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参数资料
| 型号： | 71M6513-IGTR/F |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 封装： | LEAD FREE, LQFP-100 |
| 文件页数： | 74/104页 |
| 文件大小： | 1390K |
| 代理商： | 71M6513-IGTR/F |
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71M6513/71M6513H
3-Phase Energy Meter IC
DATA SHEET
SEPTEMBER 2011
2005-2011 Teridian Semiconductor Corporation
Page: 71 of 104
A Maxim Integrated Products Brand
CE
Address
Name
Description
0x33
FREQSEL
Selected phase for the frequency monitor, the phase-to-phase voltage
measurements, and voltage zero crossings:
Phase A: 0 (default)
Phase B: 1
Phase C: 2
0x41
FREQ_X
Fundamental frequency. LSB
6
32
10
587
.
0
2
≈
≡ S
F
Hz
0x4A
I0SQSUM_X
The sum of squared current samples from each element.
LSB = 9.4045*10
-13 IMAX2 / In_82 A2h
0x4B
I1SQSUM_X
0x4C
I2SQSUM_X
0x4D
INSQSUM_X
The sum of squared current samples from the calculated neutral:
∑
+
2
1
0
)
(
I
.
LSB = 1.2539*10
-12 IMAX2 / In_82 A2h
0x4E
V0SQSUM_X
The sum of squared voltage samples from each element.
LSB= 9.4045*10
-13 VMAX2 V2h
0x4F
V1SQSUM_X
0x50
V2SQSUM_X
0x5A
V3SQSUM_X
The sum of squared voltage samples from the V3 input. If CAL_V3 =
8192, then LSB = 9.4045*10
-13 VMAX2 V2h or 9.4045*10-13 IMAX2 I2h
The RMS values can be computed by the MPU from the squared current and voltage samples as per the formulae:
Other Measurement Parameters
PH_AtoB_X and PH_AtoC_X contain phase angle information between the phase voltages, depending on the setting of
FREQ_SEL, as shown in the table below. The phase angle information can be used for phase sequencing and error detection.
If the voltage at the selected phase is missing, the meter accuracy will be reduced.
To maintain accuracy, FREQ_SEL must be set to a phase with an active voltage. For example, in a system where
phase A is lost (which can be detected using the SAG bits or by comparing the voltage VA with a lower limit),
FREQ_SEL must be set to an alternative phase to maintain accuracy.
MAINEDGE_X is 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 of the phase specified in the FREQ_SEL register.
ACC
S
RMS
N
F
LSB
VxSQSUM
Vx
=
3600
ACC
S
RMS
N
F
LSB
IxSQSUM
Ix
=
3600
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6515H | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Energy Meter IC |
| 71M6515H_11 | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Up to 10ppmC precision ultra-stable voltage reference Digital temperature compensation |
| 71M6515H-DB | 功能描述:开发板和工具包 - 8051 71M6515H 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: |
| 71M6515H-IGT | 制造商:Maxim Integrated Products 功能描述:METERING FRONT END - Rail/Tube |
| 71M6515H-IGT/F | 功能描述:计量片上系统 - SoC 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 |
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