User Manual
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V 1.0
2021-08-25
XDPP1100 technical reference manual
Digital power controller
Telemetry
Peripheral Field name
Access Address
Bits
Description
LSB = 0.15625 mV, range = 0.0 to
5.11875 V
telem
tlm_transformer_scale_l
oop
RW
7000_343Ch
(Loop 0)
7000_383Ch
(Loop 1)
[11:0]
Ratio of V
RECT
to V
IN
. For HB equal to
N
turn_sec
/ (2 * N
turn_pri
), otherwise
equal to N
turn_sec
/ N
turn_pri
.
Computed by FW from PMBus as
follows:
exp =
$signed(MFR_TRANSFORMER_SCAL
E[15:11]), exp = -10, -11, -12
supported
hb = 1 if HB topology and 0
otherwise
if (hb==0 && exp==-10)
tlm_vrect_scale_loop[11:0] =
{MFR_TRANSFORMER_SCALE[9:0],
00}
else if (hb==0 && exp==-11)
tlm_vrect_scale_loop[11:0] = {0,
MFR_TRANSFORMER_SCALE[9:0], 0}
else if (hb==0 && exp==-12)
tlm_vrect_scale_loop[11:0] = {00,
MFR_TRANSFORMER_SCALE[9:0]}
else if (hb==1 && exp==-10)
tlm_vrect_scale_loop[11:0] = {0,
MFR_TRANSFORMER_SCALE[9:0], 0}
else if (hb==1 && exp==-11)
tlm_vrect_scale_loop[11:0] = {00,
MFR_TRANSFORMER_SCALE[9:0]}
else if (hb==1 && exp==-12)
tlm_vrect_scale_loop[11:0] = {000,
MFR_TRANSFORMER_SCALE[9:1]}
LSB = 2^-12, range = 0.0 to 0.99976
telem
tlm_vrect_scale_loop
RW
7000_3440h
(Loop 0)
7000_3840h
(Loop 1)
[11:0]
V
RECT
sense resistor scale value.
Computed by FW from PMBus as
follows:
exp = $signed(MFR_VRECT_SCALE
[15:11]), exp=-10, -11, -12
supported
tlm_vrect_scale_loop[11:0] =
MFR_VRECT_SCALE[9:0] <<
(exp + 12)
LSB = 2^-12, range = 0.0 to 0.99976
telem
tlm_vout_scale_loop
RW
7000_3444h
(Loop 0)
7000_3844h
(Loop 1)
[15:0]
V
OUT
sense resistor scale value.
Computed by FW from PMBus as
follows:
tlm_vout_scale_loop(U0.16) =
VOUT_SCALE_LOOP(U0.16)
LSB = 2^-16, range = 0.0 to 0.9998
