component
TPS65263-1QRHBTQ1
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.
← Commit history
README.mdadded+70@@ -0,0 +1,70 @@+# TPS65263-1QRHBTQ1++**Texas Instruments** · DC-DC Converters · VQFN-32-EP(5x5)++TPS65263-1QRHBTQ1 from Texas Instruments, in a VQFN-32-EP(5x5). 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 | EN3 | input | Enable for buck3; float to enable, and a resistor divider can set the buck3 input UVLO. |+| 2 | SDA | bidirectional | I2C interface data pin; float or connect to GND to disable I2C communication. |+| 3 | SCL | input | I2C interface clock pin; float or connect to GND to disable I2C communication. |+| 4 | AGND | power_in | Analog ground common to the buck controllers and other analog circuits, to be routed separately from high-current power grounds to the (-) terminal of the VIN bypass capacitor. |+| 5 | VOUT2 | input | Buck2 output voltage sense pin; absolute maximum rating is 7 V. |+| 6 | FB2 | input | Feedback Kelvin sensing pin for buck2 output voltage, connected to the buck2 resistor divider; the feedback reference is 0.6 V ±1%. |+| 7 | COMP2 | passive | Error amplifier output and loop compensation pin for buck2; a series resistor and capacitor compensate the peak current PWM loop. |+| 8 | SS2 | passive | Soft-start and tracking input for buck2 with an internal 5.2 µA pullup; soft-start time is set by a capacitor to ground. |+| 9 | BST2 | passive | Bootstrap supply for the buck2 high-side gate driver; connect a capacitor (recommended 47 nF) from BST2 to LX2. |+| 10 | LX2 | output | Buck2 switching node to the inductor and bootstrap capacitor; swings from a diode drop below ground up to the PVIN2 voltage. |+| 11 | PGND2 | power_in | Power ground for buck2; connect as close as practical to the (-) terminal of the VIN2 input ceramic capacitor. |+| 12 | PVIN2 | power_in | Input power supply for buck2; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF). |+| 13 | PVIN3 | power_in | Input power supply for buck3; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF). |+| 14 | PGND3 | power_in | Power ground for buck3; connect as close as practical to the (-) terminal of the VIN3 input ceramic capacitor. |+| 15 | LX3 | output | Buck3 switching node to the inductor and bootstrap capacitor; swings from a diode drop below ground up to the PVIN3 voltage. |+| 16 | BST3 | passive | Bootstrap supply for the buck3 high-side gate driver; connect a capacitor (recommended 47 nF) from BST3 to LX3. |+| 17 | SS3 | passive | Soft-start and tracking input for buck3 with an internal 5.2 µA pullup; soft-start time is set by a capacitor to ground. |+| 18 | COMP3 | passive | Error amplifier output and loop compensation pin for buck3; a series resistor and capacitor compensate the peak current PWM loop. |+| 19 | FB3 | input | Feedback Kelvin sensing pin for buck3 output voltage, connected to the buck3 resistor divider; the feedback reference is 0.6 V ±1%. |+| 20 | PGOOD | output | Output voltage supervision pin; asserted high when all bucks are within the PGOOD monitor regulation range; absolute maximum rating is 7 V. |+| 21 | ROSC | passive | Clock frequency adjustment pin; a resistor to ground sets the switching frequency (200 kHz to 2.3 MHz), and an external clock on this pin synchronizes the internal oscillator. |+| 22 | FB1 | input | Feedback Kelvin sensing pin for buck1 output voltage, connected to the buck1 resistor divider; the feedback reference is 0.6 V ±1%. |+| 23 | COMP1 | passive | Error amplifier output and loop compensation pin for buck1; a series resistor and capacitor compensate the peak current PWM loop. |+| 24 | SS1 | passive | Soft-start and tracking input for buck1 with an internal 5.2 µA pullup; soft-start time is set by a capacitor to ground. |+| 25 | BST1 | passive | Bootstrap supply for the buck1 high-side gate driver; connect a capacitor (recommended 47 nF) from BST1 to LX1. |+| 26 | LX1 | output | Buck1 switching node to the inductor and bootstrap capacitor; swings from a diode drop below ground up to the PVIN1 voltage. |+| 27 | PGND1 | power_in | Power ground for buck1; connect as close as practical to the (-) terminal of the VIN1 input ceramic capacitor. |+| 28 | PVIN1 | power_in | Input power supply for buck1; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF). |+| 29 | VIN | power_in | Buck controller power supply; recommended operating range is 4 V to 18 V. |+| 30 | V7V | power_out | Internal LDO output for the gate driver and internal controller; connect a 10 µF ceramic capacitor from this pin to power ground. |+| 31 | EN1 | input | Enable for buck1; float to enable, and a resistor divider can set the buck1 input UVLO. |+| 32 | EN2 | input | Enable for buck2; float to enable, and a resistor divider can set the buck2 input UVLO. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-32-EP(5x5) |+| Category | Power Supply Chip |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `TPS65263-1QRHBTQ1`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)+- 3D model files: `tps65263-1qrhbtq1-etched.step` / `tps65263-1qrhbtq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps65263-1qrhbtq1.step` / `tps65263-1qrhbtq1.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/tps65263-1q1) (48 pp, sha256 `80d3442bf670d35c`, 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/tps65263-1qrhbtq1-datasheet.pdf)
page.jsonadded+351@@ -0,0 +1,351 @@+{+ "slug": "tps65263-1qrhbtq1",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "tps65263-1qrhbtq1",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps65263-1qrhbtq1.kicad_sym",+ "tps65263-1qrhbtq1.kicad_mod",+ "tps65263-1qrhbtq1.glb",+ "tps65263-1qrhbtq1.step",+ "tps65263-1qrhbtq1.lbr",+ "docs/hero.png",+ "docs/tps65263-1qrhbtq1-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps65263-1qrhbtq1-hero.glb",+ "tps65263-1qrhbtq1-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS65263-1QRHBTQ1",+ "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/tps65263-1q1",+ "parts": {+ "symbol": "tps65263-1qrhbtq1.kicad_sym",+ "footprint": "tps65263-1qrhbtq1.kicad_mod",+ "model_3d": "tps65263-1qrhbtq1-hero.glb",+ "model_3d_plain": "tps65263-1qrhbtq1.glb",+ "model_3d_step": "tps65263-1qrhbtq1-etched.step",+ "model_3d_step_plain": "tps65263-1qrhbtq1.step",+ "lbr": "tps65263-1qrhbtq1.lbr"+ },+ "distributor_links": {+ "lcsc": "C1880040",+ "digikey": "296-TPS65263-1QRHBTQ1TR-ND",+ "mouser": "595-TPS652631QRHBTQ1"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T14:49:20Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-TPS65263-1QRHBTQ1TR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS652631QRHBTQ1",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "EN3",+ "type": "input",+ "description": "Enable for buck3; float to enable, and a resistor divider can set the buck3 input UVLO."+ },+ {+ "number": "2",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C interface data pin; float or connect to GND to disable I2C communication."+ },+ {+ "number": "3",+ "name": "SCL",+ "type": "input",+ "description": "I2C interface clock pin; float or connect to GND to disable I2C communication."+ },+ {+ "number": "4",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground common to the buck controllers and other analog circuits, to 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; absolute maximum rating is 7 V."+ },+ {+ "number": "6",+ "name": "FB2",+ "type": "input",+ "description": "Feedback Kelvin sensing pin for buck2 output voltage, connected to the buck2 resistor divider; the feedback reference is 0.6 V ±1%."+ },+ {+ "number": "7",+ "name": "COMP2",+ "type": "passive",+ "description": "Error amplifier output and loop compensation pin for buck2; a series resistor and capacitor compensate the peak current PWM loop."+ },+ {+ "number": "8",+ "name": "SS2",+ "type": "passive",+ "description": "Soft-start and tracking input for buck2 with an internal 5.2 µA pullup; soft-start time is set 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 to the inductor and bootstrap capacitor; swings from a diode drop below ground up to the PVIN2 voltage."+ },+ {+ "number": "11",+ "name": "PGND2",+ "type": "power_in",+ "description": "Power ground for buck2; connect as close as practical to the (-) terminal of the VIN2 input ceramic capacitor."+ },+ {+ "number": "12",+ "name": "PVIN2",+ "type": "power_in",+ "description": "Input power supply for buck2; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF)."+ },+ {+ "number": "13",+ "name": "PVIN3",+ "type": "power_in",+ "description": "Input power supply for buck3; connect as close as practical to the (+) terminal of an input ceramic capacitor (suggested 10 µF)."+ },+ {+ "number": "14",+ "name": "PGND3",+ "type": "power_in",+ "description": "Power ground for buck3; connect as close as practical to the (-) terminal of the VIN3 input ceramic capacitor."+ },+ {+ "number": "15",+ "name": "LX3",+ "type": "output",+ "description": "Buck3 switching node to the inductor and bootstrap capacitor; swings from a diode drop 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": "passive",+ "description": "Soft-start and tracking input for buck3 with an internal 5.2 µA pullup; soft-start time is set by a capacitor to ground."+ },+ {+ "number": "18",+ "name": "COMP3",+ "type": "passive",+ "description": "Error amplifier output and loop compensation pin for buck3; a series resistor and capacitor compensate the peak current PWM loop."+ },+ {+ "number": "19",+ "name": "FB3",+ "type": "input",+ "description": "Feedback Kelvin sensing pin for buck3 output voltage, connected to the buck3 resistor divider; the feedback reference is 0.6 V ±1%."+ },+ {+ "number": "20",+ "name": "PGOOD",+ "type": "output",+ "description": "Output voltage supervision pin; asserted high when all bucks are within the PGOOD monitor regulation range; absolute maximum rating is 7 V."+ },+ {+ "number": "21",+ "name": "ROSC",+ "type": "passive",+ "description": "Clock frequency adjustment pin; a resistor to ground sets the switching frequency (200 kHz to 2.3 MHz), and an external clock on this pin synchronizes the internal oscillator."+ },+ {+ "number": "22",+ "name": "FB1",+ "type": "input",+ "description": "Feedback Kelvin sensing pin for buck1 output voltage, connected to the buck1 resistor divider; the feedback reference is 0.6 V ±1%."+ },+ {+ "number": "23",+ "name": "COMP1",+ "type": "passive",+ "description": "Error amplifier output and loop compensation pin for buck1; a series resistor and capacitor compensate the peak current PWM loop."+ },+ {+ "number": "24",+ "name": "SS1",+ "type": "passive",+ "description": "Soft-start and tracking input for buck1 with an internal 5.2 µA pullup; soft-start time is set 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 to the inductor and bootstrap capacitor; swings from a diode drop below ground up to the PVIN1 voltage."+ },+ {+ "number": "27",+ "name": "PGND1",+ "type": "power_in",+ "description": "Power ground for buck1; connect as close as practical to the (-) terminal of the VIN1 input ceramic capacitor."+ },+ {+ "number": "28",+ "name": "PVIN1",+ "type": "power_in",+ "description": "Input power supply for buck1; 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 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 ceramic capacitor from this pin to power ground."+ },+ {+ "number": "31",+ "name": "EN1",+ "type": "input",+ "description": "Enable for buck1; float to enable, and a resistor divider can set the buck1 input UVLO."+ },+ {+ "number": "32",+ "name": "EN2",+ "type": "input",+ "description": "Enable for buck2; float to enable, and a resistor divider 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 thermal pad is not a numbered pin and is not in the Table 5-1 pin list; the datasheet states the; Pin types for BST1/2/3, SS1/2/3, COMP1/2/3, ROSC and the I2C pins were assigned from functional desc; The pinout is for the RHB 32-pin VQFN from the datasheet's pin table (pages 3-4). The package addend",+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0809,+ "at": "2026-10-08T14:49:01"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps65263-1q1",+ "pages": 48,+ "sha256": "80d3442bf670d35c",+ "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": "tps65263-1qrhbtq1.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": "tps65263-1qrhbtq1-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": "3cdcbcd0f82cedbae1691cb0e193c26e82bfe4ae07d8669374aa522dedf1cbc5",+ "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]"+ }+}