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LNBH25LSPQR
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STMicroelectronics Power Management - Specialized, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+61@@ -0,0 +1,61 @@+# LNBH25LSPQR++**STMicroelectronics** · Power Management - Specialized · QFN-24-EP(4x4)++LNBH25LSPQR from STMicroelectronics, in a QFN-24-EP(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 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 2 | GND | power_in | Analog ground for the analog circuits; to be connected directly to the exposed pad. |+| 3 | LX | passive | Drain of the integrated N-channel power MOSFET of the DC-DC step-up converter. |+| 4 | PGND | power_in | DC-DC converter power ground; to be connected directly to the exposed pad. |+| 5 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 6 | ADDR | input | Address setting pin; the voltage level selects one of two available I²C bus addresses (see Table 15 of the datasheet). |+| 7 | SCL | input | Serial clock input from the I²C bus. |+| 8 | SDA | bidirectional | Bi-directional serial data line to and from the I²C bus. |+| 9 | ISEL | passive | Resistor RSEL connected between ISEL and GND sets the linear regulator current limit threshold, up to 750 mA. |+| 10 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 11 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 12 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 13 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 14 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 15 | GND | power_in | Analog ground for the analog circuits; to be connected directly to the exposed pad. |+| 16 | VBYP | passive | Bypass pin for internal pre-regulator filtering; intended only for an external ceramic capacitor, and any connection to external current or voltage sources may cause permanent damage. |+| 17 | VCC | power_in | Supply input of 8 to 16 V for the IC DC-DC power supply. |+| 18 | GND | power_in | Analog ground for the analog circuits; to be connected directly to the exposed pad. |+| 19 | GND | power_in | Analog ground for the analog circuits; to be connected directly to the exposed pad. |+| 20 | VOUT | power_out | Output of the integrated very low drop linear regulator, providing the LNB 13/18 V output and 22 kHz tone; voltage selection per Table 13. |+| 21 | VUP | power_in | Input of the linear post-regulator, monitored by the step-up controller to keep a minimum dropout across the pass transistor. |+| 22 | DSQIN | input | Logic input (TTL compatible) used as DiSEqC envelope input or external 22 kHz TTL input depending on the EXTM and TEN I²C bits; pull up high if the tone is enabled only by the TEN bit. |+| 23 | GND | power_in | Analog ground for the analog circuits; to be connected directly to the exposed pad. |+| 24 | NC | unconnected | Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | QFN-24-EP(4x4) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `LNBH25LSPQR`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm`+- 3D model: QFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `lnbh25lspqr-etched.step` / `lnbh25lspqr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lnbh25lspqr.step` / `lnbh25lspqr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590169396225613824) (30 pp, sha256 `84c10c68e23fa327`, retrieved 2026-10-07, 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/lnbh25lspqr-datasheet.pdf)
page.jsonadded+305@@ -0,0 +1,305 @@+{+ "slug": "lnbh25lspqr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Power Management - Specialized, QFN-24-EP(4x4). 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the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground for the analog circuits; to be connected directly to the exposed pad."+ },+ {+ "number": "3",+ "name": "LX",+ "type": "passive",+ "description": "Drain of the integrated N-channel power MOSFET of the DC-DC step-up converter."+ },+ {+ "number": "4",+ "name": "PGND",+ "type": "power_in",+ "description": "DC-DC converter power ground; to be connected directly to the exposed pad."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "number": "6",+ "name": "ADDR",+ "type": "input",+ "description": "Address setting pin; the voltage level selects one of two available I²C bus addresses (see Table 15 of the datasheet)."+ },+ {+ "number": "7",+ "name": "SCL",+ "type": "input",+ "description": "Serial clock input from the I²C bus."+ },+ {+ "number": "8",+ "name": "SDA",+ "type": "bidirectional",+ "description": "Bi-directional serial data line to and from the I²C bus."+ },+ {+ "number": "9",+ "name": "ISEL",+ "type": "passive",+ "description": "Resistor RSEL connected between ISEL and GND sets the linear regulator current limit threshold, up to 750 mA."+ },+ {+ "number": "10",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "number": "11",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "number": "13",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "number": "14",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "number": "15",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground for the analog circuits; to be connected directly to the exposed pad."+ },+ {+ "number": "16",+ "name": "VBYP",+ "type": "passive",+ "description": "Bypass pin for internal pre-regulator filtering; intended only for an external ceramic capacitor, and any connection to external current or voltage sources may cause permanent damage."+ },+ {+ "number": "17",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply input of 8 to 16 V for the IC DC-DC power supply."+ },+ {+ "number": "18",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground for the analog circuits; to be connected directly to the exposed pad."+ },+ {+ "number": "19",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground for the analog circuits; to be connected directly to the exposed pad."+ },+ {+ "number": "20",+ "name": "VOUT",+ "type": "power_out",+ "description": "Output of the integrated very low drop linear regulator, providing the LNB 13/18 V output and 22 kHz tone; voltage selection per Table 13."+ },+ {+ "number": "21",+ "name": "VUP",+ "type": "power_in",+ "description": "Input of the linear post-regulator, monitored by the step-up controller to keep a minimum dropout across the pass transistor."+ },+ {+ "number": "22",+ "name": "DSQIN",+ "type": "input",+ "description": "Logic input (TTL compatible) used as DiSEqC envelope input or external 22 kHz TTL input depending on the EXTM and TEN I²C bits; pull up high if the tone is enabled only by the TEN bit."+ },+ {+ "number": "23",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground for the analog circuits; to be connected directly to the exposed pad."+ },+ {+ "number": "24",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; the datasheet notes it can be tied to GND to improve thermal performance."+ },+ {+ "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: Package matches: the datasheet's QFN24L (4x4 mm) with exposed pad corresponds to the requested QFN-2; The exposed pad has no numeric pin number in the datasheet; it is listed as 'Epad' in Table 2 and is; The pin table (Table 2) was used because the pin-connection figure (Figure 5) is an image with no te",+ "exposed pad 25 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 17,+ "cost_usd": 0.0692,+ "at": "2026-10-07T23:57:28"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590169396225613824",+ "pages": 30,+ "sha256": "84c10c68e23fa327",+ "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": "lnbh25lspqr.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": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lnbh25lspqr-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": "3ff297dfaf4a10d7fb23c0287bc892b9e88ce86ba47acfd4ca740ecf8bfddd5d",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}