component
ME4057ASPG
Public Made by Adomby adom
MICRONE Battery Management, SOIC-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
add symbol pin "9" for the exposed thermal pad: the footprint carries the pad and the symbol had none, so it reached no…
4c664fe
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302
{
"schema": "adom.pads/1",
"slug": "me4057aspg",
"footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm",
"generated_from": {
"footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm@sha256:a7971720bdda0353",
"pins": "page.json:component.pins",
"overrides": null
},
"pin1": {
"pad": "1",
"at": [
-2.475,
-1.905
],
"corner": "top-left",
"source": "silk-marker",
"derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm@sha256:a7971720bdda0353"
},
"pad_count": 9,
"symbol_pins": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9"
],
"paste_apertures": 4,
"issues": [],
"pads": [
{
"pad": "1",
"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": "1",
"name": "TEMP",
"type": "input",
"description": "Battery temperature sense input. Connect to the wiper of a divider formed with the pack NTC thermistor. Charging is suspended when V_TEMP falls below ~45% V_CC or rises above ~80% V_CC. Tie to GND to disable the temperature-sense function.",
"is_pin1": true,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "2",
"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": "2",
"name": "PROG",
"type": "bidirectional",
"description": "Charge-current program and monitor pin. A resistor R_PROG from PROG to GND sets the fast-charge current per I_BAT = (V_PROG/R_PROG)*1100 (V_PROG ≈ 1 V in constant-current mode, 0.1 V in precharge). The pin voltage may also be measured to monitor instantaneous charge current.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "3",
"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": "3",
"name": "GND",
"type": "power_in",
"description": "Device ground return. Connect to the system ground plane; the ESOP exposed pad should also be soldered to this ground for thermal dissipation.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "4",
"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": "4",
"name": "VCC",
"type": "power_in",
"description": "Positive input supply (4.7 V - 6.5 V typical, 5 V nominal) from a USB port or wall adapter. When VCC drops within ~80 mV of V_BAT the device enters low-power sleep, dropping I_BAT to <2 µA. Bypass locally with a ceramic capacitor.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "5",
"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": "5",
"name": "BAT",
"type": "power_out",
"description": "Battery connection pin. Sources the regulated charge current from the internal PMOS power FET (R_ON ≈ 650 mΩ) up to 1 A, and regulates to 4.2 V float voltage on the 'A' variant. Drain from the battery is <2 µA in disable/sleep modes.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "6",
"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": "6",
"name": "STDBY",
"type": "output",
"description": "Open-drain charge-terminated status output (active-low, overlined /STDBY). Pulled low when charging has terminated (battery full); otherwise high impedance. Typically drives a green LED to VCC through a current-limit resistor.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "7",
"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": "7",
"name": "CHRG",
"type": "output",
"description": "Open-drain charge-in-progress status output (active-low, overlined /CHRG). Pulled low while the battery is charging; goes to high impedance when charging terminates or the battery is out of temperature range. Typically drives a red LED to VCC.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "8",
"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": "8",
"name": "CE",
"type": "input",
"description": "Chip-enable input, TTL/CMOS compatible. Drive high (or leave floating pulled up) to place the device in normal operating mode; drive low to force the ME4057 into disable (shutdown) mode.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "9",
"kind": "smd",
"shape": "rect",
"at": [
0.0,
0.0
],
"rot": 0.0,
"size": [
2.29,
3.0
],
"layers": [],
"thermal": true,
"pin": "9",
"name": "EXPOSED PAD",
"type": "power_in",
"description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
"is_pin1": false,
"source": {
"geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}