component
TPS65263RHBR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375
{
"schema_version": 1,
"type": "component",
"slug": "tps65263rhbr",
"title": "TPS65263RHBR",
"brief": "Texas Instruments DC-DC Converters, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power supply chip",
"tps65263rhbr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS65263RHBR",
"manufacturer": "Texas Instruments",
"package": "VQFN-32-EP(5x5)",
"pin_count": 33,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps65263",
"parts": {
"symbol": "tps65263rhbr.kicad_sym",
"footprint": "tps65263rhbr.kicad_mod",
"model_3d": "tps65263rhbr-hero.glb",
"model_3d_plain": "tps65263rhbr.glb",
"model_3d_step": "tps65263rhbr-etched.step",
"model_3d_step_plain": "tps65263rhbr.step",
"lbr": "tps65263rhbr.lbr"
},
"distributor_links": {
"lcsc": "C702324",
"digikey": "296-TPS65263RHBRTR-ND",
"mouser": "595-TPS65263RHBR"
},
"distributor_check": {
"checked_at": "2026-10-08T19:56:39Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-TPS65263RHBRTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPS65263RHBR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "EN3",
"type": "input",
"description": "Enable for buck3: float to enable, and a resistor divider on this pin can set the buck3 input UVLO."
},
{
"number": "2",
"name": "SDA",
"type": "bidirectional",
"description": "I2C interface data pin, used with the I2C-compatible interface that supports standard mode (100 kHz) and fast mode (400 kHz)."
},
{
"number": "3",
"name": "SCL",
"type": "input",
"description": "I2C interface clock pin, used with the I2C-compatible interface that supports standard mode (100 kHz) and fast mode (400 kHz)."
},
{
"number": "4",
"name": "AGND",
"type": "power_in",
"description": "Analog ground common to the buck controllers and other analog circuits; it must be routed separately from high-current power grounds to the (-) terminal of the VIN bypass capacitor."
},
{
"number": "5",
"name": "VOUT2",
"type": "input",
"description": "Buck2 output voltage sense pin."
},
{
"number": "6",
"name": "FB2",
"type": "input",
"description": "Kelvin feedback sensing pin for the buck2 output; connect to the buck2 resistor divider, with a feedback reference of 0.6 V ±1%."
},
{
"number": "7",
"name": "COMP2",
"type": "passive",
"description": "Buck2 error amplifier output and loop compensation pin; connect a series resistor and capacitor to compensate the peak-current PWM loop."
},
{
"number": "8",
"name": "SS2",
"type": "input",
"description": "Buck2 soft-start and tracking input with an internal 5 µA pullup current source; soft-start time is programmed by a capacitor to ground."
},
{
"number": "9",
"name": "BST2",
"type": "passive",
"description": "Bootstrap supply for the buck2 high-side gate driver; connect a capacitor (recommended 47 nF) from BST2 to LX2."
},
{
"number": "10",
"name": "LX2",
"type": "output",
"description": "Buck2 switching node connected to the inductor and bootstrap capacitor; swings from a diode voltage below ground up to the PVIN2 voltage."
},
{
"number": "11",
"name": "PGND2",
"type": "power_in",
"description": "Buck2 power ground; connect as close as practical to the (-) terminal of the PVIN2 input ceramic capacitor."
},
{
"number": "12",
"name": "PVIN2",
"type": "power_in",
"description": "Buck2 input power supply; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF)."
},
{
"number": "13",
"name": "PVIN3",
"type": "power_in",
"description": "Buck3 input power supply; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF)."
},
{
"number": "14",
"name": "PGND3",
"type": "power_in",
"description": "Buck3 power ground; connect as close as practical to the (-) terminal of the PVIN3 input ceramic capacitor."
},
{
"number": "15",
"name": "LX3",
"type": "output",
"description": "Buck3 switching node connected to the inductor and bootstrap capacitor; swings from a diode voltage below ground up to the PVIN3 voltage."
},
{
"number": "16",
"name": "BST3",
"type": "passive",
"description": "Bootstrap supply for the buck3 high-side gate driver; connect a capacitor (recommended 47 nF) from BST3 to LX3."
},
{
"number": "17",
"name": "SS3",
"type": "input",
"description": "Buck3 soft-start and tracking input with an internal 5 µA pullup current source; soft-start time is programmed by a capacitor to ground."
},
{
"number": "18",
"name": "COMP3",
"type": "passive",
"description": "Buck3 error amplifier output and loop compensation pin; connect a series resistor and capacitor to compensate the peak-current PWM loop."
},
{
"number": "19",
"name": "FB3",
"type": "input",
"description": "Kelvin feedback sensing pin for the buck3 output; connect to the buck3 resistor divider, with a feedback reference of 0.6 V ±1%."
},
{
"number": "20",
"name": "VOUT3",
"type": "input",
"description": "Buck3 output voltage sense pin."
},
{
"number": "21",
"name": "VOUT1",
"type": "input",
"description": "Buck1 output voltage sense pin."
},
{
"number": "22",
"name": "FB1",
"type": "input",
"description": "Kelvin feedback sensing pin for the buck1 output; connect to the buck1 resistor divider, with a feedback reference of 0.6 V ±1%."
},
{
"number": "23",
"name": "COMP1",
"type": "passive",
"description": "Buck1 error amplifier output and loop compensation pin; connect a series resistor and capacitor to compensate the peak-current PWM loop."
},
{
"number": "24",
"name": "SS1",
"type": "input",
"description": "Buck1 soft-start and tracking input with an internal 5 µA pullup current source; soft-start time is programmed by a capacitor to ground."
},
{
"number": "25",
"name": "BST1",
"type": "passive",
"description": "Bootstrap supply for the buck1 high-side gate driver; connect a capacitor (recommended 47 nF) from BST1 to LX1."
},
{
"number": "26",
"name": "LX1",
"type": "output",
"description": "Buck1 switching node connected to the inductor and bootstrap capacitor; swings from a diode voltage below ground up to the PVIN1 voltage."
},
{
"number": "27",
"name": "PGND1",
"type": "power_in",
"description": "Buck1 power ground; connect as close as practical to the (-) terminal of the PVIN1 input ceramic capacitor."
},
{
"number": "28",
"name": "PVIN1",
"type": "power_in",
"description": "Buck1 input power supply; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF)."
},
{
"number": "29",
"name": "VIN",
"type": "power_in",
"description": "Buck controller power supply; recommended operating range is 4.5 V to 18 V."
},
{
"number": "30",
"name": "V7V",
"type": "power_out",
"description": "Internal LDO output for the gate driver and internal controller; connect a 10 µF capacitor from this pin to power ground."
},
{
"number": "31",
"name": "EN1",
"type": "input",
"description": "Enable for buck1: float to enable, and a resistor divider on this pin can set the buck1 input UVLO."
},
{
"number": "32",
"name": "EN2",
"type": "input",
"description": "Enable for buck2: float to enable, and a resistor divider on this pin can set the buck2 input UVLO."
},
{
"number": "33",
"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 exposed thermal pad is not a numbered pin. The datasheet states there is no electrical connectio; The Pin Functions table lists SDA as type 'I' only. It is classified here as bidirectional because i; The ordering addendum confirms TPS65263RHBR is sold in the VQFN (RHB) 32-pin package, which matches ",
"exposed pad 33 added from the footprint"
],
"pages_sent": 9,
"cost_usd": 0.0815,
"at": "2026-10-08T19:56:14"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps65263",
"pages": 48,
"sha256": "68fb2fd65d5ab84d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tps65263rhbr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tps65263rhbr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9240cf364072900f24ddd9b3b441af00fa3a28501fa263194c05e4dd3dddbe5c",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-32-EP(5x5)",
"Category": "Power Supply Chip",
"Pins": "33"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tps65263rhbr"
],
"discovery_pitch": "TPS65263RHBR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tps65263rhbr.kicad_sym",
"tps65263rhbr.kicad_mod",
"tps65263rhbr.glb",
"tps65263rhbr.step",
"tps65263rhbr.lbr",
"docs/hero.png",
"docs/tps65263rhbr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tps65263rhbr-hero.glb",
"tps65263rhbr-hero.overlay.json"
],
"visibility": {
"public": true
}
}