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TPS26602RHFT

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Texas Instruments Surge Protection Devices (SPDs), VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPS26602RHFT

Texas Instruments · Surge Protection Devices (SPDs) · VQFN-24(4x5)

TPS26602RHFT from Texas Instruments, in a VQFN-24(4x5). 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 N.C unconnected No connect pin.
2 N.C unconnected No connect pin.
3 N.C unconnected No connect pin.
4 N.C unconnected No connect pin.
5 N.C unconnected No connect pin.
6 N.C unconnected No connect pin.
7 N.C unconnected No connect pin.
8 IN power_in Power input and supply voltage of the device; all IN pins must be connected together and to the power source, with a recommended operating input range of 4.2 V to 60 V.
9 IN power_in Power input and supply voltage of the device; all IN pins must be connected together and to the power source, with a recommended operating input range of 4.2 V to 60 V.
10 UVLO input Input for setting the programmable undervoltage lockout threshold; an undervoltage event turns off the internal FET and asserts FLT, and connecting it to RTN selects the internal default threshold.
11 N.C unconnected No connect pin.
12 OVP input Input for setting the programmable overvoltage protection threshold (TPS26600/1 only); an overvoltage event turns off the internal FET and asserts FLT, and connecting it to RTN selects the internal default threshold (or the overvoltage clamp response on TPS26602).
13 MODE input Mode selection pin for overload fault response, selecting circuit breaker mode when open, active current limiting with auto-retry when shorted to RTN, or active current limiting with latch-off through a 402 kΩ resistor to RTN.
14 SHDN input Shutdown pin; pulling it below 0.76 V enters low-power shutdown mode, and cycling it resets a device latched off by a fault.
15 RTN passive Reference for the device internal control circuits; RTN must not be connected to GND, as this disables reverse input polarity protection and permanently damages the device.
16 N.C unconnected No connect pin.
17 GND power_in Connect GND to system ground.
18 IMON output Analog current monitor output that sources a scaled-down ratio of the FET current; a resistor from this pin to RTN converts it to voltage, and it may be left floating if unused.
19 ILIM bidirectional A resistor from this pin to RTN sets the overload and short-circuit current limit (R(ILIM) range 5.36 kΩ to 120 kΩ).
20 dVdT bidirectional A capacitor from this pin to RTN sets the output voltage slew rate at start-up (10 nF maximum listed in recommended conditions), and leaving it floating gives the internal 23.9 V/1.6 ms ramp.
21 N.C unconnected No connect pin.
22 FLT output Open-drain fault event indicator that is asserted on fault conditions; leave floating if unused.
23 OUT power_out Power output of the device; all OUT pins must be connected together and to the load.
24 OUT power_out Power output of the device; all OUT pins must be connected together and to the load.
25 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-24(4x5)
Category Circuit Protection
Pins 25

CAD (KiCad official)

  • Symbol: TPS26602RHFT
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x5mm_P0.5mm_EP2.65x3.65mm
  • 3D model: VQFN-24(4x5) (KiCad packages3D, STEP)
  • 3D model files: tps26602rhft-etched.step / tps26602rhft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps26602rhft.step / tps26602rhft.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (55 pp, sha256 fc13f366ed16ead3, retrieved 2026-10-08, 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-5-5 (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