel selected by SEL; connect a resistor to GND to convert it to a voltage, with SNS pin voltage rated -1 V to 7 V. |+| 12 | DIA_EN | input | Enables diagnostic functionality; with it held low, analog current sense, open-load and short-to-supply diagnostics are not available. Voltage rated -1 V to 36 V. |+| 13 | SEL | input | SEL = 0 routes the SNS pin to channel 1 load current or fault output; SEL = 1 routes it to channel 2. Voltage rated -1 V to 36 V. |+| 14 | LATCH | input | Sets retry behavior: LATCH = 0 gives auto-retry after faults, LATCH = 1 latches the output off after faults. Voltage rated -1 V to 36 V. |+| 15 | EN2 | input | Enables channel 2 output current; enable voltage rated -1 V to 36 V. |+| 16 | EN1 | input | Enables channel 1 output current; enable voltage rated -1 V to 36 V. |+| 17 | GND | power_in | Device ground; reverse ground current limited to -50 mA when VS < 0 V. |+| 18 | ILIMD | output | Connect RILIMD to GND to set the higher inrush current limit time duration; connecting this pin directly to GND gives a delay time of zero and a constant current limit set by the ILIM1/ILIM2 resistors. |+| 19 | VDD | power_in | Version A: connect to a low voltage supply input (3.0 V to 5.5 V recommended, 3.3 V or 5 V) for lower power dissipation; if used, the external regulator input must be derived from the same VS supply. |+| 20 | ILIM2 | output | Connect RILIM2 to GND to set the channel 2 current limit. |+| 21 | ILIM1 | output | Connect RILIM1 to GND to set the channel 1 current limit. |+| 22 | NC | unconnected | No connect pin; leave unconnected. |+| 23 | VS | power_in | Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 8, 9 and 24. |+| 24 | VS | power_in | Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 8, 9 and 23. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-24(4x5) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `TPS272C45ARHFR`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x5mm_P0.5mm_EP2.65x3.65mm`+- 3D model: VQFN-24(4x5) (KiCad packages3D, STEP)+- 3D model files: `tps272c45arhfr-etched.step` / `tps272c45arhfr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps272c45arhfr.step` / `tps272c45arhfr.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/tps272c45) (59 pp, sha256 `1dc5a68de539923c`, retrieved 2026-10-08, 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 0.3`, 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/tps272c45arhfr-datasheet.pdf)
page.jsonadded+302@@ -0,0 +1,302 @@+{+ "slug": "tps272c45arhfr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Power Distribution Switches, VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps272c45arhfr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps272c45arhfr.kicad_sym",+ "tps272c45arhfr.kicad_mod",+ "tps272c45arhfr.glb",+ "tps272c45arhfr.step",+ "tps272c45arhfr.lbr",+ "docs/hero.png",+ "docs/tps272c45arhfr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps272c45arhfr-hero.glb",+ "tps272c45arhfr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS272C45ARHFR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-24(4x5)",+ "pin_count": 25,+ "category": "Power Management (PMIC)",+ "subcategory": "Power Distribution Switches",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps272c45",+ "parts": {+ "symbol": "tps272c45arhfr.kicad_sym",+ "footprint": "tps272c45arhfr.kicad_mod",+ "model_3d": "tps272c45arhfr-hero.glb",+ "model_3d_plain": "tps272c45arhfr.glb",+ "model_3d_step": "tps272c45arhfr-etched.step",+ "model_3d_step_plain": "tps272c45arhfr.step",+ "lbr": "tps272c45arhfr.lbr"+ },+ "distributor_links": {+ "lcsc": "C3219944",+ "digikey": "296-TPS272C45ARHFRTR-ND",+ "mouser": "595-TPS272C45ARHFR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:22:59Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-TPS272C45ARHFRTR-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-TPS272C45ARHFR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT1",+ "type": "output",+ "description": "Channel 1 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled)."+ },+ {+ "number": "2",+ "name": "OUT1",+ "type": "output",+ "description": "Channel 1 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled)."+ },+ {+ "number": "3",+ "name": "OUT1",+ "type": "output",+ "description": "Channel 1 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled)."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect pin; leave unconnected."+ },+ {+ "number": "5",+ "name": "OUT2",+ "type": "output",+ "description": "Channel 2 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled)."+ },+ {+ "number": "6",+ "name": "OUT2",+ "type": "output",+ "description": "Channel 2 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled)."+ },+ {+ "number": "7",+ "name": "OUT2",+ "type": "output",+ "description": "Channel 2 high-side power output, rated for up to 4.0 A continuous with one channel enabled at TAMB = 85°C (3.0 A with two channels enabled)."+ },+ {+ "number": "8",+ "name": "VS",+ "type": "power_in",+ "description": "Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 9, 23 and 24."+ },+ {+ "number": "9",+ "name": "VS",+ "type": "power_in",+ "description": "Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 8, 23 and 24."+ },+ {+ "number": "10",+ "name": "FLT",+ "type": "output",+ "description": "Open-drain output with pulldown that signals a fault on either channel (active low) in Version A; FLT pin voltage is rated -1 V to 36 V."+ },+ {+ "number": "11",+ "name": "SNS",+ "type": "output",+ "description": "Analog current output proportional to the load current of the channel selected by SEL; connect a resistor to GND to convert it to a voltage, with SNS pin voltage rated -1 V to 7 V."+ },+ {+ "number": "12",+ "name": "DIA_EN",+ "type": "input",+ "description": "Enables diagnostic functionality; with it held low, analog current sense, open-load and short-to-supply diagnostics are not available. Voltage rated -1 V to 36 V."+ },+ {+ "number": "13",+ "name": "SEL",+ "type": "input",+ "description": "SEL = 0 routes the SNS pin to channel 1 load current or fault output; SEL = 1 routes it to channel 2. Voltage rated -1 V to 36 V."+ },+ {+ "number": "14",+ "name": "LATCH",+ "type": "input",+ "description": "Sets retry behavior: LATCH = 0 gives auto-retry after faults, LATCH = 1 latches the output off after faults. Voltage rated -1 V to 36 V."+ },+ {+ "number": "15",+ "name": "EN2",+ "type": "input",+ "description": "Enables channel 2 output current; enable voltage rated -1 V to 36 V."+ },+ {+ "number": "16",+ "name": "EN1",+ "type": "input",+ "description": "Enables channel 1 output current; enable voltage rated -1 V to 36 V."+ },+ {+ "number": "17",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground; reverse ground current limited to -50 mA when VS < 0 V."+ },+ {+ "number": "18",+ "name": "ILIMD",+ "type": "output",+ "description": "Connect RILIMD to GND to set the higher inrush current limit time duration; connecting this pin directly to GND gives a delay time of zero and a constant current limit set by the ILIM1/ILIM2 resistors."+ },+ {+ "number": "19",+ "name": "VDD",+ "type": "power_in",+ "description": "Version A: connect to a low voltage supply input (3.0 V to 5.5 V recommended, 3.3 V or 5 V) for lower power dissipation; if used, the external regulator input must be derived from the same VS supply."+ },+ {+ "number": "20",+ "name": "ILIM2",+ "type": "output",+ "description": "Connect RILIM2 to GND to set the channel 2 current limit."+ },+ {+ "number": "21",+ "name": "ILIM1",+ "type": "output",+ "description": "Connect RILIM1 to GND to set the channel 1 current limit."+ },+ {+ "number": "22",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect pin; leave unconnected."+ },+ {+ "number": "23",+ "name": "VS",+ "type": "power_in",+ "description": "Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 8, 9 and 24."+ },+ {+ "number": "24",+ "name": "VS",+ "type": "power_in",+ "description": "Primary supply input, recommended operating range 4.5 V to 36 V (absolute maximum 60 V continuous to GND); connect through vias to a power plane together with pins 8, 9 and 23."+ },+ {+ "number": "25",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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 exposed thermal PowerPad is shown in Figure 6-1 and Table 6-1 as a heat-dissipation pad to be co; Table 6-1 lists ILIMD as direction 'O', but its function is to be tied to GND or to a resistor (RILI; The datasheet labels VS and VDD as 'I' (input) and GND as 'GND'. Typed as power_in per the KiCad con",+ "exposed pad 25 added from the footprint"+ ],+ "pages_sent": 20,+ "cost_usd": 0.1099,+ "at": "2026-10-08T20:22:15"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps272c45",+ "pages": 59,+ "sha256": "1dc5a68de539923c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tps272c45arhfr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 5,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps272c45arhfr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 5,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5a6ebb920570a39ac5d3f8b0e3cd88947c2d328497ad013d6463eeba95ab00a4",+ "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]"+ }+}