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參數(shù)資料
| 型號： | ADE7763ARSRL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Single-Phase Active and Apparent Energy Metering IC |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封裝： | MO-150AE, SSOP-20 |
| 文件頁數(shù)： | 37/56頁 |
| 文件大?。?/td> | 1328K |
| 代理商： | ADE7763ARSRL |
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ADE7763
Rev. A | Page 37 of 56
WRITE WGAIN VALUE TO THE WGAIN
REGISTER: ADDR. 0x12
CALCULATE CFDEN VALUE FOR DESIGN
WRITE CFDEN VALUE TO CFDEN REGISTER
ADDR. 0x15 = CFDEN
SET HALF LINE CYCLES FOR ACCUMULATION
IN LINECYC REGISTER ADDR. 0x1C
SET I
TEST
= I
b
, V
TEST
= V
NOM
, PF = 1
CALCULATE WGAIN. SEE EQUATION 43.
SET MODE FOR LINE CYCLE
ACCUMULATION ADDR. 0x09 = 0x0080
ENABLE LINE CYCLE ACCUMULATION
INTERRUPT ADDR. 0x0A = 0x04
READ LINE ACCUMULATION ENERGY
ADDR. 0x04
RESET THE INTERRUPT STATUS
READ REGISTER ADDR. 0x0C
INTERRUPT
NO
NO
YES
YES
0
RESET THE INTERRUPT STATUS
READ REGISTER ADDR. 0x0C
INTERRUPT
Figure 72. Calibrating Watt Gain Using an Accurate Source
Equation 43 describes the relationship between the expected
LAENERGY value and the LAENERGY measured in the test
condition:
WGAIN
=
INT
×
12
)
(
)
(
2
1
nominal
IB
expected
IB
LAENERGY
LAENERGY
(43)
The nominal LAENERGY reading, LAENERGY
IB
(
nominal
)
, is the
LAENERGY reading with the test current applied. The expected
LAENERGY reading is calculated from the following equation:
LAENERGY
IB
(
expected
)
=
CF
expected
IB
(
INT
×
+
+
×
WDIV
CFDEN
CFNUM
Time
on
Accumulati
1
1
(s)
)
(44)
where
CF
IB
(
expected
)
(Hz) is calculated from Equation 30,
accumulation time is calculated from Equation 33, and the line
period is determined from the period register according to
Equation 34.
For this example:
Meter Constant:
Test Current:
Line Voltage:
Line Frequency:
Half Line Cycles:
CF Numerator:
CF Denominator:
Energy Reading at Base Current:
LAENERGY
IB
(
nominal
)
= 17174
Period Register Reading:
PERIOD
= 8959
Clock Frequency:
CLKIN
= 3.579545 MHz
MeterConstant
(imp/Wh) = 3.2
I
b
= 10 A
V
nominal
= 220 V
f
l
= 50 Hz
LINECYC
IB
= 2000
CFNUM
= 0
CFDEN
= 489
CF
expected
is calculated to be 1.9556 Hz according to Equation 30.
LAENERGY
expected
is calculated to be 19186 using Equation 44.
CF
IB
(
expected
)
(Hz) =
imp/Wh
200
.
)
cos(
s/h
3600
A
10
V
220
×
×
×
= 1.9556 Hz
LAENERGY
IB
(
expected
)
=
INT
CF
expected
IB
(
×
+
+
×
×
×
WDIV
CFDEN
CFNUM
CLKIN
PERIOD
LINECYC
IB
1
1
/
8
2
/
)
LAENERGY
IB
(
expected
)
=
INT
1
1
489
1
)
10
579545
.
/(
8
8959
2
/
2000
9556
.
6
+
×
×
×
×
=
19186
)
19186
(
=
INT
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADE7763ARSZ | 功能描述:IC ENERGY METERING 1PHASE 20SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:* |
| ADE7763ARSZ | 制造商:Analog Devices 功能描述:IC, SINGLE PHASE ENERGY METER, SSOP-20 |
| ADE7763ARSZRL | 功能描述:IC ENERGY METERING 1PHASE 20SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:* |
| ADE7763ARSZRL | 制造商:Analog Devices 功能描述:IC, SINGLE PHASE ENERGY METER, SSOP-20 |
| ADE7768 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Energy Metering IC with Integrated Oscillator and Positive Power Accumulation |
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