XH-M403 Voltage and Current Buck Module

XH-M403 8A Adjustable DC-DC Buck Converter Module with Voltage & Current Display is a high-power digital step-down regulator based on the XL4016 chip. Equipped with a potentiometer, it allows precise voltage adjustment and digital output current limiting, making it an ideal choice for adjustable power supplies, battery chargers, industrial and laboratory electronics projects.

The XH-M403 voltage and current step-down module features a built-in voltmeter and ammeter, using 7-segment LED displays to show real-time output voltage and current. Utilizing PWM control and high-frequency switching, the module achieves efficiency of up to 94%. High-quality inductors and capacitors ensure stable output with low noise, suitable for sensitive electronics.

With a panel design, this 8A 200W adjustable DC-DC module accepts an input voltage range of 5V to 36V DC and provides an adjustable output of 1.3V to 32V DC with a maximum output current of 8A (recommended continuous use up to 5A). Its maximum output power reaches 200W, making it suitable even for high-demand applications.

This digital buck regulator is perfect for powering boards and modules such as Arduino, ESP32, Raspberry Pi, RF modules, DC motors, high-power LEDs, and lithium battery chargers. Thanks to its compact size and easy installation, it is highly suitable for both DIY projects and industrial applications.

XH-M403 Regulator Application:

1. Adjustable Power Supplies – Ideal for precise voltage and current control in DIY or lab setups
2. Battery Chargers – Perfect for charging lithium, NiMH, or lead-acid batteries safely
3. Electronics Projects – Supports Arduino, Raspberry Pi, ESP32, RF modules, and other boards
4. Testing & Repairs – Reliable power source for electronics testing, diagnostics, and maintenance
5. High-Power LED Supply – Powers LED strips, modules, or high-power LEDs efficiently
6. DC Motor Control – Suitable for powering and testing small to medium DC motors
7. Laboratory & Industrial Equipment – Provides stable and adjustable power for professional applications

XH-M403 Voltage Current Display Specification:

1. Model: XH-M403
2. IC Chip: XL4016
3. Regulator Type: Buck (Step-Down)
4. Input Voltage: DC 5–36V
5. Output Voltage: DC 1.3–32V (adjustable)
6. Maximum Output Current: 8A (recommended continuous: 5A)
7. Maximum Output Power: 200W
8. Efficiency: Up to 94%
9. Switching Frequency: 180 kHz
10. Display: 7-segment LED (shows voltage and current)
11. Adjustment Method: PWM Control
12. Dimensions: 78 × 63 × 40 mm

Documents:

XH-M403 Voltage Current Display Datasheet