component
ADBMS1818ASWAZ-R7
Public Made by Adomby adom
Analog Devices Battery Management, LQFP-64-EP(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "adbms1818aswaz-r7",
"title": "ADBMS1818ASWAZ-R7",
"brief": "Analog Devices Battery Management, LQFP-64-EP(10x10). 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 management (pmic)",
"adbms1818aswaz-r7",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ADBMS1818ASWAZ-R7",
"manufacturer": "Analog Devices",
"package": "LQFP-64-EP(10x10)",
"pin_count": 65,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600620513408393216",
"parts": {
"symbol": "adbms1818aswaz-r7.kicad_sym",
"footprint": "adbms1818aswaz-r7.kicad_mod",
"model_3d": "adbms1818aswaz-r7-hero.glb",
"model_3d_plain": "adbms1818aswaz-r7-etched.glb",
"model_3d_step": "adbms1818aswaz-r7-etched.step",
"model_3d_step_plain": "adbms1818aswaz-r7.step",
"lbr": "adbms1818aswaz-r7.lbr"
},
"distributor_links": {
"lcsc": "C7455595",
"digikey": "505-ADBMS1818ASWAZ-R7TR-ND",
"mouser": "584-ADBMS1818ASWAZR7"
},
"distributor_check": {
"checked_at": "2026-10-19T10:26:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "505-ADBMS1818ASWAZ-R7TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "584-ADBMS1818ASWAZR7",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "V+",
"type": "power_in",
"description": "Positive supply pin; total supply voltage V+ to V- is rated to 112.5 V absolute maximum."
},
{
"number": "2",
"name": "C0",
"type": "input",
"description": "Cell input C0; input voltage relative to V- is limited to -0.3 V to +6 V."
},
{
"number": "3",
"name": "S1",
"type": "passive",
"description": "Balance input/output S1, connected through an internal N-channel discharge MOSFET between S1 and C0; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 1."
},
{
"number": "4",
"name": "C1",
"type": "input",
"description": "Cell input C1; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 1."
},
{
"number": "5",
"name": "S2",
"type": "passive",
"description": "Balance input/output S2, connected through an internal N-channel discharge MOSFET between S2 and C1; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 2."
},
{
"number": "6",
"name": "C2",
"type": "input",
"description": "Cell input C2; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 2."
},
{
"number": "7",
"name": "S3",
"type": "passive",
"description": "Balance input/output S3, connected through an internal N-channel discharge MOSFET between S3 and C2; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 3."
},
{
"number": "8",
"name": "C3",
"type": "input",
"description": "Cell input C3; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 3."
},
{
"number": "9",
"name": "S4",
"type": "passive",
"description": "Balance input/output S4, connected through an internal N-channel discharge MOSFET between S4 and C3; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 4."
},
{
"number": "10",
"name": "C4",
"type": "input",
"description": "Cell input C4; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 4."
},
{
"number": "11",
"name": "S5",
"type": "passive",
"description": "Balance input/output S5, connected through an internal N-channel discharge MOSFET between S5 and C4; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 5."
},
{
"number": "12",
"name": "C5",
"type": "input",
"description": "Cell input C5; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 5."
},
{
"number": "13",
"name": "S6",
"type": "passive",
"description": "Balance input/output S6, connected through an internal N-channel discharge MOSFET between S6 and C5; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 6."
},
{
"number": "14",
"name": "C6",
"type": "input",
"description": "Cell input C6; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 6."
},
{
"number": "15",
"name": "S7",
"type": "passive",
"description": "Balance input/output S7, connected through an internal N-channel discharge MOSFET between S7 and C6; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 7."
},
{
"number": "16",
"name": "C7",
"type": "input",
"description": "Cell input C7; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 7."
},
{
"number": "17",
"name": "S8",
"type": "passive",
"description": "Balance input/output S8, connected through an internal N-channel discharge MOSFET between S8 and C7; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 8."
},
{
"number": "18",
"name": "C8",
"type": "input",
"description": "Cell input C8; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 8."
},
{
"number": "19",
"name": "S9",
"type": "passive",
"description": "Balance input/output S9, connected through an internal N-channel discharge MOSFET between S9 and C8; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 9."
},
{
"number": "20",
"name": "C9",
"type": "input",
"description": "Cell input C9; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 9."
},
{
"number": "21",
"name": "S10",
"type": "passive",
"description": "Balance input/output S10, connected through an internal N-channel discharge MOSFET between S10 and C9; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 10."
},
{
"number": "22",
"name": "C10",
"type": "input",
"description": "Cell input C10; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 10."
},
{
"number": "23",
"name": "S11",
"type": "passive",
"description": "Balance input/output S11, connected through an internal N-channel discharge MOSFET between S11 and C10; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 11."
},
{
"number": "24",
"name": "C11",
"type": "input",
"description": "Cell input C11; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 11."
},
{
"number": "25",
"name": "S12",
"type": "passive",
"description": "Balance input/output S12, connected through an internal N-channel discharge MOSFET between S12 and C11; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 12."
},
{
"number": "26",
"name": "C12",
"type": "input",
"description": "Cell input C12; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 12."
},
{
"number": "27",
"name": "S13",
"type": "passive",
"description": "Balance input/output S13, connected through an internal N-channel discharge MOSFET between S13 and C12; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 13."
},
{
"number": "28",
"name": "C13",
"type": "input",
"description": "Cell input C13; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 13."
},
{
"number": "29",
"name": "S14",
"type": "passive",
"description": "Balance input/output S14, connected through an internal N-channel discharge MOSFET between S14 and C13; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 14."
},
{
"number": "30",
"name": "C14",
"type": "input",
"description": "Cell input C14; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 14."
},
{
"number": "31",
"name": "S15",
"type": "passive",
"description": "Balance input/output S15, connected through an internal N-channel discharge MOSFET between S15 and C14; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 15."
},
{
"number": "32",
"name": "C15",
"type": "input",
"description": "Cell input C15; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 15."
},
{
"number": "33",
"name": "S16",
"type": "passive",
"description": "Balance input/output S16, connected through an internal N-channel discharge MOSFET between S16 and C15; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 16."
},
{
"number": "34",
"name": "C16",
"type": "input",
"description": "Cell input C16; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 16."
},
{
"number": "35",
"name": "S17",
"type": "passive",
"description": "Balance input/output S17, connected through an internal N-channel discharge MOSFET between S17 and C16; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 17."
},
{
"number": "36",
"name": "C17",
"type": "input",
"description": "Cell input C17; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 17."
},
{
"number": "37",
"name": "S18",
"type": "passive",
"description": "Balance input/output S18, connected through an internal N-channel discharge MOSFET between S18 and C17; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 18."
},
{
"number": "38",
"name": "C18",
"type": "input",
"description": "Cell input C18; input voltage relative to V- is limited to -0.3 V to MIN(V+ + 5.5 V, 112.5 V)."
},
{
"number": "39",
"name": "GPIO1",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
},
{
"number": "40",
"name": "GPIO2",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
},
{
"number": "41",
"name": "GPIO3",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input (range V- to 5 V), and can also serve as an I2C or SPI port."
},
{
"number": "42",
"name": "GPIO4",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input (range V- to 5 V), and can also serve as an I2C or SPI port."
},
{
"number": "43",
"name": "GPIO5",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input (range V- to 5 V), and can also serve as an I2C or SPI port."
},
{
"number": "44",
"name": "GPIO6",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
},
{
"number": "45",
"name": "GPIO7",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
},
{
"number": "46",
"name": "GPIO8",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
},
{
"number": "47",
"name": "GPIO9",
"type": "bidirectional",
"description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
},
{
"number": "48",
"name": "VREG",
"type": "power_out",
"description": "5 V regulator pin; bypass with an external 1 uF capacitor."
},
{
"number": "49",
"name": "DRIVE",
"type": "output",
"description": "Drive pin for an external NPN transistor: connect its base to DRIVE, collector to V+, and emitter to VREG."
},
{
"number": "50",
"name": "VREF2",
"type": "power_out",
"description": "Buffered second reference voltage for driving multiple 10 kOhm thermistors; bypass with an external 1 uF capacitor."
},
{
"number": "51",
"name": "VREF1",
"type": "power_out",
"description": "ADC reference voltage; bypass with an external 1 uF capacitor and no DC loads are allowed."
},
{
"number": "52",
"name": "DTEN",
"type": "input",
"description": "Discharge timer enable; connect to VREG to enable the discharge timer."
},
{
"number": "53",
"name": "SDI",
"type": "input",
"description": "4-wire SPI serial data input (digital input); in isoSPI mode (ISOMD tied to VREG) this pin is not used."
},
{
"number": "54",
"name": "SDO",
"type": "output",
"description": "4-wire SPI serial data output, an open-drain NMOS output that requires a 5 kOhm pull-up resistor."
},
{
"number": "55",
"name": "ISOMD",
"type": "input",
"description": "Serial interface mode select: tie to VREG for 2-wire isoSPI mode or to V- for 4-wire SPI mode."
},
{
"number": "56",
"name": "WDT",
"type": "output",
"description": "Watchdog timer output, an open-drain NMOS; it goes high impedance if no valid command is received within 2 seconds, and may be left disconnected or pulled to VREG through 1 MOhm."
},
{
"number": "57",
"name": "IBIAS",
"type": "passive",
"description": "Isolated interface current bias; tie through a resistor divider to V- to set the output current, with the pin at 2 V when isoSPI is enabled and IPA/IMA or IPB/IMB drive set to 20 times IB."
},
{
"number": "58",
"name": "ICMP",
"type": "passive",
"description": "Isolated interface comparator threshold set; tie to a resistor divider between IBIAS and V- so the receiver thresholds equal half the ICMP voltage."
},
{
"number": "59",
"name": "V–",
"type": "power_in",
"description": "Negative supply pin; V- pins 59 and 60 must be shorted together externally to the IC."
},
{
"number": "60",
"name": "V–",
"type": "power_in",
"description": "Negative supply pin; V- pins 59 and 60 must be shorted together externally to the IC."
},
{
"number": "61",
"name": "IMA",
"type": "bidirectional",
"description": "Isolated 2-wire serial interface port A negative terminal; IMA and IPA form a differential input/output pair."
},
{
"number": "62",
"name": "IPA",
"type": "bidirectional",
"description": "Isolated 2-wire serial interface port A positive terminal; IPA and IMA form a differential input/output pair."
},
{
"number": "63",
"name": "IMB",
"type": "bidirectional",
"description": "Isolated 2-wire serial interface port B negative terminal; IMB and IPB form a differential input/output pair."
},
{
"number": "64",
"name": "IPB",
"type": "bidirectional",
"description": "Isolated 2-wire serial interface port B positive terminal; IPB and IMB form a differential input/output pair."
},
{
"number": "65",
"name": "EPAD",
"type": "power_in",
"description": "Exposed pad (V-) that must be soldered to the PCB and connected to the V- plane for thermal management."
}
],
"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: Package mismatch: the package hint says LQFP-64-EP (10x10), but the ordering guide lists ADBMS1818AS; Pins 53, 54, 61 and 62 are assigned differently in Table 14 and Table 15. Table 14 lists SDI, SDO, C; Pin 53 SDI and pin 54 SDO follow the Table 14 order; the Table 15 ISOMD=V- column suggests pin 53 = ",
"30/65 pins cited to the wrong page (name found elsewhere): ['10:C4@p12', '11:S5@p12', '12:C5@p12', '13:S6@p12']"
],
"pages_sent": 8,
"cost_usd": 0.1017,
"at": "2026-10-19T10:25:42"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600620513408393216",
"pages": 92,
"sha256": "36b07646ed2930be",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 65,
"described": 65,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "adbms1818aswaz-r7.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dde48e46dd3f1a46fe776b812b79969568eaeab6936a6859662cd3193f2cd505",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "adbms1818aswaz-r7-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
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12,
12,
1.5
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]
},
"metadata": {
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"Package": "LQFP-64-EP(10x10)",
"Category": "Power Management (PMIC)",
"Pins": "65"
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"name": "TME in Normal Mode, C(n) to C(n–1) = 2.0",
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{
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{
"name": "TME in Normal Mode, C(n) to C(n–1) = 4.2",
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{
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"unit": "%",
"min": -0.35,
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"source": "datasheet"
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{
"name": "TME in Normal Mode, VREG pin",
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"kind": "tolerance",
"unit": "%",
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"typ": -0.15,
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{
"name": "TME in Normal Mode, VREF2 pin",
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"source": "datasheet"
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{
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"source": "datasheet"
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{
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"min": -2,
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{
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{
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"min": -250,
"typ": 10,
"max": 250,
"conditions": "C(n), n = 0 to 18, apply over the full specified temperature range",
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"typ": 10,
"max": 250,
"conditions": "GPIO(n), n = 1 to 9, apply over the full specified temperature range",
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"source": "datasheet"
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{
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{
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"kind": "electrical",
"unit": "µA",
"min": 70,
"typ": 100,
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"conditions": "Apply over the full specified temperature range",
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"typ": 3,
"max": 3.008,
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{
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"min": 6,
"typ": 14,
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"unit": "mA",
"min": 3.6,
"typ": 4.5,
"max": 5.2,
"conditions": "ISOMD = 0, RB1 + RB2 = 2 kΩ, ready, apply over the full specified temperature range",
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"source": "datasheet"
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{
"name": "Additional VREG Supply Current (IREG(isoSPI)), active",
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"typ": 6.8,
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"conditions": "ISOMD = 0, RB1 + RB2 = 2 kΩ, active, apply over the full specified temperature range",
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"source": "datasheet"
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{
"name": "Data Return Delay (tRTN)",
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"min": 325,
"typ": 375,
"max": 425,
"conditions": "Apply over the full specified temperature range",
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"source": "datasheet"
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{
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"min": 16,
"typ": 60,
"max": 90,
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{
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"typ": 5,
"max": 5.5,
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"source": "datasheet"
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"min": 5.4,
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{
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"min": 5.1,
"typ": 5.7,
"max": 6.1,
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{
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{
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"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Relative to V–; max printed as MIN(8 × n, 112.5 V)",
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"name": "Input Voltage IPA, IMA, IPB, IMB (relative to V–)",
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{
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{
"name": "Total Supply Voltage, V+ to V–",
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"unit": "V",
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"typ": null,
"max": 112.5,
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"name": "Specified Junction Temperature Range",
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{
"name": "ESD Withstand, Human Body Model (HBM)",
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"typ": null,
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"conditions": "Human body model per ANSI/ESDA/JEDEC JS-001; class 1C",
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"name": "ESD Withstand, Charged Device Model (CDM)",
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"min": -750,
"typ": null,
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"conditions": "CDM per ANSI/ESDA/JEDEC JS-002; class C2b",
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"name": "Thermal Resistance, junction to ambient (SW-64-2)",
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"typ": 17,
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"conditions": "",
"source_page": 11,
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"name": "Thermal Resistance, junction to case (SW-64-2)",
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"min": null,
"typ": 2.5,
"max": null,
"conditions": "",
"source_page": 11,
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