Adafruit Power Converters

Reset / Enable Controller - KA75330 3.3V Voltage Detector [AF-3428]

Get it by Thursday, Dec 21st

A voltage detector is handy for projects where you want to make sure your microcontroller doesn't run at a low voltage. For example, say you have a Feather Huzzah running on a lipoly battery every few minutes. Eventually the battery ru...

BooSTick - AA Voltage Booster [AF-3265]

Are you tired of having to accommodate inconvenient power supplies and compromise the mobility and customization of your project? The BooSTick from Rover Development might be just the thing you need! This tiny board allows you to bring t...

USB to 2.1mm DC Booster Cable - 12V [AF-2778]

Get it by Thursday, Dec 21st

This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc) and it will give you a higher DC voltage! It's a handy way to power 12V powered devices w...

USB to 2.1mm DC Booster Cable - 9V [AF-2777]

Get it by Thursday, Dec 21st

This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc) and it will give you a higher DC voltage! It's a handy way to power 9V powered devices wi...

LM3671 3.3V Buck Converter Breakout - 3.3V Output 600mA Max [AF-2745]

Get it by Thursday, Dec 21st

Your power supply problems just got SUPER SOLVED! This 3.3V Buck Converter Breakout board is great for supplying power to low voltage circuits from a single Li-Ion cell battery or USB power.  This chip provides up to 600-mA load current ...

PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A [1000C] [AF-2465]

PowerBoost 1000C is the perfect power supply for your portable project! With a built-in load-sharing battery charger circuit, you'll be able to keep your power-hungry project running even while recharging the battery! This little DC/DC...

5.0V 250mA Linear Voltage Regulator - L4931-5.0 TO-92 [AF-2236]

Get it by Thursday, Dec 21st

Need a nice little 5V regulator? We rather like the very-low-dropout L4931 from ST! This little guy will help you get your 5.5-20V battery or wall adapter down to a nice clean 5V with 2% regulation. Perfect for just about all electroni...

5V 1.5A Linear Voltage Regulator - 7805 TO-220 [AF-2164]

Ah the venerable 7805, who amongst us has not used this popular linear regulator? This big chunky regulator will help you get your 7-35V battery or wall adapter down to a nice clean 5.0V with 2% regulation. Perfect for just about all e...

3.3V 800mA Linear Voltage Regulator - LD1117-3.3 TO-220 [AF-2165]

Get it by Thursday, Dec 21st

Ah the esteemed LD1117, who amongst us has not used this popular low drop voltage regulator? This big chunky regulator will help you get your 4-15V battery or wall adapter down to a nice clean 3.3V with 1% regulation. Perfect for just ...

3.3V 250mA Linear Voltage Regulator - L4931-3.3 TO-92 [AF-2166]

Get it by Tuesday, Dec 12th

Need a nice little 3.3V regulator? We rather like the very-low-dropout L4931 from ST! This little guy will help you get your 4-20V battery or wall adapter down to a nice clean 3.3V with 2% regulation. Perfect for just about all electro...