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2023年4月20日发(作者：音乐类型)

IL19006
THREE PHASE POWER/ENERGY METERING IC WITH
INSTANTANEOUS PULSE OUTPUT
FEATURES

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• Current transformers for • Output frequency represents
sensing the absolute sum of energy on
• Excellent long term stability
• Easily adaptable to different
signal levels
• Precision voltage reference on-
chip
• Pin selectable pulse rates
• Support tamper detection
all three phases
• Performs one, two or three
phase power and energy
measurement
• Meets the IEC 521/1036
Specification requirements for
Class 1 AC Watt hour meters
• Operates over a wide
temperature range

FUNCTIONAL DESCRIPTION:

The IL19006 Three Phase Power/Energy metering integrated circuit generates a pulse
rate output, the frequency of which is proportional to the absolute power consumption. The
IL19006 performs the calculations of active power.
The method of calculation takes the power factor into account.
Energy consumption is determined by the power measurement being integrated over time.
The output of this universal three phase power/energy metering integrated circuit, is ideally
suited for applications such as residential and industrial energy metering and control.

The IL19006 Three Phase Power/Energy metering integrated circuit is a CMOS mixed
signal Analog/Digital integrated circuit, which performs three phase power/energy
calculations over a range of 1000:1, to an overall accuracy of better than Class 1.
The integrated circuit includes all the required functions for 3-phase power and energy
measurement such as oversampling A/D converters for the voltage and current sense
inputs, power calculation and energy integration. Internal offsets are eliminated through
the use of cancellation procedures.
The IL19006 generates pulses, the frequency of which is proportional to the power
consumption. Two frequency outputs (FOUT1 and FOUT2) are available. The pulse rate
follows the instantaneous power measured.

Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61,
277 69 16
E-mail: office@
URL:

ILA19006
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Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-m子衿是什么意思 ail: office@
URL:

ILA19006
ABSOLUTE MAXIMUM RATINGS
*
Parameter Symbol Min Max Unit
Supply Voltage V -V -0.3 6.0 V
DDSS
Current on any PinI-150+150mA
PIN
Storage Temperature T-40+125C
STG
Operating Temperature T -40 +85 C
O
Current at any pin I -100 100 mA
p
* Stresses above those listed under \"Absolute Maximum Ratings\" may cause permanent
damage to the device. This is a stress rating only. Functional operation of the device at
these or any other conditions above those indicated in the operation sections of this
specification, is not implied. Exposure to Absolute Maximum Ratings for extended periods
may affect device reliability.

ELECTRICAL CHARACTERISTICS
(V=2.5V, V=-2.5V, over the temperature range -10C to +70C, unless otherwise specified.)
DDSS
ParameterSymbolMinTypMaxfUniCondition
0
Operating Temperature T -25 +85 C
O
Ranges
Supply Voltage V-V4.5 5.5 V
DDSS
Supply Current I 15mA
Nonlinearity of Power -0.3 +0.3% 1%-100% of rated
Calculation power
Current Sensor Inputs (Differential)
Input Current Range I -25 +25 Peak value
VoltageSensorInputs(Asymmetric)
Input Current RangeI -25+25Peakvalue
Pins FOUT1, FOUT2,
DIR
Output Low Voltage
Output High Voltage
Pulse Rate: FOUT1 fp 10 1160 Hz Specified linearity
DD
II
A
IV
A

V+V I=5 mA V
SSOLOL
1
V V-1V I=-2 mA
OHDDOH
3000HzMin and max

limits
FOUT2 User selectable
Oscillator Recommended crystal:
TV colour burst crystal, f=3.5795 MHz
Pin VREF
With R = 24 kΩ
Ref. Current -I 45 50 55
R
A
connected to V
SS
1.1 1.3
V
Referred to V
SS
Ref. Voltage V
R

Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006
PIN DESCRIPTION
Pin Designation Description
16 GND Ground
6 VDD Positive Supply Voltage
14 VSS Negative Supply Voltage
17 IVN1 Analog Input for Voltage: Phase 1
20 IVN2 Analog Input for Voltage: Phase 2
3 IVN3 Analog Input for Voltage: Phase 3
19 IIN1 Inputs for current sensor-: Phase 1
18 IIP1
2 IIN2 Inputs for current sensor : Phase 2
1 IIP2
5 IIN3 . Inputs for current sensor: Phase 3
4 IIP3
10 OSC1 Connections for crystal or ceramic resonator
11 OSC2 (OSC1=Input; OSC2=Output)
7 FOUT1 Pulse rate outputs
8 FOUT2 .
9 DIR Direction indicator
12 PGM0 FOUT2 Frequency select pins
13 PGM1
15 VREF Connection for current setting resistor

Note: arrangement of pins according to analog SA9605A (Sames)

FUNCTIONAL DESCRIPTION
The IL19006 is a CMOS mixed signal Analog/Digital integrated circuit, which
performs three phase power/energy calculations over a range of 1000:1, to an overall
accuracy of better than Class 1.
The IL19006 in both DIP-20 and SOIC-20 package options is functionally similar to the
SA9105E and SA9105F with the advantage of no external loop capacitors.
The integrated circuit includes all the required functions for 3-phase power and energy
measurement such as oversampling A/D converters for the voltage and current sense
inputs, power calculation and energy integration. Internal offsets are eliminated through the
use of cancellation procedures.
The IL19006 generates pulses, the frequency of which is proportional to the power
consumption. Two frequency outputs (FOUT1 and FOUT2) are available. The pulse rate
follows the instantaneous power measured.

1. Power Calculation
In the Application Circuit (Figure 1), the mains voltages from Line 1, Line 2 and Line
3, are converted to currents and applied to the voltage sense inputs IVN1, IVN2 and
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006
IVN3.
The current levels on the voltage sense inputs are derived from the mains voltage
(3 x 230 VAC) being divided down through voltage dividers to 14V. The resulting
input currents into the A/D converters are 14A through the resistors R, R and
1516
R.
17
For the current sense inputs the voltage drop across the current transformers
terminating resistors are converted to currents of 16A for rated conditions, by
means of resistors R, R (Phase 1); R, R (Phase 2); and R, R (Phase 3).
8910111213
The signals providing the current information are applied to the current sensor inputs: IIN1,
IIP1; IIN2, IIP2; and IIN3, IIP3.
In this configuration, with the mains voltage of 3 x 230 V and rated currents of 80A,
the output frequency of the IL19006 energy metering integrated circuit at FOUT1
is 1.16kHz. In this case 1 pulse will correspond to an energy consumption of 3 x 18.4
kW/1160Hz = 47.6 Ws.
The output frequency at FOUT1 and FOUT2 represents the absolute sum of the
energy measured on all three phases, regardless of the direction of energy flow
through the current sensors. This measurement method will assist meter
manufacturers to circumvent meter tampering by reversal of the phases.

2. Analog Input Configuration
The current and voltage sensor inputs are illustrated below.
These inputs are protected against electrostatic discharge through clamping
diodes, in conjunction with the amplifiers input configuration.
The feedback loops from the outputs of the amplifiers A and A generate virtual
IV
shorts on the signal inputs. Exact duplications of the input currents are generated
for the analog processing circuitry.

Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006

3. Electrostatic Discharge (ESD) Protection
The IL19006 integrated circuit\'s inputs/outputs are protected against ESD.
4. Power Consumption
The overall power consumption rating of the IL19006 integrated circuit is less than
75mW with a 5V supply.

5. Pulse Output Signals
Waveforms displaying the DIR and FOUT1 signal information for each of the three phases
are shown below.
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006

8.94 s8.94 s
DIR
71.55 s
PHASE 1,
POSITIVE
FOUT1
DIR
PHASE 1,
NEGATIVE
FOUT1
DIR
PHASE 2,
POSITIVE
FOUT1
DIR
PHASE 2,
NEGATIVE
FOUT1
DIR
PHASE 3,
POSITIVE
FOUT1
DIR
PHASE 3,
NEGATIVE
FOUT1

These waveforms demonstrate how to establish the direction of energy flow as well as the
phase from which the energy is measured. The direction of energy indicated on pin DIR is
HIGH for POSITIVE energy flow and LOW for NEGATIVE energy flow, for the entire LOW
period of the FOUT1 pulse. The phase to which the direction indication on the DIR pin
refers can be ascertained by counting the number of falling edges on the DIR pin prior to
the falling edge of the FOUT1 pulse. The supervision of the DIR pin can be accomplished
with a Controller.
Although FOUT1 has a fixed frequen卜算子咏梅ppt cy output, the table below shows the various
frequencies selectable for rated condition on FOUT2.
User Selectable Output Frequency
PGM1 PGM0 FOUT2
(Hz)
0 0 5.11
0 1 3.83
1 0 2.55
1 1 N/A
The frequencies shown in the above table were chosen to allow a 4-3-2 scaling ratio for
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006
rated conditions. This facility provides ease of interface with applications which use the
same post divider with mechanical counter or unchanged microcontroller software for
different current rated kWh meters.
For example, a meter manufacturer may wish to build meters for 3 system configurations
with rated current loading of 80A , 60A and 40A. The rated line voltage is
RMSRMSRMS
230V.
RMS

FOUT1 Frequency
Consider the case where FOUT1 is the output of the energy counting block《饮酒》 . For each
of the three rated conditions, the input current sensing resistors are chosen to ensure that
16A flows into the current sensing pins.
RMS

Case 1 I = 80A
LRMS
1 pulse on FOUT1 = (80*230*3)/1160 = 47.6Ws
Case 2 I = 60A
LRMS
1 pulse on FOUT1 = (60*230*3)/1160 = 35.7Ws
Case 3 I = 40A
LRMS
1 pulse on FOUT1 = (40*230*3)/1160 = 23.8Ws
The amount of energy represented by one pulse for each of the three cases is different.
In addition to changing the current sensing resistor network, the energy counting block
must also be altered.

FOUT2 Frequency
Now consider the advantage of the user selectable frequency available on FOUT2. Again
the input current sensing resistors must be chosen to ensure that 16A RMS flows into the
current sensing pins.

Case 1 I = 80A, PGM1 = 0 PGM0 = 0
LRMS
1 pulse on FOUT2 = (80*230*3)/5.11 = 10.8kWs
Case 2 I = 60A, PGM1 = 0 PGM0 = 1
LRMS
1 pulse on FOUT2 = (60*230*3)/3.83 = 10.8kWs
PGM1 = 1 PGM0 = 0 Case 3 I = 40A,
LRMS
1 pulse on FOUT2 = (40*230*3)/2.55 = 10.8kWs

The only changes which now have to be implemented to interface the device to different
rated systems are: change the current sense resistors; and select the required PGM0 and
PGM1.
No change to the post divider or micro-controller software is required if the FOUT2 pin is
used as described.

TYPICAL APPLICATION
In the Application Circuit (Figure 1), the components required for a three phase power
metering application are shown.
Terminated current sensors (current transformers) are connected to the current sensor
inputs of the IL19006 through current setting resistors (R..R).
813
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006
The resistor values for standard operation are selected for an input current of 16A into the
IL19006, at the rated line current.
The values of these resistors are calculated as follows:
Phase 1:
R= R= (I /16A) * R/2
89L118
Phase 2:
R = R = (I /16A) * R/2
1011L219
Phase 3:
R = R = (I/16A) * R/2
1213L3 20
Where I = Secondary CT current at rated conditions.
LX
R, R and R = Current transformer termination resistors for the three phases.
181920
R+R, R and R set the current for the phase 1 voltage sense input. R+R, R+P and
11A41522A55
R set the current for phase 2 and R+R, R+P and R set the current for phase 3. The
1633A6617
values should be selected so that the input currents into the voltage sense inputs (virtual
ground) are set to 14A for rated line voltage. Capacitors C1, C2 and C3 are for decoupling
and phase compensation.
R+P defines all on-chip bias and reference currents. With R+P = 24kW, optimum
14141414
conditions are set. R+P may be varied within 10% for calibration purposes. Any
1414
changes to R 14 + P 14 will affect the output quadratically
(i.e: ∆R = +5%, ∆f = +10%).
The formula for calculating the Output Frequency (f) is given below:
(II)(II)(II)
++
IVIVIV
223311
FOSC
fFOUTX
=∗∗∗
11.16

2
3.57953I
∗
R
Where FOUTX = Nominal rated frequency (1160Hz)
FOSC = Oscillator frequency (2MHz ...... 4MHz)
I, I, I = Input currents for current inputs (16A at rated)
I1I2I3
I, I, I = Input currents for voltage inputs (14A at rated)
V1V2V3
I = Reference current (typically 50A)
R

XTAL is a colour burst TV crystal (f = 3.5795 MHz) for the oscillator. The oscillator
frequency is divided down to 1.78975 MHz on-chip, to supply the digital circuitry and the A/D
converters.

Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006
Figure 1: Application Circuit for Three Phase Power/Energy Measurement.

MAINS VOLTAGES

R1

R1A

LINE 1

R2

R2A

LINE 2

R3

R3A

LINE 3

R11
VI2P

VI2N

VI3P

VI3N

R20
R19
C3

R10
1
2
20
R16
R8
R9
R15VI1NR13
C2

R18
VI1P
C1

R4

R5

R17
3
R12
4
5
6
7
8
ILA9605A
DIP-20
IC-1
19
18
17
16
15
14
13
12
11
R14
PGM1
PGM0
P14

0V

0V

P5

5V
R7
FOUT1

FOUT2

DIR

R6

P6

9
10
5V
0V

XTAL
R21
C14
C13C12

0V
0V

Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006
Parts List for Application Circuit: Figure 1
Item Symbol Description Detail
1 IC-1 Integrated IL19006 DIP-20, SOIC-20
2 XTAL Crystal, 3.5795 MHz Colour burst TV
3 R1 Resistor, 200k, 1%, 1/4W
4 R1A Resistor, 180k, 1%, 1/4W
5 R2 Resistor, 200k, 1%, 1/4W
6 R2A Resistor, 200k, 1%, 1/4W
7 R3 Resistor, 200k, 1% , 1/4W
8 R3A Resistor, 180k, 1%, 1/4W
9 R4 Resistor, 24k, 1%, 1/4W
10 R5 Resistor, 22k, 1%, 1/4W
11 R6 Resistor, 22k, 1%, 1/4W
12 矩字组词 R7 Resistor, 820W, 1%, 1/4W
13 R8 Resistor Note 1
14 R9 Resistor Note 1
15 R10 Resistor Note 1
16 R11 Resistor Note 1
17 R12 Resistor Note 1
18 R13 Resistor Note 1
19 R14 Resistor, 22k, 1%, 1/4W
20 R15 Resistor, 1M, 1%, 1/4W
21 R16 Resistor, 1M, 1%, 1/4W
22 R17 Resistor, 1M, 1%, 1/4W
23 R18 Resistor Note 1
24 R19 Resistor Note 1
25 R20 Resistor Note 1
26 R21 Resistor, 820W, 1%, 1/4W
27 P5 Potentiometer, 4.7k Multi turn
28 P6 Potentiometer, 4.7k Multi turn
29 P14 Potentiometer, 4.7k Multi turn
30 C1 Capacitor, electrolytic, 1F, 6V Note 2
31 C2 Capacitor, electrolytic, 1F, 6V Note 2
32 C3 Capacitor, elect陈子昂简介及代表作 rolytic, 1F, 6V Note 2
33 C12 Capacitor, 820nF Note 3
34 C13 Capacitor, 100nF
35 C14 Capacitor, 100nF

Note 1: Resistor (R, R, R, R, R and R) values are dependant upon the selected
8910111213
values of the current transformer termination resistors R, R and R.
181920
Note 2: Capacitor values may be selected to compensate for phase errors caused by
the current transformers.
Note 3: Capacitor (C12) to be positioned as close to Supply Pins (V & V) of IC-1, as
DDSS
possible.

Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL:

ILA19006

Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 212 24 70, 212 24 61,
212 69 16
E-mail: office@
URL: