ZM7300G Series Digital Power Manager
Data Sheet
Table 5. Fault and Error Propagation Scenarios
Propagation To
Auxiliary
Devices in the
Same Group as
the Faulty POL
Propagation
Propagation
Between
Groups of
POLs
POLs in the
Same Group
as the Faulty
POL
Auxiliary
Auxiliary
Devices in
Other
Propagation
Between
POLs
To Auxiliary
Devices in
Other
POLs in
Other
Groups
Protection
Triggered
Devices in the
Same Group as
the Faulty POL
Faulty POL
Groups
Groups
Regular
turn-off
Regular turn-
off
Continue
operating
Continue
operating
Continue
operating
UVP or OTP
UVP or OTP
UVP or OTP
UVP or OTP
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Disabled
Enabled
Enabled
Enabled
Disabled
Enabled
Enabled
Enabled
Any
Any
Disabled
Disabled
Enabled
Enabled
Disabled
Disabled
Enabled
Enabled
Regular
turn-off
Regular turn-
off
Turn-off with
turn-off delay
Continue
operating
Continue
operating
Regular
turn-off
Regular turn-
off
Turn-off with
turn-off delay
Regular
turn-off
Continue
operating
Disabled
Enabled
Any
Regular
turn-off
Regular turn-
off
Turn-off with
turn-off delay
Regular
turn-off
Turn-off with
turn-off delay
Tracking or
OCP
Regular turn-
off
Continue
operating
Continue
operating
Continue
operating
Fast turn-off
Fast turn-off
Fast turn-off
Fast turn-off
Tracking or
OCP
Regular turn-
off
Turn-off with
turn-off delay
Continue
operating
Continue
operating
Any
Tracking or
OCP
Regular turn-
off
Turn-off with
turn-off delay
Regular
turn-off
Continue
operating
Disabled
Enabled
Tracking or
OCP
Regular turn-
off
Turn-off with
turn-off delay
Regular
turn-off
Turn-off with
turn-off delay
OVP or
Phase
Voltage
OVP or
Phase
Voltage
OVP or
Phase
Voltage
OVP or
Phase
Fast turn-off,
low side FET
is ON
Fast turn-off,
low side FET
is ON
Fast turn-off,
low side FET
is ON
Fast turn-off,
low side FET
is ON
Continue
operating
Continue
operating
Continue
operating
Enabled
Enabled
Enabled
Enabled
Disabled
Enabled
Enabled
Enabled
Any
Any
Disabled
Disabled
Enabled
Enabled
Fast turn-off
Fast turn-off
Fast turn-off
Fast turn-off
Turn-off without
turn-off delay
Continue
operating
Continue
operating
Turn-off without
turn-off delay
Regular
turn-off
Continue
operating
Disabled
Enabled
Turn-off without
turn-off delay
Regular
turn-off
Turn-off with
turn-off delay
Voltage
ZD-00896 Rev. 5.1, 13-Jul-10
www.power-one.com
Page 22 of 33
POWER-ONE [ POWER-ONE ]
