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TPS23525PWR
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Texas Instruments Supervisor And Reset ICs, 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 @@+# TPS23525PWR++**Texas Instruments** · Supervisor And Reset ICs · TSSOP-16++TPS23525PWR 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 | Neg48A | input | Input to the OR-ing controller for the -48A feed; the TPS23525 regulates the drop from VEE to Neg48A to 25 mV to mimic an ideal diode. |+| 2 | NC | unconnected | No connect to space high-voltage pins. |+| 3 | GATEB | output | Gate driver for the OR-ing FET of the -48V_B feed. |+| 4 | GATEA | output | Gate driver for the OR-ing FET of the -48V_A feed. |+| 5 | VEE | power_in | IC ground; Kelvin sense to the bottom of RSNS to ensure accurate current limit. |+| 6 | SNS | input | Sense pin used to measure and regulate current; Kelvin sense to RSNS to ensure accurate current limits. |+| 7 | GATE | output | Gate drive for the main hot swap FET. |+| 8 | SS | output | Soft-start pin; connect a capacitor CSS between SS and -48V_OUT, as the dv/dt on -48V_OUT is proportional to the gate sourcing current divided by CSS. |+| 9 | D | input | Senses the drain of the hot swap FET and programs the threshold where the hot swap switches between CL1 and CL2; connect a resistor from this pin to the hot swap FET drain (-48V_OUT). Recommended RD is 120 kΩ to 2,000 kΩ. |+| 10 | TMR | output | Timer pin that programs the duration the hot swap FET can be in current limit; program it with a capacitor between TMR and VEE. |+| 11 | OV | input | Input overvoltage comparator; a resistor divider programs the threshold at which the device turns off on an overvoltage event. |+| 12 | UVEN | input | Input undervoltage comparator; a resistor divider programs the threshold at which the device turns on. |+| 13 | VCC | power_out | Clamped supply; tie to RTN through a resistor (VCC absolute maximum 20 V with current into VCC below 10 mA). |+| 14 | PGb | output | Power Good Bar, an open-drain output that goes low when the hot swap is fully on and the DC/DC can draw full power. |+| 15 | NC | unconnected | No connect to space high-voltage pins. |+| 16 | Neg48B | input | Input to the OR-ing controller for the -48B feed; the TPS23525 regulates the drop from VEE to Neg48B to 25 mV to mimic an ideal diode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `TPS23525PWR`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `tps23525pwr-etched.step` / `tps23525pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps23525pwr.step` / `tps23525pwr.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/lit/ds/symlink/tps23525.pdf) (40 pp, sha256 `0a77c6cd3684d412`, retrieved 2026-10-08, tier: manufacturer)+- **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/tps23525pwr-datasheet.pdf)
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Recommended RD is 120 kΩ to 2,000 kΩ."+ },+ {+ "number": "10",+ "name": "TMR",+ "type": "output",+ "description": "Timer pin that programs the duration the hot swap FET can be in current limit; program it with a capacitor between TMR and VEE."+ },+ {+ "number": "11",+ "name": "OV",+ "type": "input",+ "description": "Input overvoltage comparator; a resistor divider programs the threshold at which the device turns off on an overvoltage event."+ },+ {+ "number": "12",+ "name": "UVEN",+ "type": "input",+ "description": "Input undervoltage comparator; a resistor divider programs the threshold at which the device turns on."+ },+ {+ "number": "13",+ "name": "VCC",+ "type": "power_out",+ "description": "Clamped supply; tie to RTN through a resistor (VCC absolute maximum 20 V with current into VCC below 10 mA)."+ },+ {+ "number": "14",+ "name": "PGb",+ "type": "output",+ "description": "Power Good Bar, an open-drain output that goes low when the hot swap is fully on and the DC/DC can draw full power."+ },+ {+ "number": "15",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect to space high-voltage pins."+ },+ {+ "number": "16",+ "name": "Neg48B",+ "type": "input",+ "description": "Input to the OR-ing controller for the -48B feed; the TPS23525 regulates the drop from VEE to Neg48B to 25 mV to mimic an ideal diode."+ }+ ],+ "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 calls VCC a 'Clamped supply' (type S) and only says to tie it to RTN through a resisto; Both NC pins are listed only as 'No connect to space high voltage pins'; they are mapped to unconnec; The 120 kΩ to 2,000 kΩ range in the description comes from the Recommended Operating Conditions tabl"+ ],+ "pages_sent": 7,+ "cost_usd": 0.0562,+ "at": "2026-10-08T16:13:33"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/tps23525.pdf",+ "pages": 40,+ "sha256": "0a77c6cd3684d412",+ "source_tier": "mfr"+ },+ "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": "tps23525pwr.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": "tps23525pwr-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": "7d66fe32ab7599f195b1c7931da64d5189db12df4628f56832520834dc085ec6",+ "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]"+ }+}