An efficient step-down converter that reduces the input voltage to 12 V at a maximum current of 100 mA, offering high efficiency thanks to low quiescent current (<50 μA). It supports input voltages from 12 V to 65 V, has short circuit and overheating protection, making it a reliable and energy-efficient solution. Pololu 5367

Pololu 2833

DC-DC Step-Up converter U3V40F6 with an output voltage of 6 V, an input voltage of 1.3 to 6 V and a maximum output current of 4 A. Pololu 4013

The protection circuit for one Li-Ion cell with a voltage of 3.2 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 12 A

The BMS-3S-60A-INV board is designed for 3S lithium cell packs with a voltage of 12 V and a high current load. It is used in voltage converters and installations requiring reliable battery protection

DC-DC Step-Down Converter ME3116AM6G with an output voltage of 5 V, input voltage from 6 to 24 V and a maximum output current of 1 A. Dedicated to the M5Stack modules. M5Stack U125

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 7.5 V and a maximum output of 2.5 A to 3.5 A. Pololu 4982

Step-Down converter D36V50F12 with an output voltage of 12 V, an input voltage from 13.3 to 50 V and a maximum output current of 6.5 A. Pololu 4095

Step-Down converter D36V50F7 with an output voltage of 7.5 V, an input voltage from 8.3 to 50 V and a maximum output current of 7 A. Pololu 4093

Pololu 5V Step-Up/Step-Down Voltage Regulator S7V7F5

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

Pololu 12V Step-Up Voltage Regulator U3V50F12

DC-DC step-down converter module 5V 16A used to convert energy from 6-24V input voltage to stable 5V, providing up to 16A current. Thanks to high conversion efficiency (over 90%) and low ripple (<20mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1202

The Step-Down D24V6F5 Buck Voltage Regulator module gives the output voltage of 5V with a wide input voltage range of 7-42V and a maximum output current of 600 mA. Pololu 2107

The Step-Down D24V6F3 Buck Voltage Regulator module gives the output voltage of 3.3V with a wide input voltage range of 4.8-42V and a maximum output current of 600 mA. Pololu 2106

An efficient step-down converter that steps down the input voltage from as low as 45 V to a regulated output voltage range of 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.4 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4873

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 7.5 V. The board measures only 0.7″ × 0.7″, but it allows a typical continuous output current of up to 2.5 A. Typical efficiencies of 85% to 95% make this regulator well suited for powering moderate loads like sensors or small motors.

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″, but it allows a typical continuous output current of up to 5 A. Typical efficiencies of 85% to 95% make this regulator well suited for high-power applications like powering motors or servos.

Step-Down DC-DC converter module based on the D24V150F9 chip. Input voltage 11 ... 40V, output voltage 9V (max 15A). Pololu 2884

A power supply module with an input voltage of 6 to 12 V and a configurable output voltage of 5 V or 3.3 V. It has holes with a 2.54 mm louver. Ideal for use with a contact board. SparkFun PRT-21297