STEVAL-IPE010V1 STMicroelectronics, STEVAL-IPE010V1 Datasheet - Page 37

• Manufacturer Part Number: STEVAL-IPE010V1
• Description: KIT DEMO ENERGY METER STPMC1/S1
• Manufacturer: STMicroelectronics
• Type: Other Power Managementr

Specifications of STEVAL-IPE010V1

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: No
• Utilized Ic / Part: STPMC1, STPMS1
• Maximum Operating Temperature: + 85 C
• Product: Power Management Development Tools
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: STPMC1, STPMS1
• Other names: 497-10754

STPMC1
Table 20.
9.14
Table 21.
9.15
(2 bits)
ABS
0
1
2
3
APL (2 bits)
2
3
3-phase Ferraris mode
Absolute accumulation per
phase
Ferraris mode per phase
Signed accumulation
LED pin configuration for APL = 2, 3
Negative power accumulation (configuration bit ABS, status
bit SIGN)
The ABS bits govern energy accumulation in case of negative power; they only affect active
power P and fundamental active power F.
The 3-ph status bit SIGN depends upon 3-ph cumulative power direction while the phase
status bits SIGN
Table 21
Accumulation mode for negative power
Phase delay calculation
The STPMC1 allows the calculation of the phase delays between voltages. If the line
frequency f
Accumulation mode
shows power calculation modes according to ABS
line
KMOT (2 bits)
is 50 Hz, a 120° phase delay corresponds to 6.7 ms.
X
depends upon phase X power direction.
0
1
2
3
-
P = P
P = |P
if P
P = P
P = P
Power calculation
X
< 0
Doc ID 15728 Rev 4
R
R
R
R
+ P
| + |P
+ P
+ P
P
S
S
S
Active energy wide band P
Active energy wide band P
X
S
+ P
+ P
+ P
| + |P
= 0
LED energy output
T
T
T
T
|
P < 0
P
P
P
P < 0
P
3-ph SIGN
0
0
0
0
SIGN = 0
SIGN = 1
SIGN = 1
SIGN = 1
SIGN = 0
SIGN = 1
P < 0
P
P
P
P < 0
P
Phase
3-ph
3-ph
Theory of operation
0
0
0
0
MA - MB
MA and MB low
see
see
see
see
see
Figure 12
Figure 12
Figure 12
Figure 12
Figure 12
C/128
C/256
Freq
C/64
C/32
C
37/77