参数资料
| 型号： | 71M6521FE-DB |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 87/107页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO FOR 71M6521FE |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电度表/功率表 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | 71M6521 |
| 已供物品： | 2 个板，线缆，CD，电源 |
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71M6521DE/DH/FE Data Sheet
if VMAX = 600V. The LSB value is VMAX * 4.255*10 V (peak).
CE
Address
0x7C
0x7B
0x12
0x14
Name
MAINEDGE_X
TEMP_RAW_X
GAIN_ADJ
SAG_THR
Default
N/A
N/A
16384
443000
Description
The number of zero crossings of the selected voltage in the previous ac-
cumulation interval. Zero crossings are either direction and are debounced.
Filtered, unscaled reading from the temperature sensor.
Scales all voltage and current inputs. 16384 provides unity gain.
The threshold for sag warnings. The default value is equivalent to 80V RMS
-7
GAIN_ADJ is a scaling factor for measurements based on the temperature. GAIN_ADJ is controlled by the MPU for
temperature compensation.
Pulse Generation
The maximum value for WRATE is 2
– 1.
* WRATE * X * 2 -14 . This input is buffered and can be
APULSER * F S *2
CE
Address
0x11
0x0E
0x0F
Name
WRATE
APULSEW
APULSER
Default
122
0
0
Description
Kh = VMAX * IMAX *47.1132 / ( In_8 * WRATE *N ACC *X) Wh/pulse. The default
value results in a Kh of 3.2Wh/pulse when 2520 samples are taken in each
accumulation interval (and VMAX=600, IMAX = 208, In_8 = 1, X = 6).
15
Watt pulse generator input (see DIO_PW bit). The output pulse rate is:
APULSEW * F S * 2 -32 * WRATE * X * 2 -14 . This input is buffered and can be
loaded during a computation interval. The change will take effect at the
beginning of the next interval.
VAR pulse generator input (see DIO_PV bit). The output pulse rate is:
-32
loaded during a computation interval. The change will take effect at the
beginning of the next interval.
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 = 1Wh/pulse, a power applied to the meter of 120V and
30A results in one pulse per second. If the load is 240V at 150A, ten pulses per second will be generated.
The maximum pulse rate is 7.5kHz.
The maximum time jitter is 67μs and is independent of the number of pulses measured. Thus, if the pulse generator
is monitored for 1 second, the peak jitter is 67ppm. After 10 seconds, the peak jitter is 6.7ppm.
The average jitter is always zero. If it is attempted to drive either pulse generator faster than its maximum rate, it will
simply output at its maximum rate without exhibiting any rollover characteristics. The actual pulse rate, using WSUM
as an example, is:
RATE =
WRATE ? WSUM ? F S ? X
2 46
Hz ,
where F S = sampling frequency (2520.6Hz), X = Pulse speed factor
Rev 3
Page: 87 of 107
相关PDF资料 |
PDF描述 |
|---|---|
| 71M6531F-DB | BOARD DEMO 71M6531F |
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| 71M6534H-DB | BOARD DEMO 71M6534H |
| 71M6541F-DB | DEMO BOARD 71M6541F |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6521FE-IGT | 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC |
| 71M6521FE-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 |
| 71M6521FE-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 |
| 71M6521FE-IGTR | 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC |
| 71M6521FE-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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