Smart Highside Power Switch - Farnell
Smart Highside Power Switch - Farnell
Smart Highside Power Switch - Farnell
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Timing diagrams<br />
Figure 1a: <strong>Switch</strong>ing a resistive load,<br />
change of load current in on-condition:<br />
I IN<br />
V OUT<br />
90%<br />
10%<br />
I L<br />
I IS<br />
t on<br />
dV/dton<br />
t t<br />
slc(IS)<br />
Load 1 Load 2<br />
t son(IS)<br />
tsoff(IS)<br />
t off<br />
slc(IS)<br />
dV/dtoff<br />
The sense signal is not valid during a settling time<br />
after turn-on/off and after change of load current.<br />
t<br />
PROFET® BTS 6133D<br />
Figure 2a: <strong>Switch</strong>ing motors and lamps:<br />
Data Sheet Page 12 of 17 Rev. 1.0, 2007-02<br />
I IN<br />
V OUT<br />
I IL<br />
I IS I IS,faut / I IS,lim<br />
As long as V bIS < V Z,IS the sense current will never<br />
exceed I IS,fault and/or I IS,lim .<br />
Figure 2b: <strong>Switch</strong>ing an inductive load:<br />
I IN<br />
V OUT<br />
I L<br />
I IS<br />
V ON(CL)<br />
t<br />
t
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