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Contents

README

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TPS259533DSGR

Texas Instruments · Surge Protection Devices (SPDs) · WSON-8-EP(2x2)

TPS259533DSGR from Texas Instruments, in a WSON-8-EP(2x2). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 dVdt output A capacitor from this pin to GND sets the output turn on slew rate; leave floating for fastest turn on slew rate.
2 EN/OVLO input Active low enable for the TPS2595x3 variants; a resistor divider can be used to adjust the overvoltage lockout threshold, do not leave floating.
3 IN power_in Power input
4 IN power_in Power input
5 OUT power_out Power output
6 FLT output Fault event indicator which is pulled low when a fault is detected; it is an open drain output that requires an external pull up resistance.
7 ILM output Dual function pin used to limit and monitor the output current; an external resistor from this pin to GND sets the output current limit, the pin voltage can also be used to monitor the output load current, do not leave floating.
8 GND power_in Ground
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-8-EP(2x2)
Category Circuit Protection
Pins 9

CAD (KiCad official)

  • Symbol: TPS259533DSGR
  • Footprint: Package_SON:WSON-8-1EP_2x2mm_P0.5mm_EP0.9x1.6mm
  • 3D model: WSON-8-EP(2x2) (KiCad packages3D, STEP)
  • 3D model files: tps259533dsgr-etched.step / tps259533dsgr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps259533dsgr.step / tps259533dsgr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (49 pp, sha256 c6982dad9247501e, retrieved 2026-09-22, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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