iC-JX
16-FOLD 24 V HIGH-SIDE DRIVER WITH µC INTERFACE
Rev C1, Page 35/36
Via SECLK(1:0) in control word 3B the clocked filtering Forced shutdown of output stages
for the I/O signals and overcurrent messaging can also The output stages can be forcibly shutdown at input
be deactivated. The same behavior can be obtained by POE. A ’1’ enables logic access to the drivers; a
setting BYP0, BYP1, BYP2 and BYP3 in control word ’0’ disables this. This function allows a processor-
1 (addresses 0x14 and 0x15) together with BYPSCF independent watchdog to lock the outputs in the event
in control word 4 (address 0x1A); all filters are avoided of error, for example. An integrated pull-down resistor
by way of a bypass circuit. Here it must be noted that increases safety.
interferences in the line can lead to the unwanted dis-
play of interrupts.
DESIGN REVIEW: Notes On Chip Functions
iC-JX X2 (and previous)
No. Function, Parameter/Code
Description and Application Hints
1
Leakage current beyond operating conditions (Elec- During operation, supply voltages VCC, VDD and
trical Characteristics Item No. 019
VB1..VB4 must already be present and stable
to avoid elevated leakage currents at pins IOx
(x=1..16).
Table 8: Notes on chip functions regarding iC-JX chip version X2 and previous versions
iC-JX X3
No. Function, Parameter/Code
Leakage current beyond operating conditions (Elec- Leakage currents < 200 µA
trical Characteristics Item No. 019
Description and Application Hints
1
Table 9: Notes on chip functions regarding iC-JX version X3
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