ZHCU759
July 2021
说明
资源
特性
应用
5
1
System Description
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
System Control and Processing
2.2.2
Analog Front End
2.2.3
Input Voltage Monitoring: 5 V, 20 V, 40 V, and ±5 V
2.2.4
Bidirectional Current Sense: ±2 A
2.2.5
Unipolar Current Sense: 0.25 A to 1 A
2.2.6
TMP461-SP: Local and Remote Temperature Sensing
2.2.7
NTC Thermistor Temperature Sensing
2.2.8
Adjustable Voltage Source
2.2.9
Fixed Output Current Source
2.2.10
Adjustable 4-mA Current Source
2.2.11
Power Tree and Power Sequencing
2.3
Highlighted Products
2.3.1
MSP430FR5969-SP
2.3.2
ADC128S102QML-SP
2.3.3
DAC121S101QML-SP
2.3.4
LMP7704-SP
2.3.5
INA901-SP
2.3.6
LM4050QML-SP
2.3.7
LM158QML-SP
2.3.8
LM139QML-SP
2.3.9
TMP461-SP
2.3.10
TPS7A4501-SP
2.3.11
TPS7H2201-SP
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Required Hardware and Software
3.1.1
Hardware
3.1.2
Software
3.2
Test Setup
3.2.1
Voltage Monitor Test Setup
3.2.2
Current Monitor Test Setup
3.3
Test Results
3.3.1
Voltage Measurement - Noise Floor Results
3.3.2
Voltage Measurement - Linearity Results
3.3.3
Current Measurement - Noise Floor Results
3.3.4
Current Measurement - Linearity Results
3.3.5
Analog Outputs
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.2
Documentation Support
4.3
支持资源
4.4
Trademarks
5
About the Author
特性
九路模拟输入(1% 精度)
电压监控:5V、20V 和 40V 输入
电流检测:500µA、0.25A–1A 和 ±2A
温度感应:NTC 热敏电阻和热敏二极管
三路模拟输出
1% 可调节电压源
5% 固定电流源
1% 可调节电流源
提供外部 ADC 或 MCU 集成的 ADC 选项