component
FM4057S42
Public Made by Adomby adom
Shenzhen Fuman Battery Management, 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)
f638dba
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{
"schema": "adom.pads/1",
"slug": "fm4057s42",
"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": "CHRG",
"type": "output",
"description": "Charge-in-progress status output. Open-drain LED driver: sinks current (LED on) while charging is active, high-Z (LED off) when charging completes. Connect an external LED with series resistor to VIN.",
"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": "Device ground reference.",
"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": "BAT",
"type": "power_out",
"description": "Battery output terminal. Connects to the positive terminal of the single-cell Li-ion battery. Regulated to 4.2V for the '42' variant. Absolute max 6V; recommended 10 µF bulk cap to GND.",
"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": "VIN",
"type": "power_in",
"description": "Charger input supply. Recommended 4.2 V-6.5 V (typ 5V from AC adapter or USB); absolute maximum 32V. Input OVP trips at 6.5V for the standard FM4057; 1 µF decoupling to GND recommended.",
"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": "DONE",
"type": "output",
"description": "Charge-complete status output. Open-drain LED driver: high-Z (LED off) while charging, sinks current (LED on) once the battery is fully charged. Connect an external LED with series resistor to VIN.",
"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": "ISET",
"type": "input",
"description": "Charge-current programming pin. Connect a resistor from ISET to GND to set the constant-current charge level (up to 1A). Also participates in thermal regulation feedback.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}