6–24V to 5V 3A DC-DC Buck Converter — Car USB Charger Module, 12V / 24V Power Supply

6–24V to 5V 3A DC-DC Buck Converter Car USB Charger Module, 12V / 24V Power Supply

$7.48 USD

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6–24V to 5V 3A DC-DC Buck Converter — Car USB Charger Module, 12V / 24V

This 6–24V to 5V 3A DC-DC step-down buck converter module provides a stable 5V / 3A USB output from any 6–24V DC input, making it the ideal power module for 12V car systems, 24V truck systems, solar battery banks, and DIY embedded power supplies. The USB-A output connector allows direct charging of smartphones, tablets, and USB-powered devices, while the screw terminal input accepts wire connections from vehicle power or battery systems.

Key Specifications

Parameter	Value
Input Voltage	6V – 24V DC
Output Voltage	5V DC (fixed)
Max Output Current	3A
Max Output Power	15W
Output Connector	USB-A (standard)
Input Connector	Screw terminal
Topology	Non-synchronous step-down (buck)
Efficiency	Up to 92%
Operating Temperature	-40°C to +85°C

Input Voltage vs Application Guide

Input Voltage	Typical Source	Max USB Output
12V	Car battery, 12V lead-acid	5V / 3A (15W)
24V	Truck, 24V solar system	5V / 3A (15W)
6–12V	Li-ion pack, 18650 battery	5V / up to 3A

Why Choose This Buck Converter Module?

✅ 6–24V wide input range — covers 12V car, 24V truck, and solar battery systems
✅ 3A / 15W output — fast charges smartphones and powers Raspberry Pi
✅ USB-A output — direct USB device connection without adapters
✅ Up to 92% efficiency — minimal heat generation at full load
✅ -40°C to +85°C — reliable in automotive and outdoor environments