component
CM2056-B5S
Public Made by Adomby adom
iCM(创芯微) , SSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "cm2056-b5s",
"version": "0.1.0",
"type": "component",
"description": "iCM(创芯微) , SSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"ic",
"cm2056-b5s",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"cm2056-b5s.kicad_sym",
"cm2056-b5s.kicad_mod",
"cm2056-b5s.glb",
"cm2056-b5s.step",
"cm2056-b5s.lbr",
"docs/hero.png",
"docs/cm2056-b5s-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cm2056-b5s-hero.glb",
"cm2056-b5s-hero.overlay.json",
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"component": {
"mpn": "CM2056-B5S",
"manufacturer": "iCM(创芯微)",
"package": "SSOP-24",
"pin_count": 24,
"category": "IC",
"subcategory": "IC",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349798729113600",
"parts": {
"symbol": "cm2056-b5s.kicad_sym",
"footprint": "cm2056-b5s.kicad_mod",
"model_3d": "cm2056-b5s-hero.glb",
"model_3d_plain": "cm2056-b5s-etched.glb",
"model_3d_step": "cm2056-b5s-etched.step",
"model_3d_step_plain": "cm2056-b5s.step",
"lbr": "cm2056-b5s.lbr"
},
"distributor_links": {
"lcsc": "C22446502"
},
"distributor_check": {
"checked_at": "2026-10-19T05:48:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VROUT",
"type": "power_out",
"description": "Internal LDO output that powers the AFE and provides the external ADC reference voltage; maximum output current is 3 mA."
},
{
"number": "2",
"name": "ALT",
"type": "output",
"description": "Alarm interrupt output to the MCU that is high by default and goes low on an alarm until register 08H is cleared."
},
{
"number": "3",
"name": "VCELL",
"type": "output",
"description": "Analog output of the selected cell voltage, scaled by 0.6 so that cell voltage = VCELL/0.6, with measurement accuracy of ±15 mV."
},
{
"number": "4",
"name": "VIOUT",
"type": "output",
"description": "Analog output of the battery current sample, 2.5 V at zero load; above 2.5 V indicates charging and below 2.5 V indicates discharging."
},
{
"number": "5",
"name": "CO",
"type": "output",
"description": "Charge MOSFET drive output controlled via CTLC, with high level 8-12 V when VCC > 12 V."
},
{
"number": "6",
"name": "SDA",
"type": "bidirectional",
"description": "I2C data line to the MCU, supporting clock rates up to 400 kHz."
},
{
"number": "7",
"name": "SCL",
"type": "input",
"description": "I2C clock line from the MCU, supporting clock rates up to 400 kHz."
},
{
"number": "8",
"name": "CTLC",
"type": "input",
"description": "MCU control input that switches the CO output path on or off."
},
{
"number": "9",
"name": "CTLD",
"type": "input",
"description": "MCU control input that switches the DO output path on or off."
},
{
"number": "10",
"name": "RST",
"type": "input",
"description": "Reset input; a high level longer than 100 µs resets the AFE."
},
{
"number": "11",
"name": "NC",
"type": "unconnected",
"description": "Not connected (floating) inside the package."
},
{
"number": "12",
"name": "DO",
"type": "output",
"description": "Discharge MOSFET drive output controlled via CTLD, with low output level of 0.5 V maximum."
},
{
"number": "13",
"name": "SRP",
"type": "input",
"description": "Positive current-sense input, connected across the main-circuit sense resistor Rsense."
},
{
"number": "14",
"name": "SRN",
"type": "input",
"description": "Negative current-sense input, connected across the main-circuit sense resistor Rsense."
},
{
"number": "15",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "16",
"name": "VC1",
"type": "power_in",
"description": "Positive input of cell 1 and negative input of cell 2 for cell voltage sensing."
},
{
"number": "17",
"name": "VC2",
"type": "power_in",
"description": "Positive input of cell 2 and negative input of cell 3 for cell voltage sensing."
},
{
"number": "18",
"name": "VC3",
"type": "power_in",
"description": "Positive input of cell 3 and negative input of cell 4 for cell voltage sensing."
},
{
"number": "19",
"name": "VC4",
"type": "power_in",
"description": "Positive input of cell 4 and negative input of cell 5 for cell voltage sensing."
},
{
"number": "20",
"name": "VC5",
"type": "power_in",
"description": "Positive input of cell 5 for cell voltage sensing; absolute maximum VC pin-to-ground voltage is VSS+40 V."
},
{
"number": "21",
"name": "NC",
"type": "unconnected",
"description": "Not connected (floating) inside the package."
},
{
"number": "22",
"name": "NC",
"type": "unconnected",
"description": "Not connected (floating) inside the package."
},
{
"number": "23",
"name": "NC",
"type": "unconnected",
"description": "Not connected (floating) inside the package."
},
{
"number": "24",
"name": "VCC",
"type": "power_in",
"description": "Power supply input; normal operating voltage is 6-40 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pinout figure and Table 1 are under the CM2056-B3S header (3.3 V LDO variant). The product list ; The pin figure text is garbled. Pin numbers and names were taken from Table 1 (pin list), which is c; The datasheet does not give KiCad ERC types. Types for ALT, VROUT, VCELL, VIOUT, CO, DO, SCL, CTLC, ",
"4/24 pins cited to the wrong page (name found elsewhere): ['7:SCL@p9', '13:SRP@p8', '14:SRN@p8', '24:VCC@p6']"
],
"pages_sent": 21,
"cost_usd": 0.0743,
"at": "2026-10-19T05:48:29"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349798729113600",
"pages": 21,
"sha256": "2f74953c09882f29",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
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"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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8.2,
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],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "77dd0a1fc7e70e9eda1bfde9dde937dc6e391803cff9978790523c850c85a21d",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cm2056-b5s-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
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}
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}
}