component
SG3525AP013TR
Public Made by Adomby adom
STMicroelectronics AC-DC Controllers and Regulators, SOIC-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 (silk-marker, drawn, top-left)
363ac7a
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{
"schema": "adom.pads/1",
"slug": "sg3525ap013tr",
"footprint": "SOIC-16_3.9x9.9mm_P1.27mm",
"generated_from": {
"footprint": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
"pins": "page.json:component.pins",
"overrides": null
},
"pin1": {
"pad": "1",
"at": [
-2.475,
-4.445
],
"corner": "top-left",
"source": "silk-marker",
"derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c"
},
"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": "smd",
"shape": "roundrect",
"at": [
-2.475,
-4.445
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "1",
"name": "INV. INPUT",
"type": "input",
"description": "Inverting input of the internal error amplifier. Common-mode input range includes the 5.1 V reference so external divider resistors are not required. Vos typ 0.5 mV, Ib typ 1 µA.",
"is_pin1": true,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "2",
"kind": "smd",
"shape": "roundrect",
"at": [
-2.475,
-3.175
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "2",
"name": "N.I. INPUT",
"type": "input",
"description": "Non-inverting input of the internal error amplifier. Typically tied to the VREF (pin 16) divider providing the regulation setpoint. CMR typ 75 dB.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "3",
"kind": "smd",
"shape": "roundrect",
"at": [
-2.475,
-1.905
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "3",
"name": "SYNC",
"type": "bidirectional",
"description": "Oscillator sync terminal. Bidirectional: allows multiple SG3525A units to be slaved together or the device to be synchronized to an external system clock. Sync threshold typ 2 V, sync input current typ 1 mA at 3.5 V.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "4",
"kind": "smd",
"shape": "roundrect",
"at": [
-2.475,
-0.635
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "4",
"name": "OSC. OUTPUT",
"type": "output",
"description": "Buffered oscillator clock output. Provides a system clock signal (amplitude typ 3.5 V) that can drive external logic or additional SG3525A devices.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "5",
"kind": "smd",
"shape": "roundrect",
"at": [
-2.475,
0.635
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "5",
"name": "CT",
"type": "passive",
"description": "Oscillator timing capacitor terminal. Connect timing capacitor (0.001 µF to 0.1 µF) from CT to ground. With RT sets the oscillator frequency (100 Hz-400 kHz operating range). Charge current limit 5 mA.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "6",
"kind": "smd",
"shape": "roundrect",
"at": [
-2.475,
1.905
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "6",
"name": "RT",
"type": "passive",
"description": "Oscillator timing resistor terminal. Connect timing resistor (2 kΩ to 150 kΩ) from RT to ground. Together with CT sets the oscillator frequency per f ≈ 1/(CT(0.7·RT + 3·RD)).",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "7",
"kind": "smd",
"shape": "roundrect",
"at": [
-2.475,
3.175
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "7",
"name": "DISCHARGE",
"type": "passive",
"description": "Dead-time / discharge terminal. A resistor (RD, 0-500 Ω) placed between RT (pin 6) and DISCHARGE (pin 7) sets the timing-capacitor discharge current, giving programmable dead-time between the two outputs.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "8",
"kind": "smd",
"shape": "roundrect",
"at": [
-2.475,
4.445
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "8",
"name": "SOFT-START",
"type": "passive",
"description": "Soft-start capacitor terminal. An internal ~50 µA current source charges the external capacitor to progressively enable the PWM after start-up. Also discharged during shutdown for soft recycle.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "9",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
4.445
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "9",
"name": "COMP",
"type": "output",
"description": "Error-amplifier output / PWM comparator input (compensation node). Frequency-compensation network is tied here. Output high ≥3.8 V, output low ≤0.5 V; DC open-loop gain typ 75 dB.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "10",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
3.175
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "10",
"name": "SHUTDOWN",
"type": "input",
"description": "Pulse-by-pulse shutdown input. Threshold typ 0.8 V (0.6-1.0 V). When asserted (>threshold, VSS = 2.5 V typical drive) the PWM latch immediately turns both outputs off and discharges the soft-start capacitor. Shutdown delay typ 0.2 µs.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "11",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
1.905
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "11",
"name": "OUTPUT A",
"type": "output",
"description": "Totem-pole PWM driver output A. Alternates with OUTPUT B at half the oscillator frequency. Capable of sourcing/sinking >200 mA (400 mA peak). Rise/fall typ 100/50 ns into 1 nF.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "12",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
0.635
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "12",
"name": "GROUND",
"type": "power_in",
"description": "Signal and power ground reference for all internal circuitry.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "13",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
-0.635
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "13",
"name": "VC",
"type": "power_in",
"description": "Collector (driver) supply for the totem-pole output stages. Operating range 4.5 V to 35 V (absolute max 40 V). Bypass locally with a low-ESR capacitor.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "14",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
-1.905
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "14",
"name": "OUTPUT B",
"type": "output",
"description": "Totem-pole PWM driver output B, complementary to OUTPUT A with programmable dead-time between them. Source/sink capability >200 mA (400 mA peak).",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "15",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
-3.175
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "15",
"name": "+VI",
"type": "power_in",
"description": "Main IC supply voltage. Operating range 8 V to 35 V (absolute max 40 V). Undervoltage lockout keeps outputs off until Vcomp and Vss thresholds (6-8 V, typ 7 V) are exceeded, with ~500 mV hysteresis. Standby current typ 14 mA.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "16",
"kind": "smd",
"shape": "roundrect",
"at": [
2.475,
-4.445
],
"rot": 0.0,
"size": [
1.95,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "16",
"name": "VREF",
"type": "power_out",
"description": "Trimmed 5.1 V ±1 % reference output (5.05-5.15 V at Tj=25 °C for SG2525A; 5.0-5.2 V for SG3525A). Short-circuit current typ 80 mA; load capability up to 20 mA. Bypass with 0.1 µF to ground.",
"is_pin1": false,
"source": {
"geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}