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Contents

README

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TPS26631RGER

Texas Instruments · Surge Protection Devices (SPDs) · VQFN-24(4x4)

TPS26631RGER from Texas Instruments, in a VQFN-24(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN power_in Power input connecting to the drain of the internal FET; operating range 4.5 V to 60 V.
2 IN power_in Power input connecting to the drain of the internal FET; operating range 4.5 V to 60 V.
3 B_GATE output Blocking FET gate driver output that connects to the gate of the external NFET, or is left floating if no external FET is used.
4 DRV output Blocking FET fast pulldown switch drive that connects to the gate of the external pulldown switch, or is left floating if the external N-FET is not used.
5 IN_SYS power_in Power input and supply voltage of the device, connected to the source of the external blocking FET or shorted to IN if no blocking FET is used.
6 UVLO input Input for setting the programmable undervoltage lockout threshold, with an undervoltage event turning off the internal FET and asserting FLT; connect to GND to select the internal default threshold.
7 OVP input Input for setting the programmable overvoltage protection threshold, with an overvoltage event turning off the internal FET and asserting FLT; connect to GND to select the internal default threshold.
8 GND power_in Connect to system ground.
9 dVdT bidirectional A capacitor from this pin to GND sets the output voltage slew rate.
10 ILIM bidirectional A resistor from this pin to GND sets the overload and short-circuit current limit (recommended 3 to 30 kOhm).
11 MODE input Mode selection pin for overload fault response: open latches off, shorted to GND selects auto-retry.
12 SHDN input Shutdown pin; pulling it low puts the device in low power shutdown, and cycling it resets a latched-off fault.
13 IMON output Analog current monitor output sourcing a scaled-down ratio of the internal FET current (27.9 uA/A typical), converted to voltage by a resistor to GND; leave floating if unused.
14 FLT output Open-drain fault event indicator; leave floating or connect to GND if unused.
15 PGTH input PGOOD comparator input.
16 PGOOD output Active-high power-good output that goes high when PGTH crosses the V(PGTHR) threshold and the internal FET is enhanced; connect to GND or leave floating if unused.
17 OUT power_out Power output of the device.
18 OUT power_out Power output of the device.
19 N.C unconnected No connect.
20 N.C unconnected No connect.
21 N.C unconnected No connect.
22 N.C unconnected No connect.
23 N.C unconnected No connect.
24 N.C unconnected No connect.
25 PowerPAD power_in Connect the PowerPAD to the GND plane for heat sinking; do not use it as the only electrical connection to GND.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-24(4x4)
Category Circuit Protection
Pins 25

CAD (KiCad official)

  • Symbol: TPS26631RGER
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: VQFN-24(4x4) (KiCad packages3D, STEP)
  • 3D model files: tps26631rger-etched.step / tps26631rger-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps26631rger.step / tps26631rger.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (60 pp, sha256 63ce6e9453e4499b, retrieved 2026-10-06, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF