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LTC2977 Datasheet(PDF) 47 Page - Analog Devices

Part # LTC2977
Description  30V to 58V Input, Dual 30A, Single 60A 關Module Regulator with Digital Power System Management
PDF  138 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC2977 Datasheet(HTML) 47 Page - Analog Devices

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LTM4664A
47
Rev. 0
For more information www.analog.com
Figure 9. LTM4664A PSM Status Register Summary
(PAGED)
MFR_PADS
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
VDD33 OV Fault
VDD33 UV Fault
(reads 0)
(reads 0)
Invalid ADC Result(s)
SYNC Clocked by External Source
Channel 1 is POWER_GOOD
Channel 0 is POWER_GOOD
LTM4664A Forcing RUN1 Low
LTM4664A Forcing RUN0 Low
RUN1 Pin State
RUN0 Pin State
LTM4664A Forcing FAULT1 Low
LTM4664A Forcing FAULT0 Low
FAULT1 Pin State
FAULT0 Pin State
STATUS_MFR_SPECIFIC
7
6
5
4
3
2
1
0
(PAGED)
4664A F09
STATUS_INPUT
7
6
5
4
3
2
1
0
MFR_INFO
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
EEPROM ECC Status
Reserved
Reserved
Reserved
Reserved
STATUS_WORD
STATUS_BYTE
7
6
5
4
3
2
1
0
(PAGED)
MFR_COMMON
7
6
5
4
3
2
1
0
Chip Not Driving ALERT Low
Chip Not Busy
Internal Calculations Not Pending
Output Not In Transition
EEPROM Initialized
(reads 0)
SHARE_CLK_LOW
WP Pin High
STATUS_TEMPERATURE
7
6
5
4
3
2
1
0
STATUS_CML
7
6
5
4
3
2
1
0
STATUS_VOUT*
7
6
5
4
3
2
1
0
(PAGED)
STATUS_IOUT
7
6
5
4
3
2
1
0
(PAGED)
MASKABLE
DESCRIPTION
General Fault or Warning Event
General Non-Maskable Event
Dynamic
Status Derived from Other Bits
Yes
No
No
No
GENERATES ALERT
Yes
Yes
No
Not Directly
BIT CLEARABLE
Yes
Yes
No
No
VOUT_OV Fault
VOUT_OV Warning
VOUT_UV Warning
VOUT_UV Fault
VOUT_MAX Warning
TON_MAX Fault
TOFF_MAX Warning
(reads 0)
IOUT_OC Fault
(reads 0)
IOUT_OC Warning
(reads 0)
(reads 0)
(reads 0)
(reads 0)
(reads 0)
OT Fault
OT Warning
(reads 0)
UT Fault
(reads 0)
(reads 0)
(reads 0)
(reads 0)
Invalid/Unsupported Command
Invalid/Unsupported Data
Packet Error Check Failed
Memory Fault Detected
Processor Fault Detected
(reads 0)
Other Communication Fault
Other Memory or Logic Fault
15
14
13
12
11
10
9
8
VOUT
IOUT
INPUT
MFR_SPECIFIC
POWER_GOOD#
(reads 0)
(reads 0)
(reads 0)
BUSY
OFF
VOUT_OV
IOUT_OC
(reads 0)
TEMPERATURE
CML
NONE OF THE ABOVE
VIN_OV Fault
(reads 0)
VIN_UV Warning
(reads 0)
Unit Off for Insuffcient VIN
(reads 0)
IIN_OC Warning
(reads 0)
Internal Temperature Fault
Internal Temperature Warning
EEPROM CRC Error
Internal PLL Unlocked
Fault Log Present
VDD33 UV or OV Fault
VOUT Short Cycled
FAULT Pulled Low By External Device
DUAL 25A/30A PSM OPERATION



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