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参数资料
| 型号： | 71M6515H-IGTWR/F |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP64 |
| 封装： | LEAD FREE, LQFP-64 |
| 文件页数： | 40/60页 |
| 文件大小： | 826K |
| 代理商： | 71M6515H-IGTWR/F |
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71M6515H
Energy Meter IC
DATA SHEET
JULY 2011
Page: 45 of 60
2005
2011 Teridian Semiconductor Corporation
1.6
A Maxim Integrated Products Brand
Since the RMS calculation involves the post-processor, these registers will not be functional when the CE_ONLY bit in the
CONFIG register is set. If higher precision is required, the host must calculate the RMS currents from the values in the
IASQSUM, IBSQSUM, and ICSQSUM registers. For even higher precision, the IASQFRACT, IBSQFRACT, ICSQFRACT
registers should be used.
Example: The register IRMS_C reads the value 2,079,670. Assuming IMAX to be 208A, and using the formula
above, we determine the RMS current of phase C to:
A
I
RMS
0385
.
0
60
208
10
8781
.
6
2079670
9
=
=
VASQSUM (0x3D), VBSQSUM (0x3E), VCSQSUM (0x3F)
These registers hold the sum of the squared voltage samples collected during the previous accumulation interval. The
values for VASQSUM, VBSQSUM, and VCSQSUM are provided directly by the CE and are not post-processed. The
magnitude of the accumulated samples is determined by:
h
V
VMAX
LSB
2
13
2
10
4045
.
9
=
VAH_A (0x06), VAH_B (0x07), VAH_C (0x08)
These registers hold the apparent energy collected during the previous accumulation interval. The magnitude of the
accumulated samples is determined by:
VAh
In
IMAX
VMAX
LSB
8
_
10
4045
.
9
13
=
Since the VAh calculation involves the post-processor, these registers will not be functional when the CE_ONLY bit in the
CONFIG register is set.
VARH_A (0x03), VARH_B (0x04), VARH_C (0x05)
These registers hold the reactive energy collected during the previous accumulation interval. The magnitude of the
accumulated samples is determined by:
VARh
In
IMAX
VMAX
LSB
8
_
10
4045
.
9
13
=
VPHASE_ABC (0x10)
This register holds the phase angle between the voltages of phases A/C and A/B. The LSB is one degree.
Bits 15-0: These bits (VPHASE_AC) hold the phase angle between VA and VC.
Bits 31-16: These bits (VPHASE_AB) hold the phase angle between VA and VB.
VRMS_A (0x09), VRMS_B (0x0A), VRMS_C (0x0B)
These registers hold the post-processed RMS voltage for each phase. Only the 16 most significant bits are used. The
magnitude of the values is determined by:
rms
V
CYCLES
SUM
VMAX
LSB
_
10
8781
.
6
9
=
Since the RMS calculation involves the post-processor, these registers will not be functional when the CE_ONLY bit in the
CONFIG register is set.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6521BE | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Energy Meter IC |
| 71M6521BE-DB | 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 71M6521BE Demo Brd |
| 71M6521BE-IGT/F | 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 |
| 71M6521BE-IGT/F1 | 功能描述:计量片上系统 - SoC 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 |
| 71M6521BE-IGTR/F | 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 |
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