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Location: Whippany, New Jersey
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Item: 364650328236
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Input voltage:DC5.0V-30V (undervoltage protection LVP below 4.7V)
Output power:35W under natural heat dissipation, 50W in case of air cooling
Conversion efficiency:about 88%
Voltage accuracy:±1%+1 words, resolution: 0.01V, self-calibrating
Color:Gray
Unbranded:Unbranded
Current accuracy:±1.5%+3 words, resolution: 0.001A, self-calibrating
Type:tep UP/Down Voltage Regulator
Output voltage:DC0.5V-30V
Working frequency:180KHz
Features:Soft Start
Output current:0-4.0A
Protection Properties:Low Voltage Protection,Overvoltage Protection,Reverse Current Protection,Short Circuit Protection,Temperature Protection
XY-SEP4 Automatic Boost/Buck Power Supply Module Converter LCD Solar Charging Step Up Down SEP4 Adjustable Constant Voltage Current Introduction: 1. Product liquid crystal display, clear interface, simple operation, and almost perfect protection mechanism; 2. Hardware protection: the input end anti-reverse protection, reverse connection does not burn; the output end short-circuit protection, short-circuit does not burn; the output end is anti-backflow, no additional anti-backflow diode is added when charging the battery; 3. Software protection: over voltage protection (OVP), over current protection (OCP), over power protection (OPP), over temperature protection (OTP) 100 °C, input undervoltage protection (LVP); Parameter performance: Input voltage: DC5.0V-30V (undervoltage protection LVP below 4.7V) Output voltage: DC0.5V-30V Output current: 0-4.0A Output power: 35W under natural heat dissipation, 50W in case of air cooling Voltage accuracy: ±1%+1 words, resolution: 0.01V, self-calibrating Current accuracy: ±1.5%+3 words, resolution: 0.001A, self-calibrating Conversion efficiency: about 88% Soft start: Yes Working frequency: 180KHz Instructions for use: Add button UP: Short press to display the input/output voltage, long press to enter the self-calibration interface, short press the SET button to switch the parameter to be calibrated (input voltage / output voltage / output current), adjust the parameters by short pressing the UP / DOWN button Size, calibration is completed, long press the SET button to exit the calibration interface; Decrease button DOWN: Short press to switch display current / power / capacity / energy / time; Switch button ON/OFF: Short press to turn on/off output; in the display voltage and current interface, long press to set the power on state (-ON: power on default, -OFF: power on default off), in capacity / energy / time interface , long press to clear the corresponding data; 1. Press and hold the SET button to enter the setting interface. 2. Adjust the size of the parameter by pressing the UP/DOWN button, support long press (rapid increase/decrease), short press the SET button to switch the parameter to be adjusted; 3. On the Maximum Capacity (OAH)/Maximum Energy (OPH)/Maximum Run Time (OHP) screen, press the “ON/OFF” button to select the corresponding function to turn on or off. If it is off, “—- “; 4. On the Maximum Capacity (OAH)/Maximum Energy (OPH) parameter screen, press and hold the “ON/OFF” button to select the capacity range (9.999Ah/99.99Ah /999.9Ah/9999Ah, 9.999Wh/99.99Wh /999.9Wh/9999Wh) ); 5. After setting the parameters, press and hold the SET button to exit the setting interface and set the parameters to be automatically saved. After protection, the output will be turned off, and 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 OEP. . 1 Capacity / energy / running time statistics: The current does not start at 0. When the current is 0, the process is completed and the statistics are completed. 2 Set maximum capacity / maximum energy / maximum running time: 2.1. Setting the maximum capacity (OAH)/energy (OPH): When the OAH/OPH function is activated, when the statistical capacity/energy is higher than the set maximum capacity/energy, the power automatically turns off the output and flashes “OAH”/’ OPH’; after the alarm is released, the capacity/energy statistics are automatically cleared; 2.2. Setting the maximum discharge time (OHP): When the OHP function is activated, when the power running time is greater than the set maximum discharge time, the power automatically turns off the output and flashes “OHP”; after the OHP alarm is cleared, the time statistics are automatically cleared. ; This function is very good for quantitative/timed power supply. Note: When the OAP/OPH and OHP functions are not enabled, the power supply will automatically record the capacity/energy and running time. After the OAH/OPH and OHP functions are enabled, the power will automatically turn off the output after the set value is reached. After the OHP function is enabled, the power supply is turned on. The running time is the countdown mode; 3 data group function: Divided into “DAT0” “DAT1” DAT0: flashing shows the capacity/energy value and running time of the previous stage, and does not add to the next stage; DAT1: blinks to show the capacity/energy value and running time of the previous stage, and automatically accumulates to the next stage; 1. As a general buck-boost power supply with overcurrent protection: 1) Adjust the CV constant voltage positioner so that the output voltage reaches the voltage you want. 2) Directly short-circuit the output terminal (can directly short-circuit the output terminal!) to adjust the CC constant current (current limiting) potentiometer to make the output current reach the predetermined overcurrent protection value. (For example, if the current value displayed by the product is 3.000A, then the maximum current can only be 3A when you use the product, and the LCD will display the “CC” status when the current reaches 3A, otherwise the liquid crystal displays “CV” status) Note: When using in this state, there will be a voltage drop of 0~0.2V after the load is connected, and there will be a certain voltage drop on the input and output wires when the current is high. This is normal! 2. Use as a battery charger: Products without constant current function can not be used to charge the battery. Because the voltage difference between the battery and the charger is very large, the charging current is too large, resulting in battery damage. Therefore, the battery should be used at the beginning. Stream charging, when the charging reaches a certain level, it automatically switches back to constant voltage charging. 1) Determine the float voltage and charge current of the rechargeable battery you need; (If the lithium battery parameter is 3.7V/2200mAh, then the float voltage is 4.2V. If it is a 12V rechargeable battery, generally set the float voltage to 14V. about) 2) Under no-load conditions, adjust the constant voltage positioner to make the output voltage reach the float voltage; (if charging the 3.7V lithium battery, adjust the output voltage to 4.2V) 3) Short-circuit the output terminal directly (short-circuit output terminal!), adjust the CC constant current (current limiting) potentiometer to make the output current reach the predetermined charging current value; 4) Connect the battery and charge it. (Steps 1, 2, and 3 are: input terminal is connected to the power supply, and the output terminal is not connected to the battery.) 3. As a high power LED constant current drive module: 1) Determine the operating current and maximum operating voltage at which you need to drive the LEDs; 2) Under no-load conditions, adjust the constant voltage positioner to make the output voltage reach the maximum working voltage of the LED; 3) Short-circuit the output terminal directly with a short line (can directly short-circuit the output terminal!), adjust the constant current potentiometer to make the output current reach the predetermined LED operating current; 4) Connect the LED and test the machine. (Steps 1, 2, and 3 are: input is connected to the power supply, and the output is not connected to the LED.) Precautions: 1. Module input VIN- disable and output OUT- short circuit, otherwise the constant current function will be invalid. 2. Please ensure that the power of the power supply is greater than the power required by the output load! 3. If the module wants full load output, the input voltage should be more than 8V. When the input voltage is 5V, the output power is about 15W; the module current value is up to 4A, the premise is limited by the maximum output power, such as output 18V, the current should be no more than 2A. . 4. The module has input undervoltage protection function. The default is about 4.7V. After this value is lower, the output will be automatically disconnected. When the voltage is higher than 4.7V, the output will be automatically restored. (Note: 4.7V is the voltage at the product port.) When the input current is relatively large, do not ignore the partial pressure on the input lead).
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