Datasheet

LTC3880/LTC3880-1
96
3880fc
For more information www.linear.com/LTC3880
PMBus COMMAND DETAILS
Summary of the Status Registers
STATUS_BYTE
Also is the Lower Byte of
STATUS_WORD
7
6
5
4
3
2
1
0
BUSY
OFF
VOUT_OV
IOUT_OC
Reserved
TEMPERATURE
CML
NONE OF THE ABOVE
STATUS_WORD
(Upper Byte)
7
6
5
4
3
2
1
0
VOUT
IOUT/POUT
INPUT
MFR
POWER_GOOD#
Reserved
Reserved
Unknown
STATUS_VOUT
7
6
5
4
3
2
1
0
VOUT_OV Fault
VOUT_OV Warning
VOUT_UV Warning
VOUT_UV Fault
VOUT_MAX Warning
TON_MAX_FAULT
TOFF_MAX Warning
Reserved
STATUS_IOUT
7
6
5
4
3
2
1
0
IOUT_OC Fault
IOUT_OC Fault with LV Shutdown
IOUT_OC Warning
Reserved
Reserved
Reserved
Reserved
Reserved
STATUS_TEMPERATURE
7
6
5
4
3
2
1
0
OT Fault
OT Warning
Reserved
UT Fault
Reserved
Reserved
Reserved
Reserved
STATUS_CML
7
6
5
4
3
2
1
0
Invalid/Unsupported Command
Invalid/Unsupported Data
Packet Error Check Failed
Memory Fault Detected
Processor Fault Detected
Reserved
Other Communication Fault
Other Memory or Logic Fault
MFR_COMMON
7
6
5
4
3
2
1
0
CHIP NOT DRIVING ALERT LOW
CHIP NOT BUSY
CALCULATIONS NOT PENDING
OUTPUT NOT IN TRANSITION
NVM INITIALIZED
Reserved
SHARE_CLK_LOW
WP PIN
STATUS_INPUT
7
6
5
4
3
2
1
0
VIN_OV Fault
Reserved
VIN_UV Warning
Reserved
Reserved
Reserved
IIN_OC Warning
Reserved
STATUS_MFR_SPECIFIC
7
6
5
4
3
2
1
0
INTERNAL TEMP FAULT
INTERNAL TEMP WARN
NVM CRC ERROR
PLL UNLOCKED
FAULT LOG PRESENT
VDD33 OV/UV
Reserved
GPIO PIN ASSERTED LOW EXTERNALLY
3880 F28