cs5463 Cirrus Logic, Inc., cs5463 Datasheet - Page 31

• Manufacturer Part Number: cs5463
• Description: Single-phase Bi-directional Power/energy Ic
• Manufacturer: Cirrus Logic, Inc.

6.1.14 Temperature Register ( T )
6.1.15 Average and Instantaneous Reactive Power Register ( Q
6.1.16 Peak Current and Peak Voltage Register ( I
DS678F2
MSB
MSB
MSB
-(2
-(2
-(2
7
Address: 20 (Average Reactive Power) and 21 (Instantaneous Reactive Power)
0
Average Reactive Power (Q
is represented in two's complement notation and in the range of -1.0 < Q, Q
right of the MSB.
0
IHPF (VHPF)
IIR
E3MODE[1:0] E3 Output Mode
POS
AFC
Address: 19
T contains measurements from the on-chip temperature sensor. Measurements are performed during continu-
ous conversions, with the default the Celsius scale (
and in the range of -128.0 ≤ T < 128.0, with the binary point to the right of the eighth MSB.
The Instantaneous Reactive Power (Q) is the product of the voltage, shifted 90 degrees, and the current. The
Address: 22 (Peak Currect) and 23 (Peak Voltage)
The Peak Current (I
the greatest magnitude detected during the last computation cycle. The value is represented in two's comple-
ment notation and in the range of -1.0 ≤ I
)
)
)
2
2
2
-1
-1
6
2
2
2
-2
-2
5
0 = High-pass filter disabled (default)
1 = High-pass filter enabled
0 = IIR compensation filters enabled (default)
1 = IIR compensation filters disabled
00 = Reactive Power (default)
10 = Voltage sign
press negative P Register results.
generator used in fundamental/harmonic measurements. When AFC is enabled, the Epsilon
register will be updated periodically.
Enables the high-pass filter on the current (voltage) channel.
Note: When either IHPF or VHPF are enabled, but not both, an all-pass filter is applied to the
Enables the IIR compensation filters.
01 = PFMON
11 = Apparent Power
Positive Energy Only. Negative energy pulses on E1 are suppressed. However, it will NOT sup-
Enables automatic line-frequency measurement and sets the frequency of the local sine/cosine
2
2
peak
2
-3
-3
4
opposite channel for phase matching.
) and Peak Voltage (V
2
2
2
-4
AVG
-4
3
) is Q averaged over N samples. The results are signed values with. The value
2
2
2
-5
-5
2
2
2
peak
2
-6
-6
1
, V
peak
peak
2
2
2
-7
-7
) registers contain the instantaneous current and voltage with
0
o
< 1.0, with the binary point to the right of the MSB.
C). The value is represented in two's complement notation
peak
.....
.....
.....
, V
2
2
2
peak
-10
-17
-17
)
2
2
2
-18
-18
-11
AVG
AVG
, Q )
2
2
2
-12
-19
-19
< 1.0, with the binary point to the
2
2
2
-13
-20
-20
2
2
2
-14
-21
-21
CS5463
2
2
2
-15
-22
-22
LSB
LSB
LSB
2
2
2
-16
-23
-23
31