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NomDeTom / BQ25185-notes.md
Created January 8, 2026 22:56 — forked from somebox/BQ25185-notes.md
BQ25185 Community Reference Notes

BQ25185 Community Reference Guide

This guide is a summary of collective knowledge, best practices, and troubleshooting tips for the Texas Instruments BQ25185 linear battery charger, based on community forum discussions. It is intended to supplement, not replace, the official datasheet.

1. Overview & Key Specifications

The BQ25185 is a standalone, single-cell (1S) Li-Ion/Li-Po/LiFePO4 linear battery charger. Its key characteristic is the integrated power path, which allows it to power a system load while simultaneously and independently charging the battery.

  • Charger Type: Linear Charger (standalone, resistor-configurable)
  • Battery Chemistry: Single-Cell (1S) Li-Ion, Li-Po, LiFePO4
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NomDeTom / bq25895-notes.md
Created January 8, 2026 22:55 — forked from somebox/bq25895-notes.md
BQ25895 Supplemental Community guide

This is a supplemental reference guide for the bq25895, focused on practical advice, common problems, and information that goes beyond the core datasheet. It was created by summarizing forum and article posts and processed with a Gemini 2.5 pro documentation workflow.

bq25895 Supplemental Community Guide

For Circuit Designers and Firmware Engineers

A Note on This Guide

This document is intended as a companion to the official Texas Instruments datasheet, not a replacement. The datasheet provides the fundamental specifications and operational principles. This guide consolidates community knowledge, best practices, and lessons learned from real-world implementations to help you avoid common pitfalls and accelerate your design process.

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NomDeTom / tps2121-guide.md
Created January 8, 2026 22:55 — forked from somebox/tps2121-guide.md
Ti TPS2121 Power Mux Guide

TPS2121 Unified Reference Guide

Community-sourced design insights and troubleshooting for the TI TPS2121 power multiplexer

Device Overview

The TPS2121 is a 2:1 power multiplexer with break-before-make switching (2.8-22V, 4.5A, 56mΩ). Unlike ideal diodes, it actively manages input selection based on programmable priority logic while providing integrated protection.

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NomDeTom / tps61033-notes.md
Created January 8, 2026 22:55 — forked from somebox/tps61033-notes.md
Guide to Using the TSP61033 Boost Converter IC

TPS61033 Community Reference Guide

This guide summarizes key design considerations, best practices, and common issues for the TPS61033 boost converter, based on collective notes from datasheets, application notes, and community discussions.

1. Overview and Core Functionality

The TPS61033 is a high-efficiency synchronous boost converter. It's frequently used in battery-powered applications to step-up a lower input voltage (e.g., from a Li-ion battery) to a stable, higher output voltage (e.g., 5V).

  • Key Application: Boosting 3.3V-4.2V inputs to a 5V output.
  • Performance: Capable of delivering up to 3A output current at 5V from a 3.7V input, provided the layout is optimal and the input supply is robust.