ADM1175-3ARMZ-R7 datasheet(23/24 Pages) AD

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ADM1175-3ARMZ-R7 数据表(PDF) 23 Page - Analog Devices

部件名	ADM1175-3ARMZ-R7

功能描述	Hot Swap Controller and Digital Power Monitor with Convert Pin

PDF	24 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

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23 / 24 page

ADM1175

Rev. 0 | Page 23 of 24

KELVIN SENSE RESISTOR CONNECTION

When using a low value sense resistor for high current

measurement, the problem of parasitic series resistance may

arise. The lead resistance can be a substantial fraction of the

rated resistance, making the total resistance a function of lead

length. This problem can be avoided by using a Kelvin sense

connection. This type of connection separates the current path

through the resistor and the voltage drop across the resistor.

Figure 46 shows the correct way to connect the sense resistor

between the VCC pin and the SENSE pin of the ADM1175.

SENSE RESISTOR

KELVIN SENSE TRACES

VCC

SENSE

ADM1175

CURRENT

FLOW FROM

SUPPLY

CURRENT

FLOW TO

LOAD

Figure 46. Kelvin Sense Connections

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