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08/12/02 10:36
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#27113 - RE: Relay driver for 8051
Look at infineon integrated drivers
(TLE6220, BTSxxx, BSPxxx, ...)
These drivers are driven with a logic state, are protected against overheat and short-circuits. Most of them are designed to control relays and have the freewheel diode integrated
Some of them have a diagnosis thru SPI or analog output.
The only problem I've seen is that when a quad driver has an output in short-circuit and if you don't deactivate this one by software, the overheating could pertubate an other driver which isn't in failure. You should take care of this for example by doing a little FMEA (Failure Mode Effect and Analysis)

List of 19 messages in thread
TopicAuthorDate
Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Felix            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver // Farooq            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      
RE: Relay driver for 8051 Ijaz            01/01/70 00:00      
RE: Relay driver // Steve            01/01/70 00:00      
RE: Relay driver for 8051/ijaz            01/01/70 00:00      
RE: Relay driver // Steve/active low            01/01/70 00:00      
RE: Relay driver // Farooq            01/01/70 00:00      
RE: Relay driver for 8051            01/01/70 00:00      

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