Description:

1CH USB QC3.0 QC2.0 DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board 5V

• Input voltage range: 6V-32V DC 
• Output voltage: default 5V, automatic adjustment between 3~12V after the fast charge is triggered. 
• Output power: maximum 24W (5V@3.4A, 9V@2.5A, 12V@2A, etc.) 
• Output voltage wired compensation. 
• Conversion efficiency: 90%~97% 
• Supports multiple fast charging protocols. 
• Input overvoltage, overcurrent, under-voltage protection. 
• Output overcurrent, short circuit protection. 
• Module over-temperature protection. 
• Support agreement: BC1.2, QC2.0, QC3.0, MTK PE1.1/PE2.0, Apple, Samsung AFC, Huawei FCP, Spreadtrum SFCP. 
• Applications: solar cell phone charging, car charging retrofit, driving recorder power supply, home power conversion and so on. 
• Dimensions: 1.6×2.9cm

1CH USB QC3.0 QC2.0 DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board 5V

Development  Resources: demo codes, schematics, datasheets, etc

Reference for Arduino and reference to all matters

Ardunio from Wikipedia

Notes:

1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angle and display monitor.

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