# TPS62903QRYTRQ1 (Component)

## Description

Synchronous Buck Converter — The TPS62903QRYTRQ1 is a 3\-A automotive synchronous step\-down DC/DC converter supporting 3\-V to 18\-V input and configurable 0\.4\-V to 5\.5\-V output\. It features 4\-µA typical quiescent current, selectable 1\-MHz/2\.5\-MHz switching, ±1\.5% output accuracy, AEC\-Q100 qualification, and overcurrent/overtemperature protection\. Typical applications include ADAS, body electronics, lighting, infotainment, and automotive powertrain systems\. \#PowerManagement \#DCDCConverter \#BuckConverter \#Automotive \#TexasInstruments \#TPS62903Q1

## Component Details

- **Owner:** silicon\-yard
- **Created:** 8/24/2026
- **Last Updated:** 8/24/2026
- **Visibility:** Public
- **Package or Case Code:**  9\-VQFN\-HR \(2\.2x2\)
- **Manufacturer Name:** Texas Instruments
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/1cdb692d9e5d716c7fd8c8b6f27a5cde11360f83e62c43639fd8e5951f64abee\.pdf
- **Part Type:** Switching Voltage Regulator
- **Symbol Style:** parametric\-v1
- **License:** https://creativecommons\.org/licenses/by/4\.0/
- **Manufacturer Part Number:** TPS62903QRYTRQ1

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/tps62903qrytrq1/texas-instruments.html?utm_currency=USD&region=nac) | N/A | N/A |
| [Digi\-Key](https://www.digikey.com/en/products/detail/texas-instruments/TPS62903QRYTRQ1/19236246) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C20345985.html) | $8\.6205 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Texas-Instruments/TPS62903QRYTRQ1?qs=xZFQr2mActcB33myo23omw%253D%253D) | $2\.24 | 0 |

- **Part Type:** Electromechanical Components
- **Manufacturer:** Texas Instruments
- **MPN:** TPS62903QRYTRQ1
- **Package / Case Code:** VQFN
- **Pin Count:** 13
- **Compliance:** AEC\-Q100
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | PG | Open Collector |
| 2 | SW | Power Out |
| 3 | VOS\_1 | Input |
| 4 | GND\_1 | Ground |
| 5 | EN | Input |
| 6 | VIN | Power In |
| 7 | MODE/S\-CONF\_1 | Input |
| 8 | SS/TR | Input |
| 9 | FB/VSET\_1 | Input |
| 10 | VOS\_2 | Input |
| 11 | GND\_2 | Ground |
| 12 | MODE/S\-CONF\_2 | Input |
| 13 | FB/VSET\_2 | Input |

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*Generated from [https://flux\.ai/silicon\-yard/tps62903qrytrq1\~ii](https://flux.ai/silicon-yard/tps62903qrytrq1~ii)*