component
TPS2456ARHHR
Public Made by Adomby adom
Texas Instruments Monitors & Reset Circuits, VQFN-36-EP(6x6). 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": "tps2456arhhr",
"title": "TPS2456ARHHR",
"brief": "Texas Instruments Monitors & Reset Circuits, VQFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"power management ics",
"tps2456arhhr",
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],
"component": {
"mpn": "TPS2456ARHHR",
"manufacturer": "Texas Instruments",
"package": "VQFN-36-EP(6x6)",
"pin_count": 37,
"category": "Power Management ICs",
"subcategory": "Monitors & Reset Circuits",
"datasheet": "https://www.ti.com/lit/ds/symlink/tps2456arhhr.pdf",
"parts": {
"symbol": "tps2456arhhr.kicad_sym",
"footprint": "tps2456arhhr.kicad_mod",
"model_3d": "tps2456arhhr-hero.glb",
"model_3d_plain": "tps2456arhhr-etched.glb",
"model_3d_step": "tps2456arhhr-etched.step",
"model_3d_step_plain": "tps2456arhhr.step",
"lbr": "tps2456arhhr.lbr"
},
"distributor_links": {
"lcsc": "C2678367",
"digikey": "2156-TPS2456ARHHR-296-ND",
"mouser": "595-TPS2456ARHHR"
},
"distributor_check": {
"checked_at": "2026-10-31T00:33:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "2156-TPS2456ARHHR-296-ND",
"status": "found",
"lifecycle": "Active"
},
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"pn": "595-TPS2456ARHHR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "SENPA",
"type": "input",
"description": "Input voltage sense for channel A, connected to the source side of RSENSEA; used for fast trip, UVLO (trips when SENPA is below 8.5 V for more than 440 ns nominal) and blocking."
},
{
"number": "2",
"name": "SETA",
"type": "input",
"description": "Connect RSETA from the input supply to SETA to program the channel A current limit together with RSENSEA and RMONA."
},
{
"number": "3",
"name": "SENMA",
"type": "input",
"description": "Connect to the load side of RSENSEA; the fast-trip threshold equals 100 mV / RSENSEA."
},
{
"number": "4",
"name": "VINT",
"type": "bidirectional",
"description": "Internal bias rail (about 2.35 V) that requires a bypass capacitor to GND and is not designed as a general-purpose bias rail."
},
{
"number": "5",
"name": "MONA",
"type": "bidirectional",
"description": "Connect RMONA from MONA to GND to set the channel A current limit together with RSENSEA and RSETA; the current limit acts at VMONA = 675 mV."
},
{
"number": "6",
"name": "ORENA",
"type": "input",
"description": "Active-high blocking transistor enable; pulling it low disables blocking by holding GAT2A low, and an internal 200 kΩ resistor pulls it to VINT."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "9",
"name": "MONB",
"type": "bidirectional",
"description": "Connect RMONB from MONB to GND to set the channel B current limit together with RSENSEB and RSETB; the current limit acts at VMONB = 675 mV."
},
{
"number": "10",
"name": "CTB",
"type": "bidirectional",
"description": "Connect a capacitor from CTB to GND to set the fault timer period; the channel shuts down and declares a fault when VCTB reaches 1.35 V."
},
{
"number": "11",
"name": "GAT2B",
"type": "output",
"description": "Gate drive for the channel B blocking MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above OUTB."
},
{
"number": "12",
"name": "OUTB",
"type": "bidirectional",
"description": "Output voltage monitor and bias input for channel B, used by the biasing, blocking and power-good circuits."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "14",
"name": "ORENB",
"type": "input",
"description": "Active-high blocking transistor enable; pulling it low disables blocking by holding GAT2B low, and an internal 200 kΩ resistor pulls it to VINT."
},
{
"number": "15",
"name": "GAT1B",
"type": "output",
"description": "Gate drive for the channel B protection MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above INB."
},
{
"number": "16",
"name": "SENMB",
"type": "input",
"description": "Connect to the load side of RSENSEB; the fast-trip threshold equals 100 mV / RSENSEB."
},
{
"number": "17",
"name": "SETB",
"type": "input",
"description": "Connect RSETB from the input supply to SETB to program the channel B current limit together with RSENSEB and RMONB."
},
{
"number": "18",
"name": "SENPB",
"type": "input",
"description": "Input voltage sense for channel B, connected to the source side of RSENSEB; used for fast trip, UVLO (trips when SENPB is below 8.5 V for more than 440 ns nominal) and blocking."
},
{
"number": "19",
"name": "INB",
"type": "power_in",
"description": "Control power input for channel B, connected to the input supply; recommended VINx range is 8.5 V to 15 V."
},
{
"number": "20",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "21",
"name": "FLTB",
"type": "output",
"description": "Active-low open-drain fault output for channel B, asserted when the B fault timer runs out; may be left open if not used."
},
{
"number": "22",
"name": "PGB",
"type": "output",
"description": "Active-low open-drain power-good output for channel B, asserting when VOUTB exceeds 10.63 V and releasing below 10.50 V."
},
{
"number": "23",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "24",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "26",
"name": "PGA",
"type": "output",
"description": "Active-low open-drain power-good output for channel A, asserting when VOUTA exceeds 10.63 V and releasing below 10.50 V."
},
{
"number": "27",
"name": "FLTA",
"type": "output",
"description": "Active-low open-drain fault output for channel A, asserted when the A fault timer runs out; may be left open if not used."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "29",
"name": "ENB",
"type": "input",
"description": "Active-high enable for channel B; a low level turns the channel off by pulling GAT1B and GAT2B low, and an internal 200 kΩ resistor pulls it to VINT."
},
{
"number": "30",
"name": "GAT1A",
"type": "output",
"description": "Gate drive for the channel A protection MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above INA."
},
{
"number": "31",
"name": "ENA",
"type": "input",
"description": "Active-high enable for channel A; a low level turns the channel off by pulling GAT1A and GAT2A low, and an internal 200 kΩ resistor pulls it to VINT."
},
{
"number": "32",
"name": "GND",
"type": "power_in",
"description": "Connect pin to ground."
},
{
"number": "33",
"name": "OUTA",
"type": "bidirectional",
"description": "Output voltage monitor and bias input for channel A, used by the biasing, blocking and power-good circuits."
},
{
"number": "34",
"name": "GAT2A",
"type": "output",
"description": "Gate drive for the channel A blocking MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above OUTA."
},
{
"number": "35",
"name": "CTA",
"type": "bidirectional",
"description": "Connect a capacitor from CTA to GND to set the fault timer period; the channel shuts down and declares a fault when VCTA reaches 1.35 V."
},
{
"number": "36",
"name": "INA",
"type": "power_in",
"description": "Control power input for channel A, connected to the input supply; recommended VINx range is 8.5 V to 15 V."
},
{
"number": "37",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
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"exposed pad 37 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 10,
"cost_usd": 0.0703,
"at": "2026-10-31T00:32:54"
},
"datasheet": {
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"pages": 32,
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 37,
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"checked": "2026-10-31",
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{
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"package_dims": {
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"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-36-EP(6x6)",
"Category": "Power Management ICs",
"Pins": "37"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"name": "GAT1x, GAT2x voltage",
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{
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{
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"source_page": 2,
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{
"name": "ESD Charged Device Model",
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"kind": "absolute_maximum",
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"min": null,
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{
"name": "VINx input voltage",
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"min": 8.5,
"typ": 12,
"max": 15,
"conditions": "",
"source_page": 3,
"source": "datasheet"
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{
"name": "IMONx",
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"min": 100,
"typ": null,
"max": 1000,
"conditions": "",
"source_page": 3,
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},
{
"name": "GAT1x, GAT2x board leakage current",
"symbol": "",
"kind": "recommended_operating",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "PCB condition; footnote: not a limit on the TPS2456A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VINT bypass capacitance",
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"typ": 100,
"max": 250,
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{
"name": "Operating junction temperature range",
"symbol": "TJ",
"kind": "recommended_operating",
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"min": -40,
"typ": null,
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{
"name": "Threshold voltage VINx ↑ (Enable input ENx, ORENx)",
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"max": 1.45,
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{
"name": "Hysteresis (Enable input ENx, ORENx)",
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{
"name": "Pullup current (ENx, ORENx)",
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{
"name": "Input bias current (ENx, ORENx)",
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{
"name": "Turn off time",
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"conditions": "ENx deasserts to VOUTx < 1 V, COUT = 0 µF, QGAT1x = 33 nF",
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{
"name": "Output low voltage (PGx)",
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{
"name": "Leakage current (PGx)",
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{
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{
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