Power Management

SKU: AF-5391 | Brand: Adafruit

If you're messing around with floppy drives, or disk drives, or other devices that are usually powered with a PC motherboard you'll often see these big 'Molex' connectors used to provide power. They are used to give 5...

SKU: SF-TOL-16886 | Brand: SparkFun

Have you ever needed to power a project while in your car? Now you can without having to drag a computer along with this cost effective 5V, 2.4A USB car charger. These car chargers have a standard USB 'A' connector fo...

SKU: EF-EF03091 | Brand: ElecFreaks

The Wireless Charging Module can be applied in electronic equipments in common use for close wireless charging or power supply. Consisted of a transmitter and insolation coil, it could serve as a replacement for th...

SKU: SF-PRT-15353 | Brand: SparkFun

Sometimes we want our projects on, but sometimes we want to turn them off for a while to save power. The SparkFun Nano Power Timer will run while only consuming minimal power (approximately 35nA) and turn your project...

SKU: DF-DFR0535 | Brand: DFRobot

DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for IoT projects and renewable energy applications.   Solar Power Manager is ...

SKU: AF-1459 | Brand: Adafruit

This inductive charging set provides wireless power transfer using a split-transformer design. The transmitter coil is powered with 9–12 V DC, and the receiver coil outputs 3.3 V DC — no direct wire connection between...

SKU: PL-2833 | Brand: Pololu

The compact (0.5″ × 0.7″) D24V10F9 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 9 V while allowing for a maximum output current of 1 A....

SKU: AF-2789 | Brand: Adafruit

The premise of this MicroUSB to 5.5/2.1mm DC Barrel Jack Adapter is simple. There's a MicroUSB plug on one end and a 5.5mm/2.1mm DC barrel jack with center positive polarity on the other. This allows you ...

SKU: PL-2172 | Brand: Pololu

This style of high-current connector is commonly used with the 7.2V sub-C battery packs that power many RC cars. The connector is keyed so that power cannot be reversed, and a latch secures the connection so that it ...

SKU: TB-SZ2042 | Brand: Little Bird

An inline standard blade fuse holder with an integrated failure indicator lamp that lights up when the fuse blows. This makes it easy to identify a blown fuse, especially in crowded or hard-to-reach wiring locations. ...

SKU: AF-3238 | Brand: Adafruit

This IEEE 802.3af PoE splitter separates power and data from a single PoE Ethernet cable, providing regulated 12VDC at up to 1A on a standard 2.1 mm DC barrel jack alongside a standard Ethernet data connection. It let...

SKU: DF-DFR0362 | Brand: DFRobot

Wireless charging uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which c...

SKU: AF-3310 | Brand: Adafruit

A 5.5×2.1mm DC barrel connector plug for adding a standard power connector to the end of your own wires. The outer shell unscrews to reveal solder terminals and a crimp strain relief, making it easy to wire up custom ...

SKU: SF-PRT-10287 | Brand: SparkFun

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack...

SKU: SF-PRT-10255 | Brand: SparkFun

The LiPower board is based on the incredibly versatile TPS61200 boost converter. The board is configured to be used with a LiPo battery, has solder jumper selectable 5V and 3.3V output, and an under voltage protection...

SKU: SF-PRT-12711 | Brand: SparkFun

The SparkFun USB LiPoly Charger is a single-cell Li-Ion/Li-Polymer battery charging board based on the MCP73831T. It charges 3.7V LiPo cells at a selectable rate of 500 mA or 100 mA via a solder jumper, with power inp...

SKU: SF-PRT-10217 | Brand: SparkFun

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells ...

SKU: TB-MB3563 | Brand: Little Bird

Keep your Eneloop and other Ni-MH batteries charged and ready to go with this lightweight Panasonic charger. It charges both AA and AAA batteries and includes 4× AA Eneloop batteries straight out of the box. Eneloop ...

SKU: PL-2884 | Brand: Pololu

The Pololu D24V150F9 is a high-current synchronous step-down (buck) voltage regulator that converts input voltages up to 40V down to a fixed 9V output. With up to 15 A available output current and typical efficiencies...

SKU: SS-110060062 | Brand: Seeed Studio

The AllPixel PowerTap is a tiny accessory board (under 1" square) that simplifies power injection on long runs of LEDs. When running long LED strips, voltage drops can cause dimming and colour inconsistency — the Powe...