component
LTM4624IY#PBF
Public Made by Adomby adom
Analog Devices Power Modules, BGA-25(6.2x6.2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "LTM4624IY#PBF",
"brief": "Analog Devices Power Modules, BGA-25(6.2x6.2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"package": "BGA-25(6.2x6.2)",
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"category": "Power Management ICs",
"subcategory": "Power Modules",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/4624fd.pdf",
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"lbr": "ltm4624iy-pbf.lbr"
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"digikey": "LTM4624IY#PBF-ND",
"mouser": "584-LTM4624IY#PBF"
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{
"number": "A1",
"name": "COMP",
"type": "passive",
"description": "Current control threshold and error amplifier compensation point; its normal range is 0.3V to 1.8V, and COMP pins are tied together for parallel operation."
},
{
"number": "A2",
"name": "TRACK/SS",
"type": "input",
"description": "Output tracking and soft-start input; a voltage below 0.6V servos FB to the TRACK/SS voltage, above 0.6V the internal reference resumes control, and an internal 2.5µA pull-up from INTVCC makes a capacitor here set soft-start."
},
{
"number": "A3",
"name": "RUN",
"type": "input",
"description": "Run control input that enables the regulator when tied above 1.25V and shuts it down when pulled below 1.1V; do not leave floating."
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{
"number": "A4",
"name": "FREQ",
"type": "input",
"description": "Frequency pin where the switching frequency is set internally to 1MHz; an external resistor to SGND increases frequency and a resistor to INTVCC reduces it."
},
{
"number": "A5",
"name": "NC",
"type": "unconnected",
"description": "No connect pin, not connected internally; float or ground it."
},
{
"number": "B1",
"name": "FB",
"type": "input",
"description": "Negative input of the error amplifier, internally connected to VOUT through a 60.4k precision resistor, with output voltage programmed by an additional resistor between FB and SGND."
},
{
"number": "B2",
"name": "NC",
"type": "unconnected",
"description": "No connect pin, not connected internally; float or ground it."
},
{
"number": "B3",
"name": "GND",
"type": "power_in",
"description": "Power ground pin for both input and output returns."
},
{
"number": "B4",
"name": "SGND",
"type": "power_in",
"description": "Signal ground connection that must be tied to GND with minimum distance, and to which the FREQ, COMP, MODE, TRACK/SS and FB components connect as needed."
},
{
"number": "B5",
"name": "NC",
"type": "unconnected",
"description": "No connect pin, not connected internally; float or ground it."
},
{
"number": "C1",
"name": "VOUT",
"type": "power_out",
"description": "Power output pin; apply the load between VOUT and GND pins and place output decoupling capacitance directly between them."
},
{
"number": "C2",
"name": "PGOOD",
"type": "output",
"description": "Open-drain power good output that is pulled to ground when the FB voltage is not within ±10% of the internal 0.6V reference."
},
{
"number": "C3",
"name": "GND",
"type": "power_in",
"description": "Power ground pin for both input and output returns."
},
{
"number": "C4",
"name": "MODE",
"type": "input",
"description": "Operation mode select; tie to INTVCC to force continuous synchronous operation at all loads, or to SGND for discontinuous mode at light loads; do not leave floating."
},
{
"number": "C5",
"name": "SVIN",
"type": "power_in",
"description": "Signal VIN that is the filtered input to the on-chip 3.3V regulator; connect to an external supply of at least 4V that must also be greater than VOUT, normally tied to VIN."
},
{
"number": "D1",
"name": "VOUT",
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"description": "Power output pin; apply the load between VOUT and GND pins and place output decoupling capacitance directly between them."
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{
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"name": "VOUT",
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"description": "Power output pin; apply the load between VOUT and GND pins and place output decoupling capacitance directly between them."
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"description": "Power ground pin for both input and output returns."
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"description": "Power ground pin for both input and output returns."
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"type": "power_in",
"description": "Power input pin; apply the input voltage between VIN and GND pins and place input decoupling capacitance directly between VIN and GND pins."
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{
"number": "E1",
"name": "VOUT",
"type": "power_out",
"description": "Power output pin; apply the load between VOUT and GND pins and place output decoupling capacitance directly between them."
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{
"number": "E2",
"name": "VOUT",
"type": "power_out",
"description": "Power output pin; apply the load between VOUT and GND pins and place output decoupling capacitance directly between them."
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{
"number": "E3",
"name": "GND",
"type": "power_in",
"description": "Power ground pin for both input and output returns."
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{
"number": "E4",
"name": "INTVCC",
"type": "power_out",
"description": "Internal 3.3V regulator output that powers the internal power drivers and control circuits and is internally decoupled to GND with a 1µF low ESR ceramic capacitor."
},
{
"number": "E5",
"name": "VIN",
"type": "power_in",
"description": "Power input pin; apply the input voltage between VIN and GND pins and place input decoupling capacitance directly between VIN and GND pins."
}
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{
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"name": "INTVCC Voltage",
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"name": "Digital Pin Voltage (PGOOD, MODE, TRACK/SS, FREQ)",
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],
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}
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