Other Parts Discussed in Thread: TPS27SA08
Hi
We're experiencing and extrange behavior using this eFUSE.
For a new design of a shackle controller, we're using TPS26630 as a main switch for +24V comming from LiPo battery.
The ouput of the eFuse is feed into TPS27SA08 HS smart switch that controls a 24V DC Motor that generates pressure for pneumatic system. Both, eFuse and HS Switch are controlled by an MCU.
At frist time, we enable the eFuse and wait for PG signal, after that, if its needed, we enable DC Motor by enabling the HS Switch.
Most of times, when we enable the DC Motor, the noise generated by its operation is causing and extrange behavior, the FLT pin of TPS26630 is asserted and event we configured the mode to retry by connect pin 11 to GND, the eFuse remains on Fault and the output is generating pulses about +4V
We're sure that the problem is the DC motor, but, there's any way of filter or protect the eFuse from this?
Regards,
