component
CS3815EO
Public Made by Adomby adom
CRMICRO Audio Amplifiers, HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "cs3815eo",
"title": "CS3815EO",
"brief": "CRMICRO Audio Amplifiers, HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"amplifiers-comparators",
"cs3815eo",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CS3815EO",
"manufacturer": "CRMICRO",
"package": "HTSSOP-28",
"pin_count": 29,
"category": "Amplifiers/Comparators",
"subcategory": "Audio Amplifiers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603078100922085376",
"parts": {
"symbol": "cs3815eo.kicad_sym",
"footprint": "cs3815eo.kicad_mod",
"model_3d": "cs3815eo-hero.glb",
"model_3d_plain": "cs3815eo-etched.glb",
"model_3d_step": "cs3815eo-etched.step",
"model_3d_step_plain": "cs3815eo.step",
"lbr": "cs3815eo.lbr"
},
"distributor_links": {
"lcsc": "C7421636"
},
"distributor_check": {
"checked_at": "2026-10-18T20:31:40Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "STBY",
"type": "input",
"description": "TTL-compatible standby logic input with levels up to AVCC; pulling it low mutes the outputs and puts the device in standby, and it must not be left floating."
},
{
"number": "2",
"name": "/FAULT",
"type": "output",
"description": "Open-drain output that flags short-circuit or DC-detect faults, pulled toward AVCC; short-circuit lock can auto-recover if /FAULT is tied to STBY, otherwise the fault must be reset through PVCC."
},
{
"number": "3",
"name": "IN1+",
"type": "input",
"description": "Channel 1 positive audio input; the absolute input voltage range is -0.3 V to 5.3 V."
},
{
"number": "4",
"name": "IN1-",
"type": "input",
"description": "Channel 1 negative audio input; the absolute input voltage range is -0.3 V to 5.3 V."
},
{
"number": "5",
"name": "G0",
"type": "input",
"description": "Gain-select low bit, TTL-compatible with levels up to AVCC; together with G1 it selects 20, 26, 32 or 36 dB gain."
},
{
"number": "6",
"name": "G1",
"type": "input",
"description": "Gain-select high bit, TTL-compatible with levels up to AVCC; together with G0 it selects 20, 26, 32 or 36 dB gain."
},
{
"number": "7",
"name": "AVCC",
"type": "power_in",
"description": "Analog supply; recommended range 8 V to 26 V, absolute maximum 30 V."
},
{
"number": "8",
"name": "AGND",
"type": "power_in",
"description": "Analog ground, connected to the heatsink (thermal pad) on the PCB."
},
{
"number": "9",
"name": "GVDD",
"type": "power_out",
"description": "Internally generated high-side gate-drive supply (6.2 V typical, 5.0 V to 6.8 V), which also powers the PLIMIT divider."
},
{
"number": "10",
"name": "PLIMIT",
"type": "input",
"description": "Power-limit level input set by a resistor divider between GVDD and GND; connecting it directly to GVDD disables power limiting."
},
{
"number": "11",
"name": "IN2-",
"type": "input",
"description": "Channel 2 negative audio input; the absolute input voltage range is -0.3 V to 5.3 V."
},
{
"number": "12",
"name": "IN2+",
"type": "input",
"description": "Channel 2 positive audio input; the absolute input voltage range is -0.3 V to 5.3 V."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "14",
"name": "PBTL",
"type": "input",
"description": "Parallel-BTL (mono) mode select; high enables parallel BTL operation with the input on channel 2 and the speaker across the channel 1 and 2 outputs, and it must be grounded for normal BTL mode."
},
{
"number": "15",
"name": "PVCC2",
"type": "power_in",
"description": "Channel 2 power-stage supply, recommended 8 V to 26 V, internally connected to the channel 1 supply pins."
},
{
"number": "16",
"name": "PVCC2",
"type": "power_in",
"description": "Channel 2 power-stage supply, recommended 8 V to 26 V, internally connected to the channel 1 supply pins."
},
{
"number": "17",
"name": "BS2+",
"type": "input",
"description": "Channel 2 positive output high-side bootstrap connection."
},
{
"number": "18",
"name": "OUT2+",
"type": "output",
"description": "Channel 2 positive PWM output to the speaker through the output EMI filter."
},
{
"number": "19",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the output stage; output filter ground returns connect here."
},
{
"number": "20",
"name": "OUT2-",
"type": "output",
"description": "Channel 2 negative PWM output to the speaker through the output EMI filter."
},
{
"number": "21",
"name": "BS2-",
"type": "input",
"description": "Channel 2 negative output high-side bootstrap connection."
},
{
"number": "22",
"name": "BS1-",
"type": "input",
"description": "Channel 1 negative output high-side bootstrap connection."
},
{
"number": "23",
"name": "OUT1-",
"type": "output",
"description": "Channel 1 negative PWM output to the speaker through the output EMI filter."
},
{
"number": "24",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the output stage; output filter ground returns connect here."
},
{
"number": "25",
"name": "OUT1+",
"type": "output",
"description": "Channel 1 positive PWM output to the speaker through the output EMI filter."
},
{
"number": "26",
"name": "BS1+",
"type": "input",
"description": "Channel 1 positive output high-side bootstrap connection."
},
{
"number": "27",
"name": "PVCC1",
"type": "power_in",
"description": "Channel 1 power-stage supply, recommended 8 V to 26 V, internally connected to the channel 2 supply pins."
},
{
"number": "28",
"name": "PVCC1",
"type": "power_in",
"description": "Channel 1 power-stage supply, recommended 8 V to 26 V, internally connected to the channel 2 supply pins."
},
{
"number": "29",
"name": "PowerPAD",
"type": "passive",
"description": "Exposed thermal pad on the package underside, to be soldered to PCB copper (with vias to the bottom layer) for heat dissipation."
}
],
"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 28-pin table does not list the exposed PowerPAD. It appears only as pin '29' in the application ; The datasheet lists GVDD as type 'O'. I mapped it to power_out because it is an internally regulated; The datasheet lists NC as type 'P'. I mapped it to unconnected because the description is 'no connec"
],
"pages_sent": 12,
"cost_usd": 0.0603,
"at": "2026-10-18T20:31:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603078100922085376",
"pages": 12,
"sha256": "8a12b4ce770d597d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 29,
"described": 29,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cs3815eo.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.2,
9.7,
1.05
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cs3815eo-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.2,
9.7,
1.05
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "1f06855d0ad78c1b9aa25f337e75b626398280196729562546187494ef58fbaf",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "CRMICRO",
"Package": "HTSSOP-28",
"Category": "Amplifiers/Comparators",
"Pins": "29"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8a12b4ce770d597d543bee5031a87c25dd245db4c78b31ea70e7b938244b4639",
"rows": [
{
"name": "Supply voltage PVCC, AVCC",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 30,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage STBY",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage STBY, G0, G1, PBTL, /FAULT",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage PLIMIT",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage IN2-, IN2+, IN1-, IN1+",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.3,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Ambient operating temperature",
"symbol": "Tamb",
"kind": "absolute_maximum",
"unit": "℃",
"min": -20,
"typ": null,
"max": 85,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Load resistance",
"symbol": "R",
"kind": "absolute_maximum",
"unit": "",
"min": 3.2,
"typ": null,
"max": null,
"conditions": "除非另有规定，Tamb= 25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 8,
"typ": null,
"max": 26,
"conditions": "PVCC，AVCC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-level input voltage",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "STBY，G0，G1，PBTL",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level input voltage",
"symbol": "VII",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "STBY，G0，G1，PBTL",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level output voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "/FAULT，RPULL-UP=100k，Vcc=18V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-level input current",
"symbol": "IIH",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 50,
"conditions": "STBY，G0，G1，PBTL；V1=2V，Vcc=18V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level input current",
"symbol": "IIL",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 5,
"conditions": "STBY，G0，G1，PBTL；V1=0.8V，Vcc=18V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "℃",
"min": -20,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output offset voltage",
"symbol": "|Vos|",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 1.5,
"max": 15,
"conditions": "VCC=24V，RL=16Ω；VI=0V，Gain=36dB",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gate drive voltage",
"symbol": "GVDD",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": 6.2,
"max": 6.8,
"conditions": "VCC=24V，RL=16Ω；IGVDD=100μA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Quiescent current",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 45,
"max": 70,
"conditions": "VCC=24V，RL=16Ω；STBY=2V，无负载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Standby current",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 150,
"max": 400,
"conditions": "VCC=24V，RL=16Ω；STBY=0.8V，无负载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gain (G1=0.8V, G0=0.8V)",
"symbol": "G",
"kind": "electrical",
"unit": "dB",
"min": 19,
"typ": 20,
"max": 21,
"conditions": "VCC=24V，RL=16Ω；G1=0.8V，G0=0.8V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gain (G1=0.8V, G0=2V)",
"symbol": "G",
"kind": "electrical",
"unit": "dB",
"min": 25,
"typ": 26,
"max": 27,
"conditions": "VCC=24V，RL=16Ω；G1=0.8V，G0=2V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gain (G1=2V, G0=0.8V)",
"symbol": "G",
"kind": "electrical",
"unit": "dB",
"min": 31,
"typ": 32,
"max": 33,
"conditions": "VCC=24V，RL=16Ω；G1=2V，G0=0.8V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gain (G1=2V, G0=2V)",
"symbol": "G",
"kind": "electrical",
"unit": "dB",
"min": 35,
"typ": 36,
"max": 37,
"conditions": "VCC=24V，RL=16Ω；G1=2V，G0=2V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Quiescent current",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 25,
"max": 50,
"conditions": "VCC=12V，RL=8Ω；STBY=2V，无负载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Oscillation frequency (24V test set)",
"symbol": "fOSC",
"kind": "electrical",
"unit": "kHz",
"min": 250,
"typ": 300,
"max": 350,
"conditions": "VCC=24V，RL=16Ω",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Oscillation frequency (12V test set)",
"symbol": "fOSC",
"kind": "electrical",
"unit": "kHz",
"min": 250,
"typ": 300,
"max": 350,
"conditions": "VCC=12V，RL=8Ω",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Drain-source on-resistance, high-side (upper)",
"symbol": "rDS(on)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 250,
"max": null,
"conditions": "VCC=24V，RL=16Ω；Io=500mA，TJ=25°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Drain-source on-resistance, low-side (lower)",
"symbol": "rDS(on)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 250,
"max": null,
"conditions": "VCC=24V，RL=16Ω；Io=500mA，TJ=25°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Drain-source on-resistance, total",
"symbol": "rDS(on)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 500,
"max": null,
"conditions": "VCC=24V，RL=16Ω；Io=500mA，TJ=25°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Turn-on time",
"symbol": "ton",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 16,
"max": null,
"conditions": "VCC=24V，RL=16Ω；STBY=2V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Turn-off time",
"symbol": "toff",
"kind": "electrical",
"unit": "μs",
"min": null,
"typ": 3,
"max": null,
"conditions": "VCC=24V，RL=16Ω；STBY=0.8V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Standby current",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 100,
"max": null,
"conditions": "VCC=12V，RL=8Ω；STBY=0.8V，无负载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply ripple rejection",
"symbol": "kSVR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": -70,
"max": null,
"conditions": "VCC=24V，RL=16Ω；1kHz，200mVpp纹波，Gain=20dB，输入交流耦合到地",
"source_page": 6,
"source": "datasheet"
},
{
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