component
LNBH25LSPQR
Public Made by Adomby adom
STMicroelectronics Power Management - Specialized, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "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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"power management (pmic)",
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"factory-2.0.0",
"extractor-text"
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],
"component": {
"mpn": "LNBH25LSPQR",
"manufacturer": "STMicroelectronics",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Power Management (PMIC)",
"subcategory": "Power Management - Specialized",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590169396225613824",
"parts": {
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"footprint": "lnbh25lspqr.kicad_mod",
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"lbr": "lnbh25lspqr.lbr"
},
"distributor_links": {
"lcsc": "C2659311",
"digikey": "497-15429-2-ND",
"mouser": "511-LNBH25LSPQR"
},
"distributor_check": {
"checked_at": "2026-10-07T23:57:46Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-15429-2-ND",
"status": "found",
"lifecycle": "Obsolete"
},
"mouser": {
"pn": "511-LNBH25LSPQR",
"status": "found",
"lifecycle": "End of Life"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; 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
}
},
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