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dc1697afa
DEMO MANUAL DC1697A
HARDWARE SETUP
Figure 5. Current Monitoring in a –48V System with the DC590 Providing Isolation
–48V systems can also be monitored by simply setting
VDD_SEL 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)
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