Fast Charging Step Down Module Buck Power Converter

QC-MINI is a USB DC Fast Charging power supply module.It can be applied to solar charging, mobile phone charging and other fields.
2.Features:
1>.Support QC2.0, QC3.0.
2>.Support overvoltage protection.
3>.Support under-voltage protection.
4>.Support over-current protection.
5>.Support short circuit protection.
6>.Support over temperature protection.
7>.Fast charge automatically adjusts the voltage.
8>.Support multiple fast charging protocols.
3.Parameters:
1>.Product Name:QC-MINI QC2.0 QC3.0 Fast Charging Step Down Module
2>.Product Number:QC-MINI
3>.Working Voltage:DC 6.0V-32V
4>.Output Voltage:DC 5V(Automatic adjust at 3.0V-12V at fast charging mode)
5>.Output Power:24W(5V@3.4A,9V@2.5A,12V@2A)
6>.Conversion efficiency:About 95%
7>.Working current:30mA
8>.Working Temperature range:-20℃~85℃
9>.Working Humidity range:0%-95%RH
10>.Size:38*20*10mm
4.Support fast charge protocol:
1>.BC1.2 protocol
2>.Apple protocol
3>.Samsung protocol
4>.Qualcomm QC2.0 and 3.0
5>.MTK PE1.1/PE2.0
6>.Huawei Fast Charge Protocol FCP, does not support mate9 (SCP)
7>.Spreadtrum Fast Charge Protocol SFCP
5.Using Steps:
1>.Connect right input voltage at input terminal.
2>.Connect USB device at USB terminal and use.
6.Note:
1>.Default output voltage is 5V.But it