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TPS25820DSSR
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Texas Instruments USB Converters, WSON-12-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# TPS25820DSSR++**Texas Instruments** · USB Converters · WSON-12-EP(2x3)++TPS25820DSSR from Texas Instruments, in a WSON-12-EP(2x3). 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 | IN | power_in | Device input supply for the VBUS internal power switch, and for the VCONN switch on the TPS25820; the recommended supply range is 4.5 V to 5.5 V. |+| 2 | IN | power_in | Device input supply for the VBUS internal power switch, and for the VCONN switch on the TPS25820; the recommended supply range is 4.5 V to 5.5 V. |+| 3 | CHG | input | Charge logic input that selects between standard USB and 1.5-A Type-C current sourcing ability; the input range is 0 to 5.5 V, with VIH of at least 2 V and VIL of at most 0.8 V. |+| 4 | EN | input | Logic input that turns the device on and off; the input range is 0 to 5.5 V, with VIH of at least 2 V and VIL of at most 0.8 V. |+| 5 | FAULT | output | Open-drain logic output that asserts during overtemperature and/or VBUS current-limit conditions; the pull-up voltage is 0 to 5.5 V and the sink current is limited to 10 mA. |+| 6 | SINK | output | Open-drain logic output that asserts when a Type-C Sink is identified on the CC lines; the pull-up voltage is 0 to 5.5 V and the positive sink current is limited to 5 mA (100 ms moving average). |+| 7 | POL | output | Open-drain logic output that asserts when the CC2 pin is connected to the cable CC line, giving the information needed to mux the SuperSpeed lines; the pull-up voltage is 0 to 5.5 V and the positive sink current is limited to 5 mA (100 ms moving average). |+| 8 | REF | input | Analog input for the current reference; connect a 0.5%, 100-ppm, 100-kΩ resistor between this pin and GND. |+| 9 | CC1 | bidirectional | Analog input/output that connects to the Type-C receptacle CC1 pin; absolute maximum pin voltage is 6 V, and the TPS25820 can source up to 250 mA on CC1 or CC2 when supplying VCONN. |+| 10 | GND | power_in | Ground reference for the device; all voltages are specified with respect to this pin. |+| 11 | CC2 | bidirectional | Analog input/output that connects to the Type-C receptacle CC2 pin; absolute maximum pin voltage is 6 V, and the TPS25820 can source up to 250 mA on CC1 or CC2 when supplying VCONN. |+| 12 | OUT | power_out | VBUS power switch output rated for a positive source current of 1.5 A, with an absolute maximum sink current of 2.5 A while applying VBUS. |+| 13 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-12-EP(2x3) |+| Category | Interface |+| Pins | 13 |++## CAD (KiCad official)++- Symbol: `TPS25820DSSR`+- Footprint: `Package_SON:WSON-12-1EP_3x2mm_P0.5mm_EP1x2.65`+- 3D model: WSON-12-EP(2x3), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.75 mm nominal WSON height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `tps25820dssr-etched.step` / `tps25820dssr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps25820dssr.step` / `tps25820dssr.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/tps25821) (35 pp, sha256 `d6bec2609091145a`, 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/tps25820dssr-datasheet.pdf)
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the recommended supply range is 4.5 V to 5.5 V."+ },+ {+ "number": "2",+ "name": "IN",+ "type": "power_in",+ "description": "Device input supply for the VBUS internal power switch, and for the VCONN switch on the TPS25820; the recommended supply range is 4.5 V to 5.5 V."+ },+ {+ "number": "3",+ "name": "CHG",+ "type": "input",+ "description": "Charge logic input that selects between standard USB and 1.5-A Type-C current sourcing ability; the input range is 0 to 5.5 V, with VIH of at least 2 V and VIL of at most 0.8 V."+ },+ {+ "number": "4",+ "name": "EN",+ "type": "input",+ "description": "Logic input that turns the device on and off; the input range is 0 to 5.5 V, with VIH of at least 2 V and VIL of at most 0.8 V."+ },+ {+ "number": "5",+ "name": "FAULT",+ "type": "output",+ "description": "Open-drain logic output that asserts during overtemperature and/or VBUS current-limit conditions; the pull-up voltage is 0 to 5.5 V and the sink current is limited to 10 mA."+ },+ {+ "number": "6",+ "name": "SINK",+ "type": "output",+ "description": "Open-drain logic output that asserts when a Type-C Sink is identified on the CC lines; the pull-up voltage is 0 to 5.5 V and the positive sink current is limited to 5 mA (100 ms moving average)."+ },+ {+ "number": "7",+ "name": "POL",+ "type": "output",+ "description": "Open-drain logic output that asserts when the CC2 pin is connected to the cable CC line, giving the information needed to mux the SuperSpeed lines; the pull-up voltage is 0 to 5.5 V and the positive sink current is limited to 5 mA (100 ms moving average)."+ },+ {+ "number": "8",+ "name": "REF",+ "type": "input",+ "description": "Analog input for the current reference; connect a 0.5%, 100-ppm, 100-kΩ resistor between this pin and GND."+ },+ {+ "number": "9",+ "name": "CC1",+ "type": "bidirectional",+ "description": "Analog input/output that connects to the Type-C receptacle CC1 pin; absolute maximum pin voltage is 6 V, and the TPS25820 can source up to 250 mA on CC1 or CC2 when supplying VCONN."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the device; all voltages are specified with respect to this pin."+ },+ {+ "number": "11",+ "name": "CC2",+ "type": "bidirectional",+ "description": "Analog input/output that connects to the Type-C receptacle CC2 pin; absolute maximum pin voltage is 6 V, and the TPS25820 can source up to 250 mA on CC1 or CC2 when supplying VCONN."+ },+ {+ "number": "12",+ "name": "OUT",+ "type": "power_out",+ "description": "VBUS power switch output rated for a positive source current of 1.5 A, with an absolute maximum sink current of 2.5 A while applying VBUS."+ },+ {+ "number": "13",+ "name": "Thermal Pad",+ "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 thermal pad is listed in the pin table as 'Thermal Pad' with no pin number printed on the packag; The package hint 'WSON-12-EP(2x3)' does not match the datasheet's stated size of 3.00 mm x 2.00 mm f; The 'IN' pins are typed power_in (device supply input), whereas the datasheet classifies them as I. ",+ "exposed pad 13 added from the footprint"+ ],+ "pages_sent": 7,+ "cost_usd": 0.0511,+ "at": "2026-10-08T19:36:56"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps25821",+ "pages": 35,+ "sha256": "d6bec2609091145a",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 13,+ "described": 13,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tps25820dssr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.02,+ 3,+ 0.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b38d9fb183f7a120df12d07ae4fadebe335e0f33845c93ab042954c2ba5ef0b2",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps25820dssr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.02,+ 3,+ 0.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "0ac430b9dc9d03be03ae9228951166a935faa11dcabcc5139ad5750ba67c1cde",+ "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]"+ }+}