MMC-Schnittstelle

Datenblätter und Downloads

Online-Tools

Technologiezentren

Anwendungsdesigns

Circuit Protection of MMC Interface



Design Notes:

Protection Application:
For typical Multi Media Card (MMC) circuits, the data transfer rate is less than 20 Mbps, so protection devices with capacitance values less than 40 pF can be used. The lines to be protected against ESD include SCK, SI, SO, CS, Reset, WP and Ready.
Solution Description:
As shown at the left (top), discrete multilayer varistors can be used for layout flexibility. However, if part count reduction or board space savings are most important, then TVS diode arrays (left, middle) are recommended. Lastly, if the data rate will be greater than 200 Mbps, then PulseGuard suppressors should be used.
Companion Solutions:
Does not apply.
Regulatory Issues:
The IEC 61000-4-2 will be the most appropriate standard that applies for this port. It supplies a test method for verifying that the end product is not susceptible to ESD events.
Unique Features:
Does not apply.
Application Warnings:
Does not apply.

Lösungen

Lösungen

  • V9MLA0402

    Mehrschichtige Überspannungsableiter

  • SP0502BAHT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0502BAJT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0503BAHT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0504BACT

    TSV-Avalanche-Diodenarrays in einpoliger CSP-Baugröße (Chip Scale Package)

  • SP0504BAHT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0504BAJT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0505BAHT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0505BAJT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0506BAAT

    Oberflächenmontierbare TSV-Avalanche-Diodenarrays

  • SP0508BACT

    TSV-Avalanche-Diodenarrays in einpoliger CSP-Baugröße (Chip Scale Package)

  • PGB1010402

    Bleifreie, oberflächenmontierbare 0402-Polymer-ESD-Entstörer