component
LM2903BQPWRQ1
Public Made by Adomby adom
Texas Instruments Comparators, TSSOP-8. Pinout cross-checked by two models against the datasheet, 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
markdownLM2903BQPWRQ1
Texas Instruments · Comparators · TSSOP-8
LM2903BQPWRQ1 from Texas Instruments, in a TSSOP-8. 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 | 1OUT | output | Comparator 1 output pin; open-collector output compatible with TTL/MOS/CMOS, maximum 25 mA sink current. |
| 2 | 1IN- | input | Negative input of comparator 1; supports differential input range ±36V with common-mode range including ground. |
| 3 | 1IN+ | input | Positive input of comparator 1; supports differential input range ±36V with common-mode range including ground. |
| 4 | GND | power_in | Ground reference. |
| 5 | 2IN+ | input | Positive input of comparator 2; supports differential input range ±36V with common-mode range including ground. |
| 6 | 2IN- | input | Negative input of comparator 2; supports differential input range ±36V with common-mode range including ground. |
| 7 | 2OUT | output | Comparator 2 output pin; open-collector output compatible with TTL/MOS/CMOS, maximum 25 mA sink current. |
| 8 | VCC | power_in | Positive supply voltage, operating range 2V to 36V for LM2903B-Q1. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
LM2903BQPWRQ1 - Footprint:
Package_SO:TSSOP-8_3x3mm_P0.65mm - 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
lm2903bqpwrq1-etched.step/lm2903bqpwrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2903bqpwrq1.step/lm2903bqpwrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (47 pp, sha256
765b5f97d419335c, retrieved 2026-10-07, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).