| Allicdata Part #: | 1738-1130-ND |
| Manufacturer Part#: |
DFR0305 |
| Price: | $ 28.48 |
| Product Category: | Development Boards, Kits, Programmers |
| Manufacturer: | DFRobot |
| Short Description: | ROMEO ARDUINO BOARD W/BLE 4.0 |
| More Detail: | ATmega328P, CC2540 Romeo BLE AVR® ATmega MCU 8-Bit... |
| DataSheet: | DFR0305 Datasheet/PDF |
| Quantity: | 23 |
| 1 +: | $ 25.63470 |
| Series: | AVR® ATmega |
| Part Status: | Active |
| Board Type: | Evaluation Platform |
| Type: | MCU 8-Bit |
| Core Processor: | AVR |
| Operating System: | -- |
| Platform: | Romeo BLE |
| For Use With/Related Products: | ATmega328P, CC2540 |
| Mounting Type: | Fixed |
| Contents: | Board(s) |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
DFR0305 Application Field and Working Principle
DFR0305 is a high integrated DC/DC conversion module designed for battery-powered and embedded applications. It provides a efficient, versatile and temperature-resistant solution for DC/DC conversion in a variety of projects. As an evaluation board, DFR0305 can easily be assembled with minimal tools and without the need for soldering.
Application Fields
DFR0305 can be used in a range of different applications, from low-power consumer electronics to high-end industrial and automotive products. Examples include:
- Industrial and Automotive Applications:
- Robotics: Optimal energy efficiency when powering industrial and research robots, including robot arms for assembly, welding, and drilling.
- Automotive Control Systems: Reliable DC/DC conversion for automotive systems, allowing for consistent power supply.
- Consumer Electronics:
- Portable Devices: Suitable for small devices enabled with Bluetooth technology or WiFi connection for reliable communication.
- Smart Home Devices: Efficient DC/DC conversion for smart home appliances such as security systems, lighting, climate control, and entertainment systems.
Working Principle
DFR0305 is based on a Flyback topology, which is one of the most commonly used DC/DC topologies used in power supplies. The key feature of Flyback topologies is that they allow for regulating output voltage while having a high efficiency. The main components of a Flyback topology include a transformer, two power switches, an inductor, an output capacitor, and a diode.
In order to regulate the output voltage of a Flyback converter, the duty cycle of the power switches must be varied with the output voltage. This is done by varying the on-time of the switches by adjusting the peak current of the switches with a control loop, which is implemented with an operational amplifier. In the case of DFR0305, the peak current of the switches is regulated by applying a digital signal to the board\'s microcontroller (MCU).
DFR0305 also features a wide input voltage range, which is achieved by using a buck-boost topology for the input stage. This topology allows for a wide input range of up to 10V and up to 500mA of output current. The power stage is optimized to achieve a maximum efficiency of up to 94% at a power level of up to 500mA.
Conclusion
DFR0305 is a DC/DC conversion module that is well-suited for a range of different applications, from consumer electronics to high-end industrial products. The board is based on a Flyback topology, which provides high efficiency and a wide input voltage range. In addition, the board can be easily assembled with minimal tools and without the need for soldering.
The specific data is subject to PDF, and the above content is for reference
| Part Number | Manufacturer | Price | Quantity | Description |
|---|
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| DFR0165 | DFRobot | 10.75 $ | 68 | MEGA SENSOR SHIELD V2.4 (... |
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| DFR0559 | DFRobot | 5.7 $ | 36 | SUNFLOWER: SOLAR POWER MA... |
| DFR0445 | DFRobot | 228.41 $ | 1000 | RPLIDAR A2 - 360 DEGREE L... |
| DFR0055 | DFRobot | 1.76 $ | 20 | GRAVITY:TERMINAL SENSOR A... |
| DFR0310 | DFRobot | 3.61 $ | 1000 | UPPER DECK FOR MINIQPlate... |
| DFR0169 | DFRobot | 12.45 $ | 1000 | LIGHTBOARDS-ROSE QUARTZ |
| DFR0185-B | DFRobot | 5.21 $ | 1000 | EL WIRE - BLUE |
| DFR0275 | DFRobot | 32.52 $ | 1000 | 2.8" USB TFT TOUCH DISPLA... |
| DFR0259 | DFRobot | 7.61 $ | 105 | RS485 SHIELDRS485 Interfa... |
| DFR0105 | DFRobot | 13.01 $ | 25 | POWER SHIELD (ARDUINO COM... |
| DFR0285 | DFRobot | 2.09 $ | 44 | BEETLE SHIELDI/O Expansio... |
| DFR0119 | DFRobot | 4.26 $ | 76 | 3W MINI AUDIO STEREO AMPL... |
| DFR0009-BP | DFRobot | 4.9 $ | 1000 | PCB OF ARDUINO LCD KEYPAD... |
| DFR0077 | DFRobot | 5.77 $ | 1000 | MAX202 RS232 TO TTL CONVE... |
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| DFR0554 | DFRobot | 8.58 $ | 89 | GRAVITY: I2C 16X2 ARDUINO... |
| DFR0502 | DFRobot | 12.19 $ | 23 | GRAVITY: IO EXPANSION MOT... |
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DFR0305 Datasheet/PDF