Analog Devices LT7170 Reference Manual page 9

Reference Manual
PMBUS COMMAND SUMMARY
Table 2. Abbreviations of Supported Data Formats
PMBus Terminology
Register
IEEE IEEE 754 half-precision
floating point
1
Empty cells are left blank intentionally.
analog.com
1
PMBus
Specification
Reference Definition
Per bit meaning defined in each command description.
value = −1
Rev 1.3.1 Part II Floating point 16-bit data: for normal values,
8.4.4
S = Bits[15], N = Bits[14:10], M = Bits[9:0].
s
N − 15 M
× 2 × 1 +
1024
, where
LT7170/LT7170-1
Example
PMBus STATUS_BYTE command
384
0 17−15
Bits[15:0] = 0x4580 = (−1) × 2
1024
) = 5.5
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× (1+