component
SG2525AP013TR
Public Made by Adomby adom
STMicroelectronics DC-DC Converters, 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)
e0d2c62
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{
"schema": "adom.pads/1",
"slug": "sg2525ap013tr",
"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 error amplifier. Common-mode input range includes the +5.1 V reference so external divider resistors are not required when regulating to VREF.",
"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 error amplifier. Typical input bias current 1 µA, input offset voltage 0.5 mV.",
"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 synchronization terminal. Allows multiple SG2525A units to be slaved together or the device to be synchronized to an external clock. Sync threshold ~2 V, sync input current ~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": "Oscillator clock output. Provides the internal oscillator clock signal (blanking/clock pulse) for external use or synchronization of additional 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 connection. External CT to ground (0.001 µF to 0.1 µF) sets the oscillator frequency together with RT 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": "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 connection. External RT to ground (2 kΩ to 150 kΩ) sets the CT charging current, defining the oscillator frequency (100 Hz to 400 kHz range).",
"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": "Deadtime / discharge resistor terminal. A resistor RD (0 to 500 Ω) between CT (pin 5) and DISCHARGE sets the CT discharge time, providing adjustable deadtime 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. Internally source-pulled (~50 µA typical) to charge an external capacitor and ramp the PWM duty cycle from zero on start-up; also discharged during shutdown.",
"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 compensation node. Connect frequency compensation network here; also serves as an alternate shutdown pull-down (pulling to ground turns off the 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": "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": "PWM shutdown input. A positive signal (threshold 0.6-1 V, typical 0.8 V) immediately terminates PWM output via the latch and begins discharging the soft-start capacitor (150 µA sink). Should not be left floating; tie low if unused.",
"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 output A. Alternates with OUTPUT B at half the oscillator frequency. Capable of sourcing/sinking >200 mA (peak 400 mA), rise/fall times ~100/50 ns into 1 nF. VOH = VC − 1 V typ at 100 mA source.",
"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 / power ground reference for all internal circuitry and output stages.",
"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 supply for the totem-pole output driver stages. Separate from VI to allow the output drivers to be powered from a different rail (4.5 V to 35 V; absolute max 40 V). Bypass with 0.1 µF close to the pin.",
"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 output B. Complementary alternating output to OUTPUT A (each at half the oscillator frequency). Capable of sourcing/sinking >200 mA (peak 400 mA); rise/fall ~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": "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 input (8 V to 35 V operation, absolute max 40 V). Powers the reference, oscillator, error amplifier and control logic. Typical supply current 14 mA. UVLO releases the outputs at 7 V typical.",
"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": "Internal 5.1 V reference output (trimmed to ±1 %). Short-circuit limited to ~80 mA typical; load current 0 to 20 mA. Bypass with 0.1 µF to ground close to the pin.",
"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"
}
}
]
}