Category: Power modules

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 12 A

The protection system for four Li-Ion cells with a voltage of 14.8 V. The module has the function of charging the cells, discharging and protecting against excessive discharge. The cells can be discharged with a continuous current of up to 18 A

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 8 A

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 module can work with a current of up to 12 A

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

Module with LM2596 step-down converter and LM2577 step-up converter. The inverter has a battery and battery indicator with constant current

Powerbank module with a basket for two 18650 batteries. It can supply 3 V and 1 A or 5 V and 2 A

DC-DC Step-Down converter module AP63203 with an output voltage of 3.3 V, an input voltage of 3.8 to 32 V and a maximum output current of 2 A. SparkFun COM-18357

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36 V and efficiently reduces it to 7.5 V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.4 A and features reverse voltage protection.

The S9V11MA switching step-up/step-down regulator efficiently produces a finely adjustable output between 2.5 V and 9 V whether it is higher or lower than the input voltage, which can range from 2 V to 16 V.  Pololu 2869 

Power supply module with a basket for a 18650 battery. It can provide a current of 3 V and 1 A or 5 V and 2 A

The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3 V (default) or 5 V (selectable) output whether it is higher or lower than the input voltage, which can range from 2 V to 16 V. (Note: minimum start-up voltage is 3 V, but it operates to 2 V after that.)

Step-Up converter U3V70F15 with an output voltage of 15 V, an input voltage from 2.9 to 15 V and a maximum output current of 10 A. Pololu 2896

Step-Up converter U3V70F7 with an output voltage of 7.5V, an input voltage from 2.9 to 7.5 V and a maximum output current of 10 A. Pololu 2893

Step-Up converter U3V70A with an output voltage from 4.5 to 20 V, an input voltage from 2.9 to VOUT and a maximum output current of 10 A. Pololu 2890

Step-down converter with adjustable output voltage 1.2V-35V and current efficiency 9A. The module allows to limit the current consumption at the output via a multi-turn potentiometer. modxl4016sd

DC-DC Step-Down converter module with 5V output voltage and 1A output current. The module can be a replacement for the popular LM7805 regulator.

Step-Up converter with an output voltage of 5 V, an input voltage of 0.9 to 5 V and a maximum current of 0.48 A

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and an output in the form of pads. Allows powering devices with 9V. PDC004