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| 型号： | 71M6531D-IM/F |
| 厂商： | TERIDIAN SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
| 封装： | LEAD FREE, QFN-68 |
| 文件页数： | 114/120页 |
| 文件大小： | 2477K |
| 代理商： | 71M6531D-IM/F |
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FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
v1.3
2005-2010 TERIDIAN Semiconductor Corporation
93
0x90
I1SQSUM_X
LSBI = 6.6952*10
-13 IMAX2 / In_82 A2h
0x93
V0SQSUM_X
The sum of squared voltage samples from each element.
LSBV= 6.6952*10
-13 VMAX2 V2h
0x94
V1SQSUM_X
0x45
WSUM_ACCUM
These registers contain roll-over accumulators for WPULSE and
VPULSE respectively.
0x46
VSUM_ACCUM
0x47
SUM3_ACCUM
These registers contain roll-over accumulators for pulse outputs
XPULSE and YPULSE respectively.
0x48
SUM4_ACCUM
0x99
I0SQRES_X
These registers hold residual current measurements with double-
precision accuracy. The exact current ISQn is:
ISQn = InSQSUM_X + 2
32 * InSQRES_X
0x9A
I1SQRES_X
The RMS values can be computed by the MPU from the squared current and voltage samples as follows:
ACC
S
I
RMS
N
F
LSB
IxSQSUM
Ix
=
3600
Other Measurement Parameters
Table 63 describes the CE measurement parameters listed below:
MAINEDGE_X: Useful for implementing a real-time clock based on the input AC signal. MAINEDGE_X
is the number of half-cycles accounted for in the last accumulated interval for the AC signal.
TEMP_RAW: May be used by the MPU to monitor the chip temperature or to implement temperature
compensation.
GAIN_ADJ: A scaling factor for measurements based on the temperature. GAIN_ADJ can be controlled
by the MPU for temperature compensation.
VBAT_SUM_X: This result can be used to calculate the measured battery voltage (VBAT).
Table 63: Useful CE Measurement Parameters
CE
Address
Name
Default
Description
0x83
MAINEDGE_X
N/A
The number of zero crossings of the voltage selected with
FREQSELn in the previous accumulation interval. Zero crossings
are either direction and are debounced.
0x81
TEMP_RAW_X
N/A
The filtered, un-scaled reading from the temperature sensor.
0x9D
TEMP_X
N/A
This register contains the difference between the die temperature
and the reference/calibration temperature as established in the
TEMP_NOM register, measured in 0.1°C.
0x40
GAIN_ADJ
16384
Scales all voltage and current inputs. A value of 16384 provides
unity gain. This register is used by the CE or by the MPU to
implement temperature compensation.
0x84
VBAT_SUM_X
N/A
Output of the battery measurement. This value is equivalent to
twice the measured ADC value.
4.3.8
Pulse Generation
Table 64 describes the CE pulse generation parameters WRATE, APULSEW, APULSER, APULSE2 and
APULSE3.
WRATE controls the number of pulses that are generated per measured Wh and VARh quantities. The lower
WRATE is the slower the pulse rate for measured energy quantity. The metering constant Kh is derived from
WRATE as the amount of energy measured for each pulse. That is, if Kh = 1 Wh/pulse, a power applied
to the meter of 120 V and 30 A (3,600 W) results in one pulse per second. If the load is 240 V at 150 A
(36,000 W), ten pulses per second will be generated.
The maximum pulse rate is 7.5 kHz for APULSEW and APULSER and 1.2 kHz for APULSE2 and APULSE3.
ACC
S
V
RMS
N
F
LSB
VxSQSUM
Vx
=
3600
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相关代理商/技术参数 |
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| 71M6531F-DB | 功能描述:开发板和工具包 - 8051 71M6531F Demo Brd RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:C8051F960, Si7005 核心: 接口类型:USB 工作电源电压: |
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