component

TPS61194PWPRQ1

Public Made by Adom

by adom

Texas Instruments LED Drivers, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPS61194PWPRQ1

Texas Instruments · LED Drivers · HTSSOP-20-EP

TPS61194PWPRQ1 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 VIN power_in Input power pin.
2 LDO power_out Output of internal LDO; connect a 1-μF decoupling capacitor between this pin and noise-free GND.
3 FSET input DC-DC (boost or SEPIC) switching frequency setting resistor; for normal operation, resistor value from 24 kΩ to 219 kΩ must be connected between this pin and ground.
4 VDDIO/EN power_in Enable input for the device as well as supply input (VDDIO) for digital pins.
5 FAULT output Fault signal output; if unused, the pin may be left floating.
6 SYNC input Input for synchronizing boost; if synchronization is not used, connect this pin to GND to disable spread spectrum or to VDDIO/EN to enable spread spectrum.
7 PWM input PWM dimming input.
8 NC unconnected No connect.
9 GND power_in Ground.
10 ISET input LED current setting resistor; for normal operation, resistor value from 24 kΩ to 129 kΩ must be connected between this pin and ground.
11 GND power_in Ground.
12 OUT4 output Current sink output; this pin must be connected to GND if not used.
13 OUT3 output Current sink output; this pin must be connected to GND if not used.
14 OUT2 output Current sink output; this pin must be connected to GND if not used.
15 OUT1 output Current sink output; this pin must be connected to GND if not used.
16 FB input DC-DC (boost or SEPIC) feedback input; for normal operation this pin must be connected to the middle of a resistor divider between VOUT and ground using feedback resistor values from 5 kΩ to 150 kΩ.
17 PGND power_in DC-DC (boost or SEPIC) power ground.
18 SW output DC-DC (boost or SEPIC) switch pin.
19 NC unconnected No connect.
20 VIN power_in Input power pin.
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 Nixie Tube Driver/LED Driver
Pins 21

CAD (KiCad official)

  • Symbol: TPS61194PWPRQ1
  • 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: tps61194pwprq1-etched.step / tps61194pwprq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps61194pwprq1.step / tps61194pwprq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (35 pp, sha256 c2b5f35576d14f00, retrieved 2026-10-05, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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