component
TPS651851RSLR
Public Made by Adomby adom
Texas Instruments Global Sourcing Parts, VQFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+86@@ -0,0 +1,86 @@+# TPS651851RSLR++**Texas Instruments** · Global Sourcing Parts · VQFN-48-EP(6x6)++TPS651851RSLR from Texas Instruments, in a VQFN-48-EP(6x6). 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 | VREF | power_in | Filter pin for 2.25-V internal reference voltage to ADC; connect a 4.7-µF capacitor from this pin to ground. |+| 2 | INT | output | Open-drain interrupt pin (active low); pulled low when one or more INT1 or INT2 bits are set. |+| 3 | VNEG | power_out | Negative supply output pin for panel source drivers at -15V nominal; connect a 4.7-µF capacitor from this pin to ground. |+| 4 | VNEG_IN | power_in | Input pin for LDO2 (VNEG) from DCDC2 output in range 15.2-16.8V; connect a 4.7-µF capacitor from this pin to ground. |+| 5 | WAKEUP | input | Wake-up pin (active high); pull this pin high to wake up from sleep mode and enable I2C interface. |+| 6 | DGND | power_in | Digital ground reference point; connect to ground plane. |+| 7 | INT_LDO | output | Filter pin for 2.7-V internal supply; connect a 4.7-µF capacitor from this pin to ground. |+| 8 | AGND1 | power_in | Analog ground for general analog circuitry and VCOM driver circuit reference. |+| 9 | VNEG_DIS | output | Discharge pin for VNEG output rail; connect to VNEG to enable active discharge when rail is disabled. |+| 10 | VIN | power_in | Input power supply to general circuitry in range 3-6V; connect a 10-µF capacitor from this pin to ground. |+| 11 | N/C | unconnected | Not internally connected; leave floating. |+| 12 | VCOM_CTRL | input | VCOM amplifier enable control pin; pull high to enable or tie to battery for automatic sequencing with power rails. |+| 13 | N/C | unconnected | Not internally connected; leave floating. |+| 14 | VCOM_DIS | input | Discharge pin for VCOM output; connect to ground to discharge VCOM when disabled or leave floating if not desired. |+| 15 | VCOM | output | Filter pin for panel common-voltage driver output in range 0V to -5.11V with 10mV resolution; connect a 4.7-µF capacitor from this pin to ground. |+| 16 | VCOM_PWR | power_in | Internal supply input pin to VCOM buffer; connect to DCDC2 output and add 4.7-µF capacitor from this pin to ground. |+| 17 | SCL | input | I2C serial interface clock input; supports 100-400 kHz clock frequency with 0.4V input low threshold. |+| 18 | SDA | bidirectional | I2C serial interface data input/output (open-drain); requires external pull-up resistor with output low threshold of 0.4V. |+| 19 | VPOS_DIS | input | Discharge pin for VPOS output; connect resistor from VPOS_DIS to VPOS to discharge when rail disabled or leave floating if not desired. |+| 20 | N/C | unconnected | Not internally connected; leave floating. |+| 21 | PWRUP | input | Power-up pin (edge-sensitive); pull high to transition from STANDBY to ACTIVE mode and power up output rails. |+| 22 | PBKG | passive | Die substrate connection; connect to VN pin (-16V) with short wide trace to improve heat dissipation. |+| 23 | PWR_GOOD | output | Open-drain power-good output pin; pulled low when any of four power rails (CP1, CP2, LDO1, LDO2) are disabled or not in regulation. |+| 24 | VIN_P | power_in | Input power supply to inverting buck-boost converter (DCDC2) in range 3-6V; connect a 10-µF capacitor from this pin to ground. |+| 25 | VN_SW | output | Inverting buck-boost converter (DCDC2) switch output; connects to external inductor for -16V generation. |+| 26 | VN | power_in | Feedback pin for inverting buck-boost converter (DCDC2) at -16V output and supply for VNEG LDO and VEE charge pump; connect 4.7-µF capacitor from this pin to ground. |+| 27 | VEE_IN | power_in | Input supply pin for negative charge pump (CP2); connect output of VN buck-boost converter at -16V. |+| 28 | VEE_DRV | output | Driver output pin for negative charge pump (CP2) generating -20V rail with 15mA output current capability for TPS651851. |+| 29 | VEE_DIS | input | Discharge pin for VEE output rail; connect resistor from VEE_DIS to VEE to enable active discharge when disabled or leave floating if not desired. |+| 30 | VEE_D | output | Base voltage output pin for negative charge pump (CP2); connect a 100-nF capacitor from this pin to ground. |+| 31 | VEE_FB | input | Feedback pin for negative charge pump (CP2) with typical feedback voltage of -0.994V at -20V output. |+| 32 | PGND2 | power_in | Power ground for CP1 (VDDH) and CP2 (VEE) charge pumps; provides return path for pump currents. |+| 33 | VDDH_FB | input | Feedback pin for positive charge pump (CP1) with typical feedback voltage of 0.998V at 22V output. |+| 34 | VDDH_D | output | Base voltage output pin for positive charge pump (CP1); connect a 100-nF capacitor from this pin to ground. |+| 35 | VDDH_DIS | input | Discharge pin for VDDH output rail; connect to VDDH to discharge when rail disabled or leave floating if not desired. |+| 36 | VDDH_DRV | output | Driver output pin for positive charge pump (CP1) generating 22V rail with 15mA output current capability for TPS651851. |+| 37 | VDDH_IN | power_in | Input supply pin for positive charge pump (CP1); connect output of VB boost converter at +16V. |+| 38 | N/C | unconnected | Not internally connected; leave floating. |+| 39 | N/C | unconnected | Not internally connected; leave floating. |+| 40 | VB_SW | output | Boost converter (DCDC1) switch output; connects to external inductor for +16V generation. |+| 41 | PGND1 | power_in | Power ground for DCDC1 boost converter; provides return path for boost converter current. |+| 42 | VB | power_in | Feedback pin for boost converter (DCDC1) at +16V output and supply for VPOS LDO and VDDH charge pump; connect 4.7-µF capacitor from this pin to ground. |+| 43 | VPOS_IN | power_in | Input pin for LDO1 (VPOS) from DCDC1 output in range 15.2-16.8V; connect a 4.7-µF capacitor from this pin to ground. |+| 44 | VPOS | power_out | Positive supply output pin for panel source drivers at +15V nominal; connect a 4.7-µF capacitor from this pin to ground. |+| 45 | VIN3P3 | power_in | Input pin to 3.3-V power switch in range 3-6V; connect to system 3.3V supply that requires gating to E-Ink panel. |+| 46 | V3P3 | power_out | Output pin of integrated 3.3-V power switch; provides gated 3.3V supply to E-Ink display panel with 10Ω on-resistance. |+| 47 | TS | input | Thermistor input pin for panel temperature monitoring; connect 10-kΩ NTC thermistor and 43-kΩ linearization resistor between this pin and AGND2. |+| 48 | AGND2 | power_in | Reference ground point for external thermistor and linearization resistor; measures panel temperature from -10°C to 85°C. |+| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-48-EP(6x6) |+| Category | Global Sourcing Parts |+| Pins | 49 |++## CAD (KiCad official)++- Symbol: `TPS651851RSLR`+- Footprint: `Package_DFN_QFN:QFN-48-1EP_6x6mm_P0.4mm_EP4.2x4.2mm`+- 3D model: VQFN-48-EP(6x6), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal QFN height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `tps651851rslr-etched.step` / `tps651851rslr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps651851rslr.step` / `tps651851rslr.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/tps65185) (66 pp, sha256 `903effae4b79ef29`, retrieved 2026-10-01, 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 0.2`, primary `claude-haiku-4-5-20251001` (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/tps651851rslr-datasheet.pdf)
page.jsonadded+404@@ -0,0 +1,404 @@+{+ "slug": "tps651851rslr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Global Sourcing Parts, VQFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "global sourcing parts",+ "tps651851rslr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps651851rslr.kicad_sym",+ "tps651851rslr.kicad_mod",+ "tps651851rslr.glb",+ "tps651851rslr.step",+ "tps651851rslr.lbr",+ "docs/hero.png",+ "docs/tps651851rslr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "TPS651851RSLR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-48-EP(6x6)",+ "pin_count": 49,+ "category": "Global Sourcing Parts",+ "subcategory": "Global Sourcing Parts",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps65185",+ "parts": {+ "symbol": "tps651851rslr.kicad_sym",+ "footprint": "tps651851rslr.kicad_mod",+ "model_3d": "tps651851rslr-etched.glb",+ "model_3d_plain": "tps651851rslr.glb",+ "model_3d_step": "tps651851rslr-etched.step",+ "model_3d_step_plain": "tps651851rslr.step",+ "lbr": "tps651851rslr.lbr"+ },+ "distributor_links": {+ "lcsc": "C702311",+ "digikey": "296-49010-2-ND",+ "mouser": "595-TPS651851RSLR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T17:23:43Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-49010-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS651851RSLR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VREF",+ "type": "power_in",+ "description": "Filter pin for 2.25-V internal reference voltage to ADC; connect a 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "2",+ "name": "INT",+ "type": "output",+ "description": "Open-drain interrupt pin (active low); pulled low when one or more INT1 or INT2 bits are set."+ },+ {+ "number": "3",+ "name": "VNEG",+ "type": "power_out",+ "description": "Negative supply output pin for panel source drivers at -15V nominal; connect a 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "4",+ "name": "VNEG_IN",+ "type": "power_in",+ "description": "Input pin for LDO2 (VNEG) from DCDC2 output in range 15.2-16.8V; connect a 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "5",+ "name": "WAKEUP",+ "type": "input",+ "description": "Wake-up pin (active high); pull this pin high to wake up from sleep mode and enable I2C interface."+ },+ {+ "number": "6",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground reference point; connect to ground plane."+ },+ {+ "number": "7",+ "name": "INT_LDO",+ "type": "output",+ "description": "Filter pin for 2.7-V internal supply; connect a 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "8",+ "name": "AGND1",+ "type": "power_in",+ "description": "Analog ground for general analog circuitry and VCOM driver circuit reference."+ },+ {+ "number": "9",+ "name": "VNEG_DIS",+ "type": "output",+ "description": "Discharge pin for VNEG output rail; connect to VNEG to enable active discharge when rail is disabled."+ },+ {+ "number": "10",+ "name": "VIN",+ "type": "power_in",+ "description": "Input power supply to general circuitry in range 3-6V; connect a 10-µF capacitor from this pin to ground."+ },+ {+ "number": "11",+ "name": "N/C",+ "type": "unconnected",+ "description": "Not internally connected; leave floating."+ },+ {+ "number": "12",+ "name": "VCOM_CTRL",+ "type": "input",+ "description": "VCOM amplifier enable control pin; pull high to enable or tie to battery for automatic sequencing with power rails."+ },+ {+ "number": "13",+ "name": "N/C",+ "type": "unconnected",+ "description": "Not internally connected; leave floating."+ },+ {+ "number": "14",+ "name": "VCOM_DIS",+ "type": "input",+ "description": "Discharge pin for VCOM output; connect to ground to discharge VCOM when disabled or leave floating if not desired."+ },+ {+ "number": "15",+ "name": "VCOM",+ "type": "output",+ "description": "Filter pin for panel common-voltage driver output in range 0V to -5.11V with 10mV resolution; connect a 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "16",+ "name": "VCOM_PWR",+ "type": "power_in",+ "description": "Internal supply input pin to VCOM buffer; connect to DCDC2 output and add 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "17",+ "name": "SCL",+ "type": "input",+ "description": "I2C serial interface clock input; supports 100-400 kHz clock frequency with 0.4V input low threshold."+ },+ {+ "number": "18",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C serial interface data input/output (open-drain); requires external pull-up resistor with output low threshold of 0.4V."+ },+ {+ "number": "19",+ "name": "VPOS_DIS",+ "type": "input",+ "description": "Discharge pin for VPOS output; connect resistor from VPOS_DIS to VPOS to discharge when rail disabled or leave floating if not desired."+ },+ {+ "number": "20",+ "name": "N/C",+ "type": "unconnected",+ "description": "Not internally connected; leave floating."+ },+ {+ "number": "21",+ "name": "PWRUP",+ "type": "input",+ "description": "Power-up pin (edge-sensitive); pull high to transition from STANDBY to ACTIVE mode and power up output rails."+ },+ {+ "number": "22",+ "name": "PBKG",+ "type": "passive",+ "description": "Die substrate connection; connect to VN pin (-16V) with short wide trace to improve heat dissipation."+ },+ {+ "number": "23",+ "name": "PWR_GOOD",+ "type": "output",+ "description": "Open-drain power-good output pin; pulled low when any of four power rails (CP1, CP2, LDO1, LDO2) are disabled or not in regulation."+ },+ {+ "number": "24",+ "name": "VIN_P",+ "type": "power_in",+ "description": "Input power supply to inverting buck-boost converter (DCDC2) in range 3-6V; connect a 10-µF capacitor from this pin to ground."+ },+ {+ "number": "25",+ "name": "VN_SW",+ "type": "output",+ "description": "Inverting buck-boost converter (DCDC2) switch output; connects to external inductor for -16V generation."+ },+ {+ "number": "26",+ "name": "VN",+ "type": "power_in",+ "description": "Feedback pin for inverting buck-boost converter (DCDC2) at -16V output and supply for VNEG LDO and VEE charge pump; connect 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "27",+ "name": "VEE_IN",+ "type": "power_in",+ "description": "Input supply pin for negative charge pump (CP2); connect output of VN buck-boost converter at -16V."+ },+ {+ "number": "28",+ "name": "VEE_DRV",+ "type": "output",+ "description": "Driver output pin for negative charge pump (CP2) generating -20V rail with 15mA output current capability for TPS651851."+ },+ {+ "number": "29",+ "name": "VEE_DIS",+ "type": "input",+ "description": "Discharge pin for VEE output rail; connect resistor from VEE_DIS to VEE to enable active discharge when disabled or leave floating if not desired."+ },+ {+ "number": "30",+ "name": "VEE_D",+ "type": "output",+ "description": "Base voltage output pin for negative charge pump (CP2); connect a 100-nF capacitor from this pin to ground."+ },+ {+ "number": "31",+ "name": "VEE_FB",+ "type": "input",+ "description": "Feedback pin for negative charge pump (CP2) with typical feedback voltage of -0.994V at -20V output."+ },+ {+ "number": "32",+ "name": "PGND2",+ "type": "power_in",+ "description": "Power ground for CP1 (VDDH) and CP2 (VEE) charge pumps; provides return path for pump currents."+ },+ {+ "number": "33",+ "name": "VDDH_FB",+ "type": "input",+ "description": "Feedback pin for positive charge pump (CP1) with typical feedback voltage of 0.998V at 22V output."+ },+ {+ "number": "34",+ "name": "VDDH_D",+ "type": "output",+ "description": "Base voltage output pin for positive charge pump (CP1); connect a 100-nF capacitor from this pin to ground."+ },+ {+ "number": "35",+ "name": "VDDH_DIS",+ "type": "input",+ "description": "Discharge pin for VDDH output rail; connect to VDDH to discharge when rail disabled or leave floating if not desired."+ },+ {+ "number": "36",+ "name": "VDDH_DRV",+ "type": "output",+ "description": "Driver output pin for positive charge pump (CP1) generating 22V rail with 15mA output current capability for TPS651851."+ },+ {+ "number": "37",+ "name": "VDDH_IN",+ "type": "power_in",+ "description": "Input supply pin for positive charge pump (CP1); connect output of VB boost converter at +16V."+ },+ {+ "number": "38",+ "name": "N/C",+ "type": "unconnected",+ "description": "Not internally connected; leave floating."+ },+ {+ "number": "39",+ "name": "N/C",+ "type": "unconnected",+ "description": "Not internally connected; leave floating."+ },+ {+ "number": "40",+ "name": "VB_SW",+ "type": "output",+ "description": "Boost converter (DCDC1) switch output; connects to external inductor for +16V generation."+ },+ {+ "number": "41",+ "name": "PGND1",+ "type": "power_in",+ "description": "Power ground for DCDC1 boost converter; provides return path for boost converter current."+ },+ {+ "number": "42",+ "name": "VB",+ "type": "power_in",+ "description": "Feedback pin for boost converter (DCDC1) at +16V output and supply for VPOS LDO and VDDH charge pump; connect 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "43",+ "name": "VPOS_IN",+ "type": "power_in",+ "description": "Input pin for LDO1 (VPOS) from DCDC1 output in range 15.2-16.8V; connect a 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "44",+ "name": "VPOS",+ "type": "power_out",+ "description": "Positive supply output pin for panel source drivers at +15V nominal; connect a 4.7-µF capacitor from this pin to ground."+ },+ {+ "number": "45",+ "name": "VIN3P3",+ "type": "power_in",+ "description": "Input pin to 3.3-V power switch in range 3-6V; connect to system 3.3V supply that requires gating to E-Ink panel."+ },+ {+ "number": "46",+ "name": "V3P3",+ "type": "power_out",+ "description": "Output pin of integrated 3.3-V power switch; provides gated 3.3V supply to E-Ink display panel with 10Ω on-resistance."+ },+ {+ "number": "47",+ "name": "TS",+ "type": "input",+ "description": "Thermistor input pin for panel temperature monitoring; connect 10-kΩ NTC thermistor and 43-kΩ linearization resistor between this pin and AGND2."+ },+ {+ "number": "48",+ "name": "AGND2",+ "type": "power_in",+ "description": "Reference ground point for external thermistor and linearization resistor; measures panel temperature from -10°C to 85°C."+ },+ {+ "number": "49",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Open-drain output pins (INT, PWR_GOOD) are classified as 'output' type per KiCad ERC standards, but ; Thermal pad connection: The datasheet indicates thermal pad is internally connected to PBKG pin and "+ ],+ "pages_sent": 66,+ "cost_usd": 0.4202,+ "at": "2026-10-01T17:23:15"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps65185",+ "pages": 66,+ "sha256": "903effae4b79ef29",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 49,+ "described": 49,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}