Design with Cosel STMGFS 15VDC 2A 30W DC-DC Converter STMGFS302415 in Cirkit DesignerThe Cosel STMGFS302415 is a compact and highly efficient DC-DC converter designed to provide a stable 15V output with a maximum current of 2A. With a power rating of 30W, this converter is ideal for applications requiring reliable and efficient power conversion. Its robust design ensures consistent performance in a wide range of environments, making it suitable for industrial, automotive, and embedded systems.
This circuit converts a 38.5V battery output to multiple lower voltage levels using a series of DC-DC converters and a power module. It includes an emergency stop switch for safety and distributes power to various components such as a relay module, USB ports, and a bus servo adaptor.
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This circuit is designed for power management, featuring buck and boost converters for voltage adjustment, and linear regulators for stable voltage output. It includes LEDs for status indication, and terminal blocks for external connections.
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This circuit consists of a DC-DC converter powering a 6-channel power module, which in turn supplies 5V to a 2-relay module. The power module distributes the converted voltage to the relay module, enabling it to control external devices.
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This circuit is a power management system that steps down a 240V AC input to a lower DC voltage using a buck converter, which then powers a 40W UPS. The UPS is controlled by a rocker switch and is backed up by a battery management system (BMS) connected to three 3.7V batteries in series, ensuring continuous power supply.
Open Project in Cirkit DesignerThe following table outlines the key technical details of the Cosel STMGFS302415 DC-DC converter:
| Parameter | Value |
|---|---|
| Input Voltage Range | 9V to 36V |
| Output Voltage | 15V |
| Maximum Output Current | 2A |
| Output Power | 30W |
| Efficiency | Up to 92% |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 50.8mm x 25.4mm x 10.2mm |
| Weight | 20g |
| Isolation Voltage | 1500V DC |
| Protection Features | Overcurrent, Overvoltage, |
| and Overtemperature |
The Cosel STMGFS302415 features a standard pinout for easy integration into circuits. The pin configuration is as follows:
| Pin Number | Name | Description |
|---|---|---|
| 1 | +Vin | Positive input voltage (9V to 36V) |
| 2 | -Vin | Negative input voltage (ground) |
| 3 | +Vout | Positive output voltage (15V) |
| 4 | -Vout | Negative output voltage (ground) |
| 5 | Remote On/Off | Enables or disables the converter (logic input) |
+Vin and -Vin pins. Ensure the input voltage is within the specified range to avoid damage.+Vout and -Vout pins. The converter will provide a stable 15V output.Remote On/Off pin to enable or disable the converter. A logic high signal typically enables the converter, while a logic low disables it. Refer to the datasheet for specific control logic levels.Remote On/Off pin unconnected or follow the manufacturer's recommendations.The Cosel STMGFS302415 can be used to power an Arduino UNO by providing a stable 15V output. Below is an example circuit and code to control the converter's Remote On/Off pin using a digital output pin from the Arduino.
+Vin and -Vin pins of the converter to a 12V DC power supply.+Vout and -Vout pins to the Arduino's VIN and GND pins, respectively.Remote On/Off pin to Arduino digital pin 7 through a 1kΩ resistor.// Define the pin connected to the Remote On/Off control
const int remoteControlPin = 7;
void setup() {
// Set the remote control pin as an output
pinMode(remoteControlPin, OUTPUT);
// Enable the DC-DC converter by setting the pin HIGH
digitalWrite(remoteControlPin, HIGH);
}
void loop() {
// The converter remains enabled in this example
// Add your application code here
}
No Output Voltage
Cause: Input voltage is outside the specified range.
Solution: Verify the input voltage is between 9V and 36V.
Cause: Remote On/Off pin is not properly configured.
Solution: Ensure the Remote On/Off pin is set to the correct logic level.
Overheating
Output Voltage Instability
Converter Not Turning On
Remote On/Off pin to a valid logic level.Can I use this converter with a 24V input?
What happens if I exceed the maximum output current?
Is the converter suitable for outdoor use?
Can I use this converter to power sensitive analog circuits?