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???
08/12/10 06:06
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#177953 - driving a triac from a LPC
Responding to: ???'s previous message
Erik Malund said:
... there is an appnote about driving a triac from a LPC

NXP seem to call most of their microcontrollers "LPC" these days - were you thinking specifically of the 8051-based ones?

AltaVista gives these as 1st 2 hits for "driving a triac from a LPC" :

[PDF] AN467_1 Philips 51LPC-Microcontrollers & Triacs easily connected
146k - Adobe PDF - View as html
triac with a negative pulse from an output port via. a series current-limiting resistor. ... LPC can easily drive this current with a single. port pin thanks to its high drive ...
http://www.nxp.com/documents.../AN467.pdf

[PDF] AN10496 Vacuum cleaner with Philips P89LPC901
303k - Adobe PDF - View as html
Three port pins can provide sufficient trigger current to drive the TRIAC ... MCU power supply current is taken directly from the mains supply. A capacitor, plus. a ...
http://www.nxp.com/documents...N10496.pdf

Mains voltages involved!

List of 11 messages in thread
TopicAuthorDate
BT137 and AT89S52            01/01/70 00:00      
   Wasn't this discussed at great length...            01/01/70 00:00      
      RE: Wasn't this discussed at great length...            01/01/70 00:00      
   go through the NXP appnote list ...            01/01/70 00:00      
      driving a triac from a LPC            01/01/70 00:00      
   Driving triacs            01/01/70 00:00      
      unless ...            01/01/70 00:00      
      the lpc900 series have different port hardware            01/01/70 00:00      
      Would a 3-wheeled general-purpose farm vehicle...            01/01/70 00:00      
   Barbecue time...            01/01/70 00:00      
      Chico's problem            01/01/70 00:00      

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