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| 型号： | 71M6531F-IMR/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 93/121页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 256KB 68-QFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | * |
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FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
LSB I = 6.6952*10
IMAX / In_8 A h
0x90
I1SQSUM_X
-13
2 2 2
LSB V = 6.6952*10
VMAX V h
ISQn = InSQSUM_X + 2
* InSQRES_X
0x93
0x94
0x45
0x46
0x47
0x48
0x99
0x9A
V0SQSUM_X
V1SQSUM_X
WSUM_ACCUM
VSUM_ACCUM
SUM3_ACCUM
SUM4_ACCUM
I0SQRES_X
I1SQRES_X
The sum of squared voltage samples from each element.
-13 2 2
These registers contain roll-over accumulators for WPULSE and
VPULSE respectively.
These registers contain roll-over accumulators for pulse outputs
XPULSE and YPULSE respectively.
These registers hold residual current measurements with double-
precision accuracy. The exact current ISQn is:
32
The RMS values can be computed by the MPU from the squared current and voltage samples as follows:
Ix RMS =
IxSQSUM ? LSB I ? 3600 ? F S
N ACC
Vx RMS =
VxSQSUM ? LSB V ? 3600 ? F S
N ACC
Other Measurement Parameters
?
?
?
?
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
0x83
0x81
0x9D
0x40
0x84
Name
MAINEDGE_X
TEMP_RAW_X
TEMP_X
GAIN_ADJ
VBAT_SUM_X
Default
N/A
N/A
N/A
16384
N/A
Description
The number of zero crossings of the voltage selected with
FREQSELn in the previous accumulation interval. Zero crossings
are either direction and are debounced.
The filtered, un-scaled reading from the temperature sensor.
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.
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.
Output of the battery measurement. This value is equivalent to
twice the measured ADC value.
4.3.8
Pulse Generation
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 .
Rev 2
93
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相关代理商/技术参数 |
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| 71M6531F-MR/F/PE2 | 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6531F-MR/F/PE3 | 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6531F-MR/F/PE4 | 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6531F-MR/F/PE5 | 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6531-IMTR | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
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