Design tool
Simulation for Single-Supply Low-Side Unidirectional Current-Sense Circuit — SBOC523.ZIP (13KB)
Release date: 05-Jul-2018
CIRCUIT060001
Single-supply, low-side, unidirectional current-sensing circuit
CIRCUIT060001
Overview
This single–supply, low–side, current sensing solution accurately detects load current up to 1A and converts it to a voltage between 50mV and 4.9V. The input current range and output voltage range can be scaled as necessary and larger supplies can be used to accommodate larger swings.
Features
- Senses Temperature between 25°C - 50°C
- Output: 0.05V - 3.25V
- Single 3.3V Supply with half-supply reference
Downloads
Supported products & hardware
General-purpose op amps
MSP430 microcontrollers
Precision op amps (Vos<1mV)
Technical documentation
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| Type | Title | Date | |
|---|---|---|---|
| * | Application note | Single-supply low-side unidirectional current-sensing circuit with MSP430 SAC (Rev. A) | Mar. 06, 2020 |
| * | Application note | Single-supply, low-side, unidirectional current-sensing circuit | Dec. 30, 2018 |
| Application note | Low-Drift, Low-Side, Bidirectional Current Sensing Circuit (Rev. A) | Dec. 02, 2020 | |
| E-book | Simplifying Current Sensing (Rev. A) | Jan. 09, 2020 | |
| Application note | How to Use the Smart Analog Combo in MSP430™ MCUs (Rev. A) | Oct. 24, 2019 | |
| Application note | Precision, Low-Side Current Measurement (Rev. B) | Mar. 06, 2019 | |
| E-book | Analog Engineer’s Circuit Cookbook: Amplifiers (Rev. A) | Feb. 18, 2019 | |
| Application note | Low-Side Current Sense Circuit Integration | Mar. 30, 2017 | |
| User guide | 0-A to 1-A Single-Supply Low-Side Current-Sensing Solution Design Guide (Rev. B) | Dec. 11, 2015 | |
| User guide | +/-1A Single-Supply Low-Side Current Sensing Solution Design Guide | Dec. 08, 2014 | |
| User guide | TIPD104 Design Reference Guide | Sep. 19, 2013 |
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