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BL6533 데이터시트 PDF




BELLING에서 제조한 전자 부품 BL6533은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 BL6533 기능
기능 Single Phase / LCD / Energy Meter IC
제조업체 BELLING
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BL6533 데이터시트, 핀배열, 회로
BL6533
Single Phase, LCD, Energy Meter IC
FEATURES
1 High accuracy, less than 0.1% error over a
dynamic range of 500 : 1
2 Exactly measure the real power in the positive
orientation and negative orientation, calculate
the energy in the same orientation
3 18×4 bit RAM for display data storage
4 Single 5V supply
The BL6533 is a low cost, high accuracy, high
stability, simple peripheral circuit electrical energy
meter IC. The meter based on the BL6533 is intended
for using in single-phase, two-wire distribution
systems.
The BL6533 adopts the oversample technology
and digital signal processing technology. It can
exactly measure the real power in the positive
orientation and negative orientation and calculate the
energy in the same orientation.
BL6533 thinks over the stability of reading
error in the process of calibration.. An internal no-load
threshold ensures that the BL6533 does not exhibit
any creep when there is no load.
BL6533 System
http://www.belling.com.cn
-1-
Total 10 Pages
9/9/2009




BL6533 pdf, 반도체, 판매, 대치품
42
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46,46
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56,57,58
59
60
61,62,63,64
Seg2
Seg1
Seg0
NC
VDD
OSC2
OSC1
VPP
A1
SCL
SDA
CF
A2
NC
A3
A4
NC
BL6533 Single Phase Energy Meter IC with LCD Driver
Segment terminal driving output
Segment terminal driving output
Segment terminal driving output
Unused
Provides the supply voltage for the circuitry. It should be maintained at 5 V
±5% for specified operation.
Oscillator crystal on
Oscillator crystal in
Reset to the device
Reset computation setting: High Voltage: clear
Low Voltage: keep
IIC Serial Clock Output
IIC Serial Data
Calibration Frequency. The CF logic output gives instantaneous real power
information.
Decimal digits setting: High Voltage: Twain decimal digits
Low Voltage: one decimal digits
Unused
A3
0
0
1
1
Unused
A4
0
1
0
1
Pulse constant
3200 imp/kwh
800 imp/kwh
1600 imp/kwh
6400 imp/kwh
电性能参数
极限参数
Parameter
Analog &Digital
power Voltage
VDD
Analog Input
Voltage
Operating
Temperature
Range
Storage
Temperature
Range
Power
Dissipation
http://www.belling.com.cn
Symbol
Value
VDD VSS-0.3 to VSS+6.5
VI VSS-0.3 to VDD+0.3
TA -40 to +75
TS -50 to +125
-4-
Total 10 Pages
400
Unit
V
V
mW
9/9/2009

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BL6533 전자부품, 판매, 대치품
BL6533 Single Phase Energy Meter IC with LCD Driver
The average active power is related to the cosine value of the phase difference between the voltage
signal and the current signal. This cosine value is called as Power Factor (PF) of the two channel signals.
Figure1. The Effect of phase
When the signal phase difference between the voltage and current channels is more than 90°, the
average active power is negative. It indicates the user is using the electrical energy reversely.
Operation Process
In BL6533, the two ADCs digitize the voltage signals from the current and voltage transducers. These
ADCs are 16-bit second order sigma-delta with an oversampling rate of 900 kHz. This analog input
structure greatly simplifies transducer interfacing by providing a wide dynamic range for direct
connection to the transducer and also simplifying the antialiasing filter design. A programmable gain
stage in the current channel further facilitates easy transducer interfacing. A high pass filter in the
current channel removes any dc component from the current signal. This eliminates any inaccuracies in
the real power calculation due to offsets in the voltage or current signals.
The real power calculation is derived from the instantaneous power signal. The instantaneous power
signal is generated by a direct multiplication of the current and voltage signals. In order to extract the
real power component (i.e., the dc component), the instantaneous power signal is low-pass filtered.
Figure 2 illustrates the instantaneous real power signal and shows how the real power information can be
extracted by low-pass filtering the instantaneous power signal. This scheme correctly calculates real
power for nonsinusoidal current and voltage waveforms at all power factors. All signal processing is
carried out in the digital domain for superior stability over temperature and time.
http://www.belling.com.cn
-7-
Total 10 Pages
9/9/2009

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부품번호상세설명 및 기능제조사
BL6533

Single Phase / LCD / Energy Meter IC

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