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Contents

README

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TPS73HD325PWPR

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · HTSSOP-28

TPS73HD325PWPR from Texas Instruments, in a HTSSOP-28. 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 NC unconnected No internal connection
2 NC unconnected No internal connection
3 1GND power_in Regulator #1 ground reference
4 1EN input Regulator #1 enable control input, active low (VIL 0.5 V, VIH 2 V)
5 1IN power_in Regulator #1 input supply voltage, 2.97 to 10 V recommended operating range
6 1IN power_in Regulator #1 input supply voltage, 2.97 to 10 V recommended operating range
7 NC unconnected No internal connection
8 NC unconnected No internal connection
9 2GND power_in Regulator #2 ground reference
10 2EN input Regulator #2 enable control input, active low (VIL 0.5 V, VIH 2 V)
11 2IN power_in Regulator #2 input supply voltage, 3.97 to 10 V recommended operating range
12 2IN power_in Regulator #2 input supply voltage, 3.97 to 10 V recommended operating range
13 NC unconnected No internal connection
14 NC unconnected No internal connection
15 NC unconnected No internal connection
16 NC unconnected No internal connection
17 2OUT power_out Regulator #2 output voltage, 3.3 V nominal at 0 to 750 mA maximum current
18 2OUT power_out Regulator #2 output voltage, 3.3 V nominal at 0 to 750 mA maximum current
19 2SENSE input Regulator #2 output voltage remote sense input for fixed output regulation
20 NC unconnected No internal connection
21 NC unconnected No internal connection
22 2RESET output Regulator #2 reset signal output, active low with 200 ms pulse width
23 1OUT power_out Regulator #1 output voltage, 2.5 V nominal at 0 to 750 mA maximum current
24 1OUT power_out Regulator #1 output voltage, 2.5 V nominal at 0 to 750 mA maximum current
25 1FB/SENSE input Regulator #1 output voltage remote feedback input for adjustable output regulation
26 NC unconnected No internal connection
27 NC unconnected No internal connection
28 1RESET output Regulator #1 reset signal output, active low with 200 ms pulse width
29 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HTSSOP-28
Category Power Management (PMIC)
Pins 29

CAD (KiCad official)

  • Symbol: TPS73HD325PWPR
  • Footprint: Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm
  • 3D model: HTSSOP-28 (KiCad packages3D, STEP)
  • 3D model files: tps73hd325pwpr-etched.step / tps73hd325pwpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps73hd325pwpr.step / tps73hd325pwpr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (36 pp, sha256 ccbd9c0cdf919222, retrieved 2026-10-05, tier: lcsc)
  • 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