LTC3883 Datasheet, PDF (97/112 Pages) Linear Technology – Single Phase Step-Down DC/DC Controller with Digital Power System Management

LTC3883/LTC3883-1
PMBus Command Details
Summary of the Status Commands
STATUS_VOUT
7 VOUT OV Fault
6 VOUT OV Warning
5 VOUT UV Warning
4 VOUT UV Fault
3 VOUT MAX Warning
2 TON MAX FAULT
1 TOFF MAX Warning
0 Reserved
STATUS_IOUT
7 IOUT_OC Fault
6 Reserved
5 IOUT_OC Warning
4 Reserved
3 Reserved
2 Reserved
1 Reserved
0 Reserved
STATUS_TEMPERATURE
7 OT Fault
6 OT Warning
5 Reserved
4 UT Fault
3 Reserved
2 Reserved
1 Reserved
0 Reserved
STATUS_WORD
(Upper Byte)
7 VOUT
6 IOUT/POUT
5 INPUT
4 MFR
3 POWER_GOOD#
2 Reserved
1 Reserved
0 Unknown
STATUS_BYTE
Also is the Lower Byte of
STATUS_WORD
7 BUSY
6 OFF
5 VOUT_OV
4 IOUT_OC
3 Reserved
2 TEMPERATURE
1 CML
0 NONE OF THE ABOVE
STATUS_INPUT
7 VIN OV Fault
6 Reserved
5 VIN UV Warning
4 Reserved
3 Reserved
2 Reserved
1 IIN_OC Warning
0 Reserved
STATUS_MFR_SPECIFIC
7 INTERNAL TEMP FAULT
6 INTERNAL TEMP WARN
5 FACTORY NVM CRC ERROR
4 PLL UNLOCKED
3 FAULT LOG PRESENT
2 VDD33 OV/UV
1 Reserved
0 GPIO PIN ASSERTED LOW EXTERNALLY
STATUS_CML
7 Invalid/Unsupported Command
6 Invalid/Unsupported Data
5 Packet Error Check Failed
4 Memory Fault Detected
3 Processor Fault Detected
2 Reserved
1 Other Communication Fault
0 Other Memory or Logic Fault
MFR_COMMON
7 CHIP NOT DRIVING ALERT LOW
6 CHIP NOT BUSY
5 CALCULATIONS NOT PENDING
4 OUTPUT NOT IN TRANSISTION
3 NVM INITIALIZED
2 Reserved
1 SHARE_CLK_LOW
0 WP PIN
3883f
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