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TPS77701PWPR

Public Made by Adom

by adom

Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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package.json tps77701pwpr: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
page.json tps77701pwpr: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
README.md Publish 0.1.0 · Ray 22d ago
tps77701pwpr-etched.glb tps77701pwpr: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
tps77701pwpr-etched.step tps77701pwpr: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
tps77701pwpr-hero.glb tps77701pwpr: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
tps77701pwpr-hero.overlay.json tps77701pwpr: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
tps77701pwpr.glb plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago
tps77701pwpr.kicad_mod Publish 0.1.0 · Ray 22d ago
tps77701pwpr.kicad_sym Publish 0.1.0 · Ray 22d ago
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tps77701pwpr.step plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago

TPS77701PWPR

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

TPS77701PWPR 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/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
2 GND/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
3 GND power_in Regulator ground.
4 NC unconnected No internal connection.
5 EN input Enable input; a TTL high signal shuts the regulator down, and EN should be tied to ground if the shutdown feature is not used.
6 IN power_in Input voltage to the regulator.
7 IN power_in Input voltage to the regulator.
8 NC unconnected No internal connection.
9 GND/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
10 GND/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
11 GND/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
12 GND/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
13 OUT power_out Regulated output; requires a minimum 10 µF output capacitor to GND with ESR between 50 mΩ and 1.5 Ω for stability.
14 OUT power_out Regulated output; requires a minimum 10 µF output capacitor to GND with ESR between 50 mΩ and 1.5 Ω for stability.
15 FB/NC input Feedback input that senses the output voltage for the adjustable TPS77701 (programmable 1.5 V to 5.5 V); no connect on fixed-output options.
16 RESET output Open-drain RESET output that signals an undervoltage condition on the regulated output, with a 200 ms delay on the reset release.
17 NC unconnected No internal connection.
18 NC unconnected No internal connection.
19 GND/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
20 GND/HSINK power_in Ground/heatsink terminal tied to regulator ground and used for heat sinking through the PowerPAD.
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: TPS77701PWPR
  • 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: tps77701pwpr-etched.step / tps77701pwpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps77701pwpr.step / tps77701pwpr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (28 pp, sha256 011757d41db41f42, 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