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TPS259822LNRGET
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Texas Instruments Surge Protection Devices (SPDs), VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# TPS259822LNRGET++**Texas Instruments** · Surge Protection Devices (SPDs) · VQFN-24(4x4)++TPS259822LNRGET from Texas Instruments, in a VQFN-24(4x4). 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 | Power input to the eFuse; the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V. |+| 2 | IN | power_in | Power input to the eFuse; the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V. |+| 3 | IN | power_in | Power input to the eFuse; the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V. |+| 4 | GND | power_in | Ground reference for all internal signals; connect to the system ground. |+| 5 | GND | power_in | Ground reference for all internal signals; connect to the system ground. |+| 6 | EN/UVLO | input | Active-high enable with adjustable undervoltage lockout; a resistor divider from IN to GND sets the UVLO threshold, the pin must not be left floating, and the pin voltage is limited to 6 V in recommended operation (7 V absolute maximum). |+| 7 | ITIMER | output | A capacitor to GND sets the overcurrent blanking interval before the device responds; leaving the pin open gives the fastest response, and shorting it to GND is detected as a fault that shuts the device down. |+| 8 | ILIM | output | A resistor to GND sets the output current limit and fast-trip threshold, with RILIM recommended between 82 Ω and 1650 Ω; the pin must not be left floating, and an open or GND-shorted ILIM pin is treated as a fault. |+| 9 | IMON | output | Analog load-current monitor that sources a current proportional to load current (gain 246 µA/A typical); a resistor to GND converts it to a voltage. |+| 10 | RETRY_DLY | output | A capacitor to GND sets the delay after a fault shutdown before the device attempts an automatic restart; connecting this pin to GND selects latch-off with no automatic retry. |+| 11 | NRETRY | output | A capacitor to GND sets the number of automatic restart attempts after a fault shutdown; connecting this pin to GND selects unlimited retries. |+| 12 | LDSTRT | input | Load-detect/handshake input; a capacitor to GND sets the window after PG asserts in which the load must pull this pin low (rising threshold 1.1 V to 1.3 V), and the pin must be tied to GND if the function is unused and must not be left floating. |+| 13 | PG | output | Active-high open-drain power-good output that needs an external pull-up, is held low when VIN is below VUVP, and is recommended to be pulled up to no more than 6 V. |+| 14 | GND | power_in | Ground reference for all internal signals; connect to the system ground. |+| 15 | dVdt | output | A capacitor to GND sets the output turn-on slew rate, with the capacitor recommended for a voltage rating of VIN + 4 V; leaving the pin open gives the fastest slew rate during start-up. |+| 16 | IN | power_in | Power input to the eFuse; the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V. |+| 17 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 18 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 19 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 20 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 21 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 22 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 23 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 24 | OUT | power_out | Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A. |+| 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(4x4) |+| Category | Circuit Protection |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `TPS259822LNRGET`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`+- 3D model: VQFN-24(4x4) (KiCad packages3D, STEP)+- 3D model files: `tps259822lnrget-etched.step` / `tps259822lnrget-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps259822lnrget.step` / `tps259822lnrget.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/tps25982) (55 pp, sha256 `f4a0f06cfbd81f26`, 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/tps259822lnrget-datasheet.pdf)
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the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V."+ },+ {+ "number": "2",+ "name": "IN",+ "type": "power_in",+ "description": "Power input to the eFuse; the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V."+ },+ {+ "number": "3",+ "name": "IN",+ "type": "power_in",+ "description": "Power input to the eFuse; the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for all internal signals; connect to the system ground."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for all internal signals; connect to the system ground."+ },+ {+ "number": "6",+ "name": "EN/UVLO",+ "type": "input",+ "description": "Active-high enable with adjustable undervoltage lockout; a resistor divider from IN to GND sets the UVLO threshold, the pin must not be left floating, and the pin voltage is limited to 6 V in recommended operation (7 V absolute maximum)."+ },+ {+ "number": "7",+ "name": "ITIMER",+ "type": "output",+ "description": "A capacitor to GND sets the overcurrent blanking interval before the device responds; leaving the pin open gives the fastest response, and shorting it to GND is detected as a fault that shuts the device down."+ },+ {+ "number": "8",+ "name": "ILIM",+ "type": "output",+ "description": "A resistor to GND sets the output current limit and fast-trip threshold, with RILIM recommended between 82 Ω and 1650 Ω; the pin must not be left floating, and an open or GND-shorted ILIM pin is treated as a fault."+ },+ {+ "number": "9",+ "name": "IMON",+ "type": "output",+ "description": "Analog load-current monitor that sources a current proportional to load current (gain 246 µA/A typical); a resistor to GND converts it to a voltage."+ },+ {+ "number": "10",+ "name": "RETRY_DLY",+ "type": "output",+ "description": "A capacitor to GND sets the delay after a fault shutdown before the device attempts an automatic restart; connecting this pin to GND selects latch-off with no automatic retry."+ },+ {+ "number": "11",+ "name": "NRETRY",+ "type": "output",+ "description": "A capacitor to GND sets the number of automatic restart attempts after a fault shutdown; connecting this pin to GND selects unlimited retries."+ },+ {+ "number": "12",+ "name": "LDSTRT",+ "type": "input",+ "description": "Load-detect/handshake input; a capacitor to GND sets the window after PG asserts in which the load must pull this pin low (rising threshold 1.1 V to 1.3 V), and the pin must be tied to GND if the function is unused and must not be left floating."+ },+ {+ "number": "13",+ "name": "PG",+ "type": "output",+ "description": "Active-high open-drain power-good output that needs an external pull-up, is held low when VIN is below VUVP, and is recommended to be pulled up to no more than 6 V."+ },+ {+ "number": "14",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for all internal signals; connect to the system ground."+ },+ {+ "number": "15",+ "name": "dVdt",+ "type": "output",+ "description": "A capacitor to GND sets the output turn-on slew rate, with the capacitor recommended for a voltage rating of VIN + 4 V; leaving the pin open gives the fastest slew rate during start-up."+ },+ {+ "number": "16",+ "name": "IN",+ "type": "power_in",+ "description": "Power input to the eFuse; the operating supply range is 2.7 V to 24 V, with an absolute maximum of 30 V."+ },+ {+ "number": "17",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "number": "18",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "number": "19",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "number": "20",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "number": "21",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "number": "22",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "number": "23",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "number": "24",+ "name": "OUT",+ "type": "power_out",+ "description": "Switched power output from the internal FET to the load; the IN-to-OUT continuous switch current is rated 15 A."+ },+ {+ "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 datasheet labels the exposed pad as 'Thermal Pad 1' (IN) and 'Thermal Pad 2' (GND) rather than w; The datasheet classifies ITIMER, ILIM, IMON, RETRY_DLY, NRETRY, dVdT, PG as 'analog output' or 'digi; The datasheet pin table is written in Chinese; the descriptions above are English engineering summar",+ "exposed pad 25 added from the footprint",+ "dropped thermal pad ['THERMALPAD1', 'THERMALPAD2'] absent from footprint"+ ],+ "pages_sent": 42,+ "cost_usd": 0.2048,+ "at": "2026-10-08T10:43:04"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps25982",+ "pages": 55,+ "sha256": "f4a0f06cfbd81f26",+ "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": "tps259822lnrget.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps259822lnrget-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "7e975afda7b39b70a4e6af896c71a40668d839b5fbce70e14e01739519f638c5",+ "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]"+ }+}