TLV9152SIRUGR datasheet(31/63 Pages) TI

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LM7705

12 V

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TLV9151

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TLV9151, TLV9152, TLV9154

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SBOS986B – OCTOBER 2019 – REVISED MAY 2020

Product Folder Links: TLV9151 TLV9152 TLV9154

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8 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

8.1 Application Information

The TLV915x family offers excellent DC precision and DC performance. These devices operate up to 16-V

supply rails and offer true rail-to-rail input/output, low offset voltage and offset voltage drift, as well as 4.5-MHz

bandwidth and high output drive. These features make the TLV915x a robust, high-performance operational

amplifier for high-voltage industrial applications.

8.2 Typical Applications

8.2.1 Low-Side Current Measurement

Figure 51 shows the TLV9151 configured in a low-side current sensing application. For a full analysis of the

circuit shown in Figure 51 including theory, calculations, simulations, and measured data, see TI Precision

Design TIPD129, 0-A to 1-A Single-Supply Low-Side Current-Sensing Solution.

Figure 51. TLV9151 in a Low-Side, Current-Sensing Application

8.2.1.1 Design Requirements

The design requirements for this design are:

•

Load current: 0 A to 1 A

•

Output voltage: 4.9 V

•

Maximum shunt voltage: 100 mV

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