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PDF SA9602FPA Data sheet ( Hoja de datos )
| Número de pieza | SA9602FPA | |
| Descripción | SINGLE PHASE BIDIRECTIONAL POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT | |
| Fabricantes | Sames | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SA9602FPA (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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sames
PRELIMINARY
SA9602F/SA9602J
SINGLE PHASE BIDIRECTIONAL POWER/ENERGY
METERING IC WITH INSTANTANEOUS PULSE OUTPUT
FEATURES
s Performs bidirectional power and s Total power consumption rating below
energy measurement
25mW
s Meets the IEC 521/1036 Specification s Adaptable to different types of current
requirements for Class 1 AC Watt hour
sensors
meters
s Operates over a wide temperature range
s Protected against ESD
s Precision voltage reference on-chip
DESCRIPTION
The SAMES SA9602F is an enhancement
of the SA9102F, as no external capacitors
are required for the A/D converters. The
SA9602J is an enhancement of the
SA9102H.
The SAMES SA9602F and SA9602J Single
Phase bidirectional Power/Energy metering
integrated circuits generate a pulse rate
output, the frequency of which is proportional
to the power consumption. Both devices
perform the active power calculation.
The method of calculation takes the power
factor into account.
Energy consumption is determined by the
power measurement being integrated over
time.
These innovative universal single phase
power/energy metering integrated circuits
are ideally suited for energy calculations in
applications such as residential municipal
metering and factory energy metering and
control.
The SA9602F and SA9602J integrated
circuits are available in both 14 and 20 pin
dual-in-line plastic (DIP-14/DIP-20), as well
as 20 pin small outline (SOIC-20) package
types.
Note that the 20 pin SA9602J is a direct
replacement for the SA9102H. The
SA9602H has a higher output pulse rate
than the SA9102H.
PIN CONNECTIONS
IIN 1
IIP 2
VREF 3
TEST 4
VDD 5
OSC2 6
OSC1 7
D R -0 12 7 6
1 4 GND
1 3 IVP
1 2 TEST2
1 1 FMO
1 0 V SS
9 DIR
8 FOUT1
Package: DIP-14
7132
PDS039-SA9602F-00A
REV.A
1/14
23-07-97
1 page  
SA9602F/SA9602J
FUNCTIONAL DESCRIPTION
The SA9602F and SA9602J are CMOS mixed signal Analog/Digital integrated circuits,
which perform power/energy calculations across a power range of 1000:1, to an overall
accurancy of better than Class 1.
The integrated circuits include all the required functions for 1-phase power and energy
measurement such as two 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. These devices generate pulses, the frequency of
which is proportional to the power consumption. The pulse rate follows the instantaneous
power consumption measured. Direction information is also provided.
A voltage zero crossover signal, relevant to the positive going half cycle, is available on
pin FMO. This signal can be used to sychronise circuit breaker switching.
1. Power Calculation
In the Application Circuit (Figure 1), the voltage drop across the shunt will be between
0 and 16mVRMS (0 to 80A through a shunt resistor of 200µΩ). This voltage is
converted to a current of between 0 and 16µARMS, by means of resistors R1 and R2.
The current sense input saturates at an input current of ±25µA peak.
For the voltage sensor input, the mains voltage (230VAC) is divided down through
a divider to 14VRMS . The current into the A/D converter input is set at 14µARMS at
nominal mains voltage, via resistor R4 (1MΩ).
In this configuration, with a mains voltage of 230V and a current of 80A, the output
frequency of the SA9602F and SA9602J power meter chip at FOUT is 64Hz. In this
case 1 pulse will correspond to an energy consumption of 18.4kW/64Hz = 287.5Ws.
2. Analog Input Configuration
The input circuitry of the current and voltage sensor inputs are illustrated below.
These inputs are protected against electrostatic discharge through clamping diodes.
The feedback loops from the outputs of the amplifiers AI and AV generate virtual
shorts on the signal inputs. Exact duplications of the input currents are generated
for the analog signal processing circuitry.
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5/14
5 Page 
SA9602F/SA9602J
Figure 2: Application Circuit using a Current Transformer for Current Sensing.
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11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet SA9602FPA.PDF ] | |
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