SBOA595A
May 2024 – October 2024
AMC1202
,
INA169
,
TMCS1108
1
Abstract
Trademarks
1
Current Sensing
2
Key Challenges of Current Sensing for Negative Power Supply
3
Proposed Current Sensing Designs for Negative Power Supply
3.1
Hall Current Sensor
3.2
Current Sensing Based Isolated Amplifier
3.3
Current Sensing Based Isolated ADC
3.4
Current Sensing Based Difference Amplifier
4
Summary
5
References
6
Revision History
5
References
Texas Instruments,
AMC1202 Precision, ±50-mV Input, Basic Isolated Amplifier
, data sheet.
Texas Instruments,
UCC12040 High-Density, Low-EMI, 3-kVRMS Basic Isolation DC/DC Module
, data sheet.
Texas Instruments,
AMC131M01 1-Channel, 64-kSPS, Simultaneous-Sampling, 24-Bit, Reinforced Isolated Delta-Sigma ADC With Integrated DC/DC Converter
, data sheet.
Texas Instruments,
AMC131M01 1-Channel, 64-kSPS, Simultaneous-Sampling, 24-Bit, Reinforced Isolated Delta-Sigma ADC With Integrated DC/DC Converter
, data sheet.
Texas Instruments,
INA146 High-voltage, Programmable Gain Difference Amplifier
, data sheet.
Texas Instruments,
INA145 Programmable Gain Difference Amplifier
, data sheet.