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Source or replacement for Philips TEA1100/1101

Discussion in 'General Electronics' started by Sam Yang, May 28, 2004.

  1. Sam Yang

    Sam Yang Guest

    I have a old battery charger using a Philips TEA1100 chip. It works
    well for NICAD but not suitable for Metal Hydrides as the delta V
    sensitivity is 1% of battery voltage. Using a Zina diode to increase
    the sensitivity would not help much as it is used for charge 6-cell
    and 10-cell battery packs. It looks to me that TEA1101 is an ideal
    replacement for it. TEA1101 has a sensitivity of 0.25%. However,
    Philips no longer makes them and our local supplier does not have
    them. Now my questions:

    (1) Do you know nay supplier that may still stock them?
    (2) Any replacement chip from other manufacturers?

    Any relevant comments and suggestions would be appreciated.

    Regards,

    Sam Yang
     
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