Điện áp liên tục và liên tục hiện tại có thể điều chỉnh tự động Buck-Boost Power Module

Feature:
1. Hardware protection: input terminal anti-reverse protection, reverse connection does not burn; output terminal short-circuit protection, short circuit does not burn; output terminal anti-reverse, no additional anti-reverse diode is required when charging the battery;
2. Software protection: overvoltage protection (OVP), overcurrent protection (OCP), overpower protection (OPP), overtemperature protection (OTP), input undervoltage protection (LVP);
3. Full of materials, stable performance and wide range of uses.

Specification:
Input voltage: DC5.0V-30V (less than 4.7V with undervoltage protection LVP)
Output voltage: DC0.5V-30V
Output current: 0-4.0A
Output power: 35W under natural heat dissipation, up to 50W under air cooling
Voltage accuracy: ± 1% + 1 words, resolution: 0.01V, self-calibration
Current accuracy: ± 1.5% + 3 words, resolution: 0.001A, self-calibration
Conversion efficiency: about 88%
Soft start: yes
Input reverse connection protection: yes, reverse connection does not burn
Anti-backflow at the output: yes, can be directly connected to the battery
Output short circuit protection: yes, the output can be shorted directly
Temperature protection (OTP): Yes, 100 ℃
Working frequency: 180KHZ

2. Key functions:
Increase the key UP: short press to switch to display the input / output voltage, long press to enter the self-calibration interface
Decrease button DOWN: Short press to switch to display current / power / capacity / energy / time
Setting button SET: Long press to enter the setting interface
Switch button ON / OFF: short press to turn on / off the output; on the display voltage and current interface, long press to set the power-on state (-ON: power on default on, -OFF: power on default off), in the capacity / energy / time interface , Long press to clear the corresponding data

3. Operation instructions of setting interface:
3.1. Long press SET button to enter the setting interface;
3.2. Adjust the size of the parameter by UP / DOWN button, support long press (fast increase / decrease), short press SET button to switch the parameter to be adjusted;
3.3. On the maximum capacity (OAH) / maximum energy (OPH) / maximum running time (OHP) interface, short press the "ON / OFF" button to select the corresponding function to turn on or off, if it is turned off, it displays "----" ";
3.4. In the maximum capacity (OAH) / maximum energy (OPH) parameter interface, long press the "ON / OFF" button to select the capacity range (9.999Ah / 99.99Ah / 999.9Ah / 9999Ah, 9.999Wh / 99.99Wh / 999.9Wh / 9999Wh );
3.5. After the parameter setting is completed, long press the SET button to exit the setting interface, and the setting parameters are automatically saved;

Note:
After the product is protected, the output will be turned off. The LCD will display the corresponding protection code (LVP / OVP / OCP / OPP / OAH / OPH / OHP). The power chip itself also has various protections. If the chip itself is protected, it will display