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- +/-1A Single-Supply Low-Side Current Sensing Solution Design Guide
(PDF 723 KB)
08 Dec 2014 89 views
TIPD175 Design File
(ZIP 528 KB)
31 Jul 2015 29 views
This single-supply low-side, bi-directional current sensing solution can accurately detect load currents from -1 A to 1 A. The linear range of the output is from 110 mV to 3.19 V. The design utilizes the OPA2313 configured as a difference amplifier and reference voltage buffer.
- ±1A Low-side Current Sensing Solution
- Less than 1% total unadjusted error
- Supply: 3.3V
- Output: 110mV to 3.19V
- This robust circuit reference design includes theory, complete error analysis, component selection, simulation, PCB design, and measured data that correlates with the theory and simulation