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Electronic Design Power & Analog Update



Sponsored by Texas Instruments

Shunt-Based Current-Sensing Solutions for BMS Applications in HEVs and EVs

Learn about non-isolated, shunt-based current-sensing amplifiers for bottom-of-stack or top-of-stack in 12-V to 48-V BMS subsystems. The advantages of non-isolated shunt-based current sensing are simplicity, low cost, linearity, and accuracy.

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Texas Instruments Recipes 300x250 Ed 031721 Kmr


Texas Instruments Dgs 315x180 Ed 031721 Kmr

The INA229-Q1 is a digital power monitor with 20-bit delta-sigma ADC designed for current, power, charge, energy-sensing. The 20-bit bit-depth, with a full-scale input of ±163.84mV, enables multi-decade current measurement from -0.3V to 85V.        

Texas Instruments Dbv 315x180 Ed 031721 Kmr

–4 V to 110 V High-precision, high bandwidth current sense amplifier

The INA281-Q1 measures voltage drops across shunt resistors over a wide common-mode range. The negative common-mode voltage allows it to operate below ground allowing for precise measurement of recirculating currents in half-bridge applications.

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Texas Instruments Pwp 315x180 Ed 031721 Kmr

Automotive, dual power op amp for resolver based designs

The ALM2403-Q1 is an integrated power amplifier with high output current, wide supply range (24V), and low distortion for resolver excitation and traction inverters in HEV/EV designs. This amp is available in a tiny HTSSOP package.

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Learn how to monitor the status of an HEV/EV battery using current sense amplifiers. These simple and affordable ICs enable designers to achieve overcurrent protection, system optimization and current measurement with excellent linearity and accuracy



This technical article discusses resolver-based measurements in automotive powertrain, an essential part of automotive design requiring attention to detail.


Current Sensing in Body Control Modules with Simulation

This report will show how to choose and evaluate CSAs for control and monitoring loads. Current sense amplifiers are unique and simple-to-use devices, allowing designers to capture the current of a load with a small shunt resistor.

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Reduce system costs in automotive designs with ALM2403-Q1

Learn how to apply the ALM2403-Q1 single-chip resolver solution to reduce system costs, and improve the reliability and performance of automotive and industrial applications.

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