3 Responses to “Voltage Supervisors”

1. admin says:

   March 30 at 7:23 am

   In article <32F902FE.1…@hns.com>, kdruc…@hns.com writes…

   >I am looking for a voltage supervisor IC that has the following
   >functionality:

   >+5.0 undervoltage indication
   >+5.0 overvoltage indication
   >+3.3 undervoltage indication
   >+3.3 overvoltage indication

   >All in one IC.  Does any one know of such an animal?

   Why not use an LM339 comparitor and a few resistors?

   Bob.
2. admin says:

   March 30 at 7:23 am

   - Hide quoted text — Show quoted text -

   Bob Wilson wrote:
   

   > In article <32F902FE.1…@hns.com>, kdruc…@hns.com writes…

   > >I am looking for a voltage supervisor IC that has the following
   > >functionality:

   > >+5.0 undervoltage indication
   > >+5.0 overvoltage indication
   > >+3.3 undervoltage indication
   > >+3.3 overvoltage indication

   > >All in one IC.  Does any one know of such an animal?

   > Why not use an LM339 comparitor and a few resistors?

   > Bob.

   The MC3425P1 does over/under in one package, the MC33161P does two
   universal monitors, so you could do 2 voltages, but I haven’t seen one
   that does all 4 at once.

   Nick

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3. admin says:

   March 30 at 7:23 am

   Maxim has the MAX8213-MAX8216 family, which each have 5 voltage monitors
   that can be set to various undervoltage/overvoltage thresholds.

   Take a look at their website (www.maxim-ic.com).

   -gary