component
LM53603AMPWPR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+54@@ -0,0 +1,54 @@+# LM53603AMPWPR++**Texas Instruments** · DC-DC Converters · HTSSOP-16-EP++LM53603AMPWPR from Texas Instruments, in a HTSSOP-16-EP. 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 | SW | output | Regulator switch node driven by internal high-side and low-side switches connected to power inductor; connect pins 1 and 2 directly together at the PCB. |+| 2 | SW | output | Regulator switch node driven by internal high-side and low-side switches connected to power inductor; connect pins 1 and 2 directly together at the PCB. |+| 3 | CBOOT | power_out | Bootstrap supply output for gate drivers with voltage rating -0.3 to 3.6 V; connect a 470-nF capacitor from this pin to SW. |+| 4 | VCC | power_out | Internal 3.15-V regulator output used as supply to internal control circuits with nominal voltage 3.15 V (VBIAS = 3.3 V); do not connect to external loads. |+| 5 | BIAS | power_in | Input to internal voltage regulator connected to output voltage point with voltage rating -0.3 to 16 V; do not ground. |+| 6 | SYNC | input | Synchronization input to regulator used to synchronize switching frequency to system clock with frequency range 1.9 to 2.3 MHz; connect to GND when not used. |+| 7 | FPWM | input | Mode control input to regulator with logic levels VIH ≥ 1.5 V for forced PWM mode and VIL ≤ 0.4 V for automatic PFM/PWM mode; do not float. |+| 8 | RESET | tri_state | Open-drain reset output indicating power OK (high) or fault (low) with upper threshold 105% to 110% and lower threshold 92% to 96.5% of nominal output voltage. |+| 9 | FB | input | Feedback input to regulator connected to output voltage sense point for fixed outputs or feedback divider tap point for adjustable option with bias current 10 nA; do not float or ground. |+| 10 | AGND | power_in | Analog ground for regulator and system with respect to which all electrical parameters are measured; connect to EP and PGND on PCB. |+| 11 | EN | input | Enable input to regulator (high = ON, low = OFF) with rising threshold 1.7 to 2 V and falling shutdown voltage 0.8 V; can be connected directly to VIN. |+| 12 | VIN | power_in | Input supply to regulator with recommended range 3.9 to 36 V and absolute maximum -0.3 to 40 V; connect pins 12 and 13 directly together at the PCB. |+| 13 | VIN | power_in | Input supply to regulator with recommended range 3.9 to 36 V and absolute maximum -0.3 to 40 V; connect pins 12 and 13 directly together at the PCB. |+| 14 | N/C | unconnected | No connection to device. |+| 15 | PGND | power_in | Power ground to internal low-side MOSFET connected to AGND and system ground; connect pins 15 and 16 directly together at the PCB. |+| 16 | PGND | power_in | Power ground to internal low-side MOSFET connected to AGND and system ground; connect pins 15 and 16 directly together at the PCB. |+| 17 | EP | power_in | Exposed die attach paddle connected to ground plane for adequate heat sinking and noise reduction. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-16-EP |+| Category | Power Supply Chip |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `LM53603AMPWPR`+- Footprint: `Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm`+- 3D model: HTSSOP-16-EP (KiCad packages3D, STEP)+- 3D model files: `lm53603ampwpr-etched.step` / `lm53603ampwpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm53603ampwpr.step` / `lm53603ampwpr.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/lm53602) (40 pp, sha256 `590d70f52aa0f37f`, 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 0.3`, 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/lm53603ampwpr-datasheet.pdf)
page.jsonadded+210@@ -0,0 +1,210 @@+{+ "slug": "lm53603ampwpr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "lm53603ampwpr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm53603ampwpr.kicad_sym",+ "lm53603ampwpr.kicad_mod",+ "lm53603ampwpr.glb",+ "lm53603ampwpr.step",+ "lm53603ampwpr.lbr",+ "docs/hero.png",+ "docs/lm53603ampwpr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM53603AMPWPR",+ "manufacturer": "Texas Instruments",+ "package": "HTSSOP-16-EP",+ "pin_count": 17,+ "category": "Power Supply Chip",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm53602",+ "parts": {+ "symbol": "lm53603ampwpr.kicad_sym",+ "footprint": "lm53603ampwpr.kicad_mod",+ "model_3d": "lm53603ampwpr-etched.glb",+ "model_3d_plain": "lm53603ampwpr.glb",+ "model_3d_step": "lm53603ampwpr-etched.step",+ "model_3d_step_plain": "lm53603ampwpr.step",+ "lbr": "lm53603ampwpr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2071524",+ "digikey": "296-48587-2-ND",+ "mouser": "595-LM53603AMPWPR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T00:39:31Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-48587-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-LM53603AMPWPR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SW",+ "type": "output",+ "description": "Regulator switch node driven by internal high-side and low-side switches connected to power inductor; connect pins 1 and 2 directly together at the PCB."+ },+ {+ "number": "2",+ "name": "SW",+ "type": "output",+ "description": "Regulator switch node driven by internal high-side and low-side switches connected to power inductor; connect pins 1 and 2 directly together at the PCB."+ },+ {+ "number": "3",+ "name": "CBOOT",+ "type": "power_out",+ "description": "Bootstrap supply output for gate drivers with voltage rating -0.3 to 3.6 V; connect a 470-nF capacitor from this pin to SW."+ },+ {+ "number": "4",+ "name": "VCC",+ "type": "power_out",+ "description": "Internal 3.15-V regulator output used as supply to internal control circuits with nominal voltage 3.15 V (VBIAS = 3.3 V); do not connect to external loads."+ },+ {+ "number": "5",+ "name": "BIAS",+ "type": "power_in",+ "description": "Input to internal voltage regulator connected to output voltage point with voltage rating -0.3 to 16 V; do not ground."+ },+ {+ "number": "6",+ "name": "SYNC",+ "type": "input",+ "description": "Synchronization input to regulator used to synchronize switching frequency to system clock with frequency range 1.9 to 2.3 MHz; connect to GND when not used."+ },+ {+ "number": "7",+ "name": "FPWM",+ "type": "input",+ "description": "Mode control input to regulator with logic levels VIH ≥ 1.5 V for forced PWM mode and VIL ≤ 0.4 V for automatic PFM/PWM mode; do not float."+ },+ {+ "number": "8",+ "name": "RESET",+ "type": "tri_state",+ "description": "Open-drain reset output indicating power OK (high) or fault (low) with upper threshold 105% to 110% and lower threshold 92% to 96.5% of nominal output voltage."+ },+ {+ "number": "9",+ "name": "FB",+ "type": "input",+ "description": "Feedback input to regulator connected to output voltage sense point for fixed outputs or feedback divider tap point for adjustable option with bias current 10 nA; do not float or ground."+ },+ {+ "number": "10",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground for regulator and system with respect to which all electrical parameters are measured; connect to EP and PGND on PCB."+ },+ {+ "number": "11",+ "name": "EN",+ "type": "input",+ "description": "Enable input to regulator (high = ON, low = OFF) with rising threshold 1.7 to 2 V and falling shutdown voltage 0.8 V; can be connected directly to VIN."+ },+ {+ "number": "12",+ "name": "VIN",+ "type": "power_in",+ "description": "Input supply to regulator with recommended range 3.9 to 36 V and absolute maximum -0.3 to 40 V; connect pins 12 and 13 directly together at the PCB."+ },+ {+ "number": "13",+ "name": "VIN",+ "type": "power_in",+ "description": "Input supply to regulator with recommended range 3.9 to 36 V and absolute maximum -0.3 to 40 V; connect pins 12 and 13 directly together at the PCB."+ },+ {+ "number": "14",+ "name": "N/C",+ "type": "unconnected",+ "description": "No connection to device."+ },+ {+ "number": "15",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground to internal low-side MOSFET connected to AGND and system ground; connect pins 15 and 16 directly together at the PCB."+ },+ {+ "number": "16",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground to internal low-side MOSFET connected to AGND and system ground; connect pins 15 and 16 directly together at the PCB."+ },+ {+ "number": "17",+ "name": "EP",+ "type": "power_in",+ "description": "Exposed die attach paddle connected to ground plane for adequate heat sinking and noise reduction."+ }+ ],+ "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": [],+ "pages_sent": 10,+ "cost_usd": 0.16,+ "at": "2026-10-01T00:39:15"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm53602",+ "pages": 40,+ "sha256": "590d70f52aa0f37f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "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]"+ }+}