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Product Parameters

Input voltage range: 4.5-30V

Output current range: 0.1-5A

Output voltage range: 0.8-30V (continuously adjustable)

Output constant current range: 0.1-5A

Working temperature:- 40~85°C

Working frequency: 300KHZ

PWM control frequency: 100HZ-300HZ

Conversion efficiency: up to 95 (efficiency is related to input and output voltage, current, and voltage difference)

Short circuit protection: (current setting that limits constant current value)

Overtemperature protection: Yes (automatically shuts off output after overheating)

Input reverse connection protection: Yes (power transmission capacity greater than 2, reverse connection protection is invalid)

Charging indicator: The red light is on when charging, and the green light is on when fully charged. The detection method for turning lights is current

Product Introduction

This module is a high-power, high-efficiency, low ripple constant voltage and current module. Can be used as a regular voltage reduction module with overcurrent protection capability; It has two modes: constant voltage and constant current, with indicator lights indicating which mode the module is currently in; When used as a lithium battery charger, the float charging voltage and charging current can be set, and there is an indicator light to indicate whether it is charging or fully charged. It has a short-circuit protection function, and even if the output is short circuited, it will not burn out the module. Aluminum heat sinks are already included during shipment, allowing the module to operate at lower and more stable temperatures for long periods of high current.

Product Application Scope

1. DI is a regulated power supply with constant current function, which is not afraid of short circuits during use and can protect the load.

2. Power your electronic devices.

3. Charging various batteries, setting charging voltage and current according to different voltages and capacities of batteries, with charging indicator function for easy observation of charging status.

4. Powered by solar panels to charge various batteries, with constant current function to prevent overcharging and effectively protect the battery.

5. Drive high-power LED, can be freely combined in series and parallel, with PWM control input, can be controlled by a microcontroller to control the brightness of LED (PWM control frequency range 100-300Hz).

6. As a car power supply, it provides power for your mobile phone or various digital products.

Product Functions

Method for setting voltage, current, and turning lights:

1. Set output voltage: Based on the float voltage value of the battery you want to charge, or the voltage value of the high-power LED after series or parallel connection, adjust the constant voltage potentiometer (cv) to set the output voltage to the desired voltage. (Without connecting the load)

2. Set the current indicator for turning the light: After setting the output voltage, turn the cc potentiometer counterclockwise about 20 turns, short-circuit the output with a multimeter in 20A current mode, adjust the cc potentiometer to the current you need to turn the light, and then adjust the turning light potentiometer (LED) to just turn on the green light.

3. Set constant current value: After adjusting the headlight current, if the multimeter still has a short circuit output in the 20A current range, adjust the CC potentiometer to the current value you need to set.

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