component
LSF0108QPWRQ1
Public Made by Adomby adom
Texas Instruments Translators, Level Shifters, TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLSF0108QPWRQ1
Texas Instruments · Translators, Level Shifters · TSSOP-20
LSF0108QPWRQ1 from Texas Instruments, in a TSSOP-20. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | GND | power_in | Ground; negative supply reference for the device. |
| 2 | Vref_A | power_in | Reference power supply voltage for A-side; 0.85V to (Vref_B - 0.6V) operating range for PW package. |
| 3 | A1 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 4 | A2 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 5 | A3 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 6 | A4 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 7 | A5 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 8 | A6 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 9 | A7 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 10 | A8 | bidirectional | Bidirectional I/O data port on A-side; 0V to 5.5V voltage range; supports automatic level conversion with B-side channels. |
| 11 | B8 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 12 | B7 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 13 | B6 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 14 | B5 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 15 | B4 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 16 | B3 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 17 | B2 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 18 | B1 | bidirectional | Bidirectional I/O data port on B-side; 0V to 5.5V voltage range; supports automatic level conversion with A-side channels. |
| 19 | Vref_B | power_in | Reference power supply voltage for B-side; (Vref_A + 0.6V) to 5.5V operating range. |
| 20 | EN | input | Switch enable input; 1.5V to 5.5V enable voltage; connected to Vref_B with 200kΩ bias resistor; low level disables all I/O ports. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-20 |
| Category | Logic |
| Pins | 20 |
CAD (KiCad official)
- Symbol:
LSF0108QPWRQ1 - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
lsf0108qpwrq1-etched.step/lsf0108qpwrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lsf0108qpwrq1.step/lsf0108qpwrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (34 pp, sha256
02418a005bc2e704, retrieved 2026-09-23, 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 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).