PT4115B89E

@@ -36,6 +36,20 @@ PT4115B89E from PowTech CR PowTech Shanghai, in a SOT-89-5. Pinout and pin descr - Footprint: `Package_TO_SOT_SMD:SOT-89-5` - 3D model: SOT-89-5 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`pt4115b89e.step`](pt4115b89e.step) | 86 KB | You want the bare part, or you mark your own boards. |+| [`pt4115b89e-etched.step`](pt4115b89e-etched.step) | 1.6 MB | You want the part with `PT4115B89E` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 415 faces against 26 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance  Data extracted from the manufacturer datasheet, not a distributor listing:

@@ -1,6 +1,6 @@ {   "slug": "pt4115b89e",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "PowTech CR PowTech Shanghai LED Drivers, SOT-89-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "pt4115b89e",   "title": "PT4115B89E",   "brief": "PowTech CR PowTech Shanghai LED Drivers, SOT-89-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -34,7 +34,7 @@         "number": "1",         "name": "SW",         "type": "output",-        "description": "Switch output. Drain of the internal high-side N-channel MOSFET switch (Rds(on) ~0.4-0.6 \u03a9, Isw <=1.2 A continuous, absolute max 1.5 A, -0.3 to 45 V). Connects to the inductor (and the freewheel diode cathode) in the buck power stage."+        "description": "Switch output. Drain of the internal high-side N-channel MOSFET switch (Rds(on) ~0.4-0.6 Ω, Isw <=1.2 A continuous, absolute max 1.5 A, -0.3 to 45 V). Connects to the inductor (and the freewheel diode cathode) in the buck power stage."       },       {         "number": "2",@@ -46,19 +46,19 @@         "number": "3",         "name": "DIM",         "type": "input",-        "description": "Logic-level dimming / enable input. Drive below 0.3 V to disable the current regulator (shutdown, Iq ~95 \u00b5A); drive >=2.5 V to enable full LED current. Accepts a DC voltage from 0.5-2.5 V for linear brightness control, or a PWM signal from 100 Hz up to 20 kHz for duty-cycle dimming (5000:1 range). Internally pulled to a 5 V rail via a ~200 k\u03a9 resistor, so the pin may be left floating for always-on operation. Absolute max -0.3 to 6 V."+        "description": "Logic-level dimming / enable input. Drive below 0.3 V to disable the current regulator (shutdown, Iq ~95 µA); drive >=2.5 V to enable full LED current. Accepts a DC voltage from 0.5-2.5 V for linear brightness control, or a PWM signal from 100 Hz up to 20 kHz for duty-cycle dimming (5000:1 range). Internally pulled to a 5 V rail via a ~200 kΩ resistor, so the pin may be left floating for always-on operation. Absolute max -0.3 to 6 V."       },       {         "number": "4",         "name": "CSN",         "type": "input",-        "description": "High-side current-sense input. Connects to the low side of the external sense resistor Rs (which sits between VIN and CSN). The internal comparator regulates the average voltage (VIN - VCSN) to ~100 mV (98 mV A-type / 102 mV B-type), giving ILED_avg \u2248 0.1 V / Rs. Input current ~8 \u00b5A; absolute max +0.3 V to -6.0 V with respect to VIN."+        "description": "High-side current-sense input. Connects to the low side of the external sense resistor Rs (which sits between VIN and CSN). The internal comparator regulates the average voltage (VIN - VCSN) to ~100 mV (98 mV A-type / 102 mV B-type), giving ILED_avg ≈ 0.1 V / Rs. Input current ~8 µA; absolute max +0.3 V to -6.0 V with respect to VIN."       },       {         "number": "5",         "name": "VIN",         "type": "power_in",-        "description": "Input supply pin. Operating range 6 V to 30 V (absolute max -0.3 to 45 V); UVLO ~5.1 V with ~500 mV hysteresis. Must be locally bypassed (typ. 100 \u00b5F ceramic/electrolytic to GND close to the pin). Also serves as the high-side reference for the current-sense comparator."+        "description": "Input supply pin. Operating range 6 V to 30 V (absolute max -0.3 to 45 V); UVLO ~5.1 V with ~500 mV hysteresis. Must be locally bypassed (typ. 100 µF ceramic/electrolytic to GND close to the pin). Also serves as the high-side reference for the current-sense comparator."       }     ],     "provenance": {@@ -132,6 +132,9 @@     "docs/hero.png",     "docs/pt4115b89e-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"-  ]+    "viewers/footprint.html",+    "pads.json"+  ],+  "description": "PowTech CR PowTech Shanghai LED Drivers, SOT-89-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "visibility": "public" }\ No newline at end of file