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TPS2394PWR

Public Made by Adom

by adom

Texas Instruments Supervisor And Reset ICs, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPS2394PWR

Texas Instruments · Supervisor And Reset ICs · TSSOP-14

TPS2394PWR from Texas Instruments, in a TSSOP-14. 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 RTN power_in Supply return and positive supply input for negative-voltage systems, connected directly to the input bus return node, with an absolute maximum range of -0.3 V to 100 V.
2 FLT output Open-drain, active-low fault indication, pulled to SOURCE, able to sink 10 mA in fault and withstand 80 V without leakage when not faulted.
3 UV input Under-voltage comparator input with a 1.4 V threshold referenced to SOURCE; the linear current amplifier is enabled when UV is more than 1.4 V above SOURCE, and it can also serve as an active-high logic enable.
4 OV input Over-voltage comparator input with a 1.4 V threshold referenced to SOURCE; the linear current amplifier is enabled when OV is less than 1.4 V above SOURCE, and it can also serve as an active-low logic enable.
5 FLTTIM bidirectional Fault timer pin, with an external capacitor from FLTTIM to SOURCE setting the fault timeout; the capacitor is charged to the 4-V fault threshold (3.75 V to 4.25 V) and then discharged at about 1% of the charge rate to set the retry duty cycle.
6 RAMP bidirectional Inrush slew-rate programming input, with an external capacitor from RAMP to SOURCE that sets the turn-on current slew rate; when fully charged RAMP can exceed SOURCE by 6 V, and the sense reference is clamped to 42 mV.
7 SOURCE power_in Connection to the negative input supply rail and the reference for the UV, OV, FLTTIM, RAMP, and FLT/PG thresholds; the recommended supply is -12 V to -80 V with -48 V nominal.
8 NC unconnected Not connected; leave floating.
9 NC unconnected Not connected; leave floating.
10 SENSE input Positive current sense input; an external low-value resistor between SENSE and SOURCE sets the current limit, with the linear current amplifier regulating SENSE to 42 mV and an overload threshold of 120 mV that bypasses the fault timer.
11 GAT output Gate drive for the external N-channel protection MOSFET, which is driven up to 14 V above SOURCE when fully enhanced and pulled low during faults, with a sink current of 30 mA min in fault.
12 PG output Open-drain, active-high power-good output that goes high when the pass MOSFET is fully enhanced and load current is below the current limit; it is pulled to SOURCE, can sink 10 mA, and withstands 80 V without leakage when power is not good.
13 NC unconnected Not connected; leave floating.
14 NC unconnected Not connected; leave floating.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-14
Category Power Management (PMIC)
Pins 14

CAD (KiCad official)

  • Symbol: TPS2394PWR
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: tps2394pwr-etched.step / tps2394pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps2394pwr.step / tps2394pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (23 pp, sha256 6e464d424e04733d, retrieved 2026-10-11, tier: manufacturer)
  • 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