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Related Manuals for TUYA DC Power Supply Board V2.0
Summary of Contents for TUYA DC Power Supply Board V2.0
- Page 1 DC Power Supply Board V2.0 Version: 20210909 Online Version...
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Page 2: Table Of Contents
Contents Contents 1 Background Information 2 Features 3 Key components 4 I/O port 5 Technical requirements of power supply 6 Schematic diagram and PCB 7 Things to note 8 Reference... - Page 3 Contents This topic describes version 2.0 of the Tuya Sandwich DC power supply board. 1 / 12...
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Page 4: Background Information
1 Background Information 1 Background Information The Tuya Sandwich DC power supply board is part of the Tuya Sandwich Develop- ment Kit and is used to power other related components of Tuya Sandwich. 2 / 12... - Page 5 1 Background Information The power development board has two input ports: DC 12V and DC 5V. • When DC 12V is input, two SY8012B chips work at the same time, which can provide DC 12V, DC 5V, and DC 3.3V power supply for other development board components.
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Page 6: Features
2 Features 2 Features The Tuya Sandwich DC power supply board adopts the standard Arduino dimensions. You can directly stack the development boards on top for power supply. • Flexible input: There are DC 005 DC 12V input, micro USB DC 5V input, and rechargeable 3.7V 15400 packaged lithium battery input. -
Page 7: Key Components
3 Key components 3 Key components Tuya Sandwich DC power supply board hardware includes 12V to 5V DC-DC step- down chip, 5V to 3.3V DC-DC step-down chip, micro USB port, 12V DC input port, lithium battery charge and discharge chip, and USB 5V output port. As shown in the... -
Page 8: O Port
4 I/O port 4 I/O port The peripheral interface configuration of the development board is shown in the figure below. • 1: Micro USB input port, input voltage range: 4.5V to 5.5V. • 2: DC005 input port, input voltage range: 7V to 12.5V. •... - Page 9 4 I/O port The pin definition is as follows: |I/O|Description| |: — -|: — -| |12V| The pin output volt- age follows the DC005 input voltage. The default is 12V input and 12V output. | |5V|5V DC output, output voltage range: 4.5V to 5.5V. | |3.3V|3.3 VDC DC output, output voltage range: 3.2V to 3.4V.
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Page 10: Technical Requirements Of Power Supply
5 Technical requirements of power supply 5 Technical requirements of power supply • Power input supply voltage is 12V or 5V, and 12V and 5V cannot be supplied at the same time. • The power board outputs a rated power of 5W. •... -
Page 11: Schematic Diagram And Pcb
6 Schematic diagram and PCB 6 Schematic diagram and PCB • The schematic diagram of Tuya Sandwich DC power supply board is as follows: • The PCB of Tuya Sandwich DC power supply board is shown in the figure below: 9 / 12... - Page 12 6 Schematic diagram and PCB 10 / 12...
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Page 13: Things To Note
7 Things to note 7 Things to note • When using micro USB 5V or USB AF for power supply, pay attention to the fact that the holder is easily damaged when excessive force is applied. • The power supply is 5V and 3.3V with a rated output current of 1A. When the load is too large, the output voltage will be lowered. -
Page 14: Reference
8 Reference 8 Reference • Demo Center • Sandwich Development Kit 12 / 12...
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