Efficiency 97.5% DC step-down module 6-24V12V24V to 5V3A car USB mobile phone charger

Efficiency 97.5% DC step-down module 6-24V12V24V to 5V3A car USB mobile phone charger

The maximum output current is 3A, long-term operation is 2.1A, and the margin is sufficient. Adopting a new scheme design, the circuit design does not require electrolytic capacitors and tantalum capacitors (the life of electrolytic capacitors is short, and tantalum capacitors may explode). Three large-size solid ceramic capacitors (MCC) currently used in high-end circuits are used. The rple is very low. The 12V to 5V 3A is only about 10 millivolts. Many of the rples in the industry have reached 500 millivolts or more, which will cause an invisible damage to the equment, and seriously cause the equment to work abnormally or damage. HONE is Very delicate. The new solution uses synchronous rectification, and the circuit conversion efficiency is very high. The efficiency is as high as 97.5% when 6.5V to 5V 0.7A, and it is 94% when 12V to 5V 1A. Unlike some peers, the efficiency is only 60-70%. (The efficiency test removed the voltage drop of the input reverse connection protection diode and fuse). Use flat copper wire inductance to maximize conversion efficiency. Reduce heat generation. The first TVS tube with output overvoltage protection function in the whole network with 1.5A input fuse and 300W output 5V TVS tube for overvoltage clamp protection to protect USB devices. The current USB step-down modules in the same industry have no over-voltage protection function, which poses a very big safety hazard to USB devices. If you think about the breakdown of the step-down module, 12V is directly added to your hone, can your hone be spared? Using the latest USB identification circuit, it is perfectly compatible with HONE, most Android phones, and AD. The short head gold-plated borderle USB has a long service life, which is by no means comparable to ordinary USB interfaces. Output voltage indicator (red) The input is equped with a reverse connection protection diode, and the input positive and negative terminals will not be damaged if they are connected reversely. (The test efficiency of our shop ignores the voltage drop of the input diode and the fuse) Ultra-low quiescent current, quiescent current of 0.85 mA. There is no need to add a switch when connected to the car battery, and it can be connected to the line or the ACC power line. QS-1205CBUL-3A power module

1.Input voltage: DC 6-24V; 2.Output voltage: 5.1-5.2V (you can choose between 3.3-6V, if other voltages, please inform the shopkeeper in advance, the default delivery is 5.1V-5.2); 3.Output current: maximuA (please pay attention to heat diation at full load), no special heat diation is required for the actual test input 12V output within 2A.; 4.Conversion efficiency: up to 97.5% (6.5 to 5V 0.7A) (tested value after shorting reverse connection protection and fuse); 5.Switching frequency: 500KHz; 6.Output rple: about 10mV (12V to 5V3A) 20M bandwidth; 7.Output indication: the output voltage indicator is red; 8.Working temperature: industrial grade (-40℃ to +85℃) (the higher the ambient temperature, the smaller the output power); 9.Output overvoltage protection: Yes, input 1.5A fuse, output 5V, 300W TVS tube clamp protection.; 10.Full load temperature rise: 30℃; 11.Quiescent current: 0.85 mA; 12.Load regulation rate: ±1%; 13.Voltage adjustment rate: ±0.5%; 14.Dynamic response speed: 5% 200uS; 15.Output short circuit protection: Yes, please do not short circuit for a long time; 16.Input reverse connection protection: Yes, input has reverse connection protection diode; 17.Connection method: welding; 18.Input method: welding; 19.Output mode: USB.

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