component
TPS53126RGET
Public Made by Adomby adom
Texas Instruments DC-DC Controllers, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "tps53126rget",
"title": "TPS53126RGET",
"brief": "Texas Instruments DC-DC Controllers, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"manufacturer": "Texas Instruments",
"package": "VQFN-24(4x4)",
"pin_count": 25,
"category": "Power Management ICs",
"subcategory": "DC-DC Controllers",
"datasheet": "https://www.ti.com/lit/ds/symlink/tps53126rget.pdf",
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"digikey": "296-24598-2-ND",
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"source": "Component Ocean /api/assign-pns",
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"status": "found",
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{
"number": "1",
"name": "VO1",
"type": "input",
"description": "Output voltage input for channel 1 on-time adjustment and output discharge, connected directly to the VO1 output voltage."
},
{
"number": "2",
"name": "VFB1",
"type": "input",
"description": "Channel 1 D-CAP2 feedback input, connected to the output voltage through a resistor divider."
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{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Signal ground, to be connected to PGND1, PGND2 and the system ground at a single point."
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{
"number": "4",
"name": "TEST1",
"type": "output",
"description": "Test interface pin not used in application, to be connected directly to GND."
},
{
"number": "5",
"name": "VFB2",
"type": "input",
"description": "Channel 2 D-CAP2 feedback input, connected to the output voltage through a resistor divider."
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{
"number": "6",
"name": "VO2",
"type": "input",
"description": "Output voltage input for channel 2 on-time adjustment and output discharge, connected directly to the VO2 output voltage."
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{
"number": "7",
"name": "EN2",
"type": "input",
"description": "Channel 2 high-level enable pin; EN1 and EN2 are rated -0.1 V to 24 V in recommended operating conditions."
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{
"number": "8",
"name": "VBST2",
"type": "power_in",
"description": "Boost supply input for the channel 2 high-side NFET driver, bypassed to SW2 with a high-quality 0.1 µF ceramic capacitor (external Schottky optional if forward drop is critical); VBST1/VBST2 are rated up to 5.5 V with respect to SWx."
},
{
"number": "9",
"name": "DRVH2",
"type": "output",
"description": "Channel 2 high-side MOSFET gate driver output, switching between SW2 (OFF) and VBST2 (ON)."
},
{
"number": "10",
"name": "SW2",
"type": "bidirectional",
"description": "Channel 2 switch node for the high-side driver and current comparator; rated -1.8 V to 24 V in recommended operating conditions."
},
{
"number": "11",
"name": "DRVL2",
"type": "output",
"description": "Channel 2 low-side MOSFET gate driver output, PGND2-referenced, switching between PGND2 (OFF) and VREG5 (ON)."
},
{
"number": "12",
"name": "PGND2",
"type": "power_in",
"description": "Channel 2 power ground for the low-side driver and current comparator, to be connected strongly to PGND1 and GND near the IC."
},
{
"number": "13",
"name": "TRIP2",
"type": "input",
"description": "Channel 2 over-current trip programming pin, connected to GND through a resistor to set the low-side RDS(on) current-limit threshold (TRIP1/TRIP2 rated -0.1 V to 0.3 V)."
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{
"number": "14",
"name": "TEST2",
"type": "input",
"description": "Frequency select pin: connect to GND for 350 kHz switching or to V5FILT for 700 kHz switching."
},
{
"number": "15",
"name": "V5FILT",
"type": "power_in",
"description": "5 V supply input for the control circuit (excluding MOSFET drivers), bypassed to GND with a minimum 1.0 µF high-quality ceramic capacitor; rated 4.5 V to 5.5 V and connected to VREG5 through an internal 10 Ω resistor."
},
{
"number": "16",
"name": "VREG5",
"type": "power_out",
"description": "Output of the 5 V linear regulator and supply for the MOSFET drivers, bypassed to GND with a minimum 4.7 µF high-quality ceramic capacitor; connected to V5FILT through an internal 10 Ω resistor."
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{
"number": "17",
"name": "VIN",
"type": "power_in",
"description": "Supply input for the 5 V linear regulator, operating from 4.5 V to 24 V."
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{
"number": "18",
"name": "TRIP1",
"type": "input",
"description": "Channel 1 over-current trip programming pin, connected to GND through a resistor to set the low-side RDS(on) current-limit threshold."
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{
"number": "19",
"name": "PGND1",
"type": "power_in",
"description": "Channel 1 power ground for the low-side driver and current comparator, to be connected strongly to PGND2 and GND near the IC."
},
{
"number": "20",
"name": "DRVL1",
"type": "output",
"description": "Channel 1 low-side MOSFET gate driver output, PGND1-referenced, switching between PGND1 (OFF) and VREG5 (ON)."
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{
"number": "21",
"name": "SW1",
"type": "bidirectional",
"description": "Channel 1 switch node for the high-side driver and current comparator; rated -1.8 V to 24 V in recommended operating conditions."
},
{
"number": "22",
"name": "DRVH1",
"type": "output",
"description": "Channel 1 high-side MOSFET gate driver output, switching between SW1 (OFF) and VBST1 (ON)."
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{
"number": "23",
"name": "VBST1",
"type": "power_in",
"description": "Boost supply input for the channel 1 high-side NFET driver, bypassed to SW1 with a high-quality 0.1 µF ceramic capacitor (external Schottky optional if forward drop is critical); VBST1/VBST2 are rated up to 5.5 V with respect to SWx."
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{
"number": "24",
"name": "EN1",
"type": "input",
"description": "Channel 1 high-level enable pin; EN1 and EN2 are rated -0.1 V to 24 V in recommended operating conditions."
},
{
"number": "25",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
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"guards": "pin_guards 0.1: passed",
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"exposed pad 25 added from the footprint"
],
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"at": "2026-10-30T19:21:19"
},
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"sha256": "5312495eb8164c7c",
"source_tier": "mfr"
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"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-24(4x4)",
"Category": "Power Management ICs",
"Pins": "25"
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{
"name": "Supply input voltage range",
"symbol": "VIN",
"kind": "recommended_operating",
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"min": 4.5,
"typ": null,
"max": 24,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "V5FILT input voltage range",
"symbol": "V5FILT",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 5.5,
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"source": "datasheet"
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{
"name": "VBST1, VBST2 voltage range",
"symbol": "VBST1, VBST2",
"kind": "recommended_operating",
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"min": -0.1,
"typ": null,
"max": 30,
"conditions": "",
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"source": "datasheet"
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{
"name": "VBST1, VBST2 voltage range (wrt SWx)",
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{
"name": "VFB1, VFB2, VO1, VO2, TEST1, TEST2 input voltage range",
"symbol": "VFB1, VFB2, VO1, VO2, TEST1, TEST2",
"kind": "recommended_operating",
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"source": "datasheet"
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{
"name": "TRIP1, TRIP2 input voltage range",
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"typ": null,
"max": 0.3,
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"source_page": 4,
"source": "datasheet"
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{
"name": "EN1, EN2 input voltage range",
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{
"name": "SW1, SW2 input voltage range",
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"min": -1.8,
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"max": 24,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "DRVH1, DRVH2 output voltage range",
"symbol": "DRVH1, DRVH2",
"kind": "recommended_operating",
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{
"name": "DRVL1, DRVL2, VREG5 output voltage range",
"symbol": "DRVL1, DRVL2, VREG5",
"kind": "recommended_operating",
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"min": -0.1,
"typ": null,
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{
"name": "PGND1, PGND2 voltage range",
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{
"name": "Operating free-air temperature (recommended)",
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"min": -40,
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{
"name": "Operating junction temperature (recommended)",
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"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
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"typ": null,
"max": 32,
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{
"name": "VBST1, VBST2 (wrt SWx) (absolute maximum)",
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{
"name": "V5FILT, VFB1, VFB2, TRIP1, TRIP2, VO1, VO2, TEST1, TEST2 input voltage (absolute maximum)",
"symbol": "V5FILT, VFB1, VFB2, TRIP1, TRIP2, VO1, VO2, TEST1, TEST2",
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{
"name": "SW1, SW2 voltage (absolute maximum)",
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"min": -2,
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{
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{
"name": "DRVH1, DRVH2 (wrt SWx) output voltage (absolute maximum)",
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{
"name": "DRVL1, DRVL2, VREG5 output voltage (absolute maximum)",
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"name": "Operating ambient temperature range (absolute maximum)",
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"min": -40,
"typ": null,
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{
"name": "Junction temperature range (absolute maximum)",
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{
"name": "VIN shutdown current... VIN supply current",
"symbol": "IIN",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 450,
"max": 800,
"conditions": "TA = 25°C, VREG5 tied to V5FLT, EN1 = EN2 = 5V, VFB1 = VFB2 = 0.8V, SW1 = SW2 = 0.5V",
"source_page": 5,
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{
"name": "VIN shutdown current",
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"conditions": "TA = 25°C, No load, EN1 = EN2 = 0 V, VREG5 = ON",
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{
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"name": "VFBx threshold voltage (TEST2 = 0 V)",
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