component
LM53602AMPWPR
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 @@+# LM53602AMPWPR++**Texas Instruments** · DC-DC Converters · HTSSOP-16-EP++LM53602AMPWPR 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 MOSFETs; connect to power inductor and directly to pin 2 at PCB. |+| 2 | SW | output | Regulator switch node driven by internal high-side and low-side MOSFETs; connect to power inductor and directly to pin 1 at PCB. |+| 3 | CBOOT | power_out | Bootstrap supply input for high-side gate drivers; connect 470-nF capacitor between this pin and SW node. |+| 4 | VCC | power_out | Internal 3.15-V regulated output for control circuits; bypass with 3.3-µF capacitor to GND; do not connect to external loads. |+| 5 | BIAS | input | Input to internal voltage regulator; connect to output voltage point with 0.1-µF bypass capacitor to GND; do not ground directly. |+| 6 | SYNC | input | Synchronization input for regulator switching frequency in range 1.9 to 2.3 MHz; connect to GND when unused; do not float. |+| 7 | FPWM | input | Mode control input for PWM/PFM operation; high forces PWM mode, low enables auto mode with transitions between PFM and PWM; do not float. |+| 8 | RESET | output | Open-drain reset output; high indicates power OK, low indicates fault or EN low; connect to external voltage supply through current-limiting resistor. |+| 9 | FB | input | Feedback input to output voltage regulator; connect to sense point for fixed options or divider tap for adjustable; nominal reference 1.0 V; do not float or ground. |+| 10 | AGND | power_in | Analog ground reference for regulator circuits; all electrical parameters measured with respect to this pin; connect to EP and PGND on PCB. |+| 11 | EN | input | Enable input to regulator; high enables operation, low disables; rising threshold 1.7 V, falling threshold 0.8 V; can connect directly to VIN; do not float. |+| 12 | VIN | power_in | Power supply input from 3.5 V to 36 V with transient capability to 42 V; bypass with high-quality capacitor to PGND; connect directly to pin 13 at PCB. |+| 13 | VIN | power_in | Power supply input from 3.5 V to 36 V with transient capability to 42 V; bypass with high-quality capacitor to PGND; connect directly to pin 12 at PCB. |+| 14 | N/C | unconnected | No connection to device. |+| 15 | PGND | power_in | Power ground to internal low-side MOSFET; connect to AGND and system ground; connect directly to pin 16 at PCB. |+| 16 | PGND | power_in | Power ground to internal low-side MOSFET; connect to AGND and system ground; connect directly to pin 15 at PCB. |+| 17 | EP | power_in | Exposed die attach paddle thermal pad; connect to ground plane for adequate heat sinking and EMI noise reduction. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-16-EP |+| Category | Power Supply Chip |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `LM53602AMPWPR`+- Footprint: `Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm`+- 3D model: HTSSOP-16-EP (KiCad packages3D, STEP)+- 3D model files: `lm53602ampwpr-etched.step` / `lm53602ampwpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm53602ampwpr.step` / `lm53602ampwpr.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 2026-10-07, 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/lm53602ampwpr-datasheet.pdf)
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connect to power inductor and directly to pin 2 at PCB."+ },+ {+ "number": "2",+ "name": "SW",+ "type": "output",+ "description": "Regulator switch node driven by internal high-side and low-side MOSFETs; connect to power inductor and directly to pin 1 at PCB."+ },+ {+ "number": "3",+ "name": "CBOOT",+ "type": "power_out",+ "description": "Bootstrap supply input for high-side gate drivers; connect 470-nF capacitor between this pin and SW node."+ },+ {+ "number": "4",+ "name": "VCC",+ "type": "power_out",+ "description": "Internal 3.15-V regulated output for control circuits; bypass with 3.3-µF capacitor to GND; do not connect to external loads."+ },+ {+ "number": "5",+ "name": "BIAS",+ "type": "input",+ "description": "Input to internal voltage regulator; connect to output voltage point with 0.1-µF bypass capacitor to GND; do not ground directly."+ },+ {+ "number": "6",+ "name": "SYNC",+ "type": "input",+ "description": "Synchronization input for regulator switching frequency in range 1.9 to 2.3 MHz; connect to GND when unused; do not float."+ },+ {+ "number": "7",+ "name": "FPWM",+ "type": "input",+ "description": "Mode control input for PWM/PFM operation; high forces PWM mode, low enables auto mode with transitions between PFM and PWM; do not float."+ },+ {+ "number": "8",+ "name": "RESET",+ "type": "output",+ "description": "Open-drain reset output; high indicates power OK, low indicates fault or EN low; connect to external voltage supply through current-limiting resistor."+ },+ {+ "number": "9",+ "name": "FB",+ "type": "input",+ "description": "Feedback input to output voltage regulator; connect to sense point for fixed options or divider tap for adjustable; nominal reference 1.0 V; do not float or ground."+ },+ {+ "number": "10",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground reference for regulator circuits; all electrical parameters measured with respect to this pin; connect to EP and PGND on PCB."+ },+ {+ "number": "11",+ "name": "EN",+ "type": "input",+ "description": "Enable input to regulator; high enables operation, low disables; rising threshold 1.7 V, falling threshold 0.8 V; can connect directly to VIN; do not float."+ },+ {+ "number": "12",+ "name": "VIN",+ "type": "power_in",+ "description": "Power supply input from 3.5 V to 36 V with transient capability to 42 V; bypass with high-quality capacitor to PGND; connect directly to pin 13 at PCB."+ },+ {+ "number": "13",+ "name": "VIN",+ "type": "power_in",+ "description": "Power supply input from 3.5 V to 36 V with transient capability to 42 V; bypass with high-quality capacitor to PGND; connect directly to pin 12 at 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; connect to AGND and system ground; connect directly to pin 16 at PCB."+ },+ {+ "number": "16",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground to internal low-side MOSFET; connect to AGND and system ground; connect directly to pin 15 at PCB."+ },+ {+ "number": "17",+ "name": "EP",+ "type": "power_in",+ "description": "Exposed die attach paddle thermal pad; connect to ground plane for adequate heat sinking and EMI 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": 0.1352,+ "at": "2026-10-07T09:07:13"+ },+ "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"+ },+ "models_3d": [+ {+ "file": "lm53602ampwpr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm53602ampwpr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "8d6d0ada73771a288a133454fd2cbbe559ab64a5fe19682e5c05451370f233fc",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}