CIRCUIT060005
High-side current sensing with discrete difference amplifier circuit
CIRCUIT060005
Overview
This single–supply, high–side, low–cost current sensing solution detects load current between 50mA and 1A and converters it to an output voltage from 0.25V to 5V. High–side sensing allows for the system to identify ground shorts and does not create a ground disturbance on the load.
Features
- Single 36V supply
- Input: 50mA to 1A
- Output: 0.25V to 5V
Get started
- Read the circuit design and circuit design with MSP430 smart analog combo
- Download the model
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| Circuit design | High-side current-sensing circuit design with MSP430 smart analog combo (Rev. C) | PDF | HTML | Oct 8, 2024 | |
| Circuit design | High-voltage, high-side floating current sensing circuit using current output, c (Rev. A) | PDF | HTML | Sep 26, 2024 | |
| Circuit design | High-side current-sensing circuit design (Rev. B) | PDF | HTML | Sep 25, 2024 | |
| E-book | Analog Engineer’s Circuit Cookbook: Amplifiers (Rev. D) | PDF | HTML | Sep 24, 2024 | |
| E-book | An Engineer's Guide to Current Sensing (Rev. B) | Apr 12, 2022 | ||
| Application brief | Using An Op Amp for High-Side Current Sensing (Rev. A) | PDF | HTML | Dec 7, 2021 | |
| Application note | How to Use the Smart Analog Combo in MSP430™ MCUs (Rev. A) | PDF | HTML | Oct 24, 2019 | |
| Circuit design | Difference amplifier (subtractor) circuit (Rev. A) | PDF | HTML | Jan 31, 2019 | |
| User guide | 10-uA to 100-mA 0.05%-Error High-Side Current Sensing Design Guide | Oct 3, 2013 |