component
L9788TR
Public Made by Adomby adom
STMicroelectronics Power Management Specialized - PMIC, LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "l9788tr",
"title": "L9788TR",
"brief": "STMicroelectronics Power Management Specialized - PMIC, LQFP-100(14x14). 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",
"power supply chip",
"l9788tr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "L9788TR",
"manufacturer": "STMicroelectronics",
"package": "LQFP-100(14x14)",
"pin_count": 100,
"category": "Power Supply Chip",
"subcategory": "Power Management Specialized - PMIC",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588925414081507328",
"parts": {
"symbol": "l9788tr.kicad_sym",
"footprint": "l9788tr.kicad_mod",
"model_3d": "l9788tr-hero.glb",
"model_3d_plain": "l9788tr.glb",
"model_3d_step": "l9788tr-etched.step",
"model_3d_step_plain": "l9788tr.step",
"lbr": "l9788tr.lbr"
},
"distributor_links": {
"lcsc": "C2156042",
"digikey": "497-19779-2-ND",
"mouser": "511-L9788TR"
},
"distributor_check": {
"checked_at": "2026-10-12T04:18:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-19779-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "511-L9788TR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "FLW_IN_P",
"type": "power_in",
"description": "Flying wheel input voltage, positive terminal; the datasheet gives no electrical limits for this pin."
},
{
"number": "2",
"name": "FLW_IN_N",
"type": "power_in",
"description": "Flying wheel input voltage, negative terminal; the datasheet gives no electrical limits for this pin."
},
{
"number": "3",
"name": "FLW_OUT",
"type": "output",
"description": "Flying wheel output voltage (digital output); no electrical limits given."
},
{
"number": "4",
"name": "LIN_TX",
"type": "input",
"description": "LIN data input (transmit path to the LIN driver); no electrical limits given."
},
{
"number": "5",
"name": "LIN_RX",
"type": "output",
"description": "LIN data output (receive path from the LIN driver); no electrical limits given."
},
{
"number": "6",
"name": "LIN",
"type": "bidirectional",
"description": "LIN bus driver output, listed as power in/out; no electrical limits given."
},
{
"number": "7",
"name": "VB_STBY",
"type": "power_in",
"description": "Supply voltage for the standby function; no electrical limits given."
},
{
"number": "8",
"name": "VSENSE4_MON",
"type": "input",
"description": "Monitor analog input for the tracking sensor supply; no electrical limits given."
},
{
"number": "9",
"name": "Key in",
"type": "power_in",
"description": "Key signal input, listed as power in; no electrical limits given."
},
{
"number": "10",
"name": "Wake in",
"type": "power_in",
"description": "Wake-up signal input, listed as power in; no electrical limits given."
},
{
"number": "11",
"name": "MRD",
"type": "power_out",
"description": "Main relay driver output voltage; no electrical limits given."
},
{
"number": "12",
"name": "INJ3",
"type": "power_out",
"description": "Injector driver output voltage; no electrical limits given."
},
{
"number": "13",
"name": "INJ34_PGND",
"type": "power_in",
"description": "Ground for injector drivers 3 and 4."
},
{
"number": "14",
"name": "INJ4",
"type": "power_out",
"description": "Injector driver output voltage; no electrical limits given."
},
{
"number": "15",
"name": "STR1_DRN",
"type": "power_out",
"description": "Configurable high/low side drain voltage for driver 1; no electrical limits given."
},
{
"number": "16",
"name": "STR1_SRC",
"type": "power_out",
"description": "Configurable high/low side source voltage for driver 1; no electrical limits given."
},
{
"number": "17",
"name": "STR2_SRC",
"type": "power_out",
"description": "Configurable high/low side source voltage for driver 2; no electrical limits given."
},
{
"number": "18",
"name": "STR2_DRN",
"type": "power_out",
"description": "Configurable high/low side drain voltage for driver 2; no electrical limits given."
},
{
"number": "19",
"name": "STR3_DRN",
"type": "power_out",
"description": "Configurable high/low side drain voltage for driver 3; no electrical limits given."
},
{
"number": "20",
"name": "STR3_SRC",
"type": "power_out",
"description": "Configurable high/low side source voltage for driver 3; no electrical limits given."
},
{
"number": "21",
"name": "LED1",
"type": "power_out",
"description": "LED driver output voltage; no electrical limits given."
},
{
"number": "22",
"name": "LED2",
"type": "power_out",
"description": "LED driver output voltage; no electrical limits given."
},
{
"number": "23",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "24",
"name": "WDA",
"type": "bidirectional",
"description": "Watchdog input/output."
},
{
"number": "25",
"name": "RSTN",
"type": "output",
"description": "Reset output for VDD5."
},
{
"number": "26",
"name": "SEO_OUT",
"type": "output",
"description": "SEO output pin (digital output)."
},
{
"number": "27",
"name": "VDD_IO",
"type": "power_in",
"description": "Dedicated supply for FLW_OUT, MSC_DO, LIN_RX and CAN_RX; no voltage limits given."
},
{
"number": "28",
"name": "MSC_DO",
"type": "output",
"description": "MSC digital I/O (digital output)."
},
{
"number": "29",
"name": "INJ_ENA",
"type": "input",
"description": "Enable input for the injector drivers."
},
{
"number": "30",
"name": "EN_N",
"type": "input",
"description": "Enable signal input (N side)."
},
{
"number": "31",
"name": "EN_P",
"type": "input",
"description": "Enable signal input (P side)."
},
{
"number": "32",
"name": "IGN1",
"type": "power_out",
"description": "Ignition pre-driver output voltage; no electrical limits given."
},
{
"number": "33",
"name": "IGN2",
"type": "power_out",
"description": "Ignition pre-driver output voltage; no electrical limits given."
},
{
"number": "34",
"name": "RLY1",
"type": "power_out",
"description": "Relay driver output voltage; no electrical limits given."
},
{
"number": "35",
"name": "RLY2",
"type": "power_out",
"description": "Relay driver output voltage; no electrical limits given."
},
{
"number": "36",
"name": "INJ1",
"type": "power_out",
"description": "Injector driver output voltage; no electrical limits given."
},
{
"number": "37",
"name": "INJ1_PGND",
"type": "power_in",
"description": "Ground for injector driver 1."
},
{
"number": "38",
"name": "INJ2_PGND",
"type": "power_in",
"description": "Ground for injector driver 2."
},
{
"number": "39",
"name": "INJ2",
"type": "power_out",
"description": "Injector driver output voltage; no electrical limits given."
},
{
"number": "40",
"name": "RLY3",
"type": "power_out",
"description": "Relay driver output voltage; no electrical limits given."
},
{
"number": "41",
"name": "RLY4",
"type": "power_out",
"description": "Relay driver output voltage; no electrical limits given."
},
{
"number": "42",
"name": "RLY5",
"type": "power_out",
"description": "Relay driver output voltage; no electrical limits given."
},
{
"number": "43",
"name": "IGN3",
"type": "power_out",
"description": "Ignition pre-driver output voltage; no electrical limits given."
},
{
"number": "44",
"name": "IGN4",
"type": "power_out",
"description": "Ignition pre-driver output voltage; no electrical limits given."
},
{
"number": "45",
"name": "MSC_EN",
"type": "input",
"description": "MSC digital I/O enable (digital input)."
},
{
"number": "46",
"name": "MSC_CK_P",
"type": "input",
"description": "MSC clock, positive (digital input)."
},
{
"number": "47",
"name": "MSC_CK_N",
"type": "input",
"description": "MSC clock, negative (digital input)."
},
{
"number": "48",
"name": "MSC_DI_P",
"type": "input",
"description": "MSC data input, positive (digital input)."
},
{
"number": "49",
"name": "MSC_DI_N",
"type": "input",
"description": "MSC data input, negative (digital input)."
},
{
"number": "50",
"name": "GND1",
"type": "power_in",
"description": "Power ground, shorted to GND by the package."
},
{
"number": "51",
"name": "PRD5_GATE",
"type": "power_out",
"description": "Gate voltage output of general purpose pre-driver 5."
},
{
"number": "52",
"name": "PRD5_DRN",
"type": "power_in",
"description": "Feedback voltage input (drain) of general purpose pre-driver 5."
},
{
"number": "53",
"name": "PRD4_DRN",
"type": "power_in",
"description": "Feedback voltage input (drain) of general purpose pre-driver 4."
},
{
"number": "54",
"name": "PRD4_GATE",
"type": "power_out",
"description": "Gate voltage output of general purpose pre-driver 4."
},
{
"number": "55",
"name": "PRD2_GATE",
"type": "power_out",
"description": "Gate voltage output of general purpose pre-driver 2."
},
{
"number": "56",
"name": "PRD2_DRN",
"type": "power_in",
"description": "Feedback voltage input (drain) of general purpose pre-driver 2."
},
{
"number": "57",
"name": "PRD3_DRN",
"type": "power_in",
"description": "Feedback voltage input (drain) of general purpose pre-driver 3."
},
{
"number": "58",
"name": "PRD3_GATE",
"type": "power_out",
"description": "Gate voltage output of general purpose pre-driver 3."
},
{
"number": "59",
"name": "PRD1_GATE",
"type": "power_out",
"description": "Gate voltage output of general purpose pre-driver 1."
},
{
"number": "60",
"name": "PRD1_DRN",
"type": "power_in",
"description": "Feedback voltage input (drain) of general purpose pre-driver 1."
},
{
"number": "61",
"name": "IGN6",
"type": "power_out",
"description": "Ignition pre-driver output voltage; no electrical limits given."
},
{
"number": "62",
"name": "IGN5",
"type": "power_out",
"description": "Ignition pre-driver output voltage; no electrical limits given."
},
{
"number": "63",
"name": "SOL2",
"type": "power_out",
"description": "Valve driver output voltage; no electrical limits given."
},
{
"number": "64",
"name": "SOL12_PGND",
"type": "power_in",
"description": "Ground for valve drivers 1 and 2."
},
{
"number": "65",
"name": "SOL1",
"type": "power_out",
"description": "Valve driver output voltage; no electrical limits given."
},
{
"number": "66",
"name": "VSENSE3",
"type": "power_out",
"description": "5 V tracking sensor supply output voltage."
},
{
"number": "67",
"name": "VSENSE2",
"type": "power_out",
"description": "5 V tracking sensor supply output voltage."
},
{
"number": "68",
"name": "VSENSE1",
"type": "power_out",
"description": "5 V tracking sensor supply output voltage."
},
{
"number": "69",
"name": "VPRE",
"type": "power_out",
"description": "Pre-buck regulator output voltage."
},
{
"number": "70",
"name": "PDR_GND",
"type": "power_in",
"description": "Ground pin for the predriver supply feedback input."
},
{
"number": "71",
"name": "AD_TEST",
"type": "output",
"description": "AD test pin (analog output)."
},
{
"number": "72",
"name": "VDD5_IN",
"type": "power_in",
"description": "5 V regulator feedback voltage input."
},
{
"number": "73",
"name": "VDD5_GATE",
"type": "power_out",
"description": "Pre-driver output for the 5 V linear regulator."
},
{
"number": "74",
"name": "RSTC",
"type": "output",
"description": "Reset output for the VDDIO supply."
},
{
"number": "75",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "76",
"name": "Boost_G",
"type": "power_out",
"description": "Boost low-side gate voltage output."
},
{
"number": "77",
"name": "VBAT_Sense",
"type": "power_in",
"description": "Battery supply voltage sense input."
},
{
"number": "78",
"name": "VB_IN",
"type": "power_in",
"description": "Battery supply voltage input."
},
{
"number": "79",
"name": "CP",
"type": "power_out",
"description": "Charge pump output."
},
{
"number": "80",
"name": "Buck_C_BST",
"type": "power_out",
"description": "Bootstrap capacitor pin for the buck regulator."
},
{
"number": "81",
"name": "Buck_SW",
"type": "power_out",
"description": "Buck switching pin."
},
{
"number": "82",
"name": "VB_IN_SW",
"type": "power_in",
"description": "Buck regulator supply voltage input."
},
{
"number": "83",
"name": "CURR_Sense_O2H2",
"type": "output",
"description": "O2 heater driver 2 output current value (analog output)."
},
{
"number": "84",
"name": "O2H2_PGNDB",
"type": "power_in",
"description": "Ground for O2 heater driver 2, B side."
},
{
"number": "85",
"name": "O2H2B",
"type": "power_out",
"description": "O2 heater driver 2, B output voltage."
},
{
"number": "86",
"name": "O2H2A",
"type": "power_out",
"description": "O2 heater driver 2, A output voltage."
},
{
"number": "87",
"name": "O2H2_PGNDA",
"type": "power_in",
"description": "Ground for O2 heater driver 2, A side."
},
{
"number": "88",
"name": "O2H1_PGNDB",
"type": "power_in",
"description": "Ground for O2 heater driver 1, B side."
},
{
"number": "89",
"name": "O2H1B",
"type": "power_out",
"description": "O2 heater driver 1, B output voltage."
},
{
"number": "90",
"name": "O2H1A",
"type": "power_out",
"description": "O2 heater driver 1, A output voltage."
},
{
"number": "91",
"name": "O2H1_PGNDA",
"type": "power_in",
"description": "Ground for O2 heater driver 1, A side."
},
{
"number": "92",
"name": "VDD_CAN",
"type": "power_in",
"description": "CAN supply, 5 V."
},
{
"number": "93",
"name": "CURR_Sense_O2H1",
"type": "output",
"description": "O2 heater driver 1 output current value (analog output)."
},
{
"number": "94",
"name": "CANH",
"type": "bidirectional",
"description": "CANH bus output (power in/out)."
},
{
"number": "95",
"name": "CANL",
"type": "bidirectional",
"description": "CANL bus output (power in/out)."
},
{
"number": "96",
"name": "CAN_RX",
"type": "bidirectional",
"description": "CAN receive data output (digital in/out)."
},
{
"number": "97",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "98",
"name": "CAN_TX",
"type": "input",
"description": "CAN transmit data input."
},
{
"number": "99",
"name": "VB_CAN",
"type": "power_in",
"description": "CAN enable signal supply input."
},
{
"number": "100",
"name": "GND_CAN",
"type": "power_in",
"description": "CAN ground."
}
],
"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 datasheet gives no electrical limits per pin in the pin table (Table 2); descriptions state only; Types follow the datasheet's printed classes mapped to KiCad: 'Power In' is kept as power_in even fo; Pin 50 (GND1) is noted in the datasheet as shorted to GND by the package; it is still listed as a se"
],
"pages_sent": 12,
"cost_usd": 0.0909,
"at": "2026-10-12T04:17:42"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588925414081507328",
"pages": 12,
"sha256": "ed97c1ea9c8775f2",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 100,
"described": 100,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "l9788tr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16,
16,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
"checked": "2026-10-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "l9788tr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16,
16,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5f6cd1d0b957c97e41c55797a44c90d7f73aaae86b07ecb56caf8b02c4d012df",
"checked": "2026-10-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "LQFP-100(14x14)",
"Category": "Power Supply Chip",
"Pins": "100"
}
},
"variants": [],
"sections": [
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],
"discovery_triggers": [
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],
"discovery_pitch": "L9788TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"files": [
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"visibility": {
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