参数资料
型号: 71M6511-DB
厂商: Maxim Integrated Products
文件页数: 57/115页
文件大小: 0K
描述: BOARD DEMO 71M6511 ENERGY METER
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:
已用 IC / 零件: 71M6511
已供物品: 2 个板,线缆,CD,电源
71M6511/71M6511H Demo Board User’s Manual
Table 2-2 summarizes the important parameters used in the calibration procedure.
Channel,
Sensor
A, Shunt
Formulae
WASUM = VA*IA
I Measurement
Using
IMAX_SHUNT
Parameters
IMAX = IMAX_SHUNT
W Pulse
Generation
WASUM
VAR Pulse
Generation
VARASUM
Resistor
VARASUM = VA*IA
WRATE =
WRATE_SHUNT
B, CT
WBSUM = VA*IB
IMAX_CT
IMAX = IMAX_CT
WBSUM
VARBSUM
VARBSUM = VA*IB
WRATE = WRATE_CT
Table 2-2: Calibration Summary
Due to Demo Code revision 3.05 offering separate IMAX parameters for channels A and B it is
possible to define individual creep settings for each channel (see section 1.10.2 for details).
2.3
POWER SAVING MEASURES
In many cases, especially when operating the TERIDIAN 71M6511/71M6511H from a battery, it is desirable
to reduce the power consumed by the chip to a minimum. This can be achieved with the measures listed in
Table 2-3.
Power Saving Measure
Disable the CE
Disable the ADC
Disable clock test output CKTEST
Disable emulator clock
Set flash read pulse timing to 33 ns
Disable the LCD voltage boost circuitry
Disable RTM outputs
Disable SSI output
Select DGND for the multiplexer input
Disable reference voltage output
Reduce the clock for the MPU
Software Control
CE_EN = 0
ADC_DIS = 1
CKOUTDIS = 1
ECK_DIS = 1
FLASH66Z =1
LCD_BSTEN = 0
RTM_EN = 0
SSI_EN = 0
TMUX [3:0] = 0
VREF_DIS = 1
MPU_DIV = 5
Typical
Savings
0.16mA
1.8mA
0.6mA
0.1mA
0.04mA
0.9mA
0.01mA
0.4mA/MHz
Table 2-3: Power Saving Measures
Revision 5.4
? 2005-2007 TERIDIAN Semiconductor Corporation
Page: 57 of 115
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