component
SG3525AN
Public Made by Adomby adom
STMicroelectronics AC-DC Controllers and Regulators, DIP-16. 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 (fab-chamfer, synthesised, bottom-right)
ecdc75f
1mo ago
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{
"schema": "adom.pads/1",
"slug": "sg3525an",
"footprint": "DIP-16_W7.62mm",
"generated_from": {
"footprint": "DIP-16_W7.62mm@sha256:d9f5f5a3dbebef05",
"pins": "page.json:component.pins",
"overrides": null
},
"pin1": {
"pad": "1",
"at": [
0.0,
0.0
],
"corner": "bottom-right",
"source": "fab-chamfer",
"derived_from": "DIP-16_W7.62mm@sha256:d9f5f5a3dbebef05"
},
"pad_count": 16,
"symbol_pins": [
"1",
"10",
"11",
"12",
"13",
"14",
"15",
"16",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9"
],
"paste_apertures": 0,
"issues": [],
"pads": [
{
"pad": "1",
"kind": "thru_hole",
"shape": "roundrect",
"at": [
0.0,
0.0
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "1",
"name": "INV_INPUT",
"type": "input",
"description": "Inverting input of the error amplifier. Common-mode range includes the 5.1 V reference so external divider resistors are typically not required.",
"is_pin1": true,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "2",
"kind": "thru_hole",
"shape": "circle",
"at": [
0.0,
2.54
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "2",
"name": "NI_INPUT",
"type": "input",
"description": "Non-inverting input of the error amplifier. Typically tied to VREF (pin 16) via a divider for regulation feedback.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "3",
"kind": "thru_hole",
"shape": "circle",
"at": [
0.0,
5.08
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "3",
"name": "SYNC",
"type": "bidirectional",
"description": "Oscillator sync terminal. Allows multiple units to be slaved together, or a single unit synchronized to an external system clock. Sync threshold ~2 V, sync input current ~1 mA at 3.5 V.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "4",
"kind": "thru_hole",
"shape": "circle",
"at": [
0.0,
7.62
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "4",
"name": "OSC_OUTPUT",
"type": "output",
"description": "Oscillator clock output. Provides the internal clock waveform (typ. 3.5 V amplitude, 0.5 µs width) for external synchronization or diagnostics.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "5",
"kind": "thru_hole",
"shape": "circle",
"at": [
0.0,
10.16
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "5",
"name": "CT",
"type": "passive",
"description": "Oscillator timing capacitor terminal. Connect timing capacitor CT (0.001 µF to 0.1 µF) from this pin to ground to set the oscillator frequency (100 Hz-400 kHz).",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "6",
"kind": "thru_hole",
"shape": "circle",
"at": [
0.0,
12.7
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "6",
"name": "RT",
"type": "passive",
"description": "Oscillator timing resistor terminal. Connect RT (2 kΩ to 150 kΩ) from this pin to ground. Together with CT and RD sets fosc ≈ 1 / (CT·(0.7·RT + 3·RD)).",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "7",
"kind": "thru_hole",
"shape": "circle",
"at": [
0.0,
15.24
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "7",
"name": "DISCHARGE",
"type": "passive",
"description": "Discharge terminal. A resistor (0 to 500 Ω) placed between CT (pin 5) and DISCHARGE sets the dead-time (blanking) between outputs A and B.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "8",
"kind": "thru_hole",
"shape": "circle",
"at": [
0.0,
17.78
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "8",
"name": "SOFT_START",
"type": "passive",
"description": "Soft-start capacitor terminal. An external capacitor to ground is charged by an internal ~50 µA current source to gradually increase duty cycle at startup.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "9",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
17.78
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "9",
"name": "COMP",
"type": "output",
"description": "Error amplifier output / PWM comparator input. Compensation node; connect loop compensation network here. Output swing typ. 0.2-5.6 V.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "10",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
15.24
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "10",
"name": "SHUTDOWN",
"type": "input",
"description": "Pulse-by-pulse shutdown input. Controls both the soft-start circuit and the output stages; drives outputs off via the PWM latch. Threshold ~0.8 V (referenced to VSS=5.1 V), typ. 0.5 µs shutdown delay.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "11",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
12.7
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "11",
"name": "OUTPUT_A",
"type": "output",
"description": "PWM output A, totem-pole source/sink driver. Alternates with OUTPUT B at half the oscillator frequency. Source/sink capability >200 mA (peak 400 mA); LOW output in OFF state (NOR-logic output stage).",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "12",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
10.16
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "12",
"name": "GROUND",
"type": "power_in",
"description": "Signal and power ground return for the device.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "13",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
7.62
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "13",
"name": "VC",
"type": "power_in",
"description": "Collector supply voltage for the output driver totem-poles. Range 4.5 V to 35 V (independent of VI); allows separate biasing of the output stage.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "14",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
5.08
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "14",
"name": "OUTPUT_B",
"type": "output",
"description": "PWM output B, totem-pole source/sink driver. Complementary to OUTPUT A (alternating pulses). Source/sink capability >200 mA (peak 400 mA); LOW in OFF state.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "15",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
2.54
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "15",
"name": "VI",
"type": "power_in",
"description": "Main input supply voltage (+VI). Operating range 8 V to 35 V. Undervoltage lockout keeps outputs off below ~7 V with ~500 mV hysteresis.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "16",
"kind": "thru_hole",
"shape": "circle",
"at": [
7.62,
0.0
],
"rot": 0.0,
"size": [
1.6,
1.6
],
"layers": [],
"thermal": false,
"pin": "16",
"name": "VREF",
"type": "power_out",
"description": "Internal 5.1 V precision reference output (trimmed to ±1 %). Short-circuit current ~80 mA; load current up to 20 mA. Bypass with 0.1 µF to ground.",
"is_pin1": false,
"source": {
"geometry": "DIP-16_W7.62mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}