JAJU873
August 2020
概要
リソース
特長
アプリケーション
5
1
System Description
1.1
Medical Respiratory Systems
1.2
Respirator System Components
1.3
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Brushless DC Motor (BLDC)
2.2.1.1
DRV8323RS BLDC Motor Driver Design Calculations
2.2.1.2
BLDC Motor Driver Circuit
2.2.2
Solenoid Valve Drivers
2.2.2.1
DRV8847 Solenoid Driver Design Calculations
2.2.2.2
Solenoid Driver Circuit
2.2.3
Power Tree Architecture
2.2.3.1
Input protection - overvoltage and reverse voltage
2.2.3.2
LM5122 Boost Design Calculations
2.2.3.3
LMR33630 Buck Design Calculations
2.2.3.4
Secondary Power Stage – TPS62840 3.3V Buck
2.2.3.5
Secondary Power Stage – TPS7A02 3.3V LDO
2.2.3.6
Power Tree Circuit
2.3
Highlighted Products
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware and Software Requirements
3.2
Test Setup
3.2.1
Hardware Configuration
3.2.2
Software Configuration
3.3
Test Results
3.3.1
Motor Test Result
3.3.2
Valve Test Result
3.3.3
Power Tree Test Result
3.3.4
Key Test Summary
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.2
Documentation Support
4.3
サポート・リソース
4.4
Trademarks
5
About the Author
1
System Description