Benchtop Power Board - power adapter with ATX connector

The S9V11F5 switching step-up/step-down regulator efficiently produces 5V from input voltages between 2V and 16V. Pololu 2836

Step-Down converter with an output voltage of 5 V, an input voltage of 7 to 26 V and a maximum current of 3 A

The Step-Down D24V3F3 Buck Voltage Regulator module gives the output voltage of 3,3V with a wide input voltage range of 4.3-42V and a maximum output current of 300 mA. Pololu 2097

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 6 V and a maximum input of up to 2 A. Pololu 4942

The Step-Down converter module on the MP1584EN chip converts the 4.5-28V input voltage to 12V output voltage with a maximum current of 3A and an efficiency of up to 92%. It is a compact device measuring 22 x 17 x 4 mm, operating in a temperature range of -20°C to 85°C, ideal for a variety of industrial applications.

The Step-Down 4A 3.3V/5.2V converter module is a compact device with a large input voltage range, enabling precise conversion to 3.3V or 5.2V output with low static power consumption and low output noise. Perfect for powering electronic projects and microcontroller circuits, offering stability and performance.

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

The 3.3V 3A Step-Down Converter Module is an efficient and compact solution for 3.3V voltage stabilization in various electronic applications.

The compact (0.4″ × 0.5″) D24V5F2 synchronous buck voltage regulator takes input voltages between 3 V and 36 V and efficiently reduces them to 2.5 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 80% and 90%. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.

DC-DC Step-Up / Step-Down converter module. It has an input voltage of 6 to 35 V and an output voltage of 1 to 33 V. The current efficiency of the inverter is 0.05 to 5 A. DFRobot DFR0946

The Step Down DC-DC converter module (MP2307) allows to obtain 0.93..18V output voltage at 4.75..24V input voltage. The output voltage is regulated by a potentiometer

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 7.5 V and a maximum input of up to 2 A. Pololu 4943

BMS protection circuit designed for 4 Li-Ion cells. It has a charging function with balancer option, a discharging function and an over-discharge protection function. HXYP-C47-MA18-4S

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 3.3 V. Designed for mounting on a PCB. Hi-Link HLK-PM03

Power module with a USB Type-C connector based on the STUSB4500 system. It enables powering devices with voltages ranging from 5 V to 20 V and currents up to 5 A. Configuration via the I2C interface. SparkFun DEV-15801