component
LM53602AQPWPTQ1
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"manufacturer": "Texas Instruments",
"package": "HTSSOP-16-EP",
"pin_count": 17,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm53602-q1",
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"digikey": "296-42427-2-ND",
"mouser": "595-LM53602AQPWPTQ1"
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"pins": [
{
"number": "1",
"name": "SW",
"type": "power_in",
"description": "Regulator switch node for power inductor connection; connect pins 1 and 2 directly at PCB."
},
{
"number": "2",
"name": "SW",
"type": "power_in",
"description": "Regulator switch node for power inductor connection; connect pins 1 and 2 directly at PCB."
},
{
"number": "3",
"name": "CBOOT",
"type": "power_in",
"description": "Bootstrap supply input for gate drivers; connect high quality 470 nF capacitor to SW."
},
{
"number": "4",
"name": "VCC",
"type": "power_out",
"description": "Internal 3.15 V regulator output for internal control circuits; do not connect to external loads."
},
{
"number": "5",
"name": "BIAS",
"type": "power_in",
"description": "Input to internal voltage regulator connected to output voltage point; do not ground."
},
{
"number": "6",
"name": "SYNC",
"type": "input",
"description": "Synchronization input to regulator for system clock frequency synchronization; connect to GND when not used."
},
{
"number": "7",
"name": "FPWM",
"type": "input",
"description": "Mode control input selecting forced PWM (high) or auto PFM/PWM mode (low)."
},
{
"number": "8",
"name": "RESET",
"type": "output",
"description": "Open drain reset output; high indicates power OK, low indicates fault."
},
{
"number": "9",
"name": "FB",
"type": "input",
"description": "Feedback input for output voltage sense (fixed modes) or feedback divider tap (ADJ mode); do not float or ground."
},
{
"number": "10",
"name": "AGND",
"type": "power_in",
"description": "Analog ground for regulator and system; all electrical parameters measured with respect to this pin."
},
{
"number": "11",
"name": "EN",
"type": "input",
"description": "Enable input to regulator; high enables operation, low disables operation; can connect directly to VIN."
},
{
"number": "12",
"name": "VIN",
"type": "power_in",
"description": "Input supply to regulator (3.9 V to 36 V) with high quality bypass capacitor(s) to PGND; connect pins 12 and 13 directly at PCB."
},
{
"number": "13",
"name": "VIN",
"type": "power_in",
"description": "Input supply to regulator (3.9 V to 36 V) with high quality bypass capacitor(s) to PGND; connect pins 12 and 13 directly at PCB."
},
{
"number": "14",
"name": "N/C",
"type": "unconnected",
"description": "No connection to device."
},
{
"number": "15",
"name": "PGND",
"type": "power_in",
"description": "Power ground for internal low side MOSFET; connect to AGND and system ground; connect pins 15 and 16 directly at PCB."
},
{
"number": "16",
"name": "PGND",
"type": "power_in",
"description": "Power ground for internal low side MOSFET; connect to AGND and system ground; connect pins 15 and 16 directly at PCB."
},
{
"number": "17",
"name": "EP",
"type": "power_in",
"description": "Exposed die attach paddle for adequate heat sinking and noise reduction; connect to ground plane."
}
],
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"pages_sent": 11,
"cost_usd": 0.1783,
"at": "2026-10-07T02:03:59"
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"url": "https://www.ti.com/cn/lit/gpn/lm53602-q1",
"pages": 42,
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"metadata": {
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"Package": "HTSSOP-16-EP",
"Category": "Power Supply Chip",
"Pins": "17"
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