component
MCP39F511A-E
Public Made by Adomby adom
Microchip Tech Battery Management ICs, QFN-28(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "mcp39f511a-e",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Battery Management ICs, QFN-28(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power supply chip",
"mcp39f511a-e",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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],
"component": {
"mpn": "MCP39F511A-E",
"manufacturer": "Microchip Tech",
"package": "QFN-28(5x5)",
"pin_count": 29,
"category": "Power Supply Chip",
"subcategory": "Battery Management ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f5ea721bb5f9b6b409c842ff91171442.pdf",
"parts": {
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"footprint": "mcp39f511a-e.kicad_mod",
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"model_3d_step": "mcp39f511a-e-etched.step",
"model_3d_step_plain": "mcp39f511a-e.step",
"lbr": "mcp39f511a-e.lbr"
},
"distributor_links": {
"lcsc": "C638798"
},
"distributor_check": {
"checked_at": "2026-10-24T00:23:24Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "EVENT1",
"type": "output",
"description": "Event 1 output pin, configurable as an output flag based on internal raise conditions via the Event Configuration register."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connect; must be left floating."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No connect; must be left floating."
},
{
"number": "4",
"name": "UART_RX",
"type": "input",
"description": "UART communication receive pin of the asynchronous full-duplex UART (eight bits with Start and Stop bit)."
},
{
"number": "5",
"name": "COMMONA",
"type": "passive",
"description": "Common pin A, internal connection that must be connected to pin 13 (COMMONB)."
},
{
"number": "6",
"name": "OSCI",
"type": "input",
"description": "Oscillator crystal connection or external clock input; optional 4 MHz crystal, otherwise device uses internal 4 MHz oscillator."
},
{
"number": "7",
"name": "OSCO",
"type": "passive",
"description": "Oscillator crystal connection pin for the optional 4 MHz crystal, with appropriate load capacitance."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No connect; must be left floating."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No connect; must be left floating."
},
{
"number": "10",
"name": "RESET",
"type": "input",
"description": "Active-low Schmitt-triggered reset input that places the Delta-Sigma ADCs, PGA, internal VREF and other AFE blocks in Reset."
},
{
"number": "11",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply pin, to be maintained between +2.7V and +3.6V with 0.1 µF ceramic bypass capacitors recommended."
},
{
"number": "12",
"name": "UART_TX",
"type": "output",
"description": "UART communication transmit pin of the asynchronous full-duplex UART."
},
{
"number": "13",
"name": "COMMONB",
"type": "passive",
"description": "Common pin B, internal connection that must be connected to pin 5 (COMMONA)."
},
{
"number": "14",
"name": "PWM",
"type": "output",
"description": "Dedicated PWM output with frequency and duty cycle set by the PWM Frequency and PWM Duty Cycle registers."
},
{
"number": "15",
"name": "EVENT2",
"type": "output",
"description": "Event 2 output pin, configurable as an output flag based on internal raise conditions via the Event Configuration register."
},
{
"number": "16",
"name": "I1+",
"type": "input",
"description": "Noninverting current channel input of the 24-bit Delta-Sigma ADC, with differential range of ±600 mV peak/GAIN at VREF = 1.2V."
},
{
"number": "17",
"name": "I1-",
"type": "input",
"description": "Inverting current channel input of the 24-bit Delta-Sigma ADC, with differential range of ±600 mV peak/GAIN at VREF = 1.2V."
},
{
"number": "18",
"name": "V1-",
"type": "input",
"description": "Inverting voltage channel input of the 24-bit Delta-Sigma ADC, with differential range of ±600 mV peak/GAIN at VREF = 1.2V."
},
{
"number": "19",
"name": "V1+",
"type": "input",
"description": "Noninverting voltage channel input of the 24-bit Delta-Sigma ADC, with differential range of ±600 mV peak/GAIN at VREF = 1.2V."
},
{
"number": "20",
"name": "AN_IN",
"type": "input",
"description": "Analog input to the SAR ADC for temperature measurement (e.g. MCP9700A) or general-purpose use."
},
{
"number": "21",
"name": "AGND",
"type": "power_in",
"description": "Analog ground, return path for internal analog circuitry (ADCs, PGA, voltage reference, POR)."
},
{
"number": "22",
"name": "ZCD",
"type": "output",
"description": "Zero crossing detection logic output with edges at each zero crossing of the voltage channel input."
},
{
"number": "23",
"name": "REFIN+/OUT",
"type": "bidirectional",
"description": "Noninverting voltage reference input and internal reference output pin."
},
{
"number": "24",
"name": "DGND",
"type": "power_in",
"description": "Digital ground, return path for internal digital circuitry; exposed pad is connected to pins 24 and 27."
},
{
"number": "25",
"name": "DVDD",
"type": "power_in",
"description": "Digital power supply pin."
},
{
"number": "26",
"name": "MCLR",
"type": "input",
"description": "Master Clear input for the device."
},
{
"number": "27",
"name": "DGND",
"type": "power_in",
"description": "Digital ground, return path for internal digital circuitry."
},
{
"number": "28",
"name": "DR",
"type": "unconnected",
"description": "Data Ready pin; must be left floating."
},
{
"number": "29",
"name": "EP",
"type": "power_in",
"description": "Exposed thermal pad, to be connected to pins 24 and 27 (DGND)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin types for OSCI/OSCO, REFIN+/OUT, COMMONA/B are inferred from the descriptions since the datashee; EP (pin 29) is listed in the pin table as the exposed pad tied to DGND; modeled as power_in."
],
"pages_sent": 9,
"cost_usd": 0.0936,
"at": "2026-10-24T00:23:12"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/f5ea721bb5f9b6b409c842ff91171442.pdf",
"pages": 68,
"sha256": "ffa42d2cb7cceac6",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 29,
"described": 29,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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},
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"checked": "2026-10-24",
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{
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}