component
OC5021B
Public Made by Adomby adom
OCX LED Drivers, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
d0d3c6a
1mo ago
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{
"schema": "adom.pads/1",
"slug": "oc5021b",
"footprint": "SOT-23-6",
"generated_from": {
"footprint": "SOT-23-6@sha256:f341c73aac9dcb55",
"pins": "page.json:component.pins",
"overrides": null
},
"pin1": {
"pad": "1",
"at": [
-1.1375,
-0.95
],
"corner": "top-left",
"source": "silk-marker",
"derived_from": "SOT-23-6@sha256:f341c73aac9dcb55"
},
"pad_count": 6,
"symbol_pins": [
"1",
"2",
"3",
"4",
"5",
"6"
],
"paste_apertures": 0,
"issues": [],
"pads": [
{
"pad": "1",
"kind": "smd",
"shape": "roundrect",
"at": [
-1.1375,
-0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "1",
"name": "DRV",
"type": "output",
"description": "Gate drive output for the external N-channel MOSFET switch. Typical drive voltage ~5.5V (clamped by internal VDD regulator). Rise/fall times ~50ns into 500pF; minimum on-time 250ns.",
"is_pin1": true,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "2",
"kind": "smd",
"shape": "roundrect",
"at": [
-1.1375,
0.0
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "2",
"name": "VSS",
"type": "power_in",
"description": "Device ground reference. Also the low side of the CS current sense; the trace from RCS to VSS and CS should be kept short and thick to minimize parasitic resistance.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "3",
"kind": "smd",
"shape": "roundrect",
"at": [
-1.1375,
0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "3",
"name": "DIM",
"type": "input",
"description": "Dimming input, supports both PWM and linear dimming. DIM tied to GND shuts off the LED output; DIM > 3.1V gives 100% output current; linear dimming range is 1.1V-3.1V (shutdown threshold ~0.9V). Must not be left floating; tie high if unused. For linear dimming, add a small capacitor (>=10nF) to ground.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "4",
"kind": "smd",
"shape": "roundrect",
"at": [
1.1375,
0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "4",
"name": "VDD",
"type": "power_in",
"description": "Chip supply pin, fed from VIN through an external series resistor RVDD. Internally clamped to ~5.5V by an integrated shunt regulator (max clamp current 10mA). UVLO ~2.6V rising with ~0.4V hysteresis; typical operating current 1.3mA at 200kHz.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "5",
"kind": "smd",
"shape": "roundrect",
"at": [
1.1375,
0.0
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "5",
"name": "TOFF",
"type": "input",
"description": "Off-time setting pin. External capacitor COFF to ground sets fixed off-time per TOFF = 0.51 * 150k * (COFF + 8pF) + 61ns. With no external cap, internal off-time defaults to 650ns.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "6",
"kind": "smd",
"shape": "roundrect",
"at": [
1.1375,
-0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "6",
"name": "CS",
"type": "input",
"description": "Inductor peak current sense input, connects to the top of the external current-sense resistor RCS. Peak-current comparator threshold VCS_TH = 245/255/265 mV (min/typ/max). When VCS reaches threshold, DRV turns off the external MOSFET.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}