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Analog Devices MAX22288

AN-2592: Inductor Selection Guide for Home Bus System

Overview

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Description

In a two-wire Power over Data (PoD) application such as the Home Bus System, an “AC-blocking” inductor is used to separate the data signals from the DC power. Selecting a suitable inductor is critical in designing the communication network. This application note outlines the inductor selection standards for the application and how to qualify the choice of inductors.

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
IR(A)
L1(mH)
RDC max.(Ω)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
L1(µH)
L2(µH)
IR(A)
IR(A)
IR 2(A)
ISAT(A)
RDC1 typ(mΩ)
RDC2 typ(mΩ)
RDC1 max(mΩ)
RDC2 max(mΩ)
SamplesAvailability & Sample
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SPECWE-DCT Toroidal Double Power Choke, 1.1 A, –
Simu­lation
Availability
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Rated Current1.1 A
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Length23 mm
Width18.5 mm
Height11.5 mm
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Inductance 1100 µH
Inductance 2100 µH
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Rated Current1.1 A
Rated Current 21.1 A
Saturation Current1.3 A
DC Resistance 1265 mΩ
DC Resistance 2265 mΩ
DC Resistance 1290 mΩ
DC Resistance 2290 mΩ
–Check availability
SPECWE-LF Common Mode Power Line Choke, 3 A, 4 mH
Simu­lation
Availability
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Rated Current3 A
Inductance [1]4 mH
DC Resistance [1]0.07 Ω
Rated Voltage250 V (AC)
Insulation Test Voltage1500 V (AC)
MaterialMnZn 
Length26.5 mm
Width18.5 mm
Height30.5 mm
MountTHT 
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Rated Current3 A
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–Check availability
750318652
SPECPower Inductor, –, –
Simu­lation–
Availability
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Downloads–
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product series Power Inductor
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–Check availability