component
PT4115B89E
Public Made by Adomby adom
PowTech CR PowTech Shanghai LED Drivers, SOT-89-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+8−5@@ -32,7 +32,7 @@ "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",@@ -44,19 +44,19 @@ "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": {@@ -120,5 +120,8 @@ "docs/pt4115b89e-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }