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Product Parameters

Product Name: 5A DC step-down CNC module

Product model: H-212

Input voltage: DC 6.5-36V (Input voltage below 6.5V, inaccurate current accuracy, LCD display abnormal below 5.5V)

Output voltage: DC 1.2-32V

Output current: capable of long-term stable operation at 3.5A, and can reach around 4.5A with enhanced heat dissipation (adjustable maximum current limit of 4.2-4.5A)

Output power: Natural heat dissipation of 50W (within 3.5A), enhanced heat dissipation of 75W

Voltage display: resolution of 0.01V, range of 1.2-32V, accuracy of around 0.1V (customers with strict accuracy requirements should be cautious when taking photos!)

Current display: resolution of 0.002A, range of around 0-4.5A, accuracy of around 0.05A (caution for customers with strict accuracy requirements!)

Conversion efficiency: around 94%

Working current: around 30m

Reverse input protection: Yes

Output anti backflow: None (if charging the battery, first power on the module before connecting the battery, and ensure that the battery voltage is lower than the output voltage; if possible, please connect an anti backflow diode in series with the output positive terminal)

Short circuit protection: Yes

Dimensions: Length * Width * Height 70.5 * 48.4 * 28mm

Weight: 62g

Product Be careful

The module is a DCDC DC to DC voltage reduction module and cannot input AC power directly reduced by a transformer; When charging the battery, ensure that the module output terminal is powered on first and then connected to the battery. After being fully charged, unplug the battery first and then power off the module to prevent battery voltage backflow (it is best to connect a high current diode to the positive terminal of the module output to prevent backflow).

Product Features

1. The design is beautiful and elegant, with good tactile texture for the buttons. The buttons are set to output voltage, eliminating the hassle of using a straight blade

2. The button can control the output to turn off and on, and can be set to default ON or OFF when powered on;

3. LCD can display input and output voltage, output current, and output power;

4. Input terminal anti reverse protection, reverse connection will not burn out

5. High efficiency of over 93%, high current, low heat generation, adjustable output voltage of 1.2-32V, constant current value of 0-4.5A, suitable for office power supply, high-power LED constant current drive, lithium battery charging, etc!

Product Funtion

1.On the left side of the module, there are two buttons: IN/0UT and ON/OFF. The IN/0UT button switches between input voltage and output voltage display, and long pressing can switch between output current and output power display; The ON/OFF button controls the output to be ON or OFF. Long press to set the default output state to ON or OFF for the next power on.

2.On the right side of the module, there are two buttons:+and -. Press and hold the "+" button to increase the output voltage by 0.01V, and press and hold to continuously increase it. Press and hold again to gradually increase it by 0.1V or 1V. Press and hold the "-" button to decrease the output voltage by 0.01V, and press and hold again to gradually decrease it by 0.1V or 1V.

3.2. ADJ-I is a current setting potentiometer that can be rotated clockwise to increase the set current. When the load current reaches the set current, it enters a constant current state and the CC constant current indicator light (red) lights up. The 0UT indicator light is an output status indicator light that lights up when there is voltage at the output terminal, otherwise it goes out: the CHAR indicator light is a charging indicator light that lights up when charging, and the FULL indicator light is a fully charged indicator light. If the set constant current value is 2 and the charging current reaches below 0.2A, the light will turn on, and the FULL indicator light will light up and the CHAR indicator light will go out.

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