component
BL9342
Public Made by Adomby adom
BL Shanghai Belling DC-DC Converters, 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)
3728e12
2mo ago
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{
"schema": "adom.pads/1",
"slug": "bl9342",
"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": "BST",
"type": "passive",
"description": "Bootstrap pin. Positive supply for the internal floating high-side MOSFET driver. Connect a bypass capacitor (typ. 100 nF) between BST and SW; capacitor is charged from an internal regulator to ~5 V.",
"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": "GND",
"type": "power_in",
"description": "Ground. Route as close as possible to the output capacitor return and away from high-current switching paths.",
"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": "FB",
"type": "input",
"description": "Feedback input to the internal error amplifier. An external resistor divider from VOUT to GND sets the regulated output voltage, compared against the internal 0.794 V (typ. 0.8 V) reference. Recommended R1 ≈ 124 kΩ for optimal loop response.",
"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": "EN",
"type": "input",
"description": "Enable input, active high. VIH ≥ 1.6 V (typ. 2.0 V) turns the chip on; pulling below the threshold shuts it down. Hysteresis 0.6 V. Internally pulled to GND so floating EN disables the part; do not leave floating in operation.",
"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": "VIN",
"type": "power_in",
"description": "Power supply input, 4.2 V to 40 V (absolute max 43 V). Supplies all internal control circuitry and the integrated high-side power MOSFET. Decouple to GND with a low-ESR capacitor (e.g. 4.7 µF/50 V) placed close to the pin to minimise switching spikes.",
"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": "SW",
"type": "output",
"description": "Switch node output from the internal high-side power MOSFET (RDS(on) ≈ 500 mΩ). Connect the inductor here and place a low-VF Schottky freewheeling diode from SW to GND close to the pin. Rated up to VIN (max 40 V).",
"is_pin1": false,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}