component
STGAP1BSTR
Public Made by Adomby adom
STMicroelectronics Isolators - Gate Drivers, SO-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"power management (pmic)",
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"component": {
"mpn": "STGAP1BSTR",
"manufacturer": "STMicroelectronics",
"package": "SO-24",
"pin_count": 24,
"category": "Power Management (PMIC)",
"subcategory": "Isolators - Gate Drivers",
"datasheet": "https://www.st.com/resource/en/datasheet/stgap1bstr.pdf",
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"distributor_links": {
"lcsc": "C5267708",
"digikey": "497-STGAP1BSTR-ND",
"mouser": "511-STGAP1BSTR"
},
"distributor_check": {
"checked_at": "2026-11-06T01:24:39Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-STGAP1BSTR-ND",
"status": "found"
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"pn": "511-STGAP1BSTR",
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"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Low voltage section ground, referenced for VDD and VREG."
},
{
"number": "2",
"name": "SDO",
"type": "output",
"description": "SPI serial data output from the low voltage interface."
},
{
"number": "3",
"name": "SDI",
"type": "input",
"description": "SPI serial data input to the device."
},
{
"number": "4",
"name": "CS",
"type": "input",
"description": "SPI chip select input, active low."
},
{
"number": "5",
"name": "CK",
"type": "input",
"description": "SPI clock input."
},
{
"number": "6",
"name": "VREG",
"type": "power_out",
"description": "Internal 3.3 V regulator output and supply pin, absolute maximum -0.30 V to 3.60 V vs GND."
},
{
"number": "7",
"name": "VDD",
"type": "power_in",
"description": "Power supply for the low voltage section and internal 3.3 V regulator, absolute maximum -0.30 V to 6.50 V vs GND."
},
{
"number": "8",
"name": "IN-/DIAG2",
"type": "bidirectional",
"description": "Gate command input (inverting) or open drain diagnostic output, selected by DIAG_EN; open drain output voltage limit -0.30 V to 6.50 V."
},
{
"number": "9",
"name": "IN+",
"type": "input",
"description": "Non-inverting gate command input."
},
{
"number": "10",
"name": "DIAG1",
"type": "output",
"description": "Open drain diagnostic output."
},
{
"number": "11",
"name": "SD",
"type": "input",
"description": "Shutdown input, active low."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Low voltage section ground, same net as pin 1."
},
{
"number": "13",
"name": "GNDISO",
"type": "power_in",
"description": "High voltage section (isolated) ground, reference for VH, VDESAT, VSENSE and VASC."
},
{
"number": "14",
"name": "VL",
"type": "power_in",
"description": "Negative power supply or ground for the high voltage section, range -15 V to 0.30 V vs GNDISO."
},
{
"number": "15",
"name": "VREGISO",
"type": "power_out",
"description": "Internal regulator output pin for decoupling of the high voltage section, absolute maximum 3.60 V vs GNDISO."
},
{
"number": "16",
"name": "SENSE",
"type": "input",
"description": "Sense input for overcurrent protection, comparator threshold set by SENSEth."
},
{
"number": "17",
"name": "VH",
"type": "power_in",
"description": "Positive power supply for the high voltage section, absolute maximum -0.30 V to 40 V vs GNDISO."
},
{
"number": "18",
"name": "DESAT",
"type": "bidirectional",
"description": "Desaturation protection pin, analog input/output with voltage limited to VH + 0.30 V vs GNDISO."
},
{
"number": "19",
"name": "VCECLAMP",
"type": "input",
"description": "VCE active clamping protection input, voltage limited to VL - 0.30 V to VH + 0.30 V vs VL."
},
{
"number": "20",
"name": "GON",
"type": "output",
"description": "Gate source output, drives the gate during turn-on."
},
{
"number": "21",
"name": "GOFF",
"type": "output",
"description": "Gate sink output, drives the gate during turn-off."
},
{
"number": "22",
"name": "CLAMP",
"type": "output",
"description": "Miller clamp output."
},
{
"number": "23",
"name": "VL",
"type": "power_in",
"description": "Negative power supply or ground for the high voltage section, same net as pin 14."
},
{
"number": "24",
"name": "ASC",
"type": "input",
"description": "Asynchronous stop command input, voltage limited to -0.30 V to VH + 0.30 V vs GNDISO."
}
],
"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: Pinout taken from Table 1 (page 4). Ordering table (page 51) maps STGAP1BSTR to SO24W tape and reel,",
"1/24 pin names appear NOWHERE in the datasheet text: ['9:IN+@p4']"
],
"pages_sent": 17,
"cost_usd": 0.023,
"at": "2026-11-06T01:24:01"
},
"datasheet": {
"url": "https://www.st.com/resource/en/datasheet/stgap1bstr.pdf",
"pages": 59,
"sha256": "8f7b2ce284230e18",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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