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TPS75101QPWPR

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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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TPS75101QPWPR

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

TPS75101QPWPR 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 can be connected to GND or left floating.
2 NC unconnected Not connected.
3 IN power_in Input voltage terminal with an absolute maximum VIN range of -0.3 V to +6 V; a 0.22 µF to 1 µF input bypass capacitor should be placed as close to the input pins as possible.
4 IN power_in Input voltage terminal with an absolute maximum VIN range of -0.3 V to +6 V; a 0.22 µF to 1 µF input bypass capacitor should be placed as close to the input pins as possible.
5 EN input Negative-polarity enable input: the device is enabled when EN is logic low and shut down when EN is logic high, with an absolute maximum EN voltage of -0.3 V to +16.5 V.
6 PG/RESET output On the TPS751xxQ this is an open-drain, active-high power-good output that goes high impedance when VOUT reaches 83% of the regulated voltage, requires a pullup resistor, and has a 16.5 V maximum rating.
7 FB/SENSE input On the adjustable TPS75101 this is the feedback input that sets the output voltage (programmable from 1.5 V to 5 V) against the internal 1.1834 V reference; on fixed-output versions it is the SENSE input and must connect to the output as short as possible.
8 OUTPUT power_out Regulated output voltage with an absolute maximum OUT voltage range of 5.5 V; an output capacitor of at least 47 µF with ESR between 100 mΩ and 10 Ω is required between OUT and GND.
9 OUTPUT power_out Regulated output voltage with an absolute maximum OUT voltage range of 5.5 V; an output capacitor of at least 47 µF with ESR between 100 mΩ and 10 Ω is required between OUT and GND.
10 GND/HEATSINK power_in Ground/heatsink terminal connected directly to the mount pad for thermal-enhanced operation; it can 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 can 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 pin 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 can 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: TPS75101QPWPR
  • 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: tps75101qpwpr-etched.step / tps75101qpwpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps75101qpwpr.step / tps75101qpwpr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 b617566af7058336, 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