car central locking tactuators

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deepakgupta.rf

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hello everyone,
i am helpless to know about car central locking door-gun( tactuators).about its current specification.and i need to use 4 tactuators through microcontroller.so which ic i shud use to operate these guns for lock/unlock doors,so that his ic can take load of motors.
and make work easy....
plz give e some idea....
 

Use a BJT transistor per motor. The in-rush current will bee a few amps for less than a msecs. The steady state current 20 mA for 500 msecs .
Take care of the over current as the actuator runs into the end stop or provide position sensing interlocking
 
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