Joy-IT ZYPDS-02 DC-DC Step-Down Converter Module, Adjustable 0.8-20V Output, 1.5A, MP1584EN

Many electronic projects require a stable, adjustable low-voltage supply from a higher-voltage source such as a battery pack or an unregulated DC adapter. The Joy-IT ZYPDS-02 is a compact DC-DC step-down converter module built around the MP1584EN control chip. It accepts an input from 4.5V to 28V DC and delivers an adjustable output between 0.8V and 20V DC, with a continuous current up to 1.5A and peak current up to 2A. The output voltage is set by an on-board potentiometer, making it easy to adapt to different loads.

Who is it for

This module suits hobbyists, makers, and engineers who need a small, efficient buck converter for prototyping, embedded systems, or portable devices. It is also useful for anyone who wants to power 5V or 3.3V circuits from a 12V or 24V supply.

Main features

• Wide input voltage range: 4.5V to 28V DC
• Adjustable output voltage: 0.8V to 20V DC
• Continuous output current: 1.5A (2A peak)
• High conversion efficiency: up to 96%
• Switching frequency: 1.5 MHz
• Low output ripple: less than 30 mV
• Quiescent current: approximately 20 µA
• Operating temperature range: -45°C to +85°C
• Overcurrent and overtemperature protection integrated in the control chip
• Compact design with solder pads for input and output connections

Specifications

• Module type: DC-DC step-down converter (buck)
• Control chip: MP1584EN
• Input voltage: 4.5V - 28V DC
• Output voltage: 0.8V - 20V DC (adjustable via potentiometer)
• Maximum output current: 1.5A continuous, 2A peak
• Conversion efficiency: up to 96%
• Switching frequency: 1.5 MHz
• Output ripple voltage: <30 mV
• Quiescent current: approx. 20 µA
• Operating temperature range: -45°C to +85°C
• Number of channels: 1
• Interface: solder pads (VIN+, VIN-, VOUT+, VOUT-)

Tips

When setting the output voltage, use a multimeter to monitor the output while adjusting the potentiometer. Ensure the input voltage is at least 1V higher than the desired output for proper regulation. For continuous loads near 1.5A, provide adequate airflow to prevent overheating.