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dc1697af
DEMO MANUAL DC1697A
HARDWARE SETUP
Figure 5. Current Monitoring in a –48V System with the DC590 Providing Isolation
Jumper VDD_SEL set to EXTVDD with the –48V input tied
to VIN and GND and the –48V Return tied to EXTVDD. The
DC590 provides isolation and level shifting, as the I
2
C
interface is operating at –48V with respect to –48V RTN,
which is normally at earth ground potential.
–48V RETURN
–48V INPUT
–48V RETURN
LOAD
dc1697A F05
TO DC590 (PROVIDES ISOLATION)
