ZHCU763 March 2021
- 说明
- 资源
- 特性
- 应用
- 5
- 1System Description
-
2System Overview
- 2.1 Block Diagram
- 2.2
Design Considerations
- 2.2.1 Multichannel SSR with Independent Isolation Between SSR Channels
- 2.2.2 Design Challenge With Single Isolation
- 2.2.3 Multichannel SSR Drive With Single Isolation Multichannel Digital Isolator
- 2.2.4 Need of High-Impedance Voltage Translator
- 2.2.5 Design to Minimize Cross-Coupling and MOSFET Gate Pick up Due to Other SSR Switching
- 2.2.6 Schematic: Design of Gate-Drive Circuit
- 2.2.7 Schematic: Digital Isolator Circuit
- 2.2.8 Schematic: 3.3 V to 10V_ISO, 5V_ISO Power Supply
- 2.3 Highlighted Products
- 3Hardware, Software, Testing Requirements, and Test Results
- 4Design and Documentation Support
- 5About the Author
3.2 Test Setup
Figure 3-1 shows the details of input and output connectors in the reference design board and the SSR circuits. Figure 3-2 shows the way to connect different relay coils and transformer to the reference design board.
Figure 3-1 Input and Output
Connectors in the Reference Design Board
Figure 3-2 Interfacing External
Control Signals, Relay coils and Transformer to the Board