HW-788 DC 13-100V to 12V 2A Step-Down Voltage Module
HW-788 DC 13-100V to 12V 2A Step-Down Voltage Module
The HW-788 DC 13-100V to 12V 2A step-down voltage module is a high-efficiency DC-DC buck converter designed to provide a stable 12V output from a wide input voltage range of 13V to 100V. Compact, durable, and easy to integrate, this module is ideal for automotive, e-bike, and portable electronics applications. It features overheat and overload protection, low-ripple output, and natural heat dissipation, ensuring reliable and safe operation under demanding conditions.
Its wide input range makes it suitable for automotive systems, industrial equipment, battery-powered systems, and solar energy applications. Its compact and efficient design delivers stable performance through reliable voltage regulation, making it an excellent choice for both hobbyist (DIY) and professional projects.
NOTE: Since this is a step-down (buck) converter, the output voltage must always be lower than the input voltage.
Specifications
- Input Voltage: 13-100V DC
- Output Voltage: 12V DC
- Current: Max. 2A
Output Voltage Adjustment
The module provides the output voltage corresponding to the pad where the resistor is placed (as indicated in the image). This allows for selectable outputs of 5V, 9V, 12V, or 24V. Since this is a step-down converter, the output voltage must always be lower than the input voltage.

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