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TPS75418QPWPR

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · HTSSOP-20-EP

TPS75418QPWPR from Texas Instruments, in a HTSSOP-20-EP. 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 GND/HEATSINK power_in Ground/heatsink terminal connected directly to the mount pad for thermal-enhanced operation; it may be connected to GND or left floating.
2 NC unconnected Not connected.
3 IN power_in Input voltage; absolute maximum VIN is -0.3 V to +6 V, and an input bypass capacitor of 0.22 µF to 1 µF should be placed as close to the input pins as possible.
4 IN power_in Input voltage; absolute maximum VIN is -0.3 V to +6 V, and an input bypass capacitor of 0.22 µF to 1 µF should be placed as close to the input pins as possible.
5 EN input Enable input: a logic low enables the device and a logic high shuts it down; the absolute maximum voltage at EN is -0.3 V to +16.5 V.
6 RESET/PG output Open-drain active-high power-good (PG) output on the TPS754xxQ, which goes high-impedance when VOUT reaches 83% of its regulated voltage and requires an external pullup resistor; absolute maximum PG voltage is 16.5 V.
7 FB/SENSE input Feedback input for the adjustable version (connected to an external resistor divider, Vref 1.1834 V) and sense input for fixed-output versions, which must be connected as short as possible to the regulator output; the absolute maximum voltage at OUT and FB is 5.5 V.
8 OUTPUT power_out Regulated output voltage with 2% tolerance over specified line, load and temperature; the output needs at least 47 µF with ESR between 100 mΩ and 10 Ω, and peak output current is internally limited.
9 OUTPUT power_out Regulated output voltage with 2% tolerance over specified line, load and temperature; the output needs at least 47 µF with ESR between 100 mΩ and 10 Ω, and peak output current is internally limited.
10 GND/HEATSINK power_in Ground/heatsink terminal connected directly to the mount pad for thermal-enhanced operation; it may be connected to GND or left floating.
11 GND/HEATSINK power_in Ground/heatsink terminal connected directly to the mount pad for thermal-enhanced operation; it may be connected to GND or left floating.
12 NC unconnected Not connected.
13 NC unconnected Not connected.
14 NC unconnected Not connected.
15 NC unconnected Not connected.
16 NC unconnected Not connected.
17 GND power_in Ground reference for the regulator.
18 NC unconnected Not connected.
19 NC unconnected Not connected.
20 GND/HEATSINK power_in Ground/heatsink terminal connected directly to the mount pad for thermal-enhanced operation; it may be connected to GND or left floating.
21 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HTSSOP-20-EP
Category Power Management (PMIC)
Pins 21

CAD (KiCad official)

  • Symbol: TPS75418QPWPR
  • Footprint: Package_SO:TSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP2.15x3.35mm
  • 3D model: HTSSOP-20-EP, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.2 mm nominal TSSOP height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: tps75418qpwpr-etched.step / tps75418qpwpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps75418qpwpr.step / tps75418qpwpr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 ddac75f3b3fd04bf, retrieved 2026-10-11, tier: lcsc)
  • 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