We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Five green circuit boards with blue potentiometers and small digital displays

KEHIPI

KEHIPI LM2596 5-Pack Buck Converter Power Adapter 40V 35V 3A 92%

SKU CH-4TV3-CXX5Q MPN LM2596

Five buck-converter modules step DC input from 4.5 V to 40 V down to an adjustable 1.25 V–37 V output at up to 3 A with 92 % peak efficiency

  • ColorLM2596 Display
  • Dimensions12.0 in x 3.4 in x 12.0 in
  • High efficiency up to 92% reduces energy waste
  • Wide input range 4.5 V to 40 V suits many sources
  • Adjustable output 1.25 V to 37 V for flexible projects
  • Built-in short-circuit and over-temperature protection adds safety
  • Five modules in one pack ready for multiple builds

Five-module pack for DIY power projects

This pack supplies five identical LM2596 buck converter modules, each with an integrated LED voltmeter. They accept a DC input between 4.5 V and 40 V and deliver an adjustable output from 1.25 V to 37 V at up to 3 A. The modules suit hobbyists building variable bench supplies, automotive voltage reducers or battery-powered equipment.

LED display and protection features

Each board includes a digital tube voltmeter that shows the output voltage in real time, removing the need for a separate multimeter during setup. Built-in over-temperature protection, current limiting and output short-circuit protection shut the converter down before damage occurs. Peak conversion efficiency reaches 92 % at 150 kHz switching frequency.

Check input margin and thermal plan

Verify that your source voltage stays at least 1.5 V above the desired output across the full load range. The 20 W maximum output power means sustained loads near 3 A will require added heatsinking or forced airflow. Confirm the 6.1 cm length and 3.4 cm width fit your enclosure and that wiring reaches the clearly marked IN+, IN-, OUT+ and OUT- pads.

Highlights

  • High efficiency up to 92% reduces energy waste
  • Wide input range 4.5 V to 40 V suits many sources
  • Adjustable output 1.25 V to 37 V for flexible projects
  • Built-in short-circuit and over-temperature protection adds safety
  • Five modules in one pack ready for multiple builds

Specifications

BrandAITRIP
ModelLM2596 / Digital Tube Voltmeter
ColorLM2596 Display
Dimensions12.0 in x 3.4 in x 12.0 in

Questions about this item

Will the LM2596 modules need heatsinks if I run them near the 3 A limit?

The supplier recommends staying within 2.0 A for continuous use; above that, extra heat dissipation is required to avoid triggering the built-in over-temperature protection.

What input-to-output voltage gap must I maintain so the converter keeps regulating under load?

The input must stay at least 1.5 V higher than the adjusted output, otherwise the step-down function stops working.

How hot can the LM2596 boards get before the protection circuit shuts them down?

The operating temperature range is -45 °C to +85 °C; sustained operation near the upper end will activate the over-temperature safeguard.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.