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Original question:

Galvanic Isolators

ISO1042-Q1: CAN and RS485 Isolation hardware review

Manjunath G14
Expert 2075 points
Part Number: ISO1042-Q1

Hi TI team,

Please find the attached schematic of CAN and RS485 Isolation circuit including Power isolation for them and kindly review the same.

CAN-Isolator.pdf

One major concern here is can it be possible for TPS76350QDBVRQ1" LDO to drive both CAN and RS485 Isolators and 2 mmore digital Isolators are also there in my design?

I don't think so because LDO output current is 150mA, So Please suggest a LDO with lower dropout voltage, because LDO input will also be 5V appr.

Please check the circuit and support on this part ASAP.

Thanks

Manjunath