component
LTC2955CDDB-1#TRPBF
Public Made by Adomby adom
Analog Devices Monitors & Reset Circuits, DFN-10-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "LTC2955CDDB-1#TRPBF",
"brief": "Analog Devices Monitors & Reset Circuits, DFN-10-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"category": "Power Management ICs",
"subcategory": "Monitors & Reset Circuits",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/2955fa.pdf",
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"lbr": "ltc2955cddb-1-trpbf.lbr"
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"distributor_links": {
"lcsc": "C683788",
"digikey": "505-LTC2955CDDB-1#TRPBFTR-ND",
"mouser": "584-C2955CDDB-1TRPBF"
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},
"pins": [
{
"number": "1",
"name": "INT",
"type": "output",
"description": "Open-drain interrupt output, pulled low on a turn-off command from the pushbutton or ON pin, with a minimum pulse width of 32ms extendable through TMR, and rated -0.3V to 6V."
},
{
"number": "2",
"name": "PGD",
"type": "output",
"description": "ON status output that goes high (1.5V to 5.5V, 2µA pull-up) when the ON pin is above its 0.8V threshold, telling the system whether turn-on came from ON or PB; leave open if unused."
},
{
"number": "3",
"name": "EN",
"type": "output",
"description": "Active-high enable output (LTC2955-1) asserted when the pushbutton is pressed or ON goes high, with a 2µA pull-up and a high level that follows the internal LDO (1.5V to 5.5V), for connection to a regulator RUN or SHUTDOWN pin."
},
{
"number": "4",
"name": "VIN",
"type": "power_in",
"description": "Power supply input with a 1.5V to 36V operating range (40V absolute maximum); for >20V applications connect through a 1k resistor and bypass to GND with a 10nF low-ESR capacitor."
},
{
"number": "5",
"name": "PB",
"type": "input",
"description": "Active-low pushbutton input with a 900k pull-up to an internal LDO, tolerant of ±36V, connected between the pushbutton and GND; may be left open if unused."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "7",
"name": "SEL",
"type": "input",
"description": "Mode select input: GND blocks the ON falling edge from causing turn-off, VIN allows both ON rising and falling edges to turn the system on and off; do not leave open."
},
{
"number": "8",
"name": "TMR",
"type": "passive",
"description": "Timer pin where a capacitor to ground adds 5.2 seconds/µF beyond the default 64ms turn-off debounce time; grounding the pin disables forced power-down by pushbutton press."
},
{
"number": "9",
"name": "KILL",
"type": "input",
"description": "Kill input with a 0.8V threshold where a low releases the enable output; tie to the system supply or an external 1.2V to 5V if unused (absolute maximum 6V)."
},
{
"number": "10",
"name": "ON",
"type": "input",
"description": "Monitor input with a 0.8V rising threshold connected to a resistive divider for automatic system turn-on (and turn-off when SEL is high); tie to GND if unused."
},
{
"number": "11",
"name": "EP",
"type": "passive",
"description": "Exposed pad (DFN only); leave open or connect to device ground."
}
],
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"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
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],
"pages_sent": 6,
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"at": "2026-10-30T21:19:44"
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"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/2955fa.pdf",
"pages": 22,
"sha256": "808f40fbceb97024",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"seat": "z = 0",
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"footprint_binding": "identity",
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},
{
"file": "ltc2955cddb-1-trpbf-etched.step",
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],
"package_dims": {
"package_code": "DDB10",
"source_page": 19,
"D": {
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"A": {
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"metadata": {
"specs": {
"Manufacturer": "Analog Devices",
"Package": "DFN-10-EP(2x3)",
"Category": "Power Management ICs",
"Pins": "11"
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"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "VIN Supply Voltage Range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 1.5,
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"conditions": "",
"source_page": 3,
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},
{
"name": "VIN Supply Current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": 0.5,
"typ": 1.2,
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"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VIN Undervoltage Lockout",
"symbol": "VUVL",
"kind": "electrical",
"unit": "V",
"min": 1,
"typ": 1.15,
"max": 1.3,
"conditions": "VIN Rising",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VIN Undervoltage Lockout Hysteresis",
"symbol": "VUVL(HYST)",
"kind": "electrical",
"unit": "mV",
"min": 30,
"typ": 85,
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"conditions": "",
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{
"name": "PB Voltage Range",
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"unit": "V",
"min": -36,
"typ": null,
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"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PB Input Threshold",
"symbol": "VPB",
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"min": 0.6,
"typ": 0.8,
"max": 1,
"conditions": "PB Falling",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PB Open Circuit Voltage",
"symbol": "VPB(VOC)",
"kind": "electrical",
"unit": "V",
"min": 3,
"typ": 4.3,
"max": 5.5,
"conditions": "I = –1µA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ON Threshold",
"symbol": "VON",
"kind": "electrical",
"unit": "V",
"min": 0.76,
"typ": 0.8,
"max": 0.84,
"conditions": "ON Rising",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ON Input Leakage Current",
"symbol": "ION",
"kind": "electrical",
"unit": "nA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "ON = 1V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ON Input Leakage Current",
"symbol": "ION",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": null,
"max": 100,
"conditions": "ON = 36V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "KILL Input Threshold Voltage",
"symbol": "VKILL",
"kind": "electrical",
"unit": "V",
"min": 0.76,
"typ": 0.8,
"max": 0.84,
"conditions": "KILL Falling",
"source_page": 3,
"source": "datasheet"
},
{
"name": "KILL Input Leakage Current",
"symbol": "IKILL",
"kind": "electrical",
"unit": "nA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "KILL = 1V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SEL Input Threshold",
"symbol": "VSEL",
"kind": "electrical",
"unit": "V",
"min": 0.4,
"typ": 0.8,
"max": 1.2,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SEL Input Current",
"symbol": "ISEL",
"kind": "electrical",
"unit": "nA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "SEL = 1V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SEL Input Current",
"symbol": "ISEL",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": null,
"max": 100,
"conditions": "SEL = 36V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN/EN Voltage Output Low",
"symbol": "VEN/EN(VOL)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.175,
"max": 0.4,
"conditions": "I = 1mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Voltage Output High (LTC2955-1)",
"symbol": "VEN(VOH)",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 5.5,
"conditions": "I = 0µA, –0.5µA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Pull-Up Current (LTC2955-1)",
"symbol": "IEN",
"kind": "electrical",
"unit": "µA",
"min": -1.2,
"typ": -2,
"max": -2.8,
"conditions": "EN = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "INT Voltage Output Low",
"symbol": "VINT(VOL)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "I = 3mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "INT Leakage Current",
"symbol": "IINT",
"kind": "electrical",
"unit": "nA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "INT = 5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PGD Voltage Output High",
"symbol": "VPGD(VOH)",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 5.5,
"conditions": "I = 0µA, –0.5µA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PGD Voltage Output Low",
"symbol": "VPGD(VOL)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "I = 3mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PGD Pull-Up Current",
"symbol": "IPGD",
"kind": "electrical",
"unit": "µA",
"min": -1.2,
"typ": -2,
"max": -2.8,
"conditions": "PGD = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "TMR Pull-Up Current",
"symbol": "ITMR(PU)",
"kind": "electrical",
"unit": "µA",
"min": -2,
"typ": -3,
"max": -4,
"conditions": "TMR = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "TMR Pull-Down Current",
"symbol": "ITMR(PD)",
"kind": "electrical",
"unit": "µA",
"min": 2,
"typ": 3,
"max": 4,
"conditions": "TMR = 1.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "PB, ON Turn-On Debounce Time",
"symbol": "tDB(ON)",
"kind": "timing",
"unit": "ms",
"min": 19,
"typ": 32,
"max": 45,
"conditions": "PB Falling or ON Rising → Enable Asserted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PB Interrupt Debounce Time",
"symbol": "tDB(OFF)",
"kind": "timing",
"unit": "ms",
"min": 19,
"typ": 32,
"max": 45,
"conditions": "PB Falling → INT Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Additional Turn-Off Debounce Time",
"symbol": "tTMR",
"kind": "timing",
"unit": "ms",
"min": 5.8,
"typ": 11.5,
"max": 17.2,
"conditions": "CTMR = 2200pF",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum INT Pulse Width",
"symbol": "tINT(MIN)",
"kind": "timing",
"unit": "ms",
"min": 19,
"typ": 32,
"max": 45,
"conditions": "INT Falling → TMR Rising",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON Interrupt Delay",
"symbol": "tON(PD)",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 200,
"conditions": "ON Falling → INT Falling, VSEL > 0.8V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PGD Propagation Delay",
"symbol": "tPGD(PD)",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 200,
"conditions": "ON Falling → PGD Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "KILL Propagation Delay",
"symbol": "tKILL(PD)",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 60,
"conditions": "KILL Falling → Enable Released",
"source_page": 4,
"source": "datasheet"
},
{
"name": "KILL Minimum Pulse Width",
"symbol": "tKILL(PW)",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "KILL Turn-On Blanking",
"symbol": "tKILL(ON BLANK)",
"kind": "timing",
"unit": "ms",
"min": 304,
"typ": 512,
"max": 720,
"conditions": "KILL Low, Enable Asserted → Enable Released",
"source_page": 4,
"source": "datasheet"
},
{
"name": "EN/EN Lockout Time",
"symbol": "tEN(LOCK OUT)",
"kind": "timing",
"unit": "s",
"min": 0.6,
"typ": 1,
"max": 1.4,
"conditions": "Enable Released → Enable Asserted",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN Absolute Maximum Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "PB Absolute Maximum Voltage",
"symbol": "PB",
"kind": "absolute_maximum",
"unit": "V",
"min": -40,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ON Absolute Maximum Voltage",
"symbol": "ON",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "SEL Absolute Maximum Voltage",
"symbol": "SEL",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "KILL Absolute Maximum Voltage",
"symbol": "KILL",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "EN/EN Absolute Maximum Voltage",
"symbol": "EN/EN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "INT Absolute Maximum Voltage",
"symbol": "INT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
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