SparkFun LiPo Fuel Gauge - MAX17043

SparkFun LiPo Fuel Gauge (TOL-20680)

LiPo batteries are a great way to power your projects. They’re small, lightweight, and pack a good punch for their size. Unfortunately, even the best batteries eventually run low on power, and when they do it’s often unexpected (and at the worst time). Don’t be caught by surprise next time your board suddenly powers down!

The SparkFun LiPo Fuel Gauge connects your battery to your project and uses a sophisticated algorithm to detect the relative state of charge and direct A/D measurement of battery voltage. In other words, it tells your microcontroller how much ‘fuel’ is left in the tank. The LiPo Fuel Gauge communicates with your project over I²C and an alert pin also tells you when the charge has dropped below a certain percentage.

Repository Contents

• /Firmware - Example C code
• /Hardware - Eagle design files (.brd, .sch)
• /Production - Production panel files (.brd)

Documentation

• Particle Photon Library - Particle Library for the MAX17043 that is used in the SparkFun Photon Battery Shield.
• Arduino Project Example - Arduino project example that uses the MAX17043 in the Wireless Joystick Kit.
• SparkFun Arduino Library - SparkFun Arduino library
• Arduino Library - Arduino library from user “porrey.” This is another Arduino library that is available.
• SparkFun Fritzing repo - Fritzing diagrams for SparkFun products.
  • TOL-20680
  • TOL-10617
• SparkFun 3D Model repo - 3D models of SparkFun products.
• Hookup Guide - Basic hookup guide for the MAX17043 and MAX17048.

Product Versions

• TOL-20680 - v1.2
• TOL-10617 - Initial Release, v1.1

License Information

This product is open source!

The hardware is released under Creative Commons ShareAlike 4.0 International.

The code is beerware; if you see me (or any other SparkFun employee) at the local, and you’ve found our code helpful, please buy us a round!

Please use, reuse, and modify these files as you see fit. Please maintain attribution to SparkFun Electronics and release anything derivative under the same license.

Distributed as-is; no warranty is given.

• Your friends at SparkFun.