component
CM1048-ET
Public Made by Adomby adom
iCM(创芯微) Battery Management, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240
{
"slug": "cm1048-et",
"version": "0.1.0",
"type": "component",
"description": "iCM(创芯微) Battery Management, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"cm1048-et",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cm1048-et.kicad_sym",
"cm1048-et.kicad_mod",
"cm1048-et.glb",
"cm1048-et.step",
"cm1048-et.lbr",
"docs/hero.png",
"docs/cm1048-et-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cm1048-et-hero.glb",
"cm1048-et-hero.overlay.json",
"cm1048-et-etched.glb"
],
"component": {
"mpn": "CM1048-ET",
"manufacturer": "iCM(创芯微)",
"package": "TSSOP-16",
"pin_count": 16,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349402606190592",
"parts": {
"symbol": "cm1048-et.kicad_sym",
"footprint": "cm1048-et.kicad_mod",
"model_3d": "cm1048-et-hero.glb",
"model_3d_plain": "cm1048-et-etched.glb",
"model_3d_step": "cm1048-et-etched.step",
"model_3d_step_plain": "cm1048-et.step",
"lbr": "cm1048-et.lbr"
},
"distributor_links": {
"lcsc": "C22446448"
},
"distributor_check": {
"checked_at": "2026-10-17T14:55:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VCC",
"type": "power_in",
"description": "Positive power supply input and positive voltage connection for battery 4; absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "2",
"name": "VC4",
"type": "power_in",
"description": "Positive voltage connection for battery 4; cell input absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "3",
"name": "VC4",
"type": "power_in",
"description": "Positive voltage connection for battery 4 (second VC4 pin on the package); cell input absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "4",
"name": "VC3",
"type": "power_in",
"description": "Connection for the negative terminal of battery 4 and the positive terminal of battery 3; cell input absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "5",
"name": "VC2",
"type": "power_in",
"description": "Connection for the negative terminal of battery 3 and the positive terminal of battery 2; cell input absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "6",
"name": "VC1",
"type": "power_in",
"description": "Connection for the negative terminal of battery 2 and the positive terminal of battery 1; cell input absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "7",
"name": "VSS",
"type": "power_in",
"description": "IC ground and negative terminal connection of battery 1; the reference for all voltage ratings in the datasheet."
},
{
"number": "8",
"name": "SEL",
"type": "input",
"description": "Series-count select terminal for 3-series or 4-series operation; absolute maximum rating is VSS-0.3 V to VSS+5.0 V."
},
{
"number": "9",
"name": "TEC",
"type": "passive",
"description": "Discharge overcurrent delay adjustment terminal where external capacitor CTEC sets TEC1 = 10×CTEC (nF) ms; absolute maximum rating is VSS-0.3 V to VSS+5.0 V."
},
{
"number": "10",
"name": "CLR",
"type": "passive",
"description": "Connects a resistor to the NTC to set the charge low-temperature protection point; absolute maximum rating is VSS-0.3 V to VSS+5.0 V, and it may be left floating if temperature protection is not used."
},
{
"number": "11",
"name": "DHR",
"type": "passive",
"description": "Connects a resistor to the NTC to set the discharge high-temperature protection point; absolute maximum rating is VSS-0.3 V to VSS+5.0 V."
},
{
"number": "12",
"name": "CHR",
"type": "passive",
"description": "Connects a resistor to the NTC to set the charge high-temperature protection point; absolute maximum rating is VSS-0.3 V to VSS+5.0 V."
},
{
"number": "13",
"name": "VINI",
"type": "input",
"description": "Overcurrent detection input for charge and discharge current sensing; absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "14",
"name": "DO",
"type": "output",
"description": "Discharge MOS control output that turns off the discharge MOSFET on protection; absolute maximum rating is VSS-0.3 V to VSS+30 V."
},
{
"number": "15",
"name": "CO",
"type": "output",
"description": "Charge MOS control output that turns off the charge MOSFET on protection; absolute maximum rating is VSS-30 V to VSS+30 V."
},
{
"number": "16",
"name": "VM",
"type": "passive",
"description": "Charger and load detection terminal; absolute maximum rating is VSS-30 V to VSS+30 V, with VM-VSS resistance RVMS typically 80 kΩ."
}
],
"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 datasheet gives no electrical type for each pin; the KiCad ERC classes (power_in for cell/supply; Pins 2 and 3 are both printed as VC4 in the pin table and pin diagram; the datasheet does not clarif; The datasheet's pin table and figure 3 give pin names and functions for the TSSOP16 package only; th"
],
"pages_sent": 21,
"cost_usd": 0.091,
"at": "2026-10-17T14:54:06"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349402606190592",
"pages": 21,
"sha256": "4f7094f487e54c2d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cm1048-et.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cm1048-et-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "db60eaf788fc9aa4f7da7ed902fc62733978122f2eab1e845c3107ba7365a86e",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}