LM5143QRHARQ1

@@ -0,0 +1,359 @@+{+  "slug": "lm5143qrharq1",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, VQFN-40(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm5143qrharq1",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm5143qrharq1.kicad_sym",+    "lm5143qrharq1.kicad_mod",+    "lm5143qrharq1.glb",+    "lm5143qrharq1.step",+    "lm5143qrharq1.lbr",+    "docs/hero.png",+    "docs/lm5143qrharq1-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm5143qrharq1-hero.glb",+    "lm5143qrharq1-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM5143QRHARQ1",+    "manufacturer": "Texas Instruments",+    "package": "VQFN-40(6x6)",+    "pin_count": 41,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm5143a-q1",+    "parts": {+      "symbol": "lm5143qrharq1.kicad_sym",+      "footprint": "lm5143qrharq1.kicad_mod",+      "model_3d": "lm5143qrharq1-hero.glb",+      "model_3d_plain": "lm5143qrharq1.glb",+      "model_3d_step": "lm5143qrharq1-etched.step",+      "model_3d_step_plain": "lm5143qrharq1.step",+      "lbr": "lm5143qrharq1.lbr"+    },+    "distributor_links": {+      "lcsc": 5219258,+      "digikey": "296-LM5143QRHARQ1TR-ND",+      "mouser": "595-LM5143QRHARQ1"+    },+    "distributor_check": {+      "checked_at": "2026-10-05T21:06:18Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-LM5143QRHARQ1TR-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-LM5143QRHARQ1",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "SS2",+        "type": "input",+        "description": "Channel 2 soft start programming pin; external capacitor and 20μA current source set soft start ramp duration; pulling below 150mV disables channel 2 gate drivers."+      },+      {+        "number": "2",+        "name": "COMP2",+        "type": "output",+        "description": "Channel 2 transconductance error amplifier output for external loop compensation network."+      },+      {+        "number": "3",+        "name": "FB2",+        "type": "input",+        "description": "Channel 2 feedback input; connect to VDDA for 3.3V fixed output, AGND for 5V fixed output, or external voltage divider for 0.6V to 55V adjustable with 0.6V regulation threshold."+      },+      {+        "number": "4",+        "name": "CS2",+        "type": "input",+        "description": "Channel 2 current sense amplifier input; connect via low-current Kelvin connection to external current sense resistor or DCR sensing network."+      },+      {+        "number": "5",+        "name": "VOUT2",+        "type": "input",+        "description": "Channel 2 output voltage sense and current sense amplifier input; connect to current sense resistor output side or DCR sensing capacitor terminal."+      },+      {+        "number": "6",+        "name": "VCCX",+        "type": "power_in",+        "description": "Optional external bias supply input; when VCCX exceeds 4.3V, internal VCC regulator disables and VCCX connects internally to VCC; do not exceed 6.5V or go below -0.3V."+      },+      {+        "number": "7",+        "name": "PG2",+        "type": "output",+        "description": "Open-drain power-good output that goes low when VOUT2 falls below 92% or rises above 110% of regulation point; 25μs glitch filter prevents false trips."+      },+      {+        "number": "8",+        "name": "HOL2",+        "type": "output",+        "description": "Channel 2 high-side gate driver turn-off output; drives high to disable high-side MOSFET."+      },+      {+        "number": "9",+        "name": "HO2",+        "type": "output",+        "description": "Channel 2 high-side gate driver turn-on output with 3.25A peak pull current and self-adaptive dead-time control; voltage swing HB to SW relative to SW."+      },+      {+        "number": "10",+        "name": "SW2",+        "type": "power_in",+        "description": "Channel 2 buck regulator switch node connecting high-side MOSFET source, low-side MOSFET drain, and bootstrap capacitor; operating range -0.3V to 65V nominal, -5V to 70V absolute maximum."+      },+      {+        "number": "11",+        "name": "HB2",+        "type": "power_in",+        "description": "Channel 2 bootstrap gate driver power supply; operating range -0.3V to 5.25V relative to SW2 node; connect 0.1μF ceramic capacitor between HB2 and SW2."+      },+      {+        "number": "12",+        "name": "LOL2",+        "type": "output",+        "description": "Channel 2 low-side gate driver turn-off output; drives high to disable low-side MOSFET."+      },+      {+        "number": "13",+        "name": "LO2",+        "type": "output",+        "description": "Channel 2 low-side gate driver turn-on output with 4.25A peak sink current and self-adaptive dead-time control relative to PGND2."+      },+      {+        "number": "14",+        "name": "PGND2",+        "type": "power_in",+        "description": "Power ground return for channel 2 low-side NMOS gate driver; must connect to system ground plane and PCB return path."+      },+      {+        "number": "15",+        "name": "VCC",+        "type": "power_in",+        "description": "VCC bias supply pins (pins 15 and 16 must be connected together on PCB); internal 5V regulator with 4.7V to 5.3V output, 3.3V UVLO threshold, and 170mA current limit."+      },+      {+        "number": "16",+        "name": "VCC",+        "type": "power_in",+        "description": "VCC bias supply pins (pins 15 and 16 must be connected together on PCB); internal 5V regulator with 4.7V to 5.3V output, 3.3V UVLO threshold, and 170mA current limit."+      },+      {+        "number": "17",+        "name": "PGND1",+        "type": "power_in",+        "description": "Power ground return for channel 1 low-side NMOS gate driver; must connect to system ground plane and PCB return path."+      },+      {+        "number": "18",+        "name": "LO1",+        "type": "output",+        "description": "Channel 1 low-side gate driver turn-on output with 4.25A peak sink current and self-adaptive dead-time control relative to PGND1."+      },+      {+        "number": "19",+        "name": "LOL1",+        "type": "output",+        "description": "Channel 1 low-side gate driver turn-off output; drives high to disable low-side MOSFET."+      },+      {+        "number": "20",+        "name": "HB1",+        "type": "power_in",+        "description": "Channel 1 bootstrap gate driver power supply; operating range -0.3V to 5.25V relative to SW1 node; connect 0.1μF ceramic capacitor between HB1 and SW1."+      },+      {+        "number": "21",+        "name": "SW1",+        "type": "power_in",+        "description": "Channel 1 buck regulator switch node connecting high-side MOSFET source, low-side MOSFET drain, and bootstrap capacitor; operating range -0.3V to 65V nominal, -5V to 70V absolute maximum."+      },+      {+        "number": "22",+        "name": "HO1",+        "type": "output",+        "description": "Channel 1 high-side gate driver turn-on output with 3.25A peak pull current and self-adaptive dead-time control; voltage swing HB to SW relative to SW."+      },+      {+        "number": "23",+        "name": "HOL1",+        "type": "output",+        "description": "Channel 1 high-side gate driver turn-off output; drives high to disable high-side MOSFET."+      },+      {+        "number": "24",+        "name": "PG1",+        "type": "output",+        "description": "Open-drain power-good output that goes low when VOUT1 falls below 92% or rises above 110% of regulation point; 25μs glitch filter prevents false trips."+      },+      {+        "number": "25",+        "name": "VIN",+        "type": "power_in",+        "description": "Power supply voltage input source for internal VCC regulator; operating range 3.5V to 65V recommended, -0.3V to 70V absolute maximum; VCC regulator reduces input when VIN < 5V."+      },+      {+        "number": "26",+        "name": "VOUT1",+        "type": "input",+        "description": "Channel 1 output voltage sense and current sense amplifier input; connect to current sense resistor output side or DCR sensing capacitor terminal."+      },+      {+        "number": "27",+        "name": "CS1",+        "type": "input",+        "description": "Channel 1 current sense amplifier input; connect via low-current Kelvin connection to external current sense resistor or DCR sensing network."+      },+      {+        "number": "28",+        "name": "FB1",+        "type": "input",+        "description": "Channel 1 feedback input; connect to VDDA for 3.3V fixed output, AGND for 5V fixed output, or external voltage divider for 0.6V to 55V adjustable with 0.6V regulation threshold."+      },+      {+        "number": "29",+        "name": "COMP1",+        "type": "output",+        "description": "Channel 1 transconductance error amplifier output for external loop compensation; gm = 1200μS in normal mode or gm = 60μS in ultra-low IQ mode."+      },+      {+        "number": "30",+        "name": "SS1",+        "type": "input",+        "description": "Channel 1 soft start programming pin; external capacitor and 20μA current source set soft start ramp duration; pulling below 150mV disables channel 1 gate drivers."+      },+      {+        "number": "31",+        "name": "EN1",+        "type": "input",+        "description": "Active-high enable input for channel 1; threshold >2V enables output, <0.4V disables output; can accept input voltage up to 70V; do not leave floating."+      },+      {+        "number": "32",+        "name": "RES",+        "type": "output",+        "description": "Restart timer pin for hiccup mode configuration; external capacitor sets hiccup protection delay time using 20μA charging current; pulled low when 512 consecutive cycle limit events detected."+      },+      {+        "number": "33",+        "name": "DEMB",+        "type": "input",+        "description": "Diode emulation/synchronization input pin; connect to AGND for DCM diode emulation mode, VDDA for FPWM mode, or apply external clock (up to 2.5MHz) for frequency synchronization."+      },+      {+        "number": "34",+        "name": "MODE",+        "type": "input",+        "description": "Mode selection pin; connect to AGND for dual output 1200μS transconductance operation, or 10kΩ resistor to AGND for ultra-low IQ 60μS operation."+      },+      {+        "number": "35",+        "name": "AGND",+        "type": "power_in",+        "description": "Analog ground connection for internal voltage reference and analog circuits; must establish single-point connection to system ground at exposed pad location."+      },+      {+        "number": "36",+        "name": "VDDA",+        "type": "power_out",+        "description": "Internal analog bias regulator output providing 4.75V to 5.25V; connect 470nF ceramic decoupling capacitor between VDDA and AGND for low-noise bias rail."+      },+      {+        "number": "37",+        "name": "RT",+        "type": "input",+        "description": "Frequency programming pin; external resistor to AGND sets oscillator frequency using equation fSW(MHz) = 22/RRT(kΩ) for range 100kHz to 2.2MHz."+      },+      {+        "number": "38",+        "name": "DITH",+        "type": "input",+        "description": "Dither control pin; external capacitor with 20μA charging current enables frequency dither modulation at ±5% around programmed frequency; connect to VDDA during power-up to disable dither."+      },+      {+        "number": "39",+        "name": "SYNCOUT",+        "type": "output",+        "description": "Synchronization output providing 90° phase-lagging logic-level signal relative to HO2; use for cascading multiple LM5143A-Q1 controllers or external phase distribution."+      },+      {+        "number": "40",+        "name": "EN2",+        "type": "input",+        "description": "Active-high enable input for channel 2; threshold >2V enables output, <0.4V disables output; can accept input voltage up to 70V; do not leave floating."+      },+      {+        "number": "41",+        "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-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: SW1 and SW2 are high-voltage switch nodes that conduct power and can swing significantly in voltage ; VCC pins 15 and 16 must be connected together on the PCB per datasheet requirement. Separation could; VOUT1 and VOUT2 are feedback sense inputs (not the actual regulator outputs); they monitor external ",+          "exposed pad 41 added from the footprint"+        ],+        "pages_sent": 33,+        "cost_usd": 0.3211,+        "at": "2026-10-05T21:06:00"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm5143a-q1",+        "pages": 73,+        "sha256": "2815ac02b2daae78",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 41,+        "described": 41,+        "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]"+  }+}\ No newline at end of file