Voltage Regulators & Converters

SKU: AF-4920 | Brand: Adafruit

This little buck converter based on the TPS62827 is super handy, taking up to 5.5V input and providing a 3.3V output with up to 2A current. It's great for supplying power to hungry 3.3V voltage circuits from a range o...

SKU: AF-4711 | Brand: Adafruit

The AP3429A Buck Converter Breakout steps down 3.4–5.5V input to a stable 3.3V output at up to 1.2A, with 90–95% efficiency. It's ideal for powering 3.3V circuits from LiPo batteries, 3× alkaline cells, or USB power s...

SKU: DF-DFR0913 | Brand: DFRobot

This DFRobot 4-channel optocoupler-isolated level converter translates 12V signals down to 3.3V, making it easy to interface industrial sensors and PLC outputs with Arduino, Raspberry Pi, and other 3.3V microcontrolle...

SKU: SF-COM-23979 | Brand: SparkFun

Does your microcontroller need to control a high-voltage item, like a 12V LED strip, while also needing to be powered? Do you want to avoid having multiple power adapters and microcontrollers for your project? The MOS...

SKU: AF-5637 | Brand: Adafruit

The Adafruit QT 5V to 3V Shifter Breakout lets you safely connect 3.3 V STEMMA QT / Qwiic sensors to 5 V microcontrollers like the Arduino Uno. Many I2C sensors and Qwiic-compatible devices are not 5 V safe — connecti...

SKU: DF-DFR0911 | Brand: DFRobot

The 2-Channel Level Converter translates 12V signals down to 3.3V using optocoupler isolation, making it easy to interface industrial sensors and PLC signals with 3.3V microcontrollers like Arduino. It supports common...

SKU: AF-4683 | Brand: Adafruit

This little buck converter based on the MPM3610 is a marvel, taking up to 21V input and providing a 3.3V output with up to 1.2A current. It's great for supplying power to popular 3.3V voltage circuits from a range of ...

SKU: SF-PRT-28203 | Brand: SparkFun

  The SparkFun Qwiic 5V Boost simplifies interfacing 5V I2C devices with the 3.3V Qwiic ecosystem. It takes the 3.3V I2C signals and power from its Qwiic connectors and boosts them to 5V, available on the PTH...

SKU: SF-COM-21337 | Brand: SparkFun

The SparkFun 3.3V Buck Regulator Breakout features the AP3429A from Diodes Inc., a 2A step-down DC-DC converter with an input voltage range of 2.7V to 5.5V. This full-size, 1in. x 1in. version of our buck regulator bo...

SKU: SF-SPX-18621 | Brand: SparkFun

An intelligent power board for the smôl ecosystem that boosts the voltage from one or two AAA or AA cells up to 3.3V. Features a TPS61200 boost regulator and an ATtiny43U microcontroller that enables deep sleep for th...

SKU: SF-PRT-21297 | Brand: SparkFun

This compact regulator board makes it easy to power breadboard projects from a 6-12V supply. It provides a selectable regulated output of either 5V or 3.3V, making it handy for quick prototyping with common microcontr...

SKU: DF-DFR0535-1 | Brand: DFRobot

Build a compact off-grid power supply for embedded electronics, IoT nodes and low-power projects with this solar power management kit from DFRobot. It combines a Solar Power Manager board for 9V/12V/18V panels with a ...

SKU: SF-COM-30226 | Brand: SparkFun

The MIC5205 is an efficient fixed positive linear voltage regulator for providing a regulated 3.3V output at up to 150mA. It is designed for low-noise performance and low dropout operation, with typical dropout voltag...

SKU: SF-COM-18357 | Brand: SparkFun

Who doesn't occasionally need power regulation? We certainly do, so we've designed the SparkFun BabyBuck Regulator Breakout to help us with just such a task. Featuring the AP63203 from Diodes Inc, this breakout board ...

SKU: AF-6092 | Brand: Adafruit

The Adafruit bq25185 is an all-in-one charging and power supply board that supports USB, DC, and solar charging with an integrated 3.3V buck converter. It is an excellent upgrade from MCP73833 or MCP73831-based charge...

SKU: SF-COM-18356 | Brand: SparkFun

Who doesn't occasionally need power regulation? We certainly do, so we've designed the SparkFun Buck Regulator Breakout to help us with just such a task. Featuring the AP63203 from Diodes Inc, this breakout board take...