Hi,
we designed a relay driver using the DRV110. Connected are 1-4 relays of the type LEV200A6NAA with about 1m wire. Basically its the circuit of the DRV110EVM, but we added some components against EMI. The problem we get with this circuit is, that the resistor R3 reaches temperatures about 70 to 80 degree and also the temperature of the DRV110 and V8 rises to 50 degree. We already tried some other resistor combinations for hold current and frequency, but we didn't get it cold. The DRV110EVM in the same configuration does not get hot.