Lithium Coin Cell Charger for Rechargeable Coin Batteries
USB

Lithium Coin Cell Charger for Rechargeable Coin Batteries

This versatile charger has been designed to charge Lithium Coin Cell Rechargeable CR2016/CR2025/CR2032 Coin Batteries. Just insert the battery to the holder, and plug in to any USB port to recharge, D3 Power LED, D1 LED indicates the charge cycle. The board has been designed to use dual...

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BQ25619 I2C-Controlled 1.5 A Single-Cell Buck Battery Charger
IC

BQ25619 I2C-Controlled 1.5 A Single-Cell Buck Battery Charger

Texas Instruments' power-path management solution features 20 mA termination and 1 A boost operation Texas Instruments' BQ25619 integrates charge, a boost converter, and voltage protection in a single device. It offers ultra-low termination current for switching chargers to charge...

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2.533
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Li-Po/Li-Ion Arduino Charger Shield using BQ21040
Arduino

Li-Po/Li-Ion Arduino Charger Shield using BQ21040

This Li-Po/Li-ion Arduino charger shield is mainly designed to power up the Arduino from single 3.6V Li-Po battery. Li-Ion and Li-Pol Charger/ DC-DC Boost converter Arduino shield provides 6.5V/400mA from single Lithium Polymer battery. The Arduino shield is equipped with BQ21040...

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2.433
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How to shrink your USB Type-C battery charger [PDF]
USB

How to shrink your USB Type-C battery charger [PDF]

Maxim’s app note on a highly compact Type-C charger solution. A highly integrated solution, as seen with the MAX77860 USB Type-C 3A switch-mode charger, dramatically reduces system complexity by integrating the charger, the power path, the Safeout LDO, ADC, and the USB-C CC and BC...

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1.793
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makerPower Solar – An intelligent solar power system for the internet of things.
Photovoltaic

makerPower Solar – An intelligent solar power system for the internet of things.

makerPower Solar is a combination intelligent solar battery charger and power supply for low- to medium-power devices freeing them from the outlet. It is designed to provide 24/7 power for a wide range of embedded systems and IoT gadgets. According to Julio: Optimal charging is...

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3.760
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BrainDead MPPT Solar charger 35V/8A
Photovoltaic

BrainDead MPPT Solar charger 35V/8A

Simple solar charger 35V/8A with automatic MPPT supporting SLA/Li-Ion/LiFePO4 up to 8s. by Adam Lučanský: PCB DIN-rail mountable MPPT solar charger (software-less), as well as ideal-diode prioritizer (if battery is full, load is powered directly from solar panel without cycling...

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3.950
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Low-current charger provides battery backup from USB to 1-cell applications
Power

Low-current charger provides battery backup from USB to 1-cell applications

Another app note from Maxim Integrated on small current battery management.The circuit provides a 1-cell Li ion backup battery charger for low-current devices performing resistor limited current sharing. A simple circuit sometimes needs to charge a 1-cell Lithium-ion (Li+) battery from...

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1.985
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ATmega32U4-Based Synchronous MPPT Buck Solar Charger
Photovoltaic

ATmega32U4-Based Synchronous MPPT Buck Solar Charger

You want to maximize the power output of your solar panel? Then you need a maximum power point tracking charge controller! Source files here. Features: Programmable with Arduino IDE Input voltage: 15 - 22V Output voltage: 1 - 14.4V Simple MPPT (Maximum Power Point...

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4.385
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