component
LP87702DRHBRQ1
Public Made by Adomby adom
Texas Instruments Power Management - Specialized, VQFN-32-EP(5x5). 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": "lp87702drhbrq1",
"title": "LP87702DRHBRQ1",
"brief": "Texas Instruments Power Management - Specialized, VQFN-32-EP(5x5). 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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"component": {
"mpn": "LP87702DRHBRQ1",
"manufacturer": "Texas Instruments",
"package": "VQFN-32-EP(5x5)",
"pin_count": 33,
"category": "Power Management (PMIC)",
"subcategory": "Power Management - Specialized",
"datasheet": "https://www.ti.com/lit/ds/symlink/lp87702-q1.pdf",
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"digikey": "296-LP87702DRHBRQ1TR-ND",
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"status": "found"
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"pins": [
{
"number": "1",
"name": "nINT",
"type": "output",
"description": "Open-drain interrupt output, active LOW, pulled low when a flag bit is set and released high after all flags and pending interrupts are cleared."
},
{
"number": "2",
"name": "FB_B0",
"type": "passive",
"description": "Output voltage feedback input for Buck0 (remote sensing to compensate IR drop at the point of load)."
},
{
"number": "3",
"name": "FB_B1",
"type": "passive",
"description": "Output voltage feedback input for Buck1 (remote sensing to compensate IR drop at the point of load)."
},
{
"number": "4",
"name": "AGND",
"type": "power_in",
"description": "Analog ground pin of the device."
},
{
"number": "5",
"name": "VANA",
"type": "power_in",
"description": "Supply voltage for analog and digital blocks, rated 2.8 V to 5.5 V; must be connected to the same node as VIN_Bx."
},
{
"number": "6",
"name": "WD_RESET",
"type": "output",
"description": "Reset output from the window watchdog; it is active for 10 ms or 7.5 ms plus 10 ms or 15 ms depending on watchdog settings."
},
{
"number": "7",
"name": "WDI",
"type": "input",
"description": "Digital input signal for the window watchdog; logic input rated 0 V to VANA."
},
{
"number": "8",
"name": "VOUT_BST",
"type": "power_out",
"description": "Boost converter output (5-V boost); bypass switch output when bypass mode is selected."
},
{
"number": "9",
"name": "SW_BST",
"type": "power_in",
"description": "Boost input; bypass switch input when bypass mode is selected, rated 2.8 V to 5.5 V."
},
{
"number": "10",
"name": "PGND_BST",
"type": "power_in",
"description": "Power ground for the boost converter."
},
{
"number": "11",
"name": "NRST",
"type": "input",
"description": "Reset signal input for the device; driving it low disables all converters and resets registers to default values."
},
{
"number": "12",
"name": "GPO0",
"type": "output",
"description": "General purpose digital output 0, configurable as push-pull (VANA level) or open-drain."
},
{
"number": "13",
"name": "VIN_B1",
"type": "power_in",
"description": "Input for Buck1; VIN_Bx pins must be connected together in the application and locally bypassed, rated 2.8 V to 5.5 V."
},
{
"number": "14",
"name": "VIN_B1",
"type": "power_in",
"description": "Input for Buck1; VIN_Bx pins must be connected together in the application and locally bypassed, rated 2.8 V to 5.5 V."
},
{
"number": "15",
"name": "SW_B1",
"type": "power_out",
"description": "Buck1 switch node."
},
{
"number": "16",
"name": "SW_B1",
"type": "power_out",
"description": "Buck1 switch node."
},
{
"number": "17",
"name": "PGND_B1",
"type": "power_in",
"description": "Power ground for Buck1."
},
{
"number": "18",
"name": "PGND_B1",
"type": "power_in",
"description": "Power ground for Buck1."
},
{
"number": "19",
"name": "EN1",
"type": "input",
"description": "Programmable Enable 1 signal used for start-up and shutdown sequencing."
},
{
"number": "20",
"name": "SCL",
"type": "input",
"description": "Serial interface clock input for I2C access; connect a pullup resistor. Alternative function is programmable to the enable 2 signal."
},
{
"number": "21",
"name": "SDA",
"type": "bidirectional",
"description": "Serial interface data input and output for I2C access; connect a pullup resistor. Alternative function is programmable to the enable 3 signal."
},
{
"number": "22",
"name": "CLKIN",
"type": "bidirectional",
"description": "External clock input to synchronize switching; alternative functions are general purpose digital output 2 (GPO2) and watchdog disable (WD_DIS)."
},
{
"number": "23",
"name": "PGND_B0",
"type": "power_in",
"description": "Power ground for Buck0."
},
{
"number": "24",
"name": "PGND_B0",
"type": "power_in",
"description": "Power ground for Buck0."
},
{
"number": "25",
"name": "SW_B0",
"type": "power_out",
"description": "Buck0 switch node."
},
{
"number": "26",
"name": "SW_B0",
"type": "power_out",
"description": "Buck0 switch node."
},
{
"number": "27",
"name": "VIN_B0",
"type": "power_in",
"description": "Input for Buck0; VIN_Bx pins must be connected together in the application and locally bypassed, rated 2.8 V to 5.5 V."
},
{
"number": "28",
"name": "VIN_B0",
"type": "power_in",
"description": "Input for Buck0; VIN_Bx pins must be connected together in the application and locally bypassed, rated 2.8 V to 5.5 V."
},
{
"number": "29",
"name": "PG0",
"type": "output",
"description": "Programmable power-good indication output for Buck0 and related monitoring."
},
{
"number": "30",
"name": "VMON1",
"type": "input",
"description": "Voltage monitoring input 1, rated 0 V to 5.5 V."
},
{
"number": "31",
"name": "VMON2",
"type": "input",
"description": "Voltage monitoring input 2, rated 0 V to 5.5 V."
},
{
"number": "32",
"name": "PG1",
"type": "output",
"description": "Programmable power-good indication output; alternative function is general purpose digital output 1 (GPO1)."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
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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": 19,
"cost_usd": 0.038,
"at": "2026-11-05T23:26:58"
},
"datasheet": {
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-32-EP(5x5)",
"Category": "Power Management (PMIC)",
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"name": "Voltage on input power connections (VIN_B0, VIN_B1, SW_BST, VANA)",
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{
"name": "Voltage on buck voltage sense nodes (FB_B0, FB_B1)",
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"source": "datasheet"
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"name": "Voltage on voltage monitoring pins (SCL, SDA, VMON1, VMON2)",
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{
"name": "Voltage on logic pins (PG0, PG1, GPO0, CLKIN, WDI, WD_RESET)",
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"source_page": 6,
"source": "datasheet"
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{
"name": "Voltage on input power connections",
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"kind": "recommended_operating",
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"min": 2.8,
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"source_page": 6,
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{
"name": "Voltage on voltage monitoring pins",
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{
"name": "Voltage on logic pins (input or output pins)",
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{
"name": "Voltage on logic pins (input or output pins)",
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{
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"name": "Ambient temperature",
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"min": -40,
"typ": null,
"max": 125,
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{
"name": "Input filtering capacitance for buck converters",
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"typ": 10,
"max": null,
"conditions": "Effective capacitance, from VIN_Bx to PGND_Bx",
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"name": "Output filtering capacitance for buck converters",
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"typ": 22,
"max": 100,
"conditions": "Effective total capacitance; maximum includes POL capacitance",
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{
"name": "Output filtering capacitance for boost converter",
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{
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"conditions": "[1-10] MHz",
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{
"name": "Inductor for buck converters tolerance",
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"conditions": "Inductance of the inductor",
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"name": "Inductor for boost converters tolerance",
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"conditions": "Inductance of the inductor",
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{
"name": "Input voltage range",
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"max": 5.5,
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{
"name": "Output voltage programmable voltage range",
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"min": 0.7,
"typ": 1,
"max": 3.36,
"conditions": "Programmable voltage range",
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"name": "Output current",
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"typ": null,
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"source": "datasheet"
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"name": "Minimum voltage difference between V(VIN_Bx) and VOUT_Bx",
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"kind": "electrical",
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"min": null,
"typ": null,
"max": 0.8,
"conditions": "IOUT_Bx ≤ 2 A",
"source_page": 8,
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{
"name": "Minimum voltage difference between V(VIN_Bx) and VOUT_Bx",
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"conditions": "IOUT_Bx > 2 A",
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{
"name": "DC output voltage accuracy",
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"conditions": "Force PWM mode, VOUT < 1.0 V",
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{
"name": "DC output voltage accuracy",
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{
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