component
A6268KLPTR-T
Public Made by Adomby adom
Allegro MicroSystems, LLC LED Drivers, TSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "a6268klptr-t",
"title": "A6268KLPTR-T",
"brief": "Allegro MicroSystems, LLC LED Drivers, TSSOP-16-EP. 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",
"display modules - led drivers - display drivers",
"a6268klptr-t",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "A6268KLPTR-T",
"manufacturer": "Allegro MicroSystems, LLC",
"package": "TSSOP-16-EP",
"pin_count": 17,
"category": "Display Modules / LED Drivers / Display Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e7d3ef984f486faed026c1367e41c41c.pdf",
"parts": {
"symbol": "a6268klptr-t.kicad_sym",
"footprint": "a6268klptr-t.kicad_mod",
"model_3d": "a6268klptr-t-hero.glb",
"model_3d_plain": "a6268klptr-t-etched.glb",
"model_3d_step": "a6268klptr-t-etched.step",
"model_3d_step_plain": "a6268klptr-t.step",
"lbr": "a6268klptr-t.lbr"
},
"distributor_links": {
"lcsc": "C2678832",
"digikey": "620-A6268KLPTR-TTR-ND",
"mouser": "250-A6268KLPTR-T"
},
"distributor_check": {
"checked_at": "2026-10-31T00:31:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "620-A6268KLPTR-TTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "250-A6268KLPTR-T",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "EN",
"type": "input",
"description": "Logic input that enables operation and can be used for direct PWM dimming; the chip enters low power sleep mode when it is held low for longer than the disable time tDIS."
},
{
"number": "2",
"name": "FF1",
"type": "output",
"description": "Open-drain current sink fault flag and isolation control output that is active per Table 1, with absolute maximum rating of -0.3 to 50 V, and it can be pulled up to a logic supply or to the source of a PMOS load-isolation FET."
},
{
"number": "3",
"name": "FF2",
"type": "output",
"description": "Open-drain fault flag output that is active per Table 1 and needs an external pull-up to a logic supply, which should not exceed VREG by 300 mV when VREG is not used."
},
{
"number": "4",
"name": "CKOUT",
"type": "output",
"description": "Logic output at the oscillator frequency with a phase shift, used to drive succeeding controllers so that switching instants are interleaved."
},
{
"number": "5",
"name": "IREF",
"type": "input",
"description": "Voltage input that reduces the LED current sense voltage, with an absolute maximum of -0.3 to 7 V, and when it is pulled below 1 V the LED current is reduced in a single step."
},
{
"number": "6",
"name": "OSC",
"type": "input",
"description": "Resistor to ground sets the internal oscillator, or it accepts an external clock; connecting it to VREG or GND gives about 350 kHz, and the absolute maximum rating is -0.3 to 6.5 V."
},
{
"number": "7",
"name": "SN",
"type": "input",
"description": "Negative sense amplifier input for the switch current limit sense resistor RSS, with an absolute maximum rating of -0.3 to 5 V."
},
{
"number": "8",
"name": "SP",
"type": "input",
"description": "Positive sense amplifier input for the switch current limit sense resistor RSS, with an absolute maximum rating of -0.3 to 5 V."
},
{
"number": "9",
"name": "SG",
"type": "output",
"description": "Gate drive output for the external logic-level MOSFET low-side switch that connects the inductor to ground, with an absolute maximum rating of -0.3 to 6.5 V."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference connection that should be connected directly to the negative supply."
},
{
"number": "11",
"name": "VREG",
"type": "passive",
"description": "Compensation capacitor connection for the internal 5 V regulator, with an absolute maximum rating of -0.3 to 7 V."
},
{
"number": "12",
"name": "VIN",
"type": "power_in",
"description": "Main supply to the control circuit, which requires a bypass capacitor between this pin and GND, with an absolute maximum rating of -0.3 to 50 V and an electrical characterization range of 5 to 40 V."
},
{
"number": "13",
"name": "LP",
"type": "input",
"description": "Positive load current sense input for the LED current sense resistor RSL, with a rating of -6 to 6 V with respect to LN."
},
{
"number": "14",
"name": "LN",
"type": "input",
"description": "Negative load current sense input for the LED current sense resistor RSL, whose voltage also determines whether boost or buck-boost mode is configured, with an absolute maximum rating of -0.3 to 50 V."
},
{
"number": "15",
"name": "LA",
"type": "input",
"description": "LED string anode voltage sense input, which uses an external resistor divider scaled to the number of LEDs and has an absolute maximum rating of -0.3 to 50 V."
},
{
"number": "16",
"name": "LF",
"type": "input",
"description": "Single-diode forward voltage reference input that sets the reference for shorted-LED detection against LA, with a rating of -6 to 6 V with respect to LA."
},
{
"number": "17",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 exposed thermal pad is listed in the terminal table as '– PAD' without a pin number, so it is no; Pin types were chosen by judgment because KiCad classes are not stated in the datasheet: FF1 and FF2; Descriptions combine the pin function text with the absolute maximum ratings from page 2 where the p",
"exposed pad 17 added from the footprint",
"3/17 pins cited to the wrong page (name found elsewhere): ['11:VREG@p8', '13:LP@p8', '14:LN@p8']"
],
"pages_sent": 7,
"cost_usd": 0.051,
"at": "2026-10-31T00:31:27"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/e7d3ef984f486faed026c1367e41c41c.pdf",
"pages": 19,
"sha256": "66bee0c3e7530497",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "a6268klptr-t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "a6268klptr-t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7cda58dd73764ac9dc80cb0649903a4a98b00c1b94fcb7b58f46b2b6ab154090",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "LP",
"source_page": 18,
"D": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 4.4,
"range_mm": [
null,
null
]
},
"E": {
"nom_mm": 6.4,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.65,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.2,
"range_mm": [
null,
1.2
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "a6268klptr-t.step",
"verdict": "PASS",
"reasons": [
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],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Allegro MicroSystems, LLC",
"Package": "TSSOP-16-EP",
"Category": "Display Modules / LED Drivers / Display Drivers",
"Pins": "17"
},
"appearance": {
"contacts": {
"quote": "thermal pad (suffix LP). It is lead (Pb) free, with 100% matte tin leadframe plating.",
"page": 1,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "66bee0c3e7530497b318fe89bf46bebd8a299830b87694137b6a695d887d3609"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "66bee0c3e7530497b318fe89bf46bebd8a299830b87694137b6a695d887d3609",
"rows": [
{
"name": "Load Supply Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pins FF1, EN",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 2,
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},
{
"name": "Pins FF2, CKOUT",
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"min": -0.3,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 2,
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{
"name": "Pin OSC",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pin SG",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pins LA, LN",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pin LF",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -6,
"typ": null,
"max": 6,
"conditions": "With respect to LA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pin LP",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -6,
"typ": null,
"max": 6,
"conditions": "With respect to LN",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pins SP, SN",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pin VREG",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pin IREF",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature",
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"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
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"source": "datasheet"
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{
"name": "Storage Temperature Range",
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"min": -55,
"typ": null,
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"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Temperature Range, Range K",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
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"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VIN Functional Operating Range",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 5,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VIN Quiescent Current",
"symbol": "IINQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 8,
"conditions": "SG open circuit",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VIN Quiescent Current",
"symbol": "IINS",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 4,
"max": 10,
"conditions": "EN = GND",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VREG Output Voltage",
"symbol": "VREG",
"kind": "electrical",
"unit": "V",
"min": 4.85,
"typ": 5,
"max": 5.15,
"conditions": "IREG = 0 to 2 mA, VIN ≥ 5.3 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VREG Output Voltage",
"symbol": "VREG",
"kind": "electrical",
"unit": "V",
"min": 4.7,
"typ": null,
"max": null,
"conditions": "IREG = 2 mA, VIN = 5 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VREG Current Limit",
"symbol": "VREGCL",
"kind": "electrical",
"unit": "mA",
"min": 25,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum Duty Cycle",
"symbol": "D",
"kind": "electrical",
"unit": "%",
"min": 80,
"typ": 85,
"max": null,
"conditions": "tON × fOSC",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Pull-Up On Resistance",
"symbol": "RDS(on)UP",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 3.5,
"conditions": "TJ = 150°C, IGHx = –100 mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Pull-Down On Resistance",
"symbol": "RDS(on)DN",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "TJ = 150°C, IGLx = 100 mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Low Voltage",
"symbol": "VSGL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "ISG = 100 μA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Fault Output Low Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 1 mA, fault not asserted",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Fault Output FF1 Leakage Current",
"symbol": "IOH1(lkg)",
"kind": "electrical",
"unit": "μA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VO = 12 V, fault asserted",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Fault Output FF2 Leakage Current",
"symbol": "IOH2(lkg)",
"kind": "electrical",
"unit": "μA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "VO = 5 V, fault asserted",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input Low Voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input High Voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input Hysteresis",
"symbol": "VIhys",
"kind": "electrical",
"unit": "mV",
"min": 120,
"typ": 180,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Boost Mode Select Voltage",
"symbol": "VLNB",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "Defined by VLN",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Buck-Boost Mode Select Voltage",
"symbol": "VLNBB",
"kind": "electrical",
"unit": "V",
"min": 3.5,
"typ": null,
"max": null,
"conditions": "Defined by VLN",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Oscillator Frequency",
"symbol": "fOSC",
"kind": "electrical",
"unit": "kHz",
"min": 315,
"typ": 350,
"max": 385,
"conditions": "ROSC = 62 kΩ",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Minimum Oscillator Frequency",
"symbol": "fMIN",
"kind": "electrical",
"unit": "kHz",
"min": 90,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "OSC Pin Voltage",
"symbol": "VOSC",
"kind": "electrical",
"unit": "V",
"min": 1.15,
"typ": 1.2,
"max": 1.25,
"conditions": "ROSC = 62 kΩ",
"source_page": 6,
"source": "datasheet"
},
{
"name": "OSC Input Low Voltage",
"symbol": "VOIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "OSC Input High Voltage",
"symbol": "VOIH",
"kind": "electrical",
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