±1A Single-Supply Low-Side Current Sensing Solution Reference Design
TIPD175
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Key Document
- +/-1A Single-Supply Low-Side Current Sensing Solution Design Guide
(PDF 723 KB)
08 Dec 2014
-
TIPD175 Design File
(ZIP 528 KB)
31 Jul 2015
Description
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.
Features
- ±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
See the Important Notice and Disclaimer covering reference designs and other TI resources.
