Fuse Breakout Kit - module with a fuse

Module with a step-up converter with an input voltage from 10 V to 32 V and an adjustable output voltage from 15 V to 32 V. It has a maximum power of 150 W

AP3429A DC-DC Step-Down Converter Module with 3.3 V output voltage, 3.9 to 5.5 V input voltage and 2 A maximum output current. SparkFun COM-21337

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40 V and efficiently reduces it to 6 V with an available output current of around 15 A. Pololu 2882

Power multiplexer based on Texas Instruments TPS2113A. It enables smooth switching between two power sources from 2.8 V to 5.5 V. Pololu 2596

Adapter with 3.3V voltage regulator designed for NRF24L01 modules with 8-pin connector

Step-Up converter module XL6009 with adjustable output voltage from 1.3 to 35 V, input voltage from 3.8 to 32 V and a maximum output current of 3 A

The Step-Down D24V6AHV Buck Voltage Regulator module with adjustable output voltage in the range of 4-25V with a wide input voltage range of 4.5-42V and a maximum output current of 600 mA. Pololu 2104

The power module is designed for the MyoWare 2.0 muscle tension sensor. Equipped with a LiPo battery, it allows you to build portable devices. SparkFun DEV-18427

A switching converter that regulates 24V voltage from an input range of 2.6V to 20V. It offers high efficiency of 70-95% and the ability to operate with a continuous input current of up to 900mA and a peak current limit of 2.2A. With a switching frequency of 1.6MHz and a power-saving mode, it is suitable for both high-performance and low-power applications. Pololu 5588

An efficient step-down converter that reduces the input voltage to 3.3 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltages from 3.3 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5372

The protection circuit for one Li-Ion cell with a voltage of 3.7 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 6 A

This step-down converter module allows you to reduce the voltage from 3.5-60V to a stable 3.3V at a current of up to 12A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5670

BMS protection circuit designed for 5 Li-Ion cells. It has a charging function with balancer option, a discharging function and an over-discharge protection function. HXYP-C47-MA18-5S

Step-Up converter with an output voltage of 5 to 28 V, an input voltage of 2 to 24 V and a maximum current of 2 A

Power module based on a DC-DC Step-Down converter with a current efficiency of up to 20 A. The output voltage is adjustable in the range from 0 V to 50 V. The power supply offers power up to 1000 W. WZ5020L

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 12 V and a maximum output of 2.5 A to 3.5 A. Pololu 4985